linux 2.6.16.38 w/ vs2.0.3-rc1
[linux-2.6.git] / fs / xfs / linux-2.6 / xfs_super.c
index 49c220d..92d8ba6 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2006 Silicon Graphics, Inc.
+ * Copyright (c) 2000-2005 Silicon Graphics, Inc.
  * All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or
@@ -23,6 +23,7 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
+#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_alloc.h"
 #include "xfs_dmapi.h"
@@ -31,6 +32,7 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
+#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
 #include <linux/writeback.h>
 #include <linux/kthread.h>
 
-STATIC struct quotactl_ops xfs_quotactl_operations;
-STATIC struct super_operations xfs_super_operations;
+STATIC struct quotactl_ops linvfs_qops;
+STATIC struct super_operations linvfs_sops;
 STATIC kmem_zone_t *xfs_vnode_zone;
 STATIC kmem_zone_t *xfs_ioend_zone;
 mempool_t *xfs_ioend_pool;
 
 STATIC struct xfs_mount_args *
 xfs_args_allocate(
-       struct super_block      *sb,
-       int                     silent)
+       struct super_block      *sb)
 {
        struct xfs_mount_args   *args;
 
@@ -75,12 +76,14 @@ xfs_args_allocate(
        strncpy(args->fsname, sb->s_id, MAXNAMELEN);
 
        /* Copy the already-parsed mount(2) flags we're interested in */
+       if (sb->s_flags & MS_NOATIME)
+               args->flags |= XFSMNT_NOATIME;
        if (sb->s_flags & MS_DIRSYNC)
                args->flags |= XFSMNT_DIRSYNC;
        if (sb->s_flags & MS_SYNCHRONOUS)
                args->flags |= XFSMNT_WSYNC;
-       if (silent)
-               args->flags |= XFSMNT_QUIET;
+
+       /* Default to 32 bit inodes on Linux all the time */
        args->flags |= XFSMNT_32BITINODES;
 
        return args;
@@ -126,21 +129,21 @@ xfs_set_inodeops(
 {
        switch (inode->i_mode & S_IFMT) {
        case S_IFREG:
-               inode->i_op = &xfs_inode_operations;
-               inode->i_fop = &xfs_file_operations;
-               inode->i_mapping->a_ops = &xfs_address_space_operations;
+               inode->i_op = &linvfs_file_inode_operations;
+               inode->i_fop = &linvfs_file_operations;
+               inode->i_mapping->a_ops = &linvfs_aops;
                break;
        case S_IFDIR:
-               inode->i_op = &xfs_dir_inode_operations;
-               inode->i_fop = &xfs_dir_file_operations;
+               inode->i_op = &linvfs_dir_inode_operations;
+               inode->i_fop = &linvfs_dir_operations;
                break;
        case S_IFLNK:
-               inode->i_op = &xfs_symlink_inode_operations;
+               inode->i_op = &linvfs_symlink_inode_operations;
                if (inode->i_blocks)
-                       inode->i_mapping->a_ops = &xfs_address_space_operations;
+                       inode->i_mapping->a_ops = &linvfs_aops;
                break;
        default:
-               inode->i_op = &xfs_inode_operations;
+               inode->i_op = &linvfs_file_inode_operations;
                init_special_inode(inode, inode->i_mode, inode->i_rdev);
                break;
        }
@@ -149,10 +152,10 @@ xfs_set_inodeops(
 STATIC __inline__ void
 xfs_revalidate_inode(
        xfs_mount_t             *mp,
-       bhv_vnode_t             *vp,
+       vnode_t                 *vp,
        xfs_inode_t             *ip)
 {
-       struct inode            *inode = vn_to_inode(vp);
+       struct inode            *inode = LINVFS_GET_IP(vp);
 
        inode->i_mode   = ip->i_d.di_mode;
        inode->i_nlink  = ip->i_d.di_nlink;
@@ -172,6 +175,7 @@ xfs_revalidate_inode(
                break;
        }
 
