/*
- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
*
* @(#)kpi_vfs.c
*/
+/*
+ * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
+ * support for mandatory and extensible security protections. This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */
/*
* External virtual filesystem routines
*/
-#undef DIAGNOSTIC
-#define DIAGNOSTIC 1
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/vm.h>
#include <sys/sysctl.h>
#include <sys/filedesc.h>
+#include <sys/event.h>
#include <sys/fsevents.h>
#include <sys/user.h>
#include <sys/lockf.h>
#include <kern/assert.h>
#include <kern/kalloc.h>
+#include <kern/task.h>
#include <libkern/OSByteOrder.h>
#include <mach/mach_types.h>
#include <mach/memory_object_types.h>
+#include <mach/task.h>
+
+#if CONFIG_MACF
+#include <security/mac_framework.h>
+#endif
#define ESUCCESS 0
#undef mount_t
#define COMPAT_ONLY
+#ifndef __LP64__
#define THREAD_SAFE_FS(VP) \
((VP)->v_unsafefs ? 0 : 1)
+#endif /* __LP64__ */
#define NATIVE_XATTR(VP) \
- ((VP)->v_mount ? (VP)->v_mount->mnt_vtable->vfc_vfsflags & VFC_VFSNATIVEXATTR : 0)
-
-static void xattrfile_remove(vnode_t dvp, const char * basename, vfs_context_t context,
- int thread_safe, int force);
-static void xattrfile_setattr(vnode_t dvp, const char * basename, struct vnode_attr * vap,
- vfs_context_t context, int thread_safe);
+ ((VP)->v_mount ? (VP)->v_mount->mnt_kern_flag & MNTK_EXTENDED_ATTRS : 0)
+static void xattrfile_remove(vnode_t dvp, const char *basename,
+ vfs_context_t ctx, int force);
+static void xattrfile_setattr(vnode_t dvp, const char * basename,
+ struct vnode_attr * vap, vfs_context_t ctx);
-static void
+/*
+ * vnode_setneedinactive
+ *
+ * Description: Indicate that when the last iocount on this vnode goes away,
+ * and the usecount is also zero, we should inform the filesystem
+ * via VNOP_INACTIVE.
+ *
+ * Parameters: vnode_t vnode to mark
+ *
+ * Returns: Nothing
+ *
+ * Notes: Notably used when we're deleting a file--we need not have a
+ * usecount, so VNOP_INACTIVE may not get called by anyone. We
+ * want it called when we drop our iocount.
+ */
+void
vnode_setneedinactive(vnode_t vp)
{
cache_purge(vp);
- vnode_lock(vp);
+ vnode_lock_spin(vp);
vp->v_lflag |= VL_NEEDINACTIVE;
vnode_unlock(vp);
}
+#ifndef __LP64__
int
lock_fsnode(vnode_t vp, int *funnel_state)
{
if (funnel_state)
(void) thread_funnel_set(kernel_flock, *funnel_state);
}
+#endif /* __LP64__ */
/* ====================================================================== */
/*
- * prototypes for exported VFS operations
+ * implementations of exported VFS operations
*/
int
-VFS_MOUNT(struct mount * mp, vnode_t devvp, user_addr_t data, vfs_context_t context)
+VFS_MOUNT(mount_t mp, vnode_t devvp, user_addr_t data, vfs_context_t ctx)
{
int error;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
if ((mp == dead_mountp) || (mp->mnt_op->vfs_mount == 0))
return(ENOTSUP);
- thread_safe = mp->mnt_vtable->vfc_threadsafe;
-
-
+#ifndef __LP64__
+ thread_safe = (mp->mnt_vtable->vfc_vfsflags & VFC_VFSTHREADSAFE);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
+#endif /* __LP64__ */
- if (vfs_context_is64bit(context)) {
+ if (vfs_context_is64bit(ctx)) {
if (vfs_64bitready(mp)) {
- error = (*mp->mnt_op->vfs_mount)(mp, devvp, data, context);
+ error = (*mp->mnt_op->vfs_mount)(mp, devvp, data, ctx);
}
else {
error = ENOTSUP;
}
}
else {
- error = (*mp->mnt_op->vfs_mount)(mp, devvp, data, context);
+ error = (*mp->mnt_op->vfs_mount)(mp, devvp, data, ctx);
}
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (error);
}
int
-VFS_START(struct mount * mp, int flags, vfs_context_t context)
+VFS_START(mount_t mp, int flags, vfs_context_t ctx)
{
int error;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
if ((mp == dead_mountp) || (mp->mnt_op->vfs_start == 0))
return(ENOTSUP);
- thread_safe = mp->mnt_vtable->vfc_threadsafe;
+#ifndef __LP64__
+ thread_safe = (mp->mnt_vtable->vfc_vfsflags & VFC_VFSTHREADSAFE);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
- error = (*mp->mnt_op->vfs_start)(mp, flags, context);
+#endif /* __LP64__ */
+
+ error = (*mp->mnt_op->vfs_start)(mp, flags, ctx);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (error);
}
int
-VFS_UNMOUNT(struct mount *mp, int flags, vfs_context_t context)
+VFS_UNMOUNT(mount_t mp, int flags, vfs_context_t ctx)
{
int error;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
if ((mp == dead_mountp) || (mp->mnt_op->vfs_unmount == 0))
return(ENOTSUP);
- thread_safe = mp->mnt_vtable->vfc_threadsafe;
+#ifndef __LP64__
+ thread_safe = (mp->mnt_vtable->vfc_vfsflags & VFC_VFSTHREADSAFE);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
- error = (*mp->mnt_op->vfs_unmount)(mp, flags, context);
+#endif /* __LP64__ */
+
+ error = (*mp->mnt_op->vfs_unmount)(mp, flags, ctx);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (error);
}
+/*
+ * Returns: 0 Success
+ * ENOTSUP Not supported
+ * <vfs_root>:ENOENT
+ * <vfs_root>:???
+ *
+ * Note: The return codes from the underlying VFS's root routine can't
+ * be fully enumerated here, since third party VFS authors may not
+ * limit their error returns to the ones documented here, even
+ * though this may result in some programs functioning incorrectly.
+ *
+ * The return codes documented above are those which may currently
+ * be returned by HFS from hfs_vfs_root, which is a simple wrapper
+ * for a call to hfs_vget on the volume mount poit, not including
+ * additional error codes which may be propagated from underlying
+ * routines called by hfs_vget.
+ */
int
-VFS_ROOT(struct mount * mp, struct vnode ** vpp, vfs_context_t context)
+VFS_ROOT(mount_t mp, struct vnode ** vpp, vfs_context_t ctx)
{
int error;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct vfs_context acontext;
+#endif /* __LP64__ */
if ((mp == dead_mountp) || (mp->mnt_op->vfs_root == 0))
return(ENOTSUP);
- if (context == NULL) {
- acontext.vc_proc = current_proc();
- acontext.vc_ucred = kauth_cred_get();
- context = &acontext;
+ if (ctx == NULL) {
+ ctx = vfs_context_current();
}
- thread_safe = mp->mnt_vtable->vfc_threadsafe;
+#ifndef __LP64__
+ thread_safe = (mp->mnt_vtable->vfc_vfsflags & VFC_VFSTHREADSAFE);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
- error = (*mp->mnt_op->vfs_root)(mp, vpp, context);
+#endif /* __LP64__ */
+
+ error = (*mp->mnt_op->vfs_root)(mp, vpp, ctx);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (error);
}
int
-VFS_QUOTACTL(struct mount *mp, int cmd, uid_t uid, caddr_t datap, vfs_context_t context)
+VFS_QUOTACTL(mount_t mp, int cmd, uid_t uid, caddr_t datap, vfs_context_t ctx)
{
int error;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
if ((mp == dead_mountp) || (mp->mnt_op->vfs_quotactl == 0))
return(ENOTSUP);
- thread_safe = mp->mnt_vtable->vfc_threadsafe;
-
+#ifndef __LP64__
+ thread_safe = (mp->mnt_vtable->vfc_vfsflags & VFC_VFSTHREADSAFE);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
- error = (*mp->mnt_op->vfs_quotactl)(mp, cmd, uid, datap, context);
+#endif /* __LP64__ */
+
+ error = (*mp->mnt_op->vfs_quotactl)(mp, cmd, uid, datap, ctx);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (error);
}
int
-VFS_GETATTR(struct mount *mp, struct vfs_attr *vfa, vfs_context_t context)
+VFS_GETATTR(mount_t mp, struct vfs_attr *vfa, vfs_context_t ctx)
{
int error;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct vfs_context acontext;
+#endif /* __LP64__ */
if ((mp == dead_mountp) || (mp->mnt_op->vfs_getattr == 0))
return(ENOTSUP);
- if (context == NULL) {
- acontext.vc_proc = current_proc();
- acontext.vc_ucred = kauth_cred_get();
- context = &acontext;
+ if (ctx == NULL) {
+ ctx = vfs_context_current();
}
- thread_safe = mp->mnt_vtable->vfc_threadsafe;
-
+
+#ifndef __LP64__
+ thread_safe = (mp->mnt_vtable->vfc_vfsflags & VFC_VFSTHREADSAFE);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
- error = (*mp->mnt_op->vfs_getattr)(mp, vfa, context);
+#endif /* __LP64__ */
+
+ error = (*mp->mnt_op->vfs_getattr)(mp, vfa, ctx);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return(error);
}
int
-VFS_SETATTR(struct mount *mp, struct vfs_attr *vfa, vfs_context_t context)
+VFS_SETATTR(mount_t mp, struct vfs_attr *vfa, vfs_context_t ctx)
{
int error;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct vfs_context acontext;
+#endif /* __LP64__ */
if ((mp == dead_mountp) || (mp->mnt_op->vfs_setattr == 0))
return(ENOTSUP);
- if (context == NULL) {
- acontext.vc_proc = current_proc();
- acontext.vc_ucred = kauth_cred_get();
- context = &acontext;
+ if (ctx == NULL) {
+ ctx = vfs_context_current();
}
- thread_safe = mp->mnt_vtable->vfc_threadsafe;
-
+
+#ifndef __LP64__
+ thread_safe = (mp->mnt_vtable->vfc_vfsflags & VFC_VFSTHREADSAFE);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
- error = (*mp->mnt_op->vfs_setattr)(mp, vfa, context);
+#endif /* __LP64__ */
+
+ error = (*mp->mnt_op->vfs_setattr)(mp, vfa, ctx);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return(error);
}
int
-VFS_SYNC(struct mount *mp, int flags, vfs_context_t context)
+VFS_SYNC(mount_t mp, int flags, vfs_context_t ctx)
{
int error;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct vfs_context acontext;
+#endif /* __LP64__ */
if ((mp == dead_mountp) || (mp->mnt_op->vfs_sync == 0))
return(ENOTSUP);
- if (context == NULL) {
- acontext.vc_proc = current_proc();
- acontext.vc_ucred = kauth_cred_get();
- context = &acontext;
+ if (ctx == NULL) {
+ ctx = vfs_context_current();
}
- thread_safe = mp->mnt_vtable->vfc_threadsafe;
+#ifndef __LP64__
+ thread_safe = (mp->mnt_vtable->vfc_vfsflags & VFC_VFSTHREADSAFE);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
- error = (*mp->mnt_op->vfs_sync)(mp, flags, context);
+#endif /* __LP64__ */
+
+ error = (*mp->mnt_op->vfs_sync)(mp, flags, ctx);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return(error);
}
int
-VFS_VGET(struct mount * mp, ino64_t ino, struct vnode **vpp, vfs_context_t context)
+VFS_VGET(mount_t mp, ino64_t ino, struct vnode **vpp, vfs_context_t ctx)
{
int error;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct vfs_context acontext;
+#endif /* __LP64__ */
if ((mp == dead_mountp) || (mp->mnt_op->vfs_vget == 0))
return(ENOTSUP);
- if (context == NULL) {
- acontext.vc_proc = current_proc();
- acontext.vc_ucred = kauth_cred_get();
- context = &acontext;
+ if (ctx == NULL) {
+ ctx = vfs_context_current();
}
- thread_safe = mp->mnt_vtable->vfc_threadsafe;
+#ifndef __LP64__
+ thread_safe = (mp->mnt_vtable->vfc_vfsflags & VFC_VFSTHREADSAFE);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
- error = (*mp->mnt_op->vfs_vget)(mp, ino, vpp, context);
+#endif /* __LP64__ */
+
+ error = (*mp->mnt_op->vfs_vget)(mp, ino, vpp, ctx);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return(error);
}
int
-VFS_FHTOVP(struct mount * mp, int fhlen, unsigned char * fhp, vnode_t * vpp, vfs_context_t context)
+VFS_FHTOVP(mount_t mp, int fhlen, unsigned char * fhp, vnode_t * vpp, vfs_context_t ctx)
{
int error;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct vfs_context acontext;
+#endif /* __LP64__ */
if ((mp == dead_mountp) || (mp->mnt_op->vfs_fhtovp == 0))
return(ENOTSUP);
- if (context == NULL) {
- acontext.vc_proc = current_proc();
- acontext.vc_ucred = kauth_cred_get();
- context = &acontext;
+ if (ctx == NULL) {
+ ctx = vfs_context_current();
}
- thread_safe = mp->mnt_vtable->vfc_threadsafe;
+#ifndef __LP64__
+ thread_safe = (mp->mnt_vtable->vfc_vfsflags & VFC_VFSTHREADSAFE);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
- error = (*mp->mnt_op->vfs_fhtovp)(mp, fhlen, fhp, vpp, context);
+#endif /* __LP64__ */
+
+ error = (*mp->mnt_op->vfs_fhtovp)(mp, fhlen, fhp, vpp, ctx);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return(error);
}
int
-VFS_VPTOFH(struct vnode * vp, int *fhlenp, unsigned char * fhp, vfs_context_t context)
+VFS_VPTOFH(struct vnode * vp, int *fhlenp, unsigned char * fhp, vfs_context_t ctx)
{
int error;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct vfs_context acontext;
