2 * Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 * Further, this software is distributed without any warranty that it is
13 * free of the rightful claim of any third person regarding infringement
14 * or the like. Any license provided herein, whether implied or
15 * otherwise, applies only to this software file. Patent licenses, if
16 * any, provided herein do not apply to combinations of this program with
17 * other software, or any other product whatsoever.
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24 * Mountain View, CA 94043, or:
28 * For further information regarding this notice, see:
30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
38 #include "xfs_trans.h"
42 #include "xfs_alloc.h"
43 #include "xfs_dmapi.h"
44 #include "xfs_quota.h"
45 #include "xfs_mount.h"
46 #include "xfs_alloc_btree.h"
47 #include "xfs_bmap_btree.h"
48 #include "xfs_ialloc_btree.h"
49 #include "xfs_btree.h"
50 #include "xfs_ialloc.h"
51 #include "xfs_attr_sf.h"
52 #include "xfs_dir_sf.h"
53 #include "xfs_dir2_sf.h"
54 #include "xfs_dinode.h"
55 #include "xfs_inode.h"
58 #include "xfs_rtalloc.h"
59 #include "xfs_error.h"
60 #include "xfs_itable.h"
66 #include "xfs_buf_item.h"
67 #include "xfs_utils.h"
68 #include "xfs_version.h"
69 #include "xfs_ioctl32.h"
71 #include <linux/namei.h>
72 #include <linux/init.h>
73 #include <linux/mount.h>
74 #include <linux/writeback.h>
76 STATIC struct quotactl_ops linvfs_qops;
77 STATIC struct super_operations linvfs_sops;
78 STATIC struct export_operations linvfs_export_ops;
79 STATIC kmem_zone_t *linvfs_inode_zone;
80 STATIC kmem_shaker_t xfs_inode_shaker;
82 STATIC struct xfs_mount_args *
84 struct super_block *sb)
86 struct xfs_mount_args *args;
88 args = kmem_zalloc(sizeof(struct xfs_mount_args), KM_SLEEP);
89 args->logbufs = args->logbufsize = -1;
90 strncpy(args->fsname, sb->s_id, MAXNAMELEN);
92 /* Copy the already-parsed mount(2) flags we're interested in */
93 if (sb->s_flags & MS_NOATIME)
94 args->flags |= XFSMNT_NOATIME;
96 /* Default to 32 bit inodes on Linux all the time */
97 args->flags |= XFSMNT_32BITINODES;
104 unsigned int blockshift)
106 unsigned int pagefactor = 1;
107 unsigned int bitshift = BITS_PER_LONG - 1;
109 /* Figure out maximum filesize, on Linux this can depend on
110 * the filesystem blocksize (on 32 bit platforms).
111 * __block_prepare_write does this in an [unsigned] long...
112 * page->index << (PAGE_CACHE_SHIFT - bbits)
113 * So, for page sized blocks (4K on 32 bit platforms),
114 * this wraps at around 8Tb (hence MAX_LFS_FILESIZE which is
115 * (((u64)PAGE_CACHE_SIZE << (BITS_PER_LONG-1))-1)
116 * but for smaller blocksizes it is less (bbits = log2 bsize).
117 * Note1: get_block_t takes a long (implicit cast from above)
118 * Note2: The Large Block Device (LBD and HAVE_SECTOR_T) patch
119 * can optionally convert the [unsigned] long from above into
120 * an [unsigned] long long.
