/*
- * Copyright (c) 2000-2014 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2017 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
struct vnode_attr * vap, vfs_context_t ctx);
#endif /* CONFIG_APPLEDOUBLE */
+static errno_t post_rename(vnode_t fdvp, vnode_t fvp, vnode_t tdvp, vnode_t tvp);
+
/*
* vnode_setneedinactive
*
*
* 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
+ * for a call to hfs_vget on the volume mount point, not including
* additional error codes which may be propagated from underlying
* routines called by hfs_vget.
*/
}
int
-VFS_FHTOVP(mount_t mp, int fhlen, unsigned char * fhp, vnode_t * vpp, vfs_context_t ctx)
+VFS_FHTOVP(mount_t mp, int fhlen, unsigned char *fhp, vnode_t *vpp, vfs_context_t ctx)
{
int error;
}
int
-VFS_VPTOFH(struct vnode * vp, int *fhlenp, unsigned char * fhp, vfs_context_t ctx)
+VFS_VPTOFH(struct vnode *vp, int *fhlenp, unsigned char *fhp, vfs_context_t ctx)
{
int error;
return(error);
}
+int VFS_IOCTL(struct mount *mp, u_long command, caddr_t data,
+ int flags, vfs_context_t context)
+{
+ if (mp == dead_mountp || !mp->mnt_op->vfs_ioctl)
+ return ENOTSUP;
+
+ return mp->mnt_op->vfs_ioctl(mp, command, data, flags,
+ context ?: vfs_context_current());
+}
+
+int
+VFS_VGET_SNAPDIR(mount_t mp, vnode_t *vpp, vfs_context_t ctx)
+{
+ int error;
+
+ if ((mp == dead_mountp) || (mp->mnt_op->vfs_vget_snapdir == 0))
+ return(ENOTSUP);
+
+ if (ctx == NULL)
+ ctx = vfs_context_current();
+
+ error = (*mp->mnt_op->vfs_vget_snapdir)(mp, vpp, ctx);
+
+ return (error);
+}
/* returns the cached throttle mask for the mount_t */
uint64_t
/* returns a copy of vfs type name for the mount_t */
void
-vfs_name(mount_t mp, char * buffer)
+vfs_name(mount_t mp, char *buffer)
{
strncpy(buffer, mp->mnt_vtable->vfc_name, MFSNAMELEN);
}
mount_unlock(mp);
}
+void
+vfs_setnoswap(mount_t mp)
+{
+ mount_lock(mp);
+ mp->mnt_kern_flag |= MNTK_NOSWAP;
+ mount_unlock(mp);
+}
+
+void
+vfs_clearnoswap(mount_t mp)
+{
+ mount_lock(mp);
+ mp->mnt_kern_flag &= ~MNTK_NOSWAP;
+ mount_unlock(mp);
+}
+
int
vfs_extendedsecurity(mount_t mp)
{
void
vfs_ioattr(mount_t mp, struct vfsioattr *ioattrp)
{
- if (mp == NULL) {
- ioattrp->io_maxreadcnt = MAXPHYS;
+ ioattrp->io_reserved[0] = NULL;
+ ioattrp->io_reserved[1] = NULL;
+ if (mp == NULL) {
+ ioattrp->io_maxreadcnt = MAXPHYS;
ioattrp->io_maxwritecnt = MAXPHYS;
ioattrp->io_segreadcnt = 32;
ioattrp->io_segwritecnt = 32;
ioattrp->io_maxsegwritesize = MAXPHYS;
ioattrp->io_devblocksize = DEV_BSIZE;
ioattrp->io_flags = 0;
+ ioattrp->io_max_swappin_available = 0;
} else {
- ioattrp->io_maxreadcnt = mp->mnt_maxreadcnt;
+ ioattrp->io_maxreadcnt = mp->mnt_maxreadcnt;
ioattrp->io_maxwritecnt = mp->mnt_maxwritecnt;
ioattrp->io_segreadcnt = mp->mnt_segreadcnt;
ioattrp->io_segwritecnt = mp->mnt_segwritecnt;
ioattrp->io_maxsegwritesize = mp->mnt_maxsegwritesize;
ioattrp->io_devblocksize = mp->mnt_devblocksize;