+#endif /* __LP64__ */
if ((vp->v_mount == dead_mountp) || (vp->v_mount->mnt_op->vfs_vptofh == 0))
return(ENOTSUP);
- if (context == NULL) {
- acontext.vc_proc = current_proc();
- acontext.vc_ucred = kauth_cred_get();
- context = &acontext;
+ if (ctx == NULL) {
+ ctx = vfs_context_current();
}
- thread_safe = THREAD_SAFE_FS(vp);
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
- error = (*vp->v_mount->mnt_op->vfs_vptofh)(vp, fhlenp, fhp, context);
+#endif /* __LP64__ */
+
+ error = (*vp->v_mount->mnt_op->vfs_vptofh)(vp, fhlenp, fhp, ctx);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return(error);
}
return(mp->mnt_vtable->vfc_typenum);
}
+/* Safe to cast to "struct label*"; returns "void*" to limit dependence of mount.h on security headers. */
+void*
+vfs_mntlabel(mount_t mp)
+{
+ return (void*)mp->mnt_mntlabel;
+}
/* returns command modifier flags of mount_t ie. MNT_CMDFLAGS */
uint64_t
{
uint32_t lflags = (uint32_t)(flags & (MNT_CMDFLAGS | MNT_VISFLAGMASK));
+ mount_lock(mp);
mp->mnt_flag |= lflags;
+ mount_unlock(mp);
}
/* clear any of the command modifier flags(MNT_CMDFLAGS) in mount_t */
{
uint32_t lflags = (uint32_t)(flags & (MNT_CMDFLAGS | MNT_VISFLAGMASK));
+ mount_lock(mp);
mp->mnt_flag &= ~lflags;
+ mount_unlock(mp);
}
/* Is the mount_t ronly and upgrade read/write requested? */
return ((mp->mnt_flag & MNT_UPDATE) && (mp->mnt_flag & MNT_RELOAD));
}
-/* Is mount_t marked for reload (ie MNT_FORCE) */
+/* Is mount_t marked for forced unmount (ie MNT_FORCE or MNTK_FRCUNMOUNT) */
int
vfs_isforce(mount_t mp)
{
- if ((mp->mnt_flag & MNT_FORCE) || (mp->mnt_kern_flag & MNTK_FRCUNMOUNT))
+ if ((mp->mnt_lflag & MNT_LFORCE) || (mp->mnt_kern_flag & MNTK_FRCUNMOUNT))
return(1);
else
return(0);
}
+int
+vfs_isunmount(mount_t mp)
+{
+ if ((mp->mnt_lflag & MNT_LUNMOUNT)) {
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
int
vfs_64bitready(mount_t mp)
{
- if ((mp->mnt_vtable->vfc_64bitready))
+ if ((mp->mnt_vtable->vfc_vfsflags & VFC_VFS64BITREADY))
return(1);
else
return(0);
}
+
+int
+vfs_authcache_ttl(mount_t mp)
+{
+ if ( (mp->mnt_kern_flag & (MNTK_AUTH_OPAQUE | MNTK_AUTH_CACHE_TTL)) )
+ return (mp->mnt_authcache_ttl);
+ else
+ return (CACHED_RIGHT_INFINITE_TTL);
+}
+
+void
+vfs_setauthcache_ttl(mount_t mp, int ttl)
+{
+ mount_lock(mp);
+ mp->mnt_kern_flag |= MNTK_AUTH_CACHE_TTL;
+ mp->mnt_authcache_ttl = ttl;
+ mount_unlock(mp);
+}
+
+void
+vfs_clearauthcache_ttl(mount_t mp)
+{
+ mount_lock(mp);
+ mp->mnt_kern_flag &= ~MNTK_AUTH_CACHE_TTL;
+ /*
+ * back to the default TTL value in case
+ * MNTK_AUTH_OPAQUE is set on this mount
+ */
+ mp->mnt_authcache_ttl = CACHED_LOOKUP_RIGHT_TTL;
+ mount_unlock(mp);
+}
+
+void
+vfs_markdependency(mount_t mp)
+{
+ proc_t p = current_proc();
+ mount_lock(mp);
+ mp->mnt_dependent_process = p;
+ mp->mnt_dependent_pid = proc_pid(p);
+ mount_unlock(mp);
+}
+
+
int
vfs_authopaque(mount_t mp)
{
vfs_getattr(mount_t mp, struct vfs_attr *vfa, vfs_context_t ctx)
{
int error;
- char *vname;
if ((error = VFS_GETATTR(mp, vfa, ctx)) != 0)
return(error);
void
vfs_setfsprivate(mount_t mp, void *mntdata)
{
+ mount_lock(mp);
mp->mnt_data = mntdata;
+ mount_unlock(mp);
}
return(mp->mnt_devblocksize);
}
+/*
+ * Returns vnode with an iocount that must be released with vnode_put()
+ */
+vnode_t
+vfs_vnodecovered(mount_t mp)
+{
+ vnode_t vp = mp->mnt_vnodecovered;
+ if ((vp == NULL) || (vnode_getwithref(vp) != 0)) {
+ return NULL;
+ } else {
+ return vp;
+ }
+}
/*
* return the io attributes associated with mount_t
ioattrp->io_maxsegreadsize = MAXPHYS;
ioattrp->io_maxsegwritesize = MAXPHYS;
ioattrp->io_devblocksize = DEV_BSIZE;
+ ioattrp->io_flags = 0;
} else {
ioattrp->io_maxreadcnt = mp->mnt_maxreadcnt;
ioattrp->io_maxwritecnt = mp->mnt_maxwritecnt;
ioattrp->io_maxsegreadsize = mp->mnt_maxsegreadsize;
ioattrp->io_maxsegwritesize = mp->mnt_maxsegwritesize;
ioattrp->io_devblocksize = mp->mnt_devblocksize;
+ ioattrp->io_flags = mp->mnt_ioflags;
}
- ioattrp->io_reserved[0] = 0;
- ioattrp->io_reserved[1] = 0;
- ioattrp->io_reserved[2] = 0;
+ ioattrp->io_reserved[0] = NULL;
+ ioattrp->io_reserved[1] = NULL;
}
mp->mnt_maxsegreadsize = ioattrp->io_maxsegreadsize;
mp->mnt_maxsegwritesize = ioattrp->io_maxsegwritesize;
mp->mnt_devblocksize = ioattrp->io_devblocksize;
+ mp->mnt_ioflags = ioattrp->io_flags;
}
/*
return(EINVAL);
desccount = vfe->vfe_vopcnt;
- if ((desccount <=0) || ((desccount > 5)) || (vfe->vfe_vfsops == (struct vfsops *)NULL)
+ if ((desccount <=0) || ((desccount > 8)) || (vfe->vfe_vfsops == (struct vfsops *)NULL)
|| (vfe->vfe_opvdescs == (struct vnodeopv_desc **)NULL))
return(EINVAL);
+#ifdef __LP64__
+ /* Non-threadsafe filesystems are not supported for K64 */
+ if ((vfe->vfe_flags & (VFS_TBLTHREADSAFE | VFS_TBLFSNODELOCK)) == 0) {
+ return (EINVAL);
+ }
+#endif /* __LP64__ */
MALLOC(newvfstbl, void *, sizeof(struct vfstable), M_TEMP,
M_WAITOK);
newvfstbl->vfc_flags = 0;
newvfstbl->vfc_mountroot = NULL;
newvfstbl->vfc_next = NULL;
- newvfstbl->vfc_threadsafe = 0;
newvfstbl->vfc_vfsflags = 0;
if (vfe->vfe_flags & VFS_TBL64BITREADY)
- newvfstbl->vfc_64bitready= 1;
+ newvfstbl->vfc_vfsflags |= VFC_VFS64BITREADY;
+ if (vfe->vfe_flags & VFS_TBLVNOP_PAGEINV2)
+ newvfstbl->vfc_vfsflags |= VFC_VFSVNOP_PAGEINV2;
+ if (vfe->vfe_flags & VFS_TBLVNOP_PAGEOUTV2)
+ newvfstbl->vfc_vfsflags |= VFC_VFSVNOP_PAGEOUTV2;
+#ifndef __LP64__
if (vfe->vfe_flags & VFS_TBLTHREADSAFE)
- newvfstbl->vfc_threadsafe= 1;
+ newvfstbl->vfc_vfsflags |= VFC_VFSTHREADSAFE;
if (vfe->vfe_flags & VFS_TBLFSNODELOCK)
- newvfstbl->vfc_threadsafe= 1;
+ newvfstbl->vfc_vfsflags |= VFC_VFSTHREADSAFE;
+#endif /* __LP64__ */
if ((vfe->vfe_flags & VFS_TBLLOCALVOL) == VFS_TBLLOCALVOL)
newvfstbl->vfc_flags |= MNT_LOCAL;
- if (vfe->vfe_flags & VFS_TBLLOCALVOL)
+ if ((vfe->vfe_flags & VFS_TBLLOCALVOL) && (vfe->vfe_flags & VFS_TBLGENERICMNTARGS) == 0)
newvfstbl->vfc_vfsflags |= VFC_VFSLOCALARGS;
else
newvfstbl->vfc_vfsflags |= VFC_VFSGENERICARGS;
-
+
+ if (vfe->vfe_flags & VFS_TBLNATIVEXATTR)
+ newvfstbl->vfc_vfsflags |= VFC_VFSNATIVEXATTR;
+ if (vfe->vfe_flags & VFS_TBLUNMOUNT_PREFLIGHT)
+ newvfstbl->vfc_vfsflags |= VFC_VFSPREFLIGHT;
+ if (vfe->vfe_flags & VFS_TBLREADDIR_EXTENDED)
+ newvfstbl->vfc_vfsflags |= VFC_VFSREADDIR_EXTENDED;
+ if (vfe->vfe_flags & VFS_TBLNOMACLABEL)
+ newvfstbl->vfc_vfsflags |= VFC_VFSNOMACLABEL;
/*
* Allocate and init the vectors.
/*
* Sanity check: is this operation listed
* in the list of operations? We check this
- * by seeing if its offest is zero. Since
+ * by seeing if its offset is zero. Since
* the default routine should always be listed
* first, it should be the only one with a zero
* offset. Any other operation with a zero
if (newvfstbl->vfc_typenum <= maxvfsconf )
maxvfsconf = newvfstbl->vfc_typenum + 1;
- numused_vfsslots++;
- if (newvfstbl->vfc_vfsops->vfs_init)
- (*newvfstbl->vfc_vfsops->vfs_init)((struct vfsconf *)handle);
+ if (newvfstbl->vfc_vfsops->vfs_init) {
+ struct vfsconf vfsc;
+ bzero(&vfsc, sizeof(struct vfsconf));
+ vfsc.vfc_reserved1 = 0;
+ bcopy((*handle)->vfc_name, vfsc.vfc_name, sizeof(vfsc.vfc_name));
+ vfsc.vfc_typenum = (*handle)->vfc_typenum;
+ vfsc.vfc_refcount = (*handle)->vfc_refcount;
+ vfsc.vfc_flags = (*handle)->vfc_flags;
+ vfsc.vfc_reserved2 = 0;
+ vfsc.vfc_reserved3 = 0;
+
+ (*newvfstbl->vfc_vfsops->vfs_init)(&vfsc);
+ }
FREE(newvfstbl, M_TEMP);
mount_list_unlock();
return EBUSY;
}
- mount_list_unlock();
/*
* save the old descriptor; the free cannot occur unconditionally,
}
err = vfstable_del(vfstbl);
+ mount_list_unlock();
+
/* free the descriptor if the delete was successful */
if (err == 0 && old_desc) {
FREE(old_desc, M_TEMP);
return(err);
}
+int
+vfs_context_pid(vfs_context_t ctx)
+{
+ return (proc_pid(vfs_context_proc(ctx)));
+}
+
+int
+vfs_context_suser(vfs_context_t ctx)
+{
+ return (suser(ctx->vc_ucred, NULL));
+}
+
/*
- * This returns a reference to mount_t
- * which should be dropped using vfs_mountrele().
- * Not doing so will leak a mountpoint
- * and associated data structures.
+ * Return bit field of signals posted to all threads in the context's process.
+ *
+ * XXX Signals should be tied to threads, not processes, for most uses of this
+ * XXX call.
*/
-errno_t
-vfs_mountref(__unused mount_t mp ) /* gives a reference */
+int
+vfs_context_issignal(vfs_context_t ctx, sigset_t mask)
{
+ proc_t p = vfs_context_proc(ctx);
+ if (p)
+ return(proc_pendingsignals(p, mask));
return(0);
}
-/* This drops the reference on mount_t that was acquired */
-errno_t
-vfs_mountrele(__unused mount_t mp ) /* drops reference */
+int
+vfs_context_is64bit(vfs_context_t ctx)
{
+ proc_t proc = vfs_context_proc(ctx);
+
+ if (proc)
+ return(proc_is64bit(proc));
return(0);
}
-int
-vfs_context_pid(vfs_context_t context)
+
+/*
+ * vfs_context_proc
+ *
+ * Description: Given a vfs_context_t, return the proc_t associated with it.
+ *
+ * Parameters: vfs_context_t The context to use
+ *
+ * Returns: proc_t The process for this context
+ *
+ * Notes: This function will return the current_proc() if any of the
+ * following conditions are true:
+ *
+ * o The supplied context pointer is NULL
+ * o There is no Mach thread associated with the context
+ * o There is no Mach task associated with the Mach thread
+ * o There is no proc_t associated with the Mach task
+ * o The proc_t has no per process open file table
+ * o The proc_t is post-vfork()
+ *
+ * This causes this function to return a value matching as
+ * closely as possible the previous behaviour, while at the
+ * same time avoiding the task lending that results from vfork()
+ */
+proc_t
+vfs_context_proc(vfs_context_t ctx)
{
- return (context->vc_proc->p_pid);
+ proc_t proc = NULL;
+
+ if (ctx != NULL && ctx->vc_thread != NULL)
+ proc = (proc_t)get_bsdthreadtask_info(ctx->vc_thread);
+ if (proc != NULL && (proc->p_fd == NULL || (proc->p_lflag & P_LVFORK)))
+ proc = NULL;
+
+ return(proc == NULL ? current_proc() : proc);
}
-int
-vfs_context_suser(vfs_context_t context)
+/*
+ * vfs_context_get_special_port
+ *
+ * Description: Return the requested special port from the task associated
+ * with the given context.
+ *
+ * Parameters: vfs_context_t The context to use
+ * int Index of special port
+ * ipc_port_t * Pointer to returned port
+ *
+ * Returns: kern_return_t see task_get_special_port()
+ */
+kern_return_t
+vfs_context_get_special_port(vfs_context_t ctx, int which, ipc_port_t *portp)
{
- return (suser(context->vc_ucred, 0));
+ task_t task = NULL;
+
+ if (ctx != NULL && ctx->vc_thread != NULL)
+ task = get_threadtask(ctx->vc_thread);
+
+ return task_get_special_port(task, which, portp);
}
-int
-vfs_context_issignal(vfs_context_t context, sigset_t mask)
+
+/*
+ * vfs_context_set_special_port
+ *
+ * Description: Set the requested special port in the task associated
+ * with the given context.
+ *
+ * Parameters: vfs_context_t The context to use
+ * int Index of special port
+ * ipc_port_t New special port
+ *
+ * Returns: kern_return_t see task_set_special_port()
+ */
+kern_return_t
+vfs_context_set_special_port(vfs_context_t ctx, int which, ipc_port_t port)
{
- if (context->vc_proc)
- return(proc_pendingsignals(context->vc_proc, mask));
- return(0);
+ task_t task = NULL;
+
+ if (ctx != NULL && ctx->vc_thread != NULL)
+ task = get_threadtask(ctx->vc_thread);
+
+ return task_set_special_port(task, which, port);
}
-int
-vfs_context_is64bit(vfs_context_t context)
+/*
+ * vfs_context_thread
+ *
+ * Description: Return the Mach thread associated with a vfs_context_t
+ *
+ * Parameters: vfs_context_t The context to use
+ *
+ * Returns: thread_t The thread for this context, or
+ * NULL, if there is not one.
+ *
+ * Notes: NULL thread_t's are legal, but discouraged. They occur only
+ * as a result of a static vfs_context_t declaration in a function
+ * and will result in this function returning NULL.
+ *
+ * This is intentional; this function should NOT return the
+ * current_thread() in this case.