123 #if BITS_PER_LONG == 32
124 # if defined(CONFIG_LBD)
125 ASSERT(sizeof(sector_t) == 8);
126 pagefactor = PAGE_CACHE_SIZE;
127 bitshift = BITS_PER_LONG;
129 pagefactor = PAGE_CACHE_SIZE >> (PAGE_CACHE_SHIFT - blockshift);
133 return (((__uint64_t)pagefactor) << bitshift) - 1;
136 STATIC __inline__ void
140 vnode_t *vp = LINVFS_GET_VP(inode);
142 if (vp->v_type == VNON) {
144 } else if (S_ISREG(inode->i_mode)) {
145 inode->i_op = &linvfs_file_inode_operations;
146 inode->i_fop = &linvfs_file_operations;
147 inode->i_mapping->a_ops = &linvfs_aops;
148 } else if (S_ISDIR(inode->i_mode)) {
149 inode->i_op = &linvfs_dir_inode_operations;
150 inode->i_fop = &linvfs_dir_operations;
151 } else if (S_ISLNK(inode->i_mode)) {
152 inode->i_op = &linvfs_symlink_inode_operations;
154 inode->i_mapping->a_ops = &linvfs_aops;
156 inode->i_op = &linvfs_file_inode_operations;
157 init_special_inode(inode, inode->i_mode, inode->i_rdev);
161 STATIC __inline__ void
162 xfs_revalidate_inode(
167 struct inode *inode = LINVFS_GET_IP(vp);
169 inode->i_mode = (ip->i_d.di_mode & MODEMASK) | VTTOIF(vp->v_type);
170 inode->i_nlink = ip->i_d.di_nlink;
171 inode->i_uid = ip->i_d.di_uid;
172 inode->i_gid = ip->i_d.di_gid;
173 if (((1 << vp->v_type) & ((1<<VBLK) | (1<<VCHR))) == 0) {
176 xfs_dev_t dev = ip->i_df.if_u2.if_rdev;
177 inode->i_rdev = MKDEV(sysv_major(dev) & 0x1ff, sysv_minor(dev));
179 inode->i_blksize = PAGE_CACHE_SIZE;
180 inode->i_generation = ip->i_d.di_gen;
181 i_size_write(inode, ip->i_d.di_size);
183 XFS_FSB_TO_BB(mp, ip->i_d.di_nblocks + ip->i_delayed_blks);
184 inode->i_atime.tv_sec = ip->i_d.di_atime.t_sec;
185 inode->i_atime.tv_nsec = ip->i_d.di_atime.t_nsec;
186 inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec;
187 inode->i_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
188 inode->i_ctime.tv_sec = ip->i_d.di_ctime.t_sec;
189 inode->i_ctime.tv_nsec = ip->i_d.di_ctime.t_nsec;
190 if (ip->i_d.di_flags & XFS_DIFLAG_IMMUTABLE)
191 inode->i_flags |= S_IMMUTABLE;
193 inode->i_flags &= ~S_IMMUTABLE;
194 if (ip->i_d.di_flags & XFS_DIFLAG_APPEND)
195 inode->i_flags |= S_APPEND;
197 inode->i_flags &= ~S_APPEND;
198 if (ip->i_d.di_flags & XFS_DIFLAG_SYNC)
199 inode->i_flags |= S_SYNC;
201 inode->i_flags &= ~S_SYNC;
202 if (ip->i_d.di_flags & XFS_DIFLAG_NOATIME)
203 inode->i_flags |= S_NOATIME;
205 inode->i_flags &= ~S_NOATIME;
206 vp->v_flag &= ~VMODIFIED;
210 xfs_initialize_vnode(
213 bhv_desc_t *inode_bhv,
216 xfs_inode_t *ip = XFS_BHVTOI(inode_bhv);
217 struct inode *inode = LINVFS_GET_IP(vp);
219 if (!inode_bhv->bd_vobj) {
220 vp->v_vfsp = bhvtovfs(bdp);
221 bhv_desc_init(inode_bhv, ip, vp, &xfs_vnodeops);
222 bhv_insert(VN_BHV_HEAD(vp), inode_bhv);
226 * We need to set the ops vectors, and unlock the inode, but if
227 * we have been called during the new inode create process, it is
228 * too early to fill in the Linux inode. We will get called a
229 * second time once the inode is properly set up, and then we can
232 if (ip->i_d.di_mode != 0 && unlock && (inode->i_state & I_NEW)) {
233 vp->v_type = IFTOVT(ip->i_d.di_mode);
234 xfs_revalidate_inode(XFS_BHVTOM(bdp), vp, ip);