ioattrp->io_flags = mp->mnt_ioflags;
+ ioattrp->io_max_swappin_available = mp->mnt_max_swappin_available;
}
- ioattrp->io_reserved[0] = NULL;
- ioattrp->io_reserved[1] = NULL;
}
mp->mnt_maxsegwritesize = ioattrp->io_maxsegwritesize;
mp->mnt_devblocksize = ioattrp->io_devblocksize;
mp->mnt_ioflags = ioattrp->io_flags;
+ mp->mnt_max_swappin_available = ioattrp->io_max_swappin_available;
}
/*
typedef int (*PFI)(void *);
extern int vfs_opv_numops;
errno_t
-vfs_fsadd(struct vfs_fsentry *vfe, vfstable_t * handle)
+vfs_fsadd(struct vfs_fsentry *vfe, vfstable_t *handle)
{
struct vfstable *newvfstbl = NULL;
int i,j;
newvfstbl->vfc_vfsflags |= VFC_VFSNOMACLABEL;
if (vfe->vfe_flags & VFS_TBLVNOP_NOUPDATEID_RENAME)
newvfstbl->vfc_vfsflags |= VFC_VFSVNOP_NOUPDATEID_RENAME;
+ if (vfe->vfe_flags & VFS_TBLVNOP_SECLUDE_RENAME)
+ newvfstbl->vfc_vfsflags |= VFC_VFSVNOP_SECLUDE_RENAME;
+ if (vfe->vfe_flags & VFS_TBLCANMOUNTROOT)
+ newvfstbl->vfc_vfsflags |= VFC_VFSCANMOUNTROOT;
/*
* Allocate and init the vectors.
for (j = 0; vfe->vfe_opvdescs[i]->opv_desc_ops[j].opve_op; j++) {
opve_descp = &(vfe->vfe_opvdescs[i]->opv_desc_ops[j]);
+ /* Silently skip known-disabled operations */
+ if (opve_descp->opve_op->vdesc_flags & VDESC_DISABLED) {
+ printf("vfs_fsadd: Ignoring reference in %p to disabled operation %s.\n",
+ vfe->vfe_opvdescs[i], opve_descp->opve_op->vdesc_name);
+ continue;
+ }
+
/*
* Sanity check: is this operation listed
* in the list of operations? We check this
* list of supported operations.
*/
if (opve_descp->opve_op->vdesc_offset == 0 &&
- opve_descp->opve_op->vdesc_offset != VOFFSET(vnop_default)) {
+ opve_descp->opve_op != VDESC(vnop_default)) {
printf("vfs_fsadd: operation %s not listed in %s.\n",
opve_descp->opve_op->vdesc_name,
"vfs_op_descs");
* file system was added
*/
errno_t
-vfs_fsremove(vfstable_t handle)
+vfs_fsremove(vfstable_t handle)
{
struct vfstable * vfstbl = (struct vfstable *)handle;
void *old_desc = NULL;
return(err);
}
+void vfs_setowner(mount_t mp, uid_t uid, gid_t gid)
+{
+ mp->mnt_fsowner = uid;
+ mp->mnt_fsgroup = gid;
+}
+
+/*
+ * Callers should be careful how they use this; accessing
+ * mnt_last_write_completed_timestamp is not thread-safe. Writing to
+ * it isn't either. Point is: be prepared to deal with strange values
+ * being returned.
+ */
+uint64_t vfs_idle_time(mount_t mp)
+{
+ if (mp->mnt_pending_write_size)
+ return 0;
+
+ struct timeval now;
+
+ microuptime(&now);
+
+ return ((now.tv_sec
+ - mp->mnt_last_write_completed_timestamp.tv_sec) * 1000000
+ + now.tv_usec - mp->mnt_last_write_completed_timestamp.tv_usec);
+}
+
int
vfs_context_pid(vfs_context_t ctx)
{
return(kauth_cred_issuser(vfs_context_ucred(ctx)));
}
+int vfs_context_iskernel(vfs_context_t ctx)
+{
+ return ctx == &kerncontext;
+}
+
/*
* Given a context, for all fields of vfs_context_t which
* are not held with a reference, set those fields to the
return 0;