+ */
+thread_t
+vfs_context_thread(vfs_context_t ctx)
{
- if (context->vc_proc)
- return(proc_is64bit(context->vc_proc));
- return(0);
+ return(ctx->vc_thread);
}
-proc_t
-vfs_context_proc(vfs_context_t context)
+
+/*
+ * vfs_context_cwd
+ *
+ * Description: Returns a reference on the vnode for the current working
+ * directory for the supplied context
+ *
+ * Parameters: vfs_context_t The context to use
+ *
+ * Returns: vnode_t The current working directory
+ * for this context
+ *
+ * Notes: The function first attempts to obtain the current directory
+ * from the thread, and if it is not present there, falls back
+ * to obtaining it from the process instead. If it can't be
+ * obtained from either place, we return NULLVP.
+ */
+vnode_t
+vfs_context_cwd(vfs_context_t ctx)
{
- return (context->vc_proc);
+ vnode_t cwd = NULLVP;
+
+ if(ctx != NULL && ctx->vc_thread != NULL) {
+ uthread_t uth = get_bsdthread_info(ctx->vc_thread);
+ proc_t proc;
+
+ /*
+ * Get the cwd from the thread; if there isn't one, get it
+ * from the process, instead.
+ */
+ if ((cwd = uth->uu_cdir) == NULLVP &&
+ (proc = (proc_t)get_bsdthreadtask_info(ctx->vc_thread)) != NULL &&
+ proc->p_fd != NULL)
+ cwd = proc->p_fd->fd_cdir;
+ }
+
+ return(cwd);
}
+/*
+ * vfs_context_create
+ *
+ * Description: Allocate and initialize a new context.
+ *
+ * Parameters: vfs_context_t: Context to copy, or NULL for new
+ *
+ * Returns: Pointer to new context
+ *
+ * Notes: Copy cred and thread from argument, if available; else
+ * initialize with current thread and new cred. Returns
+ * with a reference held on the credential.
+ */
vfs_context_t
-vfs_context_create(vfs_context_t context)
+vfs_context_create(vfs_context_t ctx)
{
- struct vfs_context * newcontext;
+ vfs_context_t newcontext;
- newcontext = (struct vfs_context *)kalloc(sizeof(struct vfs_context));
+ newcontext = (vfs_context_t)kalloc(sizeof(struct vfs_context));
if (newcontext) {
kauth_cred_t safecred;
- if (context) {
- newcontext->vc_proc = context->vc_proc;
- safecred = context->vc_ucred;
+ if (ctx) {
+ newcontext->vc_thread = ctx->vc_thread;
+ safecred = ctx->vc_ucred;
} else {
- newcontext->vc_proc = proc_self();
+ newcontext->vc_thread = current_thread();
safecred = kauth_cred_get();
}
if (IS_VALID_CRED(safecred))
newcontext->vc_ucred = safecred;
return(newcontext);
}
- return((vfs_context_t)0);
+ return(NULL);
+}
+
+
+vfs_context_t
+vfs_context_current(void)
+{
+ vfs_context_t ctx = NULL;
+ volatile uthread_t ut = (uthread_t)get_bsdthread_info(current_thread());
+
+ if (ut != NULL ) {
+ if (ut->uu_context.vc_ucred != NULL) {
+ ctx = &ut->uu_context;
+ }
+ }
+
+ return(ctx == NULL ? vfs_context_kernel() : ctx);
+}
+
+
+/*
+ * XXX Do not ask
+ *
+ * Dangerous hack - adopt the first kernel thread as the current thread, to
+ * get to the vfs_context_t in the uthread associated with a kernel thread.
+ * This is used by UDF to make the call into IOCDMediaBSDClient,
+ * IOBDMediaBSDClient, and IODVDMediaBSDClient to determine whether the
+ * ioctl() is being called from kernel or user space (and all this because
+ * we do not pass threads into our ioctl()'s, instead of processes).
+ *
+ * This is also used by imageboot_setup(), called early from bsd_init() after
+ * kernproc has been given a credential.
+ *
+ * Note: The use of proc_thread() here is a convenience to avoid inclusion
+ * of many Mach headers to do the reference directly rather than indirectly;
+ * we will need to forego this convenience when we reture proc_thread().
+ */
+static struct vfs_context kerncontext;
+vfs_context_t
+vfs_context_kernel(void)
+{
+ if (kerncontext.vc_ucred == NOCRED)
+ kerncontext.vc_ucred = kernproc->p_ucred;
+ if (kerncontext.vc_thread == NULL)
+ kerncontext.vc_thread = proc_thread(kernproc);
+
+ return(&kerncontext);
}
+
int
-vfs_context_rele(vfs_context_t context)
+vfs_context_rele(vfs_context_t ctx)
{
- if (context) {
- if (IS_VALID_CRED(context->vc_ucred))
- kauth_cred_unref(&context->vc_ucred);
- kfree(context, sizeof(struct vfs_context));
+ if (ctx) {
+ if (IS_VALID_CRED(ctx->vc_ucred))
+ kauth_cred_unref(&ctx->vc_ucred);
+ kfree(ctx, sizeof(struct vfs_context));
}
return(0);
}
-ucred_t
-vfs_context_ucred(vfs_context_t context)
+kauth_cred_t
+vfs_context_ucred(vfs_context_t ctx)
{
- return (context->vc_ucred);
+ return (ctx->vc_ucred);
}
/*
* Return true if the context is owned by the superuser.
*/
int
-vfs_context_issuser(vfs_context_t context)
+vfs_context_issuser(vfs_context_t ctx)
{
- return(context->vc_ucred->cr_uid == 0);
+ return(kauth_cred_issuser(vfs_context_ucred(ctx)));
}
+/*
+ * Given a context, for all fields of vfs_context_t which
+ * are not held with a reference, set those fields to the
+ * values for the current execution context. Currently, this
+ * just means the vc_thread.
+ *
+ * Returns: 0 for success, nonzero for failure
+ *
+ * The intended use is:
+ * 1. vfs_context_create() gets the caller a context
+ * 2. vfs_context_bind() sets the unrefcounted data
+ * 3. vfs_context_rele() releases the context
+ *
+ */
+int
+vfs_context_bind(vfs_context_t ctx)
+{
+ ctx->vc_thread = current_thread();
+ return 0;
+}
/* XXXXXXXXXXXXXX VNODE KAPIS XXXXXXXXXXXXXXXXXXXXXXXXX */
* vnode manipulation functions.
*/
-/* returns system root vnode reference; It should be dropped using vrele() */
+/* returns system root vnode iocount; It should be released using vnode_put() */
vnode_t
vfs_rootvnode(void)
{
return ((uint32_t)(vp->v_id));
}
-/* returns a mount reference; drop it with vfs_mountrelease() */
mount_t
vnode_mount(vnode_t vp)
{
return (vp->v_mount);
}
-/* returns a mount reference iff vnode_t is a dir and is a mount point */
mount_t
vnode_mountedhere(vnode_t vp)
{
void
vnode_clearfsnode(vnode_t vp)
{
- vp->v_data = 0;
+ vp->v_data = NULL;
}
dev_t
return ((vp->v_flag & VSYSTEM)? 1 : 0);
}
+/* is vnode_t a swap file vnode */
+int
+vnode_isswap(vnode_t vp)
+{
+ return ((vp->v_flag & VSWAP)? 1 : 0);
+}
+
+/* is vnode_t a tty */
+int
+vnode_istty(vnode_t vp)
+{
+ return ((vp->v_flag & VISTTY) ? 1 : 0);
+}
+
/* if vnode_t mount operation in progress */
int
vnode_ismount(vnode_t vp)
{
int ret;
- vnode_lock(vp);
+ vnode_lock_spin(vp);
ret = (vp->v_lflag & (VL_TERMINATE|VL_DEAD))? 1 : 0;
vnode_unlock(vp);
return(ret);
}
+/* vnode was created by background task requesting rapid aging
+ and has not since been referenced by a normal task */
+int
+vnode_israge(vnode_t vp)
+{
+ return ((vp->v_flag & VRAGE)? 1 : 0);
+}
+
/* is vnode_t marked to not keep data cached once it's been consumed */
int
vnode_isnocache(vnode_t vp)
return ((vp->v_flag & VRAOFF)? 1 : 0);
}
+int
+vnode_is_openevt(vnode_t vp)
+{
+ return ((vp->v_flag & VOPENEVT)? 1 : 0);
+}
+
/* is vnode_t a standard one? */
int
vnode_isstandard(vnode_t vp)
return ((vp->v_type == VBLK)? 1 : 0);
}
+int
+vnode_isspec(vnode_t vp)
+{
+ return (((vp->v_type == VCHR) || (vp->v_type == VBLK)) ? 1 : 0);
+}
+
/* is vnode_t a char device? */
int
vnode_ischr(vnode_t vp)
return ((vp->v_type == VSOCK)? 1 : 0);
}
+/* is vnode_t a device with multiple active vnodes referring to it? */
+int
+vnode_isaliased(vnode_t vp)
+{
+ enum vtype vt = vp->v_type;
+ if (!((vt == VCHR) || (vt == VBLK))) {
+ return 0;
+ } else {
+ return (vp->v_specflags & SI_ALIASED);
+ }
+}
-/* TBD: set vnode_t to not cache data after it is consumed once; used for quota */
-void
-vnode_setnocache(vnode_t vp)
+/* is vnode_t a named stream? */
+int
+vnode_isnamedstream(
+#if NAMEDSTREAMS
+ vnode_t vp
+#else
+ __unused vnode_t vp
+#endif
+ )
{
- vnode_lock(vp);
- vp->v_flag |= VNOCACHE_DATA;
- vnode_unlock(vp);
+#if NAMEDSTREAMS
+ return ((vp->v_flag & VISNAMEDSTREAM) ? 1 : 0);
+#else
+ return (0);
+#endif
}
-void
-vnode_clearnocache(vnode_t vp)
+int
+vnode_isshadow(
+#if NAMEDSTREAMS
+ vnode_t vp
+#else
+ __unused vnode_t vp
+#endif
+ )
{
- vnode_lock(vp);
- vp->v_flag &= ~VNOCACHE_DATA;
- vnode_unlock(vp);
+#if NAMEDSTREAMS
+ return ((vp->v_flag & VISSHADOW) ? 1 : 0);
+#else
+ return (0);
+#endif
}
+/* does vnode have associated named stream vnodes ? */
+int
+vnode_hasnamedstreams(
+#if NAMEDSTREAMS
+ vnode_t vp
+#else
+ __unused vnode_t vp
+#endif
+ )
+{
+#if NAMEDSTREAMS
+ return ((vp->v_lflag & VL_HASSTREAMS) ? 1 : 0);
+#else
+ return (0);
+#endif
+}
+/* TBD: set vnode_t to not cache data after it is consumed once; used for quota */
+void
+vnode_setnocache(vnode_t vp)
+{
+ vnode_lock_spin(vp);
+ vp->v_flag |= VNOCACHE_DATA;
+ vnode_unlock(vp);
+}
+
+void
+vnode_clearnocache(vnode_t vp)
+{
+ vnode_lock_spin(vp);
+ vp->v_flag &= ~VNOCACHE_DATA;
+ vnode_unlock(vp);
+}
+
+void
+vnode_set_openevt(vnode_t vp)
+{
+ vnode_lock_spin(vp);
+ vp->v_flag |= VOPENEVT;
+ vnode_unlock(vp);
+}
+
+void
+vnode_clear_openevt(vnode_t vp)
+{
+ vnode_lock_spin(vp);
+ vp->v_flag &= ~VOPENEVT;
+ vnode_unlock(vp);
+}
+
+
void
vnode_setnoreadahead(vnode_t vp)
{
- vnode_lock(vp);
+ vnode_lock_spin(vp);
vp->v_flag |= VRAOFF;
vnode_unlock(vp);
}
void
vnode_clearnoreadahead(vnode_t vp)
{
- vnode_lock(vp);
+ vnode_lock_spin(vp);
vp->v_flag &= ~VRAOFF;
vnode_unlock(vp);
}
void
vnode_setnoflush(vnode_t vp)
{
- vnode_lock(vp);
+ vnode_lock_spin(vp);
vp->v_flag |= VNOFLUSH;
vnode_unlock(vp);
}
void
vnode_clearnoflush(vnode_t vp)
{
- vnode_lock(vp);
+ vnode_lock_spin(vp);
vp->v_flag &= ~VNOFLUSH;
vnode_unlock(vp);
}
void
vnode_setmountedon(vnode_t vp)
{
- vnode_lock(vp);
+ vnode_lock_spin(vp);
vp->v_specflags |= SI_MOUNTEDON;
vnode_unlock(vp);
}
void
vnode_clearmountedon(vnode_t vp)
{
- vnode_lock(vp);
+ vnode_lock_spin(vp);
vp->v_specflags &= ~SI_MOUNTEDON;
vnode_unlock(vp);
}
vp->v_parent = dvp;
}
-char *
+const char *
vnode_name(vnode_t vp)
{
/* we try to keep v_name a reasonable name for the node */
vnode_vfs64bitready(vnode_t vp)
{
- if ((vp->v_mount->mnt_vtable->vfc_64bitready))
+ /*
+ * Checking for dead_mountp is a bit of a hack for SnowLeopard: <rdar://problem/6269051>
+ */
+ if ((vp->v_mount != dead_mountp) && (vp->v_mount->mnt_vtable->vfc_vfsflags & VFC_VFS64BITREADY))
return(1);
else
return(0);
}
-/* returns vnode ref to current working directory */
+/*
+ * Returns vnode ref to current working directory; if a per-thread current
+ * working directory is in effect, return that instead of the per process one.
+ *
+ * XXX Published, but not used.
+ */
vnode_t
current_workingdir(void)
{
- struct proc *p = current_proc();
- struct vnode * vp ;
-
- if ( (vp = p->p_fd->fd_cdir) ) {
- if ( (vnode_getwithref(vp)) )
- return (NULL);
- }
- return vp;
+ return vfs_context_cwd(vfs_context_current());
}
/* returns vnode ref to current root(chroot) directory */
vnode_t
current_rootdir(void)
{
- struct proc *p = current_proc();
+ proc_t proc = current_proc();
struct vnode * vp ;
- if ( (vp = p->p_fd->fd_rdir) ) {
+ if ( (vp = proc->p_fd->fd_rdir) ) {
if ( (vnode_getwithref(vp)) )
return (NULL);
}
size_t fsec_size;
size_t xsize, rsize;
int error;
- int i;
uint32_t host_fsec_magic;
uint32_t host_acl_entrycount;
{
uio_t fsec_uio;
int error;
- int i;
uint32_t saved_acl_copysize;
fsec_uio = NULL;
kauth_filesec_acl_setendian(KAUTH_ENDIAN_DISK, fsec, acl);
- uio_addiov(fsec_uio, CAST_USER_ADDR_T(fsec), sizeof(struct kauth_filesec) - sizeof(struct kauth_acl));
+ uio_addiov(fsec_uio, CAST_USER_ADDR_T(fsec), KAUTH_FILESEC_SIZE(0) - KAUTH_ACL_SIZE(KAUTH_FILESEC_NOACL));
uio_addiov(fsec_uio, CAST_USER_ADDR_T(acl), saved_acl_copysize);
error = vn_setxattr(vp,
KAUTH_FILESEC_XATTR,
}
+/*
+ * Returns: 0 Success
+ * ENOMEM Not enough space [only if has filesec]
+ * VNOP_GETATTR: ???