+       inode->i_blksize = xfs_preferred_iosize(mp);
        inode->i_generation = ip->i_d.di_gen;
        i_size_write(inode, ip->i_d.di_size);
        inode->i_blocks =
@@ -212,12 +216,12 @@ xfs_revalidate_inode(
 void
 xfs_initialize_vnode(
        bhv_desc_t              *bdp,
-       bhv_vnode_t             *vp,
+       vnode_t                 *vp,
        bhv_desc_t              *inode_bhv,
        int                     unlock)
 {
        xfs_inode_t             *ip = XFS_BHVTOI(inode_bhv);
-       struct inode            *inode = vn_to_inode(vp);
+       struct inode            *inode = LINVFS_GET_IP(vp);
 
        if (!inode_bhv->bd_vobj) {
                vp->v_vfsp = bhvtovfs(bdp);
@@ -235,7 +239,7 @@ xfs_initialize_vnode(
        if (ip->i_d.di_mode != 0 && unlock && (inode->i_state & I_NEW)) {
                xfs_revalidate_inode(XFS_BHVTOM(bdp), vp, ip);
                xfs_set_inodeops(inode);
-
+       
                ip->i_flags &= ~XFS_INEW;
                barrier();
 
@@ -322,13 +326,6 @@ xfs_mountfs_check_barriers(xfs_mount_t *mp)
                return;
        }
 
-       if (xfs_readonly_buftarg(mp->m_ddev_targp)) {
-               xfs_fs_cmn_err(CE_NOTE, mp,
-                 "Disabling barriers, underlying device is readonly");
-               mp->m_flags &= ~XFS_MOUNT_BARRIER;
-               return;
-       }
-
        error = xfs_barrier_test(mp);
        if (error) {
                xfs_fs_cmn_err(CE_NOTE, mp,
@@ -346,42 +343,43 @@ xfs_blkdev_issue_flush(
 }
 
 STATIC struct inode *
-xfs_fs_alloc_inode(
+linvfs_alloc_inode(
        struct super_block      *sb)
 {
-       bhv_vnode_t             *vp;
+       vnode_t                 *vp;
 
-       vp = kmem_zone_alloc(xfs_vnode_zone, KM_SLEEP);
-       if (unlikely(!vp))
+       vp = kmem_cache_alloc(xfs_vnode_zone, kmem_flags_convert(KM_SLEEP));
+       if (!vp)
                return NULL;
-       return vn_to_inode(vp);
+       return LINVFS_GET_IP(vp);
 }
 
 STATIC void
-xfs_fs_destroy_inode(
+linvfs_destroy_inode(
        struct inode            *inode)
 {
-       kmem_zone_free(xfs_vnode_zone, vn_from_inode(inode));
+       kmem_zone_free(xfs_vnode_zone, LINVFS_GET_VP(inode));
 }
 
 STATIC void
-xfs_fs_inode_init_once(
-       void                    *vnode,
-       kmem_zone_t             *zonep,
+linvfs_inode_init_once(
+       void                    *data,
+       kmem_cache_t            *cachep,
        unsigned long           flags)
 {
+       vnode_t                 *vp = (vnode_t *)data;
+
        if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
-                     SLAB_CTOR_CONSTRUCTOR)
-               inode_init_once(vn_to_inode((bhv_vnode_t *)vnode));
+           SLAB_CTOR_CONSTRUCTOR)
+               inode_init_once(LINVFS_GET_IP(vp));
 }
 
 STATIC int
-xfs_init_zones(void)
+linvfs_init_zones(void)
 {
-       xfs_vnode_zone = kmem_zone_init_flags(sizeof(bhv_vnode_t), "xfs_vnode",
-                                       KM_ZONE_HWALIGN | KM_ZONE_RECLAIM |
-                                       KM_ZONE_SPREAD,
-                                       xfs_fs_inode_init_once);
+       xfs_vnode_zone = kmem_cache_create("xfs_vnode",
+                               sizeof(vnode_t), 0, SLAB_RECLAIM_ACCOUNT,
+                               linvfs_inode_init_once, NULL);
        if (!xfs_vnode_zone)
                goto out;
 
@@ -389,12 +387,15 @@ xfs_init_zones(void)
        if (!xfs_ioend_zone)
                goto out_destroy_vnode_zone;
 