}
+int vfs_isswapmount(mount_t mnt)
+{
+ return mnt && ISSET(mnt->mnt_kern_flag, MNTK_SWAP_MOUNT) ? 1 : 0;
+}
+
/* XXXXXXXXXXXXXX VNODE KAPIS XXXXXXXXXXXXXXXXXXXXXXXXX */
vnode_unlock(vp);
}
+int
+vnode_isfastdevicecandidate(vnode_t vp)
+{
+ return ((vp->v_flag & VFASTDEVCANDIDATE)? 1 : 0);
+}
+
+void
+vnode_setfastdevicecandidate(vnode_t vp)
+{
+ vnode_lock_spin(vp);
+ vp->v_flag |= VFASTDEVCANDIDATE;
+ vnode_unlock(vp);
+}
+
+void
+vnode_clearfastdevicecandidate(vnode_t vp)
+{
+ vnode_lock_spin(vp);
+ vp->v_flag &= ~VFASTDEVCANDIDATE;
+ vnode_unlock(vp);
+}
+
+int
+vnode_isautocandidate(vnode_t vp)
+{
+ return ((vp->v_flag & VAUTOCANDIDATE)? 1 : 0);
+}
+
+void
+vnode_setautocandidate(vnode_t vp)
+{
+ vnode_lock_spin(vp);
+ vp->v_flag |= VAUTOCANDIDATE;
+ vnode_unlock(vp);
+}
+
+void
+vnode_clearautocandidate(vnode_t vp)
+{
+ vnode_lock_spin(vp);
+ vp->v_flag &= ~VAUTOCANDIDATE;
+ vnode_unlock(vp);
+}
+
+
+
/* mark vnode_t to skip vflush() is SKIPSYSTEM */
void
void
vnode_vfsname(vnode_t vp, char * buf)
{
- strncpy(buf, vp->v_mount->mnt_vtable->vfc_name, MFSNAMELEN);
+ strlcpy(buf, vp->v_mount->mnt_vtable->vfc_name, MFSNAMELEN);
}
/* return the FS type number */
fsec = NULL;
fsec_uio = NULL;
- error = 0;
-
+
/* find out how big the EA is */
- if (vn_getxattr(vp, KAUTH_FILESEC_XATTR, NULL, &xsize, XATTR_NOSECURITY, ctx) != 0) {
+ error = vn_getxattr(vp, KAUTH_FILESEC_XATTR, NULL, &xsize, XATTR_NOSECURITY, ctx);
+ if (error != 0) {
/* no EA, no filesec */
if ((error == ENOATTR) || (error == ENOENT) || (error == EJUSTRETURN))
error = 0;
/* how many entries would fit? */
fsec_size = KAUTH_FILESEC_COUNT(xsize);
+ if (fsec_size > KAUTH_ACL_MAX_ENTRIES) {
+ KAUTH_DEBUG(" ERROR - Bogus (too large) kauth_fiilesec_t: %ld bytes", xsize);
+ error = 0;
+ goto out;
+ }
/* get buffer and uio */
if (((fsec = kauth_filesec_alloc(fsec_size)) == NULL) ||
/*
* Returns: 0 Success
* ENOMEM Not enough space [only if has filesec]
+ * EINVAL Requested unknown attributes
* VNOP_GETATTR: ???
* vnode_get_filesec: ???
* kauth_cred_guid2uid: ???
uid_t nuid;
gid_t ngid;
+ /*
+ * Reject attempts to fetch unknown attributes.
+ */
+ if (vap->va_active & ~VNODE_ATTR_ALL)
+ return (EINVAL);
+
/* don't ask for extended security data if the filesystem doesn't support it */
if (!vfs_extendedsecurity(vnode_mount(vp))) {
VATTR_CLEAR_ACTIVE(vap, va_acl);
int
vnode_setattr(vnode_t vp, struct vnode_attr *vap, vfs_context_t ctx)
{
- int error, is_perm_change=0;
+ int error;
+#if CONFIG_FSE
+ uint64_t active;
+ int is_perm_change = 0;
+ int is_stat_change = 0;
+#endif
+
+ /*
+ * Reject attempts to set unknown attributes.
+ */
+ if (vap->va_active & ~VNODE_ATTR_ALL)
+ return (EINVAL);
/*
* Make sure the filesystem is mounted R/W.
error = EROFS;
goto out;
}
+
+#if DEVELOPMENT || DEBUG
+ /*
+ * XXX VSWAP: Check for entitlements or special flag here
+ * so we can restrict access appropriately.