235 xfs_set_inodeops(inode);
237 ip->i_flags &= ~XFS_INEW;
240 unlock_new_inode(inode);
248 struct block_device **bdevp)
252 *bdevp = open_bdev_excl(name, 0, mp);
253 if (IS_ERR(*bdevp)) {
254 error = PTR_ERR(*bdevp);
255 printk("XFS: Invalid device [%s], error=%d\n", name, error);
263 struct block_device *bdev)
266 close_bdev_excl(bdev);
270 STATIC struct inode *
272 struct super_block *sb)
276 vp = (vnode_t *)kmem_cache_alloc(linvfs_inode_zone,
277 kmem_flags_convert(KM_SLEEP));
280 return LINVFS_GET_IP(vp);
284 linvfs_destroy_inode(
287 kmem_cache_free(linvfs_inode_zone, LINVFS_GET_VP(inode));
293 unsigned int gfp_mask)
297 pages = kmem_zone_shrink(linvfs_inode_zone);
298 pages += kmem_zone_shrink(xfs_inode_zone);
305 kmem_cache_t *cachep,
308 vnode_t *vp = (vnode_t *)data;
310 if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
311 SLAB_CTOR_CONSTRUCTOR)
312 inode_init_once(LINVFS_GET_IP(vp));
316 init_inodecache( void )
318 linvfs_inode_zone = kmem_cache_create("linvfs_icache",
319 sizeof(vnode_t), 0, SLAB_RECLAIM_ACCOUNT,
321 if (linvfs_inode_zone == NULL)
327 destroy_inodecache( void )
329 if (kmem_cache_destroy(linvfs_inode_zone))
330 printk(KERN_WARNING "%s: cache still in use!\n", __FUNCTION__);
334 * Attempt to flush the inode, this will actually fail
335 * if the inode is pinned, but we dirty the inode again
336 * at the point when it is unpinned after a log write,
337 * since this is when the inode itself becomes flushable.
344 vnode_t *vp = LINVFS_GET_VP(inode);
345 int error = 0, flags = FLUSH_INODE;
348 vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
351 VOP_IFLUSH(vp, flags, error);
361 vnode_t *vp = LINVFS_GET_VP(inode);
365 vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
367 * Do all our cleanup, and remove this vnode.
375 * Enqueue a work item to be picked up by the vfs xfssyncd thread.
376 * Doing this has two advantages:
377 * - It saves on stack space, which is tight in certain situations
378 * - It can be used (with care) as a mechanism to avoid deadlocks.
379 * Flushing while allocating in a full filesystem requires both.
382 xfs_syncd_queue_work(
385 void (*syncer)(vfs_t *, void *))
387 vfs_sync_work_t *work;
389 work = kmem_alloc(sizeof(struct vfs_sync_work), KM_SLEEP);
390 INIT_LIST_HEAD(&work->w_list);
391 work->w_syncer = syncer;
394 spin_lock(&vfs->vfs_sync_lock);
395 list_add_tail(&work->w_list, &vfs->vfs_sync_list);
396 spin_unlock(&vfs->vfs_sync_lock);
397 wake_up_process(vfs->vfs_sync_task);
401 * Flush delayed allocate data, attempting to free up reserved space
402 * from existing allocations. At this point a new allocation attempt
403 * has failed with ENOSPC and we are in the process of scratching our
404 * heads, looking about for more room...
407 xfs_flush_inode_work(
411 filemap_flush(((struct inode *)inode)->i_mapping);
412 iput((struct inode *)inode);
419 struct inode *inode = LINVFS_GET_IP(XFS_ITOV(ip));
420 struct vfs *vfs = XFS_MTOVFS(ip->i_mount);
423 xfs_syncd_queue_work(vfs, inode, xfs_flush_inode_work);
428 * This is the "bigger hammer" version of xfs_flush_inode_work...
429 * (IOW, "If at first you don't succeed, use a Bigger Hammer").