-       xfs_ioend_pool = mempool_create_slab_pool(4 * MAX_BUF_PER_PAGE,
-                                                 xfs_ioend_zone);
+       xfs_ioend_pool = mempool_create(4 * MAX_BUF_PER_PAGE,
+                       mempool_alloc_slab, mempool_free_slab,
+                       xfs_ioend_zone);
        if (!xfs_ioend_pool)
                goto out_free_ioend_zone;
+
        return 0;
 
+
  out_free_ioend_zone:
        kmem_zone_destroy(xfs_ioend_zone);
  out_destroy_vnode_zone:
@@ -404,7 +405,7 @@ xfs_init_zones(void)
 }
 
 STATIC void
-xfs_destroy_zones(void)
+linvfs_destroy_zones(void)
 {
        mempool_destroy(xfs_ioend_pool);
        kmem_zone_destroy(xfs_vnode_zone);
@@ -415,34 +416,40 @@ xfs_destroy_zones(void)
  * Attempt to flush the inode, this will actually fail
  * if the inode is pinned, but we dirty the inode again
  * at the point when it is unpinned after a log write,
- * since this is when the inode itself becomes flushable.
+ * since this is when the inode itself becomes flushable. 
  */
 STATIC int
-xfs_fs_write_inode(
+linvfs_write_inode(
        struct inode            *inode,
        int                     sync)
 {
-       bhv_vnode_t             *vp = vn_from_inode(inode);
+       vnode_t                 *vp = LINVFS_GET_VP(inode);
        int                     error = 0, flags = FLUSH_INODE;
 
        if (vp) {
                vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
                if (sync)
                        flags |= FLUSH_SYNC;
-               error = bhv_vop_iflush(vp, flags);
-               if (error == EAGAIN)
-                       error = sync? bhv_vop_iflush(vp, flags | FLUSH_LOG) : 0;
+               VOP_IFLUSH(vp, flags, error);
+               if (error == EAGAIN) {
+                       if (sync)
+                               VOP_IFLUSH(vp, flags | FLUSH_LOG, error);
+                       else
+                               error = 0;
+               }
        }
+
        return -error;
 }
 
 STATIC void
-xfs_fs_clear_inode(
+linvfs_clear_inode(
        struct inode            *inode)
 {
-       bhv_vnode_t             *vp = vn_from_inode(inode);
+       vnode_t                 *vp = LINVFS_GET_VP(inode);
+       int                     error, cache;
 
-       vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+       vn_trace_entry(vp, "clear_inode", (inst_t *)__return_address);
 
        XFS_STATS_INC(vn_rele);
        XFS_STATS_INC(vn_remove);
@@ -453,18 +460,20 @@ xfs_fs_clear_inode(
         * This can happen because xfs_iget_core calls xfs_idestroy if we
         * find an inode with di_mode == 0 but without IGET_CREATE set.
         */
-       if (VNHEAD(vp))
-               bhv_vop_inactive(vp, NULL);
+       if (vp->v_fbhv)
+               VOP_INACTIVE(vp, NULL, cache);
 
        VN_LOCK(vp);
        vp->v_flag &= ~VMODIFIED;
        VN_UNLOCK(vp, 0);
 
-       if (VNHEAD(vp))
-               if (bhv_vop_reclaim(vp))
-                       panic("%s: cannot reclaim 0x%p\n", __FUNCTION__, vp);
+       if (vp->v_fbhv) {
+               VOP_RECLAIM(vp, error);
+               if (error)
+                       panic("vn_purge: cannot reclaim");
+       }
 
-       ASSERT(VNHEAD(vp) == NULL);
+       ASSERT(vp->v_fbhv == NULL);
 
 #ifdef XFS_VNODE_TRACE
        ktrace_free(vp->v_trace);
@@ -480,13 +489,13 @@ xfs_fs_clear_inode(
  */
 STATIC void
 xfs_syncd_queue_work(
-       struct bhv_vfs  *vfs,
+       struct vfs      *vfs,
        void            *data,
-       void            (*syncer)(bhv_vfs_t *, void *))
+       void            (*syncer)(vfs_t *, void *))
 {
-       struct bhv_vfs_sync_work *work;
+       vfs_sync_work_t *work;
 