+ */
+#else /* DEVELOPMENT || DEBUG */
+
+ if (vnode_isswap(vp) && (ctx != vfs_context_kernel())) {
+ error = EPERM;
+ goto out;
+ }
+#endif /* DEVELOPMENT || DEBUG */
+
#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)) {
goto out;
}
#endif
+ /* Check for truncation */
+ if(VATTR_IS_ACTIVE(vap, va_data_size)) {
+ switch(vp->v_type) {
+ case VREG:
+ /* For regular files it's ok */
+ break;
+ case VDIR:
+ /* Not allowed to truncate directories */
+ error = EISDIR;
+ goto out;
+ default:
+ /* For everything else we will clear the bit and let underlying FS decide on the rest */
+ VATTR_CLEAR_ACTIVE(vap, va_data_size);
+ if (vap->va_active)
+ break;
+ /* If it was the only bit set, return success, to handle cases like redirect to /dev/null */
+ return (0);
+ }
+ }
/*
* 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)
- || VATTR_IS_ACTIVE(vap, va_mode) || VATTR_IS_ACTIVE(vap, va_acl)) {
- is_perm_change = 1;
- }
-
/*
* Make sure that extended security is enabled if we're going to try
* to set any.
goto out;
}
+ /* Never allow the setting of any unsupported superuser flags. */
+ if (VATTR_IS_ACTIVE(vap, va_flags)) {
+ vap->va_flags &= (SF_SUPPORTED | UF_SETTABLE);
+ }
+
+#if CONFIG_FSE
+ /*
+ * Remember all of the active attributes that we're
+ * attempting to modify.
+ */
+ active = vap->va_active & ~VNODE_ATTR_RDONLY;
+#endif
+
error = VNOP_SETATTR(vp, vap, ctx);
if ((error == 0) && !VATTR_ALL_SUPPORTED(vap))
error = vnode_setattr_fallback(vp, vap, ctx);
#if CONFIG_FSE
- // only send a stat_changed event if this is more than
- // 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))) {
+#define PERMISSION_BITS (VNODE_ATTR_BIT(va_uid) | VNODE_ATTR_BIT(va_uuuid) | \
+ VNODE_ATTR_BIT(va_gid) | VNODE_ATTR_BIT(va_guuid) | \
+ VNODE_ATTR_BIT(va_mode) | VNODE_ATTR_BIT(va_acl))
+
+ /*
+ * Now that we've changed them, decide whether to send an
+ * FSevent.
+ */
+ if ((active & PERMISSION_BITS) & vap->va_supported) {
+ is_perm_change = 1;
+ } else {
+ /*
+ * We've already checked the permission bits, and we
+ * also want to filter out access time / backup time
+ * changes.
+ */
+ active &= ~(PERMISSION_BITS |
+ VNODE_ATTR_BIT(va_access_time) |
+ VNODE_ATTR_BIT(va_backup_time));
+
+ /* Anything left to notify about? */
+ if (active & vap->va_supported)
+ is_stat_change = 1;
+ }
+
+ if (error == 0) {
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)) {
+ } else if (is_stat_change && need_fsevent(FSE_STAT_CHANGED, vp)) {
add_fsevent(FSE_STAT_CHANGED, ctx, FSE_ARG_VNODE, vp, FSE_ARG_DONE);
}
}
+#undef PERMISSION_BITS
#endif
out:
* 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)
+ * the device is 64-bit ready. Any command (like DKIOCSYNCHRONIZE)
* which passes NULL for its data pointer can therefore be used during
* mount or unmount of the root filesystem.
*
errno_t
vn_rename(struct vnode *fdvp, struct vnode **fvpp, struct componentname *fcnp, struct vnode_attr *fvap,
struct vnode *tdvp, struct vnode **tvpp, struct componentname *tcnp, struct vnode_attr *tvap,
- uint32_t flags, vfs_context_t ctx)
+ vfs_rename_flags_t flags, vfs_context_t ctx)
{
int _err;
struct nameidata *fromnd = NULL;
panic("Not batched, and no fvp?");
}
-#if CONFIG_SECLUDED_RENAME
- if ((fcnp->cn_flags & CN_SECLUDE_RENAME) &&
- (((*fvpp)->v_mount->mnt_vtable->vfc_vfsflags & VFC_VFSVNOP_SECLUDE_RENAME) == 0)) {
- return ENOTSUP;
- }
-#endif
-
#if CONFIG_APPLEDOUBLE
/*
* We need to preflight any potential AppleDouble file for the source file
printf("VNOP_COMPOUND_RENAME() returned %d\n", _err);
}
} else {
- _err = VNOP_RENAME(fdvp, *fvpp, fcnp, tdvp, *tvpp, tcnp, ctx);
- }
-#if CONFIG_MACF
- if (_err == 0) {
- mac_vnode_notify_rename(ctx, *fvpp, tdvp, tcnp);
+ if (flags) {
+ _err = VNOP_RENAMEX(fdvp, *fvpp, fcnp, tdvp, *tvpp, tcnp, flags, ctx);
+ if (_err == ENOTSUP && flags == VFS_RENAME_SECLUDE) {
+ // Legacy...
