/*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * 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.
- *
- * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
+ * 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.
+ *
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
* limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
*
* @(#)vfs_init.c 8.5 (Berkeley) 5/11/95
*/
+/*
+ * 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.
+ */
#include <sys/param.h>
#include <sys/errno.h>
#include <sys/malloc.h>
+#include <vfs/vfs_journal.h> /* journal_init() */
+#if CONFIG_MACF
+#include <security/mac_framework.h>
+#include <sys/kauth.h>
+#endif
+#if QUOTA
+#include <sys/quota.h>
+#endif
/*
* Sigh, such primitive tools are these...
#define DODEBUG(A)
#endif
-extern uid_t console_user;
+__private_extern__ void vntblinit(void) __attribute__((section("__TEXT, initcode")));
+
extern struct vnodeopv_desc *vfs_opv_descs[];
/* a list of lists of vnodeops defns */
extern struct vnodeop_desc *vfs_op_descs[];
*/
int vfs_opv_numops;
-typedef (*PFI)(); /* the standard Pointer to a Function returning an Int */
+typedef int (*PFIvp)(void *);
/*
* A miscellaneous routine.
* A generic "default" routine that just returns an error.
*/
int
-vn_default_error()
+vn_default_error(void)
{
return (ENOTSUP);
* that is a(whole)nother story.) This is a feature.
*/
void
-vfs_opv_init()
+vfs_opv_init(void)
{
int i, j, k;
int (***opv_desc_vector_p)(void *);
* Also handle backwards compatibility.
*/
if (*opv_desc_vector_p == NULL) {
- MALLOC(*opv_desc_vector_p, PFI*,
- vfs_opv_numops*sizeof(PFI), M_TEMP, M_WAITOK);
- bzero (*opv_desc_vector_p, vfs_opv_numops*sizeof(PFI));
+ MALLOC(*opv_desc_vector_p, PFIvp*,
+ vfs_opv_numops*sizeof(PFIvp), M_TEMP, M_WAITOK);
+ bzero (*opv_desc_vector_p, vfs_opv_numops*sizeof(PFIvp));
DODEBUG(printf("vector at %x allocated\n",
opv_desc_vector_p));
}
* Initialize known vnode operations vectors.
*/
void
-vfs_op_init()
+vfs_op_init(void)
{
int i;
lck_grp_t * vnode_list_lck_grp;
lck_grp_attr_t * vnode_list_lck_grp_attr;
lck_attr_t * vnode_list_lck_attr;
-lck_mtx_t * vnode_list_mtx_lock;
+lck_spin_t * vnode_list_spin_lock;
lck_mtx_t * spechash_mtx_lock;
-/* Routine to lock and unlock the vnode lists */
-void vnode_list_lock(void);
-void vnode_list_unlock(void);
/* vars for vfsconf lock */
lck_grp_t * fsconf_lck_grp;
lck_attr_t * mnt_list_lck_attr;
lck_mtx_t * mnt_list_mtx_lock;
-extern void journal_init();
-
struct mount * dead_mountp;
/*
* Initialize the vnode structures and initialize each file system type.
*/
void
-vfsinit()
+vfsinit(void)
{
struct vfstable *vfsp;
int i, maxtypenum;
vnode_list_lck_attr = lck_attr_alloc_init();
/* Allocate vnode list lock */
- vnode_list_mtx_lock = lck_mtx_alloc_init(vnode_list_lck_grp, vnode_list_lck_attr);
+ vnode_list_spin_lock = lck_spin_alloc_init(vnode_list_lck_grp, vnode_list_lck_attr);
/* Allocate spec hash list lock */
spechash_mtx_lock = lck_mtx_alloc_init(vnode_list_lck_grp, vnode_list_lck_attr);
/* Allocate mount lock attribute */
mnt_lck_attr = lck_attr_alloc_init();
- /*
- * Initialize the "console user" for access purposes:
- */
- console_user = (uid_t)0;
-
/*
* Initialize the vnode table
*/
* Initialize the vnode name cache
*/
nchinit();
+
+#if JOURNALING
/*
* Initialize the journaling locks
*/
journal_init();
+#endif
+
/*
* Build vnode operation vectors.
*/
* until the first NULL ->vfs_vfsops is encountered.
*/
numused_vfsslots = maxtypenum = 0;
- for (vfsp = vfsconf, i = 0; i < maxvfsconf; i++, vfsp++) {
+ for (vfsp = vfsconf, i = 0; i < maxvfsslots; i++, vfsp++) {
if (vfsp->vfc_vfsops == (struct vfsops *)0)
break;
if (i) vfsconf[i-1].vfc_next = vfsp;
if (maxtypenum <= vfsp->vfc_typenum)
maxtypenum = vfsp->vfc_typenum + 1;
- (*vfsp->vfc_vfsops->vfs_init)(vfsp);
+ /* a vfsconf is a prefix subset of a vfstable... */
+ (*vfsp->vfc_vfsops->vfs_init)((struct vfsconf *)vfsp);
lck_mtx_init(&vfsp->vfc_lock, fsconf_lck_grp, fsconf_lck_attr);
* Initialize the vnop authorization scope.
*/
vnode_authorize_init();
+
+ /*
+ * Initialiize the quota system.
+ */
+#if QUOTA
+ dqinit();
+#endif
/*
* create a mount point for dead vnodes
mp->mnt_maxsegreadsize = mp->mnt_maxreadcnt;
mp->mnt_maxsegwritesize = mp->mnt_maxwritecnt;
mp->mnt_devblocksize = DEV_BSIZE;
+ mp->mnt_alignmentmask = PAGE_MASK;
+ mp->mnt_ioflags = 0;
+ mp->mnt_realrootvp = NULLVP;
+ mp->mnt_authcache_ttl = CACHED_LOOKUP_RIGHT_TTL;
TAILQ_INIT(&mp->mnt_vnodelist);
TAILQ_INIT(&mp->mnt_workerqueue);
mp->mnt_flag = MNT_LOCAL;
mp->mnt_lflag = MNT_LDEAD;
mount_lock_init(mp);
+
+#if CONFIG_MACF
+ mac_mount_label_init(mp);
+ mac_mount_label_associate(vfs_context_kernel(), mp);
+#endif
dead_mountp = mp;
}
void
-vnode_list_lock()
+vnode_list_lock(void)
{
- lck_mtx_lock(vnode_list_mtx_lock);
+ lck_spin_lock(vnode_list_spin_lock);
}
void
-vnode_list_unlock()
+vnode_list_unlock(void)
{
- lck_mtx_unlock(vnode_list_mtx_lock);
+ lck_spin_unlock(vnode_list_spin_lock);
}
void
-mount_list_lock()
+mount_list_lock(void)
{
lck_mtx_lock(mnt_list_mtx_lock);
}
void
-mount_list_unlock()
+mount_list_unlock(void)
{
lck_mtx_unlock(mnt_list_mtx_lock);
}
projects / apple / xnu.git / blobdiff