+ * vnode_get_filesec: ???
+ * kauth_cred_guid2uid: ???
+ * kauth_cred_guid2gid: ???
+ * vfs_update_vfsstat: ???
+ */
int
vnode_getattr(vnode_t vp, struct vnode_attr *vap, vfs_context_t ctx)
{
* Handle uid/gid == 99 and MNT_IGNORE_OWNERSHIP here.
*/
if (VATTR_IS_ACTIVE(vap, va_uid)) {
- if (vp->v_mount->mnt_flag & MNT_IGNORE_OWNERSHIP) {
+ if (vfs_context_issuser(ctx) && VATTR_IS_SUPPORTED(vap, va_uid)) {
+ nuid = vap->va_uid;
+ } else if (vp->v_mount->mnt_flag & MNT_IGNORE_OWNERSHIP) {
nuid = vp->v_mount->mnt_fsowner;
if (nuid == KAUTH_UID_NONE)
nuid = 99;
VATTR_RETURN(vap, va_uid, nuid);
}
if (VATTR_IS_ACTIVE(vap, va_gid)) {
- if (vp->v_mount->mnt_flag & MNT_IGNORE_OWNERSHIP) {
+ if (vfs_context_issuser(ctx) && VATTR_IS_SUPPORTED(vap, va_gid)) {
+ ngid = vap->va_gid;
+ } else if (vp->v_mount->mnt_flag & MNT_IGNORE_OWNERSHIP) {
ngid = vp->v_mount->mnt_fsgroup;
if (ngid == KAUTH_GID_NONE)
ngid = 99;
VATTR_IS_ACTIVE(vap, va_total_alloc)) {
/* make sure f_bsize is valid */
if (vp->v_mount->mnt_vfsstat.f_bsize == 0) {
- if ((error = vfs_update_vfsstat(vp->v_mount, ctx)) != 0)
+ if ((error = vfs_update_vfsstat(vp->v_mount, ctx, VFS_KERNEL_EVENT)) != 0)
goto out;
}
int
vnode_setattr(vnode_t vp, struct vnode_attr *vap, vfs_context_t ctx)
{
- int error, is_ownership_change=0;
+ int error, is_perm_change=0;
/*
* Make sure the filesystem is mounted R/W.
error = EROFS;
goto out;
}
+#if NAMEDSTREAMS
+ /* For streams, va_data_size is the only setable attribute. */
+ if ((vp->v_flag & VISNAMEDSTREAM) && (vap->va_active != VNODE_ATTR_va_data_size)) {
+ error = EPERM;
+ goto out;
+ }
+#endif
/*
* If ownership is being ignored on this volume, we silently discard
VATTR_CLEAR_ACTIVE(vap, va_gid);
}
- if (VATTR_IS_ACTIVE(vap, va_uid) || VATTR_IS_ACTIVE(vap, va_gid)) {
- is_ownership_change = 1;
+ if ( VATTR_IS_ACTIVE(vap, va_uid) || VATTR_IS_ACTIVE(vap, va_gid)
+ || VATTR_IS_ACTIVE(vap, va_mode) || VATTR_IS_ACTIVE(vap, va_acl)) {
+ is_perm_change = 1;
}
/*
if ((error == 0) && !VATTR_ALL_SUPPORTED(vap))
error = vnode_setattr_fallback(vp, vap, ctx);
- /*
- * If we have changed any of the things about the file that are likely
- * to result in changes to authorisation results, blow the vnode auth
- * cache
- */
- if (VATTR_IS_SUPPORTED(vap, va_mode) ||
- VATTR_IS_SUPPORTED(vap, va_uid) ||
- VATTR_IS_SUPPORTED(vap, va_gid) ||
- VATTR_IS_SUPPORTED(vap, va_flags) ||
- VATTR_IS_SUPPORTED(vap, va_acl) ||
- VATTR_IS_SUPPORTED(vap, va_uuuid) ||
- VATTR_IS_SUPPORTED(vap, va_guuid))
- vnode_uncache_credentials(vp);
+#if CONFIG_FSE
// only send a stat_changed event if this is more than
- // just an access time update
- if (error == 0 && (vap->va_active != VNODE_ATTR_BIT(va_access_time))) {
- if (need_fsevent(FSE_STAT_CHANGED, vp) || (is_ownership_change && need_fsevent(FSE_CHOWN, vp))) {
- if (is_ownership_change == 0)
- add_fsevent(FSE_STAT_CHANGED, ctx, FSE_ARG_VNODE, vp, FSE_ARG_DONE);
- else
- add_fsevent(FSE_CHOWN, ctx, FSE_ARG_VNODE, vp, FSE_ARG_DONE);
+ // just an access or backup time update
+ if (error == 0 && (vap->va_active != VNODE_ATTR_BIT(va_access_time)) && (vap->va_active != VNODE_ATTR_BIT(va_backup_time))) {
+ if (is_perm_change) {
+ if (need_fsevent(FSE_CHOWN, vp)) {
+ add_fsevent(FSE_CHOWN, ctx, FSE_ARG_VNODE, vp, FSE_ARG_DONE);
+ }
+ } else if(need_fsevent(FSE_STAT_CHANGED, vp)) {
+ add_fsevent(FSE_STAT_CHANGED, ctx, FSE_ARG_VNODE, vp, FSE_ARG_DONE);
}
}
+#endif
out:
return(error);
return(error);
}
+/*
+ * Upcall for a filesystem to tell VFS about an EVFILT_VNODE-type
+ * event on a vnode.
+ */
+int
+vnode_notify(vnode_t vp, uint32_t events, struct vnode_attr *vap)
+{
+ /* These are the same as the corresponding knotes, at least for now. Cheating a little. */
+ uint32_t knote_mask = (VNODE_EVENT_WRITE | VNODE_EVENT_DELETE | VNODE_EVENT_RENAME
+ | VNODE_EVENT_LINK | VNODE_EVENT_EXTEND | VNODE_EVENT_ATTRIB);
+ uint32_t dir_contents_mask = (VNODE_EVENT_DIR_CREATED | VNODE_EVENT_FILE_CREATED
+ | VNODE_EVENT_DIR_REMOVED | VNODE_EVENT_FILE_REMOVED);
+ uint32_t knote_events = (events & knote_mask);
+
+ /* Permissions are not explicitly part of the kqueue model */
+ if (events & VNODE_EVENT_PERMS) {
+ knote_events |= NOTE_ATTRIB;
+ }
+
+ /* Directory contents information just becomes NOTE_WRITE */
+ if ((vnode_isdir(vp)) && (events & dir_contents_mask)) {
+ knote_events |= NOTE_WRITE;
+ }
+
+ if (knote_events) {
+ lock_vnode_and_post(vp, knote_events);
+#if CONFIG_FSE
+ if (vap != NULL) {
+ create_fsevent_from_kevent(vp, events, vap);
+ }
+#else
+ (void)vap;
+#endif
+ }
+
+ return 0;
+}
+
+/*
+ * For a filesystem that isn't tracking its own vnode watchers:
+ * check whether a vnode is being monitored.
+ */
+int
+vnode_ismonitored(vnode_t vp) {
+ return (vp->v_knotes.slh_first != NULL);
+}
+
+/*
+ * Conceived as a function available only in BSD kernel so that if kevent_register
+ * changes what a knote of type EVFILT_VNODE is watching, it can push
+ * that updated information down to a networked filesystem that may
+ * need to update server-side monitoring.
+ *
+ * Blunted to do nothing--because we want to get both kqueue and fsevents support
+ * from the VNOP_MONITOR design, we always want all the events a filesystem can provide us.
+ */
+void
+vnode_knoteupdate(__unused struct knote *kn)
+{
+#if 0
+ vnode_t vp = (vnode_t)kn->kn_hook;
+ if (vnode_getwithvid(vp, kn->kn_hookid) == 0) {
+ VNOP_MONITOR(vp, kn->kn_sfflags, VNODE_MONITOR_UPDATE, (void*)kn, NULL);
+ vnode_put(vp);
+ }
+#endif
+}
+
+/*
+ * Initialize a struct vnode_attr and activate the attributes required
+ * by the vnode_notify() call.
+ */
+int
+vfs_get_notify_attributes(struct vnode_attr *vap)
+{
+ VATTR_INIT(vap);
+ vap->va_active = VNODE_NOTIFY_ATTRS;
+ return 0;
+}
+
/*
* Definition of vnode operations.
*/
};
#endif /* 0*/
+/*
+ * Returns: 0 Success
+ * lock_fsnode:ENOENT No such file or directory [only for VFS
+ * that is not thread safe & vnode is
+ * currently being/has been terminated]
+ * <vfs_lookup>:ENAMETOOLONG
+ * <vfs_lookup>:ENOENT
+ * <vfs_lookup>:EJUSTRETURN
+ * <vfs_lookup>:EPERM
+ * <vfs_lookup>:EISDIR
+ * <vfs_lookup>:ENOTDIR
+ * <vfs_lookup>:???
+ *
+ * Note: The return codes from the underlying VFS's lookup routine can't
+ * be fully enumerated here, since third party VFS authors may not
+ * limit their error returns to the ones documented here, even
+ * though this may result in some programs functioning incorrectly.
+ *
+ * The return codes documented above are those which may currently
+ * be returned by HFS from hfs_lookup, not including additional
+ * error code which may be propagated from underlying routines.
+ */
errno_t
-VNOP_LOOKUP(vnode_t dvp, vnode_t *vpp, struct componentname *cnp, vfs_context_t context)
+VNOP_LOOKUP(vnode_t dvp, vnode_t *vpp, struct componentname *cnp, vfs_context_t ctx)
{
int _err;
struct vnop_lookup_args a;
vnode_t vp;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_lookup_desc;
a.a_dvp = dvp;
a.a_vpp = vpp;
a.a_cnp = cnp;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(dvp);
-
- vnode_cache_credentials(dvp, context);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(dvp);
if (!thread_safe) {
if ( (_err = lock_fsnode(dvp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*dvp->v_op[vnop_lookup_desc.vdesc_offset])(&a);
vp = *vpp;
+#ifndef __LP64__
if (!thread_safe) {
if ( (cnp->cn_flags & ISLASTCN) ) {
if ( (cnp->cn_flags & LOCKPARENT) ) {
}
unlock_fsnode(dvp, &funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_CREATE(vnode_t dvp, vnode_t * vpp, struct componentname * cnp, struct vnode_attr * vap, vfs_context_t context)
+VNOP_CREATE(vnode_t dvp, vnode_t * vpp, struct componentname * cnp, struct vnode_attr * vap, vfs_context_t ctx)
{
int _err;
struct vnop_create_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_create_desc;
a.a_dvp = dvp;
a.a_vpp = vpp;
a.a_cnp = cnp;
a.a_vap = vap;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(dvp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(dvp);
if (!thread_safe) {
if ( (_err = lock_fsnode(dvp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*dvp->v_op[vnop_create_desc.vdesc_offset])(&a);
if (_err == 0 && !NATIVE_XATTR(dvp)) {
/*
* Remove stale Apple Double file (if any).
*/
- xattrfile_remove(dvp, cnp->cn_nameptr, context, thread_safe, 0);
+ xattrfile_remove(dvp, cnp->cn_nameptr, ctx, 0);
}
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(dvp, &funnel_state);
}
+#endif /* __LP64__ */
+
+ post_event_if_success(dvp, _err, NOTE_WRITE);
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_WHITEOUT(vnode_t dvp, struct componentname * cnp, int flags, vfs_context_t context)
+VNOP_WHITEOUT(vnode_t dvp, struct componentname * cnp, int flags, vfs_context_t ctx)
{
int _err;
struct vnop_whiteout_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_whiteout_desc;
a.a_dvp = dvp;
a.a_cnp = cnp;
a.a_flags = flags;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(dvp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(dvp);
if (!thread_safe) {
if ( (_err = lock_fsnode(dvp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*dvp->v_op[vnop_whiteout_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(dvp, &funnel_state);
}
+#endif /* __LP64__ */
+
+ post_event_if_success(dvp, _err, NOTE_WRITE);
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_MKNOD(vnode_t dvp, vnode_t * vpp, struct componentname * cnp, struct vnode_attr * vap, vfs_context_t context)
+VNOP_MKNOD(vnode_t dvp, vnode_t * vpp, struct componentname * cnp, struct vnode_attr * vap, vfs_context_t ctx)
{
int _err;
struct vnop_mknod_args a;
- int thread_safe;
- int funnel_state = 0;
+#ifndef __LP64__
+ int thread_safe;
+ int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_mknod_desc;
a.a_dvp = dvp;
a.a_vpp = vpp;
a.a_cnp = cnp;
a.a_vap = vap;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(dvp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(dvp);
if (!thread_safe) {
if ( (_err = lock_fsnode(dvp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*dvp->v_op[vnop_mknod_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(dvp, &funnel_state);
}
+#endif /* __LP64__ */
+
+ post_event_if_success(dvp, _err, NOTE_WRITE);
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_OPEN(vnode_t vp, int mode, vfs_context_t context)
+VNOP_OPEN(vnode_t vp, int mode, vfs_context_t ctx)
{
int _err;
struct vnop_open_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct vfs_context acontext;
+#endif /* __LP64__ */
- if (context == NULL) {
- acontext.vc_proc = current_proc();
- acontext.vc_ucred = kauth_cred_get();
- context = &acontext;
+ if (ctx == NULL) {
+ ctx = vfs_context_current();
}
a.a_desc = &vnop_open_desc;
a.a_vp = vp;
a.a_mode = mode;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
if (vp->v_type != VCHR && vp->v_type != VFIFO && vp->v_type != VSOCK) {
}
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_open_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
if (vp->v_type != VCHR && vp->v_type != VFIFO && vp->v_type != VSOCK) {
unlock_fsnode(vp, NULL);
}
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_CLOSE(vnode_t vp, int fflag, vfs_context_t context)
+VNOP_CLOSE(vnode_t vp, int fflag, vfs_context_t ctx)
{
int _err;
struct vnop_close_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct vfs_context acontext;
+#endif /* __LP64__ */
- if (context == NULL) {
- acontext.vc_proc = current_proc();
- acontext.vc_ucred = kauth_cred_get();
- context = &acontext;
+ if (ctx == NULL) {
+ ctx = vfs_context_current();
}
a.a_desc = &vnop_close_desc;
a.a_vp = vp;
a.a_fflag = fflag;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
if (vp->v_type != VCHR && vp->v_type != VFIFO && vp->v_type != VSOCK) {
}
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_close_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
if (vp->v_type != VCHR && vp->v_type != VFIFO && vp->v_type != VSOCK) {
unlock_fsnode(vp, NULL);
}
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_ACCESS(vnode_t vp, int action, vfs_context_t context)
+VNOP_ACCESS(vnode_t vp, int action, vfs_context_t ctx)
{
int _err;
struct vnop_access_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct vfs_context acontext;
+#endif /* __LP64__ */
- if (context == NULL) {
- acontext.vc_proc = current_proc();
- acontext.vc_ucred = kauth_cred_get();
- context = &acontext;
+ if (ctx == NULL) {
+ ctx = vfs_context_current();
}
a.a_desc = &vnop_access_desc;
a.a_vp = vp;
a.a_action = action;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_access_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_GETATTR(vnode_t vp, struct vnode_attr * vap, vfs_context_t context)
+VNOP_GETATTR(vnode_t vp, struct vnode_attr * vap, vfs_context_t ctx)
{
int _err;
struct vnop_getattr_args a;
+#ifndef __LP64__
int thread_safe;
- int funnel_state;
+ int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_getattr_desc;
a.a_vp = vp;
a.a_vap = vap;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_getattr_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_SETATTR(vnode_t vp, struct vnode_attr * vap, vfs_context_t context)
+VNOP_SETATTR(vnode_t vp, struct vnode_attr * vap, vfs_context_t ctx)
{
int _err;
struct vnop_setattr_args a;
+#ifndef __LP64__
int thread_safe;
- int funnel_state;
+ int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_setattr_desc;
a.a_vp = vp;
a.a_vap = vap;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_setattr_desc.vdesc_offset])(&a);
/*
- * Shadow uid/gid/mod change to extended attibute file.