432 xfs_flush_device_work(
436 sync_blockdev(vfs->vfs_super->s_bdev);
437 iput((struct inode *)inode);
444 struct inode *inode = LINVFS_GET_IP(XFS_ITOV(ip));
445 struct vfs *vfs = XFS_MTOVFS(ip->i_mount);
448 xfs_syncd_queue_work(vfs, inode, xfs_flush_device_work);
450 xfs_log_force(ip->i_mount, (xfs_lsn_t)0, XFS_LOG_FORCE|XFS_LOG_SYNC);
453 #define SYNCD_FLAGS (SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR)
461 if (!(vfsp->vfs_flag & VFS_RDONLY))
462 VFS_SYNC(vfsp, SYNCD_FLAGS, NULL, error);
463 vfsp->vfs_sync_seq++;
465 wake_up(&vfsp->vfs_wait_single_sync_task);
473 vfs_t *vfsp = (vfs_t *) arg;
474 struct list_head tmp;
475 struct vfs_sync_work *work, *n;
477 daemonize("xfssyncd");
479 vfsp->vfs_sync_work.w_vfs = vfsp;
480 vfsp->vfs_sync_work.w_syncer = vfs_sync_worker;
481 vfsp->vfs_sync_task = current;
483 wake_up(&vfsp->vfs_wait_sync_task);
485 INIT_LIST_HEAD(&tmp);
486 timeleft = (xfs_syncd_centisecs * HZ) / 100;
488 set_current_state(TASK_INTERRUPTIBLE);
489 timeleft = schedule_timeout(timeleft);
491 try_to_freeze(PF_FREEZE);
492 if (vfsp->vfs_flag & VFS_UMOUNT)
495 spin_lock(&vfsp->vfs_sync_lock);
497 * We can get woken by laptop mode, to do a sync -
498 * that's the (only!) case where the list would be
499 * empty with time remaining.
501 if (!timeleft || list_empty(&vfsp->vfs_sync_list)) {
503 timeleft = (xfs_syncd_centisecs * HZ) / 100;
504 INIT_LIST_HEAD(&vfsp->vfs_sync_work.w_list);
505 list_add_tail(&vfsp->vfs_sync_work.w_list,
506 &vfsp->vfs_sync_list);
508 list_for_each_entry_safe(work, n, &vfsp->vfs_sync_list, w_list)
509 list_move(&work->w_list, &tmp);
510 spin_unlock(&vfsp->vfs_sync_lock);
512 list_for_each_entry_safe(work, n, &tmp, w_list) {
513 (*work->w_syncer)(vfsp, work->w_data);
514 list_del(&work->w_list);
515 if (work == &vfsp->vfs_sync_work)
517 kmem_free(work, sizeof(struct vfs_sync_work));
521 vfsp->vfs_sync_task = NULL;
523 wake_up(&vfsp->vfs_wait_sync_task);
534 pid = kernel_thread(xfssyncd, (void *) vfsp,
535 CLONE_VM | CLONE_FS | CLONE_FILES);
538 wait_event(vfsp->vfs_wait_sync_task, vfsp->vfs_sync_task);
546 vfsp->vfs_flag |= VFS_UMOUNT;
549 wake_up_process(vfsp->vfs_sync_task);
550 wait_event(vfsp->vfs_wait_sync_task, !vfsp->vfs_sync_task);
555 struct super_block *sb)
557 vfs_t *vfsp = LINVFS_GET_VFS(sb);
560 linvfs_stop_syncd(vfsp);
561 VFS_SYNC(vfsp, SYNC_ATTR|SYNC_DELWRI, NULL, error);
563 VFS_UNMOUNT(vfsp, 0, NULL, error);
565 printk("XFS unmount got error %d\n", error);
566 printk("%s: vfsp/0x%p left dangling!\n", __FUNCTION__, vfsp);
570 vfs_deallocate(vfsp);
575 struct super_block *sb)
577 vfs_t *vfsp = LINVFS_GET_VFS(sb);
580 if (sb->s_flags & MS_RDONLY) {
581 sb->s_dirt = 0; /* paranoia */
584 /* Push the log and superblock a little */
585 VFS_SYNC(vfsp, SYNC_FSDATA, NULL, error);
591 struct super_block *sb,
594 vfs_t *vfsp = LINVFS_GET_VFS(sb);
596 int flags = SYNC_FSDATA;
601 VFS_SYNC(vfsp, flags, NULL, error);
604 if (unlikely(laptop_mode)) {
605 int prev_sync_seq = vfsp->vfs_sync_seq;
608 * The disk must be active because we're syncing.
609 * We schedule xfssyncd now (now that the disk is
610 * active) instead of later (when it might not be).
612 wake_up_process(vfsp->vfs_sync_task);
614 * We have to wait for the sync iteration to complete.