+ if ((*fvpp)->v_mount->mnt_vtable->vfc_vfsflags & VFC_VFSVNOP_SECLUDE_RENAME) {
+ fcnp->cn_flags |= CN_SECLUDE_RENAME;
+ _err = VNOP_RENAME(fdvp, *fvpp, fcnp, tdvp, *tvpp, tcnp, ctx);
+ }
+ }
+ } else
+ _err = VNOP_RENAME(fdvp, *fvpp, fcnp, tdvp, *tvpp, tcnp, ctx);
}
-#endif
/*
* If moved to a new directory that is restricted,
*/
if (_err == 0) {
_err = vnode_flags(tdvp, &tdfflags, ctx);
- if (_err == 0 && (tdfflags & SF_RESTRICTED)) {
- uint32_t fflags;
- _err = vnode_flags(*fvpp, &fflags, ctx);
- if (_err == 0 && !(fflags & SF_RESTRICTED)) {
- struct vnode_attr va;
- VATTR_INIT(&va);
- VATTR_SET(&va, va_flags, fflags | SF_RESTRICTED);
- _err = vnode_setattr(*fvpp, &va, ctx);
+ if (_err == 0) {
+ uint32_t inherit_flags = tdfflags & (UF_DATAVAULT | SF_RESTRICTED);
+ if (inherit_flags) {
+ uint32_t fflags;
+ _err = vnode_flags(*fvpp, &fflags, ctx);
+ if (_err == 0 && fflags != (fflags | inherit_flags)) {
+ struct vnode_attr va;
+ VATTR_INIT(&va);
+ VATTR_SET(&va, va_flags, fflags | inherit_flags);
+ _err = vnode_setattr(*fvpp, &va, ctx);
+ }
}
}
}
+#if CONFIG_MACF
+ if (_err == 0) {
+ mac_vnode_notify_rename(ctx, *fvpp, tdvp, tcnp);
+ }
+#endif
+
#if CONFIG_APPLEDOUBLE
/*
* Rename any associated extended attribute file (._ AppleDouble file).
vfs_context_t ctx)
{
int _err = 0;
- int events;
struct vnop_rename_args a;
a.a_desc = &vnop_rename_desc;
_err = (*fdvp->v_op[vnop_rename_desc.vdesc_offset])(&a);
DTRACE_FSINFO(rename, vnode_t, fdvp);
- if (_err == 0) {
- if (tvp && tvp != fvp)
- vnode_setneedinactive(tvp);
- }
+ if (_err)
+ return _err;
- /* Wrote at least one directory. If transplanted a dir, also changed link counts */
- if (_err == 0) {
- 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;
- }
- }
+ return post_rename(fdvp, fvp, tdvp, tvp);
+}
- lock_vnode_and_post(fdvp, events);
- if (fdvp != tdvp) {
- lock_vnode_and_post(tdvp, events);
- }
+static errno_t
+post_rename(vnode_t fdvp, vnode_t fvp, vnode_t tdvp, vnode_t tvp)
+{
+ if (tvp && tvp != fvp)
+ vnode_setneedinactive(tvp);
- /* If you're replacing the target, post a deletion for it */
- if (tvp)
- {
- lock_vnode_and_post(tvp, NOTE_DELETE);
+ /* Wrote at least one directory. If transplanted a dir, also changed link counts */
+ int 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(fvp, NOTE_RENAME);
+ lock_vnode_and_post(fdvp, events);
+ if (fdvp != tdvp) {
+ lock_vnode_and_post(tdvp, events);
}
- return (_err);
+ /* 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 0;
+}
+
+#if 0
+/*
+ *#
+ *#% renamex fdvp U U U
+ *#% renamex fvp U U U
+ *#% renamex tdvp L U U
+ *#% renamex tvp X U U
+ *#
+ */
+struct vnop_renamex_args {
+ struct vnodeop_desc *a_desc;
+ vnode_t a_fdvp;
+ vnode_t a_fvp;
+ struct componentname *a_fcnp;
+ vnode_t a_tdvp;
+ vnode_t a_tvp;
+ struct componentname *a_tcnp;
+ vfs_rename_flags_t a_flags;
+ vfs_context_t a_context;
+};
+#endif /* 0*/
+errno_t
+VNOP_RENAMEX(struct vnode *fdvp, struct vnode *fvp, struct componentname *fcnp,