+ * Shadow uid/gid/mod change to extended attribute file.
*/
if (_err == 0 && !NATIVE_XATTR(vp)) {
struct vnode_attr va;
}
if (change) {
vnode_t dvp;
- char *vname;
+ const char *vname;
dvp = vnode_getparent(vp);
vname = vnode_getname(vp);
- xattrfile_setattr(dvp, vname, &va, context, thread_safe);
+ xattrfile_setattr(dvp, vname, &va, ctx);
if (dvp != NULLVP)
vnode_put(dvp);
if (vname != NULL)
vnode_putname(vname);
}
}
- if (!thread_safe) {
- unlock_fsnode(vp, &funnel_state);
- }
- return (_err);
-}
-
-#if 0
-/*
- *#
- *#% getattrlist vp = = =
- *#
- */
-struct vnop_getattrlist_args {
- struct vnodeop_desc *a_desc;
- vnode_t a_vp;
- struct attrlist *a_alist;
- struct uio *a_uio;
- int a_options;
- vfs_context_t a_context;
-};
-#endif /* 0*/
-errno_t
-VNOP_GETATTRLIST(vnode_t vp, struct attrlist * alist, struct uio * uio, int options, vfs_context_t context)
-{
- int _err;
- struct vnop_getattrlist_args a;
- int thread_safe;
- int funnel_state = 0;
-
- a.a_desc = &vnop_getattrlist_desc;
- a.a_vp = vp;
- a.a_alist = alist;
- a.a_uio = uio;
- a.a_options = options;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
- if (!thread_safe) {
- if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
- return (_err);
- }
- }
- _err = (*vp->v_op[vnop_getattrlist_desc.vdesc_offset])(&a);
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
- return (_err);
-}
-
-#if 0
-/*
- *#
- *#% setattrlist vp L L L
- *#
- */
-struct vnop_setattrlist_args {
- struct vnodeop_desc *a_desc;
- vnode_t a_vp;
- struct attrlist *a_alist;
- struct uio *a_uio;
- int a_options;
- vfs_context_t a_context;
-};
-#endif /* 0*/
-errno_t
-VNOP_SETATTRLIST(vnode_t vp, struct attrlist * alist, struct uio * uio, int options, vfs_context_t context)
-{
- int _err;
- struct vnop_setattrlist_args a;
- int thread_safe;
- int funnel_state = 0;
-
- a.a_desc = &vnop_setattrlist_desc;
- a.a_vp = vp;
- a.a_alist = alist;
- a.a_uio = uio;
- a.a_options = options;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
-
- if (!thread_safe) {
- if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
- return (_err);
- }
- }
- _err = (*vp->v_op[vnop_setattrlist_desc.vdesc_offset])(&a);
+#endif /* __LP64__ */
- vnode_uncache_credentials(vp);
+ /*
+ * If we have changed any of the things about the file that are likely
+ * to result in changes to authorization results, blow the vnode auth
+ * cache
+ */
+ if (_err == 0 && (
+ VATTR_IS_SUPPORTED(vap, va_mode) ||
+ VATTR_IS_SUPPORTED(vap, va_uid) ||
+ VATTR_IS_SUPPORTED(vap, va_gid) ||
+ VATTR_IS_SUPPORTED(vap, va_flags) ||
+ VATTR_IS_SUPPORTED(vap, va_acl) ||
+ VATTR_IS_SUPPORTED(vap, va_uuuid) ||
+ VATTR_IS_SUPPORTED(vap, va_guuid))) {
+ vnode_uncache_authorized_action(vp, KAUTH_INVALIDATE_CACHED_RIGHTS);
+
+#if NAMEDSTREAMS
+ if (vfs_authopaque(vp->v_mount) && vnode_hasnamedstreams(vp)) {
+ vnode_t svp;
+ if (vnode_getnamedstream(vp, &svp, XATTR_RESOURCEFORK_NAME, NS_OPEN, 0, ctx) == 0) {
+ vnode_uncache_authorized_action(svp, KAUTH_INVALIDATE_CACHED_RIGHTS);
+ vnode_put(svp);
+ }
+ }
+#endif /* NAMEDSTREAMS */
+ }
+
+
+ post_event_if_success(vp, _err, NOTE_ATTRIB);
- if (!thread_safe) {
- unlock_fsnode(vp, &funnel_state);
- }
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_READ(vnode_t vp, struct uio * uio, int ioflag, vfs_context_t context)
+VNOP_READ(vnode_t vp, struct uio * uio, int ioflag, vfs_context_t ctx)
{
int _err;
struct vnop_read_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct vfs_context acontext;
+#endif /* __LP64__ */
- if (context == NULL) {
- acontext.vc_proc = current_proc();
- acontext.vc_ucred = kauth_cred_get();
- context = &acontext;
+ if (ctx == NULL) {
+ ctx = vfs_context_current();
}
a.a_desc = &vnop_read_desc;
a.a_vp = vp;
a.a_uio = uio;
a.a_ioflag = ioflag;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
if (vp->v_type != VCHR && vp->v_type != VFIFO && vp->v_type != VSOCK) {
}
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_read_desc.vdesc_offset])(&a);
+#ifndef __LP64__
if (!thread_safe) {
if (vp->v_type != VCHR && vp->v_type != VFIFO && vp->v_type != VSOCK) {
unlock_fsnode(vp, NULL);
}
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_WRITE(vnode_t vp, struct uio * uio, int ioflag, vfs_context_t context)
+VNOP_WRITE(vnode_t vp, struct uio * uio, int ioflag, vfs_context_t ctx)
{
struct vnop_write_args a;
int _err;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct vfs_context acontext;
+#endif /* __LP64__ */
- if (context == NULL) {
- acontext.vc_proc = current_proc();
- acontext.vc_ucred = kauth_cred_get();
- context = &acontext;
+ if (ctx == NULL) {
+ ctx = vfs_context_current();
}
a.a_desc = &vnop_write_desc;
a.a_vp = vp;
a.a_uio = uio;
a.a_ioflag = ioflag;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
if (vp->v_type != VCHR && vp->v_type != VFIFO && vp->v_type != VSOCK) {
}
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_write_desc.vdesc_offset])(&a);
+#ifndef __LP64__
if (!thread_safe) {
if (vp->v_type != VCHR && vp->v_type != VFIFO && vp->v_type != VSOCK) {
unlock_fsnode(vp, NULL);
}
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
+ post_event_if_success(vp, _err, NOTE_WRITE);
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_IOCTL(vnode_t vp, u_long command, caddr_t data, int fflag, vfs_context_t context)
+VNOP_IOCTL(vnode_t vp, u_long command, caddr_t data, int fflag, vfs_context_t ctx)
{
int _err;
struct vnop_ioctl_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct vfs_context acontext;
+#endif /* __LP64__ */
- if (context == NULL) {
- acontext.vc_proc = current_proc();
- acontext.vc_ucred = kauth_cred_get();
- context = &acontext;
+ if (ctx == NULL) {
+ ctx = vfs_context_current();
}
- if (vfs_context_is64bit(context)) {
- if (!vnode_vfs64bitready(vp)) {
+ /*
+ * This check should probably have been put in the TTY code instead...
+ *
+ * We have to be careful about what we assume during startup and shutdown.
+ * We have to be able to use the root filesystem's device vnode even when
+ * devfs isn't mounted (yet/anymore), so we can't go looking at its mount
+ * structure. If there is no data pointer, it doesn't matter whether
+ * the device is 64-bit ready. Any command (like DKIOCSYNCHRONIZECACHE)
+ * which passes NULL for its data pointer can therefore be used during
+ * mount or unmount of the root filesystem.
+ *
+ * Depending on what root filesystems need to do during mount/unmount, we
+ * may need to loosen this check again in the future.
+ */
+ if (vfs_context_is64bit(ctx) && !(vnode_ischr(vp) || vnode_isblk(vp))) {
+ if (data != NULL && !vnode_vfs64bitready(vp)) {
return(ENOTTY);
}
}
a.a_command = command;
a.a_data = data;
a.a_fflag = fflag;
- a.a_context= context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context= ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
if (vp->v_type != VCHR && vp->v_type != VFIFO && vp->v_type != VSOCK) {
}
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_ioctl_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
if (vp->v_type != VCHR && vp->v_type != VFIFO && vp->v_type != VSOCK) {
unlock_fsnode(vp, NULL);
}
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_SELECT(vnode_t vp, int which , int fflags, void * wql, vfs_context_t context)
+VNOP_SELECT(vnode_t vp, int which , int fflags, void * wql, vfs_context_t ctx)
{
int _err;
struct vnop_select_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct vfs_context acontext;
+#endif /* __LP64__ */
- if (context == NULL) {
- acontext.vc_proc = current_proc();
- acontext.vc_ucred = kauth_cred_get();
- context = &acontext;
+ if (ctx == NULL) {
+ ctx = vfs_context_current();
}
a.a_desc = &vnop_select_desc;
a.a_vp = vp;
a.a_which = which;
a.a_fflags = fflags;
- a.a_context = context;
+ a.a_context = ctx;
a.a_wql = wql;
- thread_safe = THREAD_SAFE_FS(vp);
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
if (vp->v_type != VCHR && vp->v_type != VFIFO && vp->v_type != VSOCK) {
}
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_select_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
if (vp->v_type != VCHR && vp->v_type != VFIFO && vp->v_type != VSOCK) {
unlock_fsnode(vp, NULL);
}
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_EXCHANGE(vnode_t fvp, vnode_t tvp, int options, vfs_context_t context)
+VNOP_EXCHANGE(vnode_t fvp, vnode_t tvp, int options, vfs_context_t ctx)
{
int _err;
struct vnop_exchange_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
vnode_t lock_first = NULL, lock_second = NULL;
+#endif /* __LP64__ */
a.a_desc = &vnop_exchange_desc;
a.a_fvp = fvp;
a.a_tvp = tvp;
a.a_options = options;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(fvp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(fvp);
if (!thread_safe) {
/*
* Lock in vnode address order to avoid deadlocks
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*fvp->v_op[vnop_exchange_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(lock_second, NULL);
unlock_fsnode(lock_first, &funnel_state);
}
+#endif /* __LP64__ */
+
+ /* Don't post NOTE_WRITE because file descriptors follow the data ... */
+ post_event_if_success(fvp, _err, NOTE_ATTRIB);
+ post_event_if_success(tvp, _err, NOTE_ATTRIB);
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_REVOKE(vnode_t vp, int flags, vfs_context_t context)
+VNOP_REVOKE(vnode_t vp, int flags, vfs_context_t ctx)
{
struct vnop_revoke_args a;
int _err;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_revoke_desc;
a.a_vp = vp;
a.a_flags = flags;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_revoke_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_MMAP(vnode_t vp, int fflags, vfs_context_t context)
+VNOP_MMAP(vnode_t vp, int fflags, vfs_context_t ctx)
{
int _err;
struct vnop_mmap_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_mmap_desc;
a.a_vp = vp;
a.a_fflags = fflags;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_mmap_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_MNOMAP(vnode_t vp, vfs_context_t context)
+VNOP_MNOMAP(vnode_t vp, vfs_context_t ctx)
{
int _err;
struct vnop_mnomap_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_mnomap_desc;
a.a_vp = vp;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_mnomap_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_FSYNC(vnode_t vp, int waitfor, vfs_context_t context)
+VNOP_FSYNC(vnode_t vp, int waitfor, vfs_context_t ctx)
{
struct vnop_fsync_args a;
int _err;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_fsync_desc;
a.a_vp = vp;
a.a_waitfor = waitfor;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_fsync_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_REMOVE(vnode_t dvp, vnode_t vp, struct componentname * cnp, int flags, vfs_context_t context)
+VNOP_REMOVE(vnode_t dvp, vnode_t vp, struct componentname * cnp, int flags, vfs_context_t ctx)
{
int _err;
struct vnop_remove_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_remove_desc;
a.a_dvp = dvp;
a.a_vp = vp;
a.a_cnp = cnp;
a.a_flags = flags;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(dvp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(dvp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*dvp->v_op[vnop_remove_desc.vdesc_offset])(&a);
if (_err == 0) {
if ( !(NATIVE_XATTR(dvp)) ) {
/*
- * Remove any associated extended attibute file (._ AppleDouble file).
+ * Remove any associated extended attribute file (._ AppleDouble file).
*/
- xattrfile_remove(dvp, cnp->cn_nameptr, context, thread_safe, 1);
+ xattrfile_remove(dvp, cnp->cn_nameptr, ctx, 1);
}
}
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
+ post_event_if_success(vp, _err, NOTE_DELETE | NOTE_LINK);
+ post_event_if_success(dvp, _err, NOTE_WRITE);
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_LINK(vnode_t vp, vnode_t tdvp, struct componentname * cnp, vfs_context_t context)
+VNOP_LINK(vnode_t vp, vnode_t tdvp, struct componentname * cnp, vfs_context_t ctx)
{
int _err;
struct vnop_link_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
/*
* For file systems with non-native extended attributes,
* disallow linking to an existing "._" Apple Double file.