-       work = kmem_alloc(sizeof(struct bhv_vfs_sync_work), KM_SLEEP);
+       work = kmem_alloc(sizeof(struct vfs_sync_work), KM_SLEEP);
        INIT_LIST_HEAD(&work->w_list);
        work->w_syncer = syncer;
        work->w_data = data;
@@ -505,7 +514,7 @@ xfs_syncd_queue_work(
  */
 STATIC void
 xfs_flush_inode_work(
-       bhv_vfs_t       *vfs,
+       vfs_t           *vfs,
        void            *inode)
 {
        filemap_flush(((struct inode *)inode)->i_mapping);
@@ -516,8 +525,8 @@ void
 xfs_flush_inode(
        xfs_inode_t     *ip)
 {
-       struct inode    *inode = vn_to_inode(XFS_ITOV(ip));
-       struct bhv_vfs  *vfs = XFS_MTOVFS(ip->i_mount);
+       struct inode    *inode = LINVFS_GET_IP(XFS_ITOV(ip));
+       struct vfs      *vfs = XFS_MTOVFS(ip->i_mount);
 
        igrab(inode);
        xfs_syncd_queue_work(vfs, inode, xfs_flush_inode_work);
@@ -530,7 +539,7 @@ xfs_flush_inode(
  */
 STATIC void
 xfs_flush_device_work(
-       bhv_vfs_t       *vfs,
+       vfs_t           *vfs,
        void            *inode)
 {
        sync_blockdev(vfs->vfs_super->s_bdev);
@@ -541,8 +550,8 @@ void
 xfs_flush_device(
        xfs_inode_t     *ip)
 {
-       struct inode    *inode = vn_to_inode(XFS_ITOV(ip));
-       struct bhv_vfs  *vfs = XFS_MTOVFS(ip->i_mount);
+       struct inode    *inode = LINVFS_GET_IP(XFS_ITOV(ip));
+       struct vfs      *vfs = XFS_MTOVFS(ip->i_mount);
 
        igrab(inode);
        xfs_syncd_queue_work(vfs, inode, xfs_flush_device_work);
@@ -550,16 +559,16 @@ xfs_flush_device(
        xfs_log_force(ip->i_mount, (xfs_lsn_t)0, XFS_LOG_FORCE|XFS_LOG_SYNC);
 }
 
+#define SYNCD_FLAGS    (SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR)
 STATIC void
 vfs_sync_worker(
-       bhv_vfs_t       *vfsp,
+       vfs_t           *vfsp,
        void            *unused)
 {
        int             error;
 
        if (!(vfsp->vfs_flag & VFS_RDONLY))
-               error = bhv_vfs_sync(vfsp, SYNC_FSDATA | SYNC_BDFLUSH | \
-                                       SYNC_ATTR | SYNC_REFCACHE, NULL);
+               VFS_SYNC(vfsp, SYNCD_FLAGS, NULL, error);
        vfsp->vfs_sync_seq++;
        wmb();
        wake_up(&vfsp->vfs_wait_single_sync_task);
@@ -570,8 +579,8 @@ xfssyncd(
        void                    *arg)
 {
        long                    timeleft;
-       bhv_vfs_t               *vfsp = (bhv_vfs_t *) arg;
-       bhv_vfs_sync_work_t     *work, *n;
+       vfs_t                   *vfsp = (vfs_t *) arg;
+       struct vfs_sync_work    *work, *n;
        LIST_HEAD               (tmp);
 
        timeleft = xfs_syncd_centisecs * msecs_to_jiffies(10);
@@ -605,7 +614,7 @@ xfssyncd(
                        list_del(&work->w_list);
                        if (work == &vfsp->vfs_sync_work)
                                continue;
-                       kmem_free(work, sizeof(struct bhv_vfs_sync_work));
+                       kmem_free(work, sizeof(struct vfs_sync_work));
                }
        }
 