+ struct vnode *tdvp, struct vnode *tvp, struct componentname *tcnp,
+ vfs_rename_flags_t flags, vfs_context_t ctx)
+{
+ int _err = 0;
+ struct vnop_renamex_args a;
+
+ a.a_desc = &vnop_renamex_desc;
+ a.a_fdvp = fdvp;
+ a.a_fvp = fvp;
+ a.a_fcnp = fcnp;
+ a.a_tdvp = tdvp;
+ a.a_tvp = tvp;
+ a.a_tcnp = tcnp;
+ a.a_flags = flags;
+ a.a_context = ctx;
+
+ /* do the rename of the main file. */
+ _err = (*fdvp->v_op[vnop_renamex_desc.vdesc_offset])(&a);
+ DTRACE_FSINFO(renamex, vnode_t, fdvp);
+
+ if (_err)
+ return _err;
+
+ return post_rename(fdvp, fvp, tdvp, tvp);
}
+
int
VNOP_COMPOUND_RENAME(
struct vnode *fdvp, struct vnode **fvpp, struct componentname *fcnp, struct vnode_attr *fvap,
if ((vp->v_flag & VLOCKLOCAL)) {
/* Advisory locking done at this layer */
_err = lf_advlock(&a);
+ } else if (flags & F_OFD_LOCK) {
+ /* Non-local locking doesn't work for OFD locks */
+ _err = err_advlock(&a);
} else {
/* Advisory locking done by underlying filesystem */
_err = (*vp->v_op[vnop_advlock_desc.vdesc_offset])(&a);
}
DTRACE_FSINFO(advlock, vnode_t, vp);
+ if (op == F_UNLCK && flags == F_FLOCK)
+ post_event_if_success(vp, _err, NOTE_FUNLOCK);
}
return (_err);
return (_err);
}
+#if 0
+struct vnop_clonefile_args {
+ struct vnodeop_desc *a_desc;
+ vnode_t a_fvp;
+ vnode_t a_dvp;
+ vnode_t *a_vpp;
+ struct componentname *a_cnp;
+ struct vnode_attr *a_vap;
+ uint32_t a_flags;
+ vfs_context_t a_context;
+ int (*a_dir_clone_authorizer)( /* Authorization callback */
+ struct vnode_attr *vap, /* attribute to be authorized */
+ kauth_action_t action, /* action for which attribute is to be authorized */
+ struct vnode_attr *dvap, /* target directory attributes */
+ vnode_t sdvp, /* source directory vnode pointer (optional) */
+ mount_t mp, /* mount point of filesystem */
+ dir_clone_authorizer_op_t vattr_op, /* specific operation requested : setup, authorization or cleanup */
+ uint32_t flags; /* value passed in a_flags to the VNOP */
+ vfs_context_t ctx, /* As passed to VNOP */
+ void *reserved); /* Always NULL */
+ void *a_reserved; /* Currently unused */
+};
+#endif /* 0 */
+
+errno_t
+VNOP_CLONEFILE(vnode_t fvp, vnode_t dvp, vnode_t *vpp,
+ struct componentname *cnp, struct vnode_attr *vap, uint32_t flags,
+ vfs_context_t ctx)
+{
+ int _err;
+ struct vnop_clonefile_args a;
+ a.a_desc = &vnop_clonefile_desc;
+ a.a_fvp = fvp;
+ a.a_dvp = dvp;
+ a.a_vpp = vpp;
+ a.a_cnp = cnp;
+ a.a_vap = vap;
+ a.a_flags = flags;
+ a.a_context = ctx;
+
+ if (vnode_vtype(fvp) == VDIR)
+ a.a_dir_clone_authorizer = vnode_attr_authorize_dir_clone;
+ else
+ a.a_dir_clone_authorizer = NULL;
+
+ _err = (*dvp->v_op[vnop_clonefile_desc.vdesc_offset])(&a);
+
+ if (_err == 0 && *vpp)
+ DTRACE_FSINFO(clonefile, vnode_t, *vpp);
+
+ post_event_if_success(dvp, _err, NOTE_WRITE);
+
+ return (_err);
+}
+
errno_t
VNOP_GETXATTR(vnode_t vp, const char *name, uio_t uio, size_t *size, int options, vfs_context_t ctx)
{
projects / apple / xnu.git / blobdiff