*/
if ( !NATIVE_XATTR(tdvp) && (vp->v_type == VREG)) {
- char *vname;
+ const char *vname;
vname = vnode_getname(vp);
if (vname != NULL) {
a.a_vp = vp;
a.a_tdvp = tdvp;
a.a_cnp = cnp;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*tdvp->v_op[vnop_link_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
+ post_event_if_success(vp, _err, NOTE_LINK);
+ post_event_if_success(tdvp, _err, NOTE_WRITE);
+
return (_err);
}
errno_t
VNOP_RENAME(struct vnode *fdvp, struct vnode *fvp, struct componentname *fcnp,
struct vnode *tdvp, struct vnode *tvp, struct componentname *tcnp,
- vfs_context_t context)
+ vfs_context_t ctx)
{
- int _err;
+ int _err = 0;
+ int events;
struct vnop_rename_args a;
- int funnel_state = 0;
char smallname1[48];
char smallname2[48];
char *xfromname = NULL;
char *xtoname = NULL;
+#ifndef __LP64__
+ int funnel_state = 0;
vnode_t lock_first = NULL, lock_second = NULL;
vnode_t fdvp_unsafe = NULLVP;
vnode_t tdvp_unsafe = NULLVP;
+#endif /* __LP64__ */
+ vnode_t src_attr_vp = NULLVP;
+ vnode_t dst_attr_vp = NULLVP;
+ struct nameidata fromnd;
+ struct nameidata tond;
a.a_desc = &vnop_rename_desc;
a.a_fdvp = fdvp;
a.a_tdvp = tdvp;
a.a_tvp = tvp;
a.a_tcnp = tcnp;
- a.a_context = context;
+ a.a_context = ctx;
+#ifndef __LP64__
if (!THREAD_SAFE_FS(fdvp))
fdvp_unsafe = fdvp;
if (!THREAD_SAFE_FS(tdvp))
* in the root of a filesystem... in that case, tdvp is the
* in the filesystem that this root is mounted on
*/
- if (tdvp_unsafe == NULL || fdvp_unsafe == tdvp_unsafe) {
- lock_first = fdvp_unsafe;
+ if (tdvp_unsafe == NULL || fdvp_unsafe == tdvp_unsafe) {
+ lock_first = fdvp_unsafe;
lock_second = NULL;
} else if (fdvp_unsafe < tdvp_unsafe) {
- lock_first = fdvp_unsafe;
+ lock_first = fdvp_unsafe;
lock_second = tdvp_unsafe;
} else {
- lock_first = tdvp_unsafe;
+ lock_first = tdvp_unsafe;
lock_second = fdvp_unsafe;
}
if ( (_err = lock_fsnode(lock_first, &funnel_state)) )
- return (_err);
+ return (_err);
if (lock_second != NULL && (_err = lock_fsnode(lock_second, NULL))) {
- unlock_fsnode(lock_first, &funnel_state);
+ unlock_fsnode(lock_first, &funnel_state);
return (_err);
}
/*
* Lock both children in vnode address order to avoid deadlocks
*/
- if (tvp == NULL || tvp == fvp) {
- lock_first = fvp;
+ if (tvp == NULL || tvp == fvp) {
+ lock_first = fvp;
lock_second = NULL;
} else if (fvp < tvp) {
- lock_first = fvp;
+ lock_first = fvp;
lock_second = tvp;
} else {
- lock_first = tvp;
+ lock_first = tvp;
lock_second = fvp;
}
if ( (_err = lock_fsnode(lock_first, NULL)) )
- goto out1;
+ goto out1;
if (lock_second != NULL && (_err = lock_fsnode(lock_second, NULL))) {
unlock_fsnode(lock_first, NULL);
goto out1;
}
}
+#endif /* __LP64__ */
+
/*
- * Save source and destination names (._ AppleDouble files).
- * Skip if source already has a "._" prefix.
+ * We need to preflight any potential AppleDouble file for the source file
+ * before doing the rename operation, since we could potentially be doing
+ * this operation on a network filesystem, and would end up duplicating
+ * the work. Also, save the source and destination names. Skip it if the
+ * source has a "._" prefix.
*/
+
if (!NATIVE_XATTR(fdvp) &&
!(fcnp->cn_nameptr[0] == '.' && fcnp->cn_nameptr[1] == '_')) {
size_t len;
+ int error;
/* Get source attribute file name. */
len = fcnp->cn_namelen + 3;
} else {
xfromname = &smallname1[0];
}
- strcpy(xfromname, "._");
+ strlcpy(xfromname, "._", min(sizeof smallname1, len));
strncat(xfromname, fcnp->cn_nameptr, fcnp->cn_namelen);
xfromname[len-1] = '\0';
} else {
xtoname = &smallname2[0];
}
- strcpy(xtoname, "._");
+ strlcpy(xtoname, "._", min(sizeof smallname2, len));
strncat(xtoname, tcnp->cn_nameptr, tcnp->cn_namelen);
xtoname[len-1] = '\0';
+
+ /*
+ * Look up source attribute file, keep reference on it if exists.
+ * Note that we do the namei with the nameiop of RENAME, which is different than
+ * in the rename syscall. It's OK if the source file does not exist, since this
+ * is only for AppleDouble files.
+ */
+ if (xfromname != NULL) {
+ NDINIT(&fromnd, RENAME, NOFOLLOW | USEDVP | CN_NBMOUNTLOOK, UIO_SYSSPACE,
+ CAST_USER_ADDR_T(xfromname), ctx);
+ fromnd.ni_dvp = fdvp;
+ error = namei(&fromnd);
+
+ /*
+ * If there was an error looking up source attribute file,
+ * we'll behave as if it didn't exist.
+ */
+
+ if (error == 0) {
+ if (fromnd.ni_vp) {
+ /* src_attr_vp indicates need to call vnode_put / nameidone later */
+ src_attr_vp = fromnd.ni_vp;
+
+ if (fromnd.ni_vp->v_type != VREG) {
+ src_attr_vp = NULLVP;
+ vnode_put(fromnd.ni_vp);
+ }
+ }
+ /*
+ * Either we got an invalid vnode type (not a regular file) or the namei lookup
+ * suppressed ENOENT as a valid error since we're renaming. Either way, we don't
+ * have a vnode here, so we drop our namei buffer for the source attribute file
+ */
+ if (src_attr_vp == NULLVP) {
+ nameidone(&fromnd);
+ }
+ }
+ }
}
+
+ /* do the rename of the main file. */
_err = (*fdvp->v_op[vnop_rename_desc.vdesc_offset])(&a);
+#ifndef __LP64__
if (fdvp_unsafe != NULLVP) {
if (lock_second != NULL)
unlock_fsnode(lock_second, NULL);
unlock_fsnode(lock_first, NULL);
}
+#endif /* __LP64__ */
+
if (_err == 0) {
if (tvp && tvp != fvp)
vnode_setneedinactive(tvp);
}
/*
- * Rename any associated extended attibute file (._ AppleDouble file).
+ * Rename any associated extended attribute file (._ AppleDouble file).
*/
if (_err == 0 && !NATIVE_XATTR(fdvp) && xfromname != NULL) {
- struct nameidata fromnd, tond;
- int killdest = 0;
- int error;
-
+ int error = 0;
+
/*
- * Get source attribute file vnode.
- * Note that fdvp already has an iocount reference and
- * using DELETE will take an additional reference.
+ * Get destination attribute file vnode.
+ * Note that tdvp already has an iocount reference. Make sure to check that we
+ * get a valid vnode from namei.
*/
- NDINIT(&fromnd, DELETE, NOFOLLOW | USEDVP, UIO_SYSSPACE,
- CAST_USER_ADDR_T(xfromname), context);
- fromnd.ni_dvp = fdvp;
- error = namei(&fromnd);
-
- if (error) {
- /* When source doesn't exist there still may be a destination. */
- if (error == ENOENT) {
- killdest = 1;
- } else {
- goto out;
- }
- } else if (fromnd.ni_vp->v_type != VREG) {
- vnode_put(fromnd.ni_vp);
- nameidone(&fromnd);
- killdest = 1;
+ NDINIT(&tond, RENAME,
+ NOCACHE | NOFOLLOW | USEDVP | CN_NBMOUNTLOOK, UIO_SYSSPACE,
+ CAST_USER_ADDR_T(xtoname), ctx);
+ tond.ni_dvp = tdvp;
+ error = namei(&tond);
+
+ if (error)
+ goto out;
+
+ if (tond.ni_vp) {
+ dst_attr_vp = tond.ni_vp;
}
- if (killdest) {
- struct vnop_remove_args args;
+
+ if (src_attr_vp) {
+ /* attempt to rename src -> dst */
+
+ a.a_desc = &vnop_rename_desc;
+ a.a_fdvp = fdvp;
+ a.a_fvp = src_attr_vp;
+ a.a_fcnp = &fromnd.ni_cnd;
+ a.a_tdvp = tdvp;
+ a.a_tvp = dst_attr_vp;
+ a.a_tcnp = &tond.ni_cnd;
+ a.a_context = ctx;
+
+#ifndef __LP64__
+ if (fdvp_unsafe != NULLVP) {
+ /*
+ * Lock in vnode address order to avoid deadlocks
+ */
+ if (dst_attr_vp == NULL || dst_attr_vp == src_attr_vp) {
+ lock_first = src_attr_vp;
+ lock_second = NULL;
+ } else if (src_attr_vp < dst_attr_vp) {
+ lock_first = src_attr_vp;
+ lock_second = dst_attr_vp;
+ } else {
+ lock_first = dst_attr_vp;
+ lock_second = src_attr_vp;
+ }
+ if ( (error = lock_fsnode(lock_first, NULL)) == 0) {
+ if (lock_second != NULL && (error = lock_fsnode(lock_second, NULL)) )
+ unlock_fsnode(lock_first, NULL);
+ }
+ }
+#endif /* __LP64__ */
+ if (error == 0) {
+ const char *oname;
+ vnode_t oparent;
+
+ /* Save these off so we can later verify them (fix up below) */
+ oname = src_attr_vp->v_name;
+ oparent = src_attr_vp->v_parent;
+
+ error = (*fdvp->v_op[vnop_rename_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
+ if (fdvp_unsafe != NULLVP) {
+ if (lock_second != NULL)
+ unlock_fsnode(lock_second, NULL);
+ unlock_fsnode(lock_first, NULL);
+ }
+#endif /* __LP64__ */
+
+ if (error == 0) {
+ vnode_setneedinactive(src_attr_vp);
+
+ if (dst_attr_vp && dst_attr_vp != src_attr_vp)
+ vnode_setneedinactive(dst_attr_vp);
+ /*
+ * Fix up name & parent pointers on ._ file
+ */
+ if (oname == src_attr_vp->v_name &&
+ oparent == src_attr_vp->v_parent) {
+ int update_flags;
+
+ update_flags = VNODE_UPDATE_NAME;
+
+ if (fdvp != tdvp)
+ update_flags |= VNODE_UPDATE_PARENT;
+ vnode_update_identity(src_attr_vp, tdvp,
+ tond.ni_cnd.cn_nameptr,
+ tond.ni_cnd.cn_namelen,
+ tond.ni_cnd.cn_hash,
+ update_flags);
+ }
+ }
+ }
+ /* kevent notifications for moving resource files
+ * _err is zero if we're here, so no need to notify directories, code
+ * below will do that. only need to post the rename on the source and
+ * possibly a delete on the dest
+ */
+ post_event_if_success(src_attr_vp, error, NOTE_RENAME);
+ if (dst_attr_vp) {
+ post_event_if_success(dst_attr_vp, error, NOTE_DELETE);
+ }
+
+ } else if (dst_attr_vp) {
/*
- * Get destination attribute file vnode.
+ * Just delete destination attribute file vnode if it exists, since
+ * we didn't have a source attribute file.
* Note that tdvp already has an iocount reference.
*/
- NDINIT(&tond, DELETE, NOFOLLOW | USEDVP, UIO_SYSSPACE,
- CAST_USER_ADDR_T(xtoname), context);
- tond.ni_dvp = tdvp;
- error = namei(&tond);
- if (error) {
- goto out;
- }
- if (tond.ni_vp->v_type != VREG) {
- vnode_put(tond.ni_vp);
- nameidone(&tond);
- goto out;
- }
+
+ struct vnop_remove_args args;
+
args.a_desc = &vnop_remove_desc;
args.a_dvp = tdvp;
- args.a_vp = tond.ni_vp;
+ args.a_vp = dst_attr_vp;
args.a_cnp = &tond.ni_cnd;
- args.a_context = context;
+ args.a_context = ctx;
+#ifndef __LP64__
if (fdvp_unsafe != NULLVP)
- error = lock_fsnode(tond.ni_vp, NULL);
+ error = lock_fsnode(dst_attr_vp, NULL);
+#endif /* __LP64__ */
if (error == 0) {
- error = (*tdvp->v_op[vnop_remove_desc.vdesc_offset])(&args);
+ error = (*tdvp->v_op[vnop_remove_desc.vdesc_offset])(&args);
+#ifndef __LP64__
if (fdvp_unsafe != NULLVP)
- unlock_fsnode(tond.ni_vp, NULL);
+ unlock_fsnode(dst_attr_vp, NULL);
+#endif /* __LP64__ */
if (error == 0)
- vnode_setneedinactive(tond.ni_vp);
+ vnode_setneedinactive(dst_attr_vp);
}
- vnode_put(tond.ni_vp);
- nameidone(&tond);
- goto out;
- }
-
- /*
- * Get destination attribute file vnode.
- */
- NDINIT(&tond, RENAME,
- NOCACHE | NOFOLLOW | USEDVP, UIO_SYSSPACE,
- CAST_USER_ADDR_T(xtoname), context);
- tond.ni_dvp = tdvp;
- error = namei(&tond);
-
- if (error) {
- vnode_put(fromnd.ni_vp);
- nameidone(&fromnd);
- goto out;
- }
- a.a_desc = &vnop_rename_desc;
- a.a_fdvp = fdvp;
- a.a_fvp = fromnd.ni_vp;
- a.a_fcnp = &fromnd.ni_cnd;
- a.a_tdvp = tdvp;
- a.a_tvp = tond.ni_vp;
- a.a_tcnp = &tond.ni_cnd;
- a.a_context = context;
-
- if (fdvp_unsafe != NULLVP) {
- /*
- * Lock in vnode address order to avoid deadlocks
+
+ /* kevent notification for deleting the destination's attribute file
+ * if it existed. Only need to post the delete on the destination, since
+ * the code below will handle the directories.
*/
- if (tond.ni_vp == NULL || tond.ni_vp == fromnd.ni_vp) {
- lock_first = fromnd.ni_vp;
- lock_second = NULL;
- } else if (fromnd.ni_vp < tond.ni_vp) {
- lock_first = fromnd.ni_vp;
- lock_second = tond.ni_vp;
- } else {
- lock_first = tond.ni_vp;
- lock_second = fromnd.ni_vp;
- }
- if ( (error = lock_fsnode(lock_first, NULL)) == 0) {
- if (lock_second != NULL && (error = lock_fsnode(lock_second, NULL)) )
- unlock_fsnode(lock_first, NULL);
- }
- }
- if (error == 0) {
- error = (*fdvp->v_op[vnop_rename_desc.vdesc_offset])(&a);
-
- if (fdvp_unsafe != NULLVP) {
- if (lock_second != NULL)
- unlock_fsnode(lock_second, NULL);
- unlock_fsnode(lock_first, NULL);
- }
- if (error == 0) {
- vnode_setneedinactive(fromnd.ni_vp);
-
- if (tond.ni_vp && tond.ni_vp != fromnd.ni_vp)
- vnode_setneedinactive(tond.ni_vp);
- }
- }
- vnode_put(fromnd.ni_vp);
- if (tond.ni_vp) {
- vnode_put(tond.ni_vp);
+ post_event_if_success(dst_attr_vp, error, NOTE_DELETE);
}
- nameidone(&tond);
- nameidone(&fromnd);
}
out:
+ if (src_attr_vp) {
+ vnode_put(src_attr_vp);
+ nameidone(&fromnd);
+ }
+ if (dst_attr_vp) {
+ vnode_put(dst_attr_vp);
+ nameidone(&tond);
+ }
+
if (xfromname && xfromname != &smallname1[0]) {
FREE(xfromname, M_TEMP);
}
if (xtoname && xtoname != &smallname2[0]) {
FREE(xtoname, M_TEMP);
}
+
+#ifndef __LP64__
out1:
if (fdvp_unsafe != NULLVP) {
if (tdvp_unsafe != NULLVP)
unlock_fsnode(tdvp_unsafe, NULL);
unlock_fsnode(fdvp_unsafe, &funnel_state);
}
+#endif /* __LP64__ */
+
+ /* Wrote at least one directory. If transplanted a dir, also changed link counts */
+ if (0 == _err) {
+ events = NOTE_WRITE;
+ if (vnode_isdir(fvp)) {
+ /* Link count on dir changed only if we are moving a dir and...