615 * If we don't, the disk activity caused by the sync
616 * will come after the sync is completed, and that
617 * triggers another sync from laptop mode.
619 wait_event(vfsp->vfs_wait_single_sync_task,
620 vfsp->vfs_sync_seq != prev_sync_seq);
628 struct super_block *sb,
629 struct kstatfs *statp)
631 vfs_t *vfsp = LINVFS_GET_VFS(sb);
634 VFS_STATVFS(vfsp, statp, NULL, error);
640 struct super_block *sb,
644 vfs_t *vfsp = LINVFS_GET_VFS(sb);
645 struct xfs_mount_args *args = xfs_args_allocate(sb);
648 VFS_PARSEARGS(vfsp, options, args, 1, error);
650 VFS_MNTUPDATE(vfsp, flags, args, error);
651 kmem_free(args, sizeof(*args));
657 struct super_block *sb)
659 VFS_FREEZE(LINVFS_GET_VFS(sb));
662 STATIC struct dentry *
664 struct dentry *child)
668 struct dentry *parent;
669 struct dentry dotdot;
671 dotdot.d_name.name = "..";
672 dotdot.d_name.len = 2;
673 dotdot.d_inode = NULL;
676 vp = LINVFS_GET_VP(child->d_inode);
677 VOP_LOOKUP(vp, &dotdot, &cvp, 0, NULL, NULL, error);
679 return ERR_PTR(-error);
681 parent = d_alloc_anon(LINVFS_GET_IP(cvp));
682 if (unlikely(!parent)) {
684 return ERR_PTR(-ENOMEM);
689 STATIC struct dentry *
691 struct super_block *sb,
696 struct dentry *result;
698 vfs_t *vfsp = LINVFS_GET_VFS(sb);
701 xfid.fid_len = sizeof(xfs_fid2_t) - sizeof(xfid.fid_len);
703 xfid.fid_gen = ((__u32 *)data)[1];
704 xfid.fid_ino = ((__u32 *)data)[0];
706 VFS_VGET(vfsp, &vp, (fid_t *)&xfid, error);
707 if (error || vp == NULL)
708 return ERR_PTR(-ESTALE) ;
710 inode = LINVFS_GET_IP(vp);
711 result = d_alloc_anon(inode);
714 return ERR_PTR(-ENOMEM);
722 struct vfsmount *mnt)
724 struct vfs *vfsp = LINVFS_GET_VFS(mnt->mnt_sb);
727 VFS_SHOWARGS(vfsp, m, error);
733 struct super_block *sb,
734 struct fs_quota_stat *fqs)
736 struct vfs *vfsp = LINVFS_GET_VFS(sb);
739 VFS_QUOTACTL(vfsp, Q_XGETQSTAT, 0, (caddr_t)fqs, error);
745 struct super_block *sb,
749 struct vfs *vfsp = LINVFS_GET_VFS(sb);
752 VFS_QUOTACTL(vfsp, op, 0, (caddr_t)&flags, error);
758 struct super_block *sb,
761 struct fs_disk_quota *fdq)
763 struct vfs *vfsp = LINVFS_GET_VFS(sb);
766 getmode = (type == GRPQUOTA) ? Q_XGETGQUOTA : Q_XGETQUOTA;
767 VFS_QUOTACTL(vfsp, getmode, id, (caddr_t)fdq, error);
773 struct super_block *sb,
776 struct fs_disk_quota *fdq)
778 struct vfs *vfsp = LINVFS_GET_VFS(sb);
781 setmode = (type == GRPQUOTA) ? Q_XSETGQLIM : Q_XSETQLIM;
782 VFS_QUOTACTL(vfsp, setmode, id, (caddr_t)fdq, error);
788 struct super_block *sb,
793 struct vfs *vfsp = vfs_allocate();
794 struct xfs_mount_args *args = xfs_args_allocate(sb);
795 struct kstatfs statvfs;
798 vfsp->vfs_super = sb;
799 LINVFS_SET_VFS(sb, vfsp);
800 if (sb->s_flags & MS_RDONLY)
801 vfsp->vfs_flag |= VFS_RDONLY;
802 bhv_insert_all_vfsops(vfsp);
804 VFS_PARSEARGS(vfsp, (char *)data, args, 0, error);
806 bhv_remove_all_vfsops(vfsp, 1);