+ * --Moved to new dir, not overwriting there
+ * --Kept in same dir and DID overwrite
+ */
+ if (((fdvp != tdvp) && (!tvp)) || ((fdvp == tdvp) && (tvp))) {
+ events |= NOTE_LINK;
+ }
+ }
+
+ lock_vnode_and_post(fdvp, events);
+ if (fdvp != tdvp) {
+ lock_vnode_and_post(tdvp, events);
+ }
+
+ /* If you're replacing the target, post a deletion for it */
+ if (tvp)
+ {
+ lock_vnode_and_post(tvp, NOTE_DELETE);
+ }
+
+ lock_vnode_and_post(fvp, NOTE_RENAME);
+ }
+
return (_err);
}
#endif /* 0*/
errno_t
VNOP_MKDIR(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp,
- struct vnode_attr *vap, vfs_context_t context)
+ struct vnode_attr *vap, vfs_context_t ctx)
{
int _err;
struct vnop_mkdir_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_mkdir_desc;
a.a_dvp = dvp;
a.a_vpp = vpp;
a.a_cnp = cnp;
a.a_vap = vap;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(dvp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(dvp);
if (!thread_safe) {
if ( (_err = lock_fsnode(dvp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*dvp->v_op[vnop_mkdir_desc.vdesc_offset])(&a);
if (_err == 0 && !NATIVE_XATTR(dvp)) {
/*
* Remove stale Apple Double file (if any).
*/
- xattrfile_remove(dvp, cnp->cn_nameptr, context, thread_safe, 0);
+ xattrfile_remove(dvp, cnp->cn_nameptr, ctx, 0);
}
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(dvp, &funnel_state);
}
+#endif /* __LP64__ */
+
+ post_event_if_success(dvp, _err, NOTE_LINK | NOTE_WRITE);
+
return (_err);
}
#endif /* 0*/
errno_t
-VNOP_RMDIR(struct vnode *dvp, struct vnode *vp, struct componentname *cnp, vfs_context_t context)
+VNOP_RMDIR(struct vnode *dvp, struct vnode *vp, struct componentname *cnp, vfs_context_t ctx)
{
int _err;
struct vnop_rmdir_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_rmdir_desc;
a.a_dvp = dvp;
a.a_vp = vp;
a.a_cnp = cnp;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(dvp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(dvp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_rmdir_desc.vdesc_offset])(&a);
if (_err == 0) {
if ( !(NATIVE_XATTR(dvp)) ) {
/*
- * Remove any associated extended attibute file (._ AppleDouble file).
+ * Remove any associated extended attribute file (._ AppleDouble file).
*/
- xattrfile_remove(dvp, cnp->cn_nameptr, context, thread_safe, 1);
+ xattrfile_remove(dvp, cnp->cn_nameptr, ctx, 1);
}
}
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
+ /* If you delete a dir, it loses its "." reference --> NOTE_LINK */
+ post_event_if_success(vp, _err, NOTE_DELETE | NOTE_LINK);
+ post_event_if_success(dvp, _err, NOTE_LINK | NOTE_WRITE);
+
return (_err);
}
*/
#define AD_STALE_SECS (180)
static void
-xattrfile_remove(vnode_t dvp, const char * basename, vfs_context_t context, int thread_safe, int force) {
+xattrfile_remove(vnode_t dvp, const char * basename, vfs_context_t ctx, int force)
+{
vnode_t xvp;
struct nameidata nd;
char smallname[64];
MALLOC(filename, char *, len, M_TEMP, M_WAITOK);
len = snprintf(filename, len, "._%s", basename);
}
- NDINIT(&nd, DELETE, LOCKLEAF | NOFOLLOW | USEDVP, UIO_SYSSPACE,
- CAST_USER_ADDR_T(filename), context);
+ NDINIT(&nd, DELETE, WANTPARENT | LOCKLEAF | NOFOLLOW | USEDVP, UIO_SYSSPACE,
+ CAST_USER_ADDR_T(filename), ctx);
nd.ni_dvp = dvp;
if (namei(&nd) != 0)
goto out2;
VATTR_INIT(&va);
VATTR_WANTED(&va, va_data_size);
VATTR_WANTED(&va, va_modify_time);
- if (VNOP_GETATTR(xvp, &va, context) == 0 &&
+ if (VNOP_GETATTR(xvp, &va, ctx) == 0 &&
VATTR_IS_SUPPORTED(&va, va_data_size) &&
VATTR_IS_SUPPORTED(&va, va_modify_time) &&
va.va_data_size != 0) {
if (force) {
struct vnop_remove_args a;
int error;
+#ifndef __LP64__
+ int thread_safe = THREAD_SAFE_FS(dvp);
+#endif /* __LP64__ */
a.a_desc = &vnop_remove_desc;
a.a_dvp = nd.ni_dvp;
a.a_vp = xvp;
a.a_cnp = &nd.ni_cnd;
- a.a_context = context;
+ a.a_context = ctx;
+#ifndef __LP64__
if (!thread_safe) {
if ( (lock_fsnode(xvp, NULL)) )
goto out1;
}
+#endif /* __LP64__ */
+
error = (*dvp->v_op[vnop_remove_desc.vdesc_offset])(&a);
+#ifndef __LP64__
if (!thread_safe)
unlock_fsnode(xvp, NULL);
+#endif /* __LP64__ */
if (error == 0)
vnode_setneedinactive(xvp);
+
+ post_event_if_success(xvp, error, NOTE_DELETE);
+ post_event_if_success(dvp, error, NOTE_WRITE);
}
+
out1:
- /* Note: nd.ni_dvp's iocount is dropped by caller of VNOP_XXXX */
+ vnode_put(dvp);
vnode_put(xvp);
out2:
if (filename && filename != &smallname[0]) {
*/
static void
xattrfile_setattr(vnode_t dvp, const char * basename, struct vnode_attr * vap,
- vfs_context_t context, int thread_safe) {
+ vfs_context_t ctx)
+{
vnode_t xvp;
struct nameidata nd;
char smallname[64];
len = snprintf(filename, len, "._%s", basename);
}
NDINIT(&nd, LOOKUP, NOFOLLOW | USEDVP, UIO_SYSSPACE,
- CAST_USER_ADDR_T(filename), context);
+ CAST_USER_ADDR_T(filename), ctx);
nd.ni_dvp = dvp;
if (namei(&nd) != 0)
goto out2;
nameidone(&nd);
if (xvp->v_type == VREG) {
+#ifndef __LP64__
+ int thread_safe = THREAD_SAFE_FS(dvp);
+#endif /* __LP64__ */
struct vnop_setattr_args a;
a.a_desc = &vnop_setattr_desc;
a.a_vp = xvp;
a.a_vap = vap;
- a.a_context = context;
+ a.a_context = ctx;
+#ifndef __LP64__
if (!thread_safe) {
if ( (lock_fsnode(xvp, NULL)) )
goto out1;
}
+#endif /* __LP64__ */
+
(void) (*xvp->v_op[vnop_setattr_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(xvp, NULL);
}
+#endif /* __LP64__ */
}
+
+
+#ifndef __LP64__
out1:
+#endif /* __LP64__ */
vnode_put(xvp);
+
out2:
if (filename && filename != &smallname[0]) {
FREE(filename, M_TEMP);
#endif /* 0*/
errno_t
VNOP_SYMLINK(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp,
- struct vnode_attr *vap, char *target, vfs_context_t context)
+ struct vnode_attr *vap, char *target, vfs_context_t ctx)
{
int _err;
struct vnop_symlink_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_symlink_desc;
a.a_dvp = dvp;
a.a_cnp = cnp;
a.a_vap = vap;
a.a_target = target;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(dvp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(dvp);
if (!thread_safe) {
if ( (_err = lock_fsnode(dvp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*dvp->v_op[vnop_symlink_desc.vdesc_offset])(&a);
if (_err == 0 && !NATIVE_XATTR(dvp)) {
/*
- * Remove stale Apple Double file (if any).
+ * Remove stale Apple Double file (if any). Posts its own knotes
*/
- xattrfile_remove(dvp, cnp->cn_nameptr, context, thread_safe, 0);
+ xattrfile_remove(dvp, cnp->cn_nameptr, ctx, 0);
}
- if (!thread_safe) {
- unlock_fsnode(dvp, &funnel_state);
- }
- return (_err);
+
+
+#ifndef __LP64__
+ if (!thread_safe) {
+ unlock_fsnode(dvp, &funnel_state);
+ }
+#endif /* __LP64__ */
+
+ post_event_if_success(dvp, _err, NOTE_WRITE);
+
+ return (_err);
}
#if 0
#endif /* 0*/
errno_t
VNOP_READDIR(struct vnode *vp, struct uio *uio, int flags, int *eofflag,
- int *numdirent, vfs_context_t context)
+ int *numdirent, vfs_context_t ctx)
{
int _err;
struct vnop_readdir_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_readdir_desc;
a.a_vp = vp;
a.a_flags = flags;
a.a_eofflag = eofflag;
a.a_numdirent = numdirent;
- a.a_context = context;
+ a.a_context = ctx;
+#ifndef __LP64__
thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_readdir_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
return (_err);
}
vnode_t a_vp;
struct attrlist *a_alist;
struct uio *a_uio;
- u_long a_maxcount;
- u_long a_options;
- u_long *a_newstate;
+ uint32_t a_maxcount;
+ uint32_t a_options;
+ uint32_t *a_newstate;
int *a_eofflag;
- u_long *a_actualcount;
+ uint32_t *a_actualcount;
vfs_context_t a_context;
};
#endif /* 0*/
errno_t
-VNOP_READDIRATTR(struct vnode *vp, struct attrlist *alist, struct uio *uio, u_long maxcount,
- u_long options, u_long *newstate, int *eofflag, u_long *actualcount, vfs_context_t context)
+VNOP_READDIRATTR(struct vnode *vp, struct attrlist *alist, struct uio *uio, uint32_t maxcount,
+ uint32_t options, uint32_t *newstate, int *eofflag, uint32_t *actualcount, vfs_context_t ctx)
{
int _err;
struct vnop_readdirattr_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_readdirattr_desc;
a.a_vp = vp;
a.a_newstate = newstate;
a.a_eofflag = eofflag;
a.a_actualcount = actualcount;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_readdirattr_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif /* 0 */
+/*
+ * Returns: 0 Success
+ * lock_fsnode:ENOENT No such file or directory [only for VFS
+ * that is not thread safe & vnode is
+ * currently being/has been terminated]
+ * <vfs_readlink>:EINVAL
+ * <vfs_readlink>:???
+ *
+ * Note: The return codes from the underlying VFS's readlink routine
+ * can't be fully enumerated here, since third party VFS authors
+ * may not limit their error returns to the ones documented here,
+ * even though this may result in some programs functioning
+ * incorrectly.
+ *
+ * The return codes documented above are those which may currently
+ * be returned by HFS from hfs_vnop_readlink, not including
+ * additional error code which may be propagated from underlying
+ * routines.
+ */
errno_t
-VNOP_READLINK(struct vnode *vp, struct uio *uio, vfs_context_t context)
+VNOP_READLINK(struct vnode *vp, struct uio *uio, vfs_context_t ctx)
{
int _err;
struct vnop_readlink_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_readlink_desc;
a.a_vp = vp;
a.a_uio = uio;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_readlink_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_INACTIVE(struct vnode *vp, vfs_context_t context)
+VNOP_INACTIVE(struct vnode *vp, vfs_context_t ctx)
{
int _err;
struct vnop_inactive_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_inactive_desc;
a.a_vp = vp;
- a.a_context = context;
+ a.a_context = ctx;
+
+#ifndef __LP64__
thread_safe = THREAD_SAFE_FS(vp);
-
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_inactive_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
+#if NAMEDSTREAMS
+ /* For file systems that do not support namedstream natively, mark
+ * the shadow stream file vnode to be recycled as soon as the last
+ * reference goes away. To avoid re-entering reclaim code, do not
+ * call recycle on terminating namedstream vnodes.
+ */
+ if (vnode_isnamedstream(vp) &&
+ (vp->v_parent != NULLVP) &&
+ vnode_isshadow(vp) &&
+ ((vp->v_lflag & VL_TERMINATE) == 0)) {
+ vnode_recycle(vp);
+ }
+#endif
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_RECLAIM(struct vnode *vp, vfs_context_t context)
+VNOP_RECLAIM(struct vnode *vp, vfs_context_t ctx)
{
int _err;
struct vnop_reclaim_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_reclaim_desc;
a.a_vp = vp;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_reclaim_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
+/*
+ * Returns: 0 Success
+ * lock_fsnode:ENOENT No such file or directory [only for VFS
+ * that is not thread safe & vnode is
+ * currently being/has been terminated]
+ * <vnop_pathconf_desc>:??? [per FS implementation specific]
+ */
#if 0
/*
*#
struct vnodeop_desc *a_desc;
vnode_t a_vp;
int a_name;
- register_t *a_retval;
+ int32_t *a_retval;
vfs_context_t a_context;
};
#endif /* 0*/
errno_t
-VNOP_PATHCONF(struct vnode *vp, int name, register_t *retval, vfs_context_t context)
+VNOP_PATHCONF(struct vnode *vp, int name, int32_t *retval, vfs_context_t ctx)
{
int _err;
struct vnop_pathconf_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_pathconf_desc;
a.a_vp = vp;
a.a_name = name;
a.a_retval = retval;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_pathconf_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
+/*
+ * Returns: 0 Success
+ * err_advlock:ENOTSUP
+ * lf_advlock:???
+ * <vnop_advlock_desc>:???
+ *
+ * Notes: VFS implementations of advisory locking using calls through
+ * <vnop_advlock_desc> because lock enforcement does not occur
+ * locally should try to limit themselves to the return codes
+ * documented above for lf_advlock and err_advlock.