810 sb_min_blocksize(sb, BBSIZE);
811 sb->s_export_op = &linvfs_export_ops;
812 sb->s_qcop = &linvfs_qops;
813 sb->s_op = &linvfs_sops;
815 VFS_MOUNT(vfsp, args, NULL, error);
817 bhv_remove_all_vfsops(vfsp, 1);
821 VFS_STATVFS(vfsp, &statvfs, NULL, error);
826 sb->s_magic = statvfs.f_type;
827 sb->s_blocksize = statvfs.f_bsize;
828 sb->s_blocksize_bits = ffs(statvfs.f_bsize) - 1;
829 sb->s_maxbytes = xfs_max_file_offset(sb->s_blocksize_bits);
831 set_posix_acl_flag(sb);
833 VFS_ROOT(vfsp, &rootvp, error);
837 sb->s_root = d_alloc_root(LINVFS_GET_IP(rootvp));
842 if (is_bad_inode(sb->s_root->d_inode)) {
846 if ((error = linvfs_start_syncd(vfsp)))
848 vn_trace_exit(rootvp, __FUNCTION__, (inst_t *)__return_address);
850 kmem_free(args, sizeof(*args));
862 VFS_UNMOUNT(vfsp, 0, NULL, error2);
865 vfs_deallocate(vfsp);
866 kmem_free(args, sizeof(*args));
870 STATIC struct super_block *
872 struct file_system_type *fs_type,
874 const char *dev_name,
877 return get_sb_bdev(fs_type, flags, dev_name, data, linvfs_fill_super);
881 STATIC struct export_operations linvfs_export_ops = {
882 .get_parent = linvfs_get_parent,
883 .get_dentry = linvfs_get_dentry,
886 STATIC struct super_operations linvfs_sops = {
887 .alloc_inode = linvfs_alloc_inode,
888 .destroy_inode = linvfs_destroy_inode,
889 .write_inode = linvfs_write_inode,
890 .clear_inode = linvfs_clear_inode,
891 .put_super = linvfs_put_super,
892 .write_super = linvfs_write_super,
893 .sync_fs = linvfs_sync_super,
894 .write_super_lockfs = linvfs_freeze_fs,
895 .statfs = linvfs_statfs,
896 .remount_fs = linvfs_remount,
897 .show_options = linvfs_show_options,
900 STATIC struct quotactl_ops linvfs_qops = {
901 .get_xstate = linvfs_getxstate,
902 .set_xstate = linvfs_setxstate,
903 .get_xquota = linvfs_getxquota,
904 .set_xquota = linvfs_setxquota,
907 STATIC struct file_system_type xfs_fs_type = {
908 .owner = THIS_MODULE,
910 .get_sb = linvfs_get_sb,
911 .kill_sb = kill_block_super,
912 .fs_flags = FS_REQUIRES_DEV,
921 static char message[] __initdata = KERN_INFO \
922 XFS_VERSION_STRING " with " XFS_BUILD_OPTIONS " enabled\n";
927 xfs_physmem = si.totalram;
931 error = init_inodecache();
933 goto undo_inodecache;
935 error = pagebuf_init();
944 xfs_inode_shaker = kmem_shake_register(xfs_inode_shake);
945 if (!xfs_inode_shaker) {
950 error = xfs_ioctl32_init();
954 error = register_filesystem(&xfs_fs_type);
957 XFS_DM_INIT(&xfs_fs_type);
964 kmem_shake_deregister(xfs_inode_shaker);
970 destroy_inodecache();
980 XFS_DM_EXIT(&xfs_fs_type);
981 unregister_filesystem(&xfs_fs_type);
983 kmem_shake_deregister(xfs_inode_shaker);
986 destroy_inodecache();
990 module_init(init_xfs_fs);
991 module_exit(exit_xfs_fs);
993 MODULE_AUTHOR("Silicon Graphics, Inc.");
994 MODULE_DESCRIPTION(XFS_VERSION_STRING " with " XFS_BUILD_OPTIONS " enabled");
995 MODULE_LICENSE("GPL");