+ */
#if 0
/*
*#
};
#endif /* 0*/
errno_t
-VNOP_ADVLOCK(struct vnode *vp, caddr_t id, int op, struct flock *fl, int flags, vfs_context_t context)
+VNOP_ADVLOCK(struct vnode *vp, caddr_t id, int op, struct flock *fl, int flags, vfs_context_t ctx)
{
int _err;
struct vnop_advlock_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct uthread * uth;
+#endif /* __LP64__ */
a.a_desc = &vnop_advlock_desc;
a.a_vp = vp;
a.a_op = op;
a.a_fl = fl;
a.a_flags = flags;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
- uth = get_bsdthread_info(current_thread());
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
+#endif /* __LP64__ */
+
/* Disallow advisory locking on non-seekable vnodes */
if (vnode_isfifo(vp)) {
_err = err_advlock(&a);
_err = (*vp->v_op[vnop_advlock_desc.vdesc_offset])(&a);
}
}
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
#endif /* 0*/
errno_t
-VNOP_ALLOCATE(struct vnode *vp, off_t length, u_int32_t flags, off_t *bytesallocated, off_t offset, vfs_context_t context)
+VNOP_ALLOCATE(struct vnode *vp, off_t length, u_int32_t flags, off_t *bytesallocated, off_t offset, vfs_context_t ctx)
{
int _err;
struct vnop_allocate_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_allocate_desc;
a.a_vp = vp;
a.a_flags = flags;
a.a_bytesallocated = bytesallocated;
a.a_offset = offset;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_allocate_desc.vdesc_offset])(&a);
+#if CONFIG_FSE
+ if (_err == 0) {
+ add_fsevent(FSE_STAT_CHANGED, ctx, FSE_ARG_VNODE, vp, FSE_ARG_DONE);
+ }
+#endif
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
struct vnodeop_desc *a_desc;
vnode_t a_vp;
upl_t a_pl;
- vm_offset_t a_pl_offset;
+ upl_offset_t a_pl_offset;
off_t a_f_offset;
size_t a_size;
int a_flags;
};
#endif /* 0*/
errno_t
-VNOP_PAGEIN(struct vnode *vp, upl_t pl, vm_offset_t pl_offset, off_t f_offset, size_t size, int flags, vfs_context_t context)
+VNOP_PAGEIN(struct vnode *vp, upl_t pl, upl_offset_t pl_offset, off_t f_offset, size_t size, int flags, vfs_context_t ctx)
{
int _err;
struct vnop_pagein_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_pagein_desc;
a.a_vp = vp;
a.a_f_offset = f_offset;
a.a_size = size;
a.a_flags = flags;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_pagein_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
struct vnodeop_desc *a_desc;
vnode_t a_vp;
upl_t a_pl;
- vm_offset_t a_pl_offset;
+ upl_offset_t a_pl_offset;
off_t a_f_offset;
size_t a_size;
int a_flags;
#endif /* 0*/
errno_t
-VNOP_PAGEOUT(struct vnode *vp, upl_t pl, vm_offset_t pl_offset, off_t f_offset, size_t size, int flags, vfs_context_t context)
+VNOP_PAGEOUT(struct vnode *vp, upl_t pl, upl_offset_t pl_offset, off_t f_offset, size_t size, int flags, vfs_context_t ctx)
{
int _err;
struct vnop_pageout_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_pageout_desc;
a.a_vp = vp;
a.a_f_offset = f_offset;
a.a_size = size;
a.a_flags = flags;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_pageout_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
+ post_event_if_success(vp, _err, NOTE_WRITE);
+
return (_err);
}
void *a_searchparams1;
void *a_searchparams2;
struct attrlist *a_searchattrs;
- u_long a_maxmatches;
+ uint32_t a_maxmatches;
struct timeval *a_timelimit;
struct attrlist *a_returnattrs;
- u_long *a_nummatches;
- u_long a_scriptcode;
- u_long a_options;
+ uint32_t *a_nummatches;
+ uint32_t a_scriptcode;
+ uint32_t a_options;
struct uio *a_uio;
struct searchstate *a_searchstate;
vfs_context_t a_context;
#endif /* 0*/
errno_t
-VNOP_SEARCHFS(struct vnode *vp, void *searchparams1, void *searchparams2, struct attrlist *searchattrs, u_long maxmatches, struct timeval *timelimit, struct attrlist *returnattrs, u_long *nummatches, u_long scriptcode, u_long options, struct uio *uio, struct searchstate *searchstate, vfs_context_t context)
+VNOP_SEARCHFS(struct vnode *vp, void *searchparams1, void *searchparams2, struct attrlist *searchattrs, uint32_t maxmatches, struct timeval *timelimit, struct attrlist *returnattrs, uint32_t *nummatches, uint32_t scriptcode, uint32_t options, struct uio *uio, struct searchstate *searchstate, vfs_context_t ctx)
{
int _err;
struct vnop_searchfs_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_searchfs_desc;
a.a_vp = vp;
a.a_options = options;
a.a_uio = uio;
a.a_searchstate = searchstate;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_searchfs_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
#endif /* 0*/
errno_t
VNOP_COPYFILE(struct vnode *fvp, struct vnode *tdvp, struct vnode *tvp, struct componentname *tcnp,
- int mode, int flags, vfs_context_t context)
+ int mode, int flags, vfs_context_t ctx)
{
int _err;
struct vnop_copyfile_args a;
a.a_tcnp = tcnp;
a.a_mode = mode;
a.a_flags = flags;
- a.a_context = context;
+ a.a_context = ctx;
_err = (*fvp->v_op[vnop_copyfile_desc.vdesc_offset])(&a);
return (_err);
}
-
errno_t
-VNOP_GETXATTR(vnode_t vp, const char *name, uio_t uio, size_t *size, int options, vfs_context_t context)
+VNOP_GETXATTR(vnode_t vp, const char *name, uio_t uio, size_t *size, int options, vfs_context_t ctx)
{
struct vnop_getxattr_args a;
int error;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_getxattr_desc;
a.a_vp = vp;
a.a_uio = uio;
a.a_size = size;
a.a_options = options;
- a.a_context = context;
+ a.a_context = ctx;
+#ifndef __LP64__
thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (error = lock_fsnode(vp, &funnel_state)) ) {
return (error);
}
}
+#endif /* __LP64__ */
+
error = (*vp->v_op[vnop_getxattr_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
return (error);
}
errno_t
-VNOP_SETXATTR(vnode_t vp, const char *name, uio_t uio, int options, vfs_context_t context)
+VNOP_SETXATTR(vnode_t vp, const char *name, uio_t uio, int options, vfs_context_t ctx)
{
struct vnop_setxattr_args a;
int error;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_setxattr_desc;
a.a_vp = vp;
a.a_name = name;
a.a_uio = uio;
a.a_options = options;
- a.a_context = context;
+ a.a_context = ctx;
+#ifndef __LP64__
thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (error = lock_fsnode(vp, &funnel_state)) ) {
return (error);
}
}
+#endif /* __LP64__ */
+
error = (*vp->v_op[vnop_setxattr_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
+ if (error == 0)
+ vnode_uncache_authorized_action(vp, KAUTH_INVALIDATE_CACHED_RIGHTS);
+
+ post_event_if_success(vp, error, NOTE_ATTRIB);
+
return (error);
}
errno_t
-VNOP_REMOVEXATTR(vnode_t vp, const char *name, int options, vfs_context_t context)
+VNOP_REMOVEXATTR(vnode_t vp, const char *name, int options, vfs_context_t ctx)
{
struct vnop_removexattr_args a;
int error;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_removexattr_desc;
a.a_vp = vp;
a.a_name = name;
a.a_options = options;
- a.a_context = context;
+ a.a_context = ctx;
+#ifndef __LP64__
thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (error = lock_fsnode(vp, &funnel_state)) ) {
return (error);
}
}
+#endif /* __LP64__ */
+
error = (*vp->v_op[vnop_removexattr_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
+ post_event_if_success(vp, error, NOTE_ATTRIB);
+
return (error);
}
errno_t
-VNOP_LISTXATTR(vnode_t vp, uio_t uio, size_t *size, int options, vfs_context_t context)
+VNOP_LISTXATTR(vnode_t vp, uio_t uio, size_t *size, int options, vfs_context_t ctx)
{
struct vnop_listxattr_args a;
int error;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_listxattr_desc;
a.a_vp = vp;
a.a_uio = uio;
a.a_size = size;
a.a_options = options;
- a.a_context = context;
+ a.a_context = ctx;
+#ifndef __LP64__
thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (error = lock_fsnode(vp, &funnel_state)) ) {
return (error);
}
}
+#endif /* __LP64__ */
+
error = (*vp->v_op[vnop_listxattr_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
return (error);
}
{
int _err;
struct vnop_blktooff_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_blktooff_desc;
a.a_vp = vp;
a.a_lblkno = lblkno;
a.a_offset = offset;
- thread_safe = THREAD_SAFE_FS(vp);
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_blktooff_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
{
int _err;
struct vnop_offtoblk_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = &vnop_offtoblk_desc;
a.a_vp = vp;
a.a_offset = offset;
a.a_lblkno = lblkno;
- thread_safe = THREAD_SAFE_FS(vp);
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_offtoblk_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif /* 0*/
errno_t
-VNOP_BLOCKMAP(struct vnode *vp, off_t foffset, size_t size, daddr64_t *bpn, size_t *run, void *poff, int flags, vfs_context_t context)
+VNOP_BLOCKMAP(struct vnode *vp, off_t foffset, size_t size, daddr64_t *bpn, size_t *run, void *poff, int flags, vfs_context_t ctx)
{
int _err;
struct vnop_blockmap_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
- struct vfs_context acontext;
+#endif /* __LP64__ */
- if (context == NULL) {
- acontext.vc_proc = current_proc();
- acontext.vc_ucred = kauth_cred_get();
- context = &acontext;
+ if (ctx == NULL) {
+ ctx = vfs_context_current();
}
a.a_desc = &vnop_blockmap_desc;
a.a_vp = vp;
a.a_run = run;
a.a_poff = poff;
a.a_flags = flags;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
funnel_state = thread_funnel_set(kernel_flock, TRUE);
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_blockmap_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
(void) thread_funnel_set(kernel_flock, funnel_state);
}
+#endif /* __LP64__ */
+
return (_err);
}
};
#endif
errno_t
-VNOP_KQFILT_ADD(struct vnode *vp, struct knote *kn, vfs_context_t context)
+VNOP_KQFILT_ADD(struct vnode *vp, struct knote *kn, vfs_context_t ctx)
{
int _err;
struct vnop_kqfilt_add_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = VDESC(vnop_kqfilt_add);
a.a_vp = vp;
a.a_kn = kn;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_kqfilt_add_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
return(_err);
}
};
#endif
errno_t
-VNOP_KQFILT_REMOVE(struct vnode *vp, uintptr_t ident, vfs_context_t context)
+VNOP_KQFILT_REMOVE(struct vnode *vp, uintptr_t ident, vfs_context_t ctx)
{
int _err;
struct vnop_kqfilt_remove_args a;
+#ifndef __LP64__
int thread_safe;
int funnel_state = 0;
+#endif /* __LP64__ */
a.a_desc = VDESC(vnop_kqfilt_remove);
a.a_vp = vp;
a.a_ident = ident;
- a.a_context = context;
- thread_safe = THREAD_SAFE_FS(vp);
+ a.a_context = ctx;
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
if (!thread_safe) {
if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
return (_err);
}
}
+#endif /* __LP64__ */
+
_err = (*vp->v_op[vnop_kqfilt_remove_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
+ if (!thread_safe) {
+ unlock_fsnode(vp, &funnel_state);
+ }
+#endif /* __LP64__ */
+
+ return(_err);
+}
+
+errno_t
+VNOP_MONITOR(vnode_t vp, uint32_t events, uint32_t flags, void *handle, vfs_context_t ctx)
+{
+ int _err;
+ struct vnop_monitor_args a;
+#ifndef __LP64__
+ int thread_safe;
+ int funnel_state = 0;
+#endif /* __LP64__ */
+
+ a.a_desc = VDESC(vnop_monitor);
+ a.a_vp = vp;
+ a.a_events = events;
+ a.a_flags = flags;
+ a.a_handle = handle;
+ a.a_context = ctx;
+
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
+ if (!thread_safe) {
+ if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
+ return (_err);
+ }
+ }
+#endif /* __LP64__ */
+
+ _err = (*vp->v_op[vnop_monitor_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
if (!thread_safe) {
unlock_fsnode(vp, &funnel_state);
}
+#endif /* __LP64__ */
+
return(_err);
}
+#if 0
+struct vnop_setlabel_args {
+ struct vnodeop_desc *a_desc;
+ struct vnode *a_vp;
+ struct label *a_vl;
+ vfs_context_t a_context;
+};
+#endif
+errno_t
+VNOP_SETLABEL(struct vnode *vp, struct label *label, vfs_context_t ctx)
+{
+ int _err;
+ struct vnop_setlabel_args a;
+#ifndef __LP64__
+ int thread_safe;
+ int funnel_state = 0;
+#endif /* __LP64__ */
+
+ a.a_desc = VDESC(vnop_setlabel);
+ a.a_vp = vp;
+ a.a_vl = label;
+ a.a_context = ctx;
+
+#ifndef __LP64__
+ thread_safe = THREAD_SAFE_FS(vp);
+ if (!thread_safe) {
+ if ( (_err = lock_fsnode(vp, &funnel_state)) ) {
+ return (_err);
+ }
+ }
+#endif /* __LP64__ */
+
+ _err = (*vp->v_op[vnop_setlabel_desc.vdesc_offset])(&a);
+
+#ifndef __LP64__
+ if (!thread_safe) {
+ unlock_fsnode(vp, &funnel_state);
+ }
+#endif /* __LP64__ */
+
+ return(_err);
+}
+
+
+#if NAMEDSTREAMS
+/*
+ * Get a named streamed
+ */
+errno_t
+VNOP_GETNAMEDSTREAM(vnode_t vp, vnode_t *svpp, const char *name, enum nsoperation operation, int flags, vfs_context_t ctx)
+{
+ struct vnop_getnamedstream_args a;
+
+#ifndef __LP64__
+ if (!THREAD_SAFE_FS(vp))
+ return (ENOTSUP);
+#endif /* __LP64__ */
+
+ a.a_desc = &vnop_getnamedstream_desc;
+ a.a_vp = vp;
+ a.a_svpp = svpp;
+ a.a_name = name;
+ a.a_operation = operation;
+ a.a_flags = flags;
+ a.a_context = ctx;
+
+ return (*vp->v_op[vnop_getnamedstream_desc.vdesc_offset])(&a);
+}
+
+/*
+ * Create a named streamed
+ */
+errno_t
+VNOP_MAKENAMEDSTREAM(vnode_t vp, vnode_t *svpp, const char *name, int flags, vfs_context_t ctx)
+{
+ struct vnop_makenamedstream_args a;
+
+#ifndef __LP64__
+ if (!THREAD_SAFE_FS(vp))
+ return (ENOTSUP);
+#endif /* __LP64__ */
+
+ a.a_desc = &vnop_makenamedstream_desc;
+ a.a_vp = vp;
+ a.a_svpp = svpp;
+ a.a_name = name;
+ a.a_flags = flags;
+ a.a_context = ctx;
+
+ return (*vp->v_op[vnop_makenamedstream_desc.vdesc_offset])(&a);
+}
+
+
+/*
+ * Remove a named streamed
+ */
+errno_t
+VNOP_REMOVENAMEDSTREAM(vnode_t vp, vnode_t svp, const char *name, int flags, vfs_context_t ctx)
+{
+ struct vnop_removenamedstream_args a;
+
+#ifndef __LP64__
+ if (!THREAD_SAFE_FS(vp))
+ return (ENOTSUP);
+#endif /* __LP64__ */
+
+ a.a_desc = &vnop_removenamedstream_desc;
+ a.a_vp = vp;
+ a.a_svp = svp;
+ a.a_name = name;
+ a.a_flags = flags;
+ a.a_context = ctx;
+
+ return (*vp->v_op[vnop_removenamedstream_desc.vdesc_offset])(&a);
+}
+#endif
projects / apple / xnu.git / blobdiff