@@ -613,8 +622,8 @@ xfssyncd(
 }
 
 STATIC int
-xfs_fs_start_syncd(
-       bhv_vfs_t               *vfsp)
+linvfs_start_syncd(
+       vfs_t                   *vfsp)
 {
        vfsp->vfs_sync_work.w_syncer = vfs_sync_worker;
        vfsp->vfs_sync_work.w_vfs = vfsp;
@@ -625,54 +634,63 @@ xfs_fs_start_syncd(
 }
 
 STATIC void
-xfs_fs_stop_syncd(
-       bhv_vfs_t               *vfsp)
+linvfs_stop_syncd(
+       vfs_t                   *vfsp)
 {
        kthread_stop(vfsp->vfs_sync_task);
 }
 
 STATIC void
-xfs_fs_put_super(
+linvfs_put_super(
        struct super_block      *sb)
 {
-       bhv_vfs_t               *vfsp = vfs_from_sb(sb);
+       vfs_t                   *vfsp = LINVFS_GET_VFS(sb);
        int                     error;
 
-       xfs_fs_stop_syncd(vfsp);
-       bhv_vfs_sync(vfsp, SYNC_ATTR | SYNC_DELWRI, NULL);
-       error = bhv_vfs_unmount(vfsp, 0, NULL);
+       linvfs_stop_syncd(vfsp);
+       VFS_SYNC(vfsp, SYNC_ATTR|SYNC_DELWRI, NULL, error);
+       if (!error)
+               VFS_UNMOUNT(vfsp, 0, NULL, error);
        if (error) {
-               printk("XFS: unmount got error=%d\n", error);
-               printk("%s: vfs=0x%p left dangling!\n", __FUNCTION__, vfsp);
-       } else {
-               vfs_deallocate(vfsp);
+               printk("XFS unmount got error %d\n", error);
+               printk("%s: vfsp/0x%p left dangling!\n", __FUNCTION__, vfsp);
+               return;
        }
+
+       vfs_deallocate(vfsp);
 }
 
 STATIC void
-xfs_fs_write_super(
+linvfs_write_super(
        struct super_block      *sb)
 {
-       if (!(sb->s_flags & MS_RDONLY))
-               bhv_vfs_sync(vfs_from_sb(sb), SYNC_FSDATA, NULL);
+       vfs_t                   *vfsp = LINVFS_GET_VFS(sb);
+       int                     error;
+
+       if (sb->s_flags & MS_RDONLY) {
+               sb->s_dirt = 0; /* paranoia */
+               return;
+       }
+       /* Push the log and superblock a little */
+       VFS_SYNC(vfsp, SYNC_FSDATA, NULL, error);
        sb->s_dirt = 0;
 }
 
 STATIC int
-xfs_fs_sync_super(
+linvfs_sync_super(
        struct super_block      *sb,
        int                     wait)
 {
-       bhv_vfs_t               *vfsp = vfs_from_sb(sb);
-       int                     error;
-       int                     flags;
+       vfs_t           *vfsp = LINVFS_GET_VFS(sb);
+       int             error;
+       int             flags = SYNC_FSDATA;
 
        if (unlikely(sb->s_frozen == SB_FREEZE_WRITE))
                flags = SYNC_QUIESCE;
        else
                flags = SYNC_FSDATA | (wait ? SYNC_WAIT : 0);
 
-       error = bhv_vfs_sync(vfsp, flags, NULL);
+       VFS_SYNC(vfsp, flags, NULL, error);
        sb->s_dirt = 0;
 
        if (unlikely(laptop_mode)) {
@@ -698,25 +716,28 @@ xfs_fs_sync_super(
 }
 
 STATIC int
-xfs_fs_statfs(
-       struct dentry           *dentry,
+linvfs_statfs(
+       struct super_block      *sb,
        struct kstatfs          *statp)
 {
-       return -bhv_vfs_statvfs(vfs_from_sb(dentry->d_sb), statp,
-                               vn_from_inode(dentry->d_inode));
+       vfs_t                   *vfsp = LINVFS_GET_VFS(sb);
+       int                     error;
+
+       VFS_STATVFS(vfsp, statp, NULL, error);
+       return -error;
 }
 
 STATIC int
-xfs_fs_remount(
+linvfs_remount(
        struct super_block      *sb,
        int                     *flags,
        char                    *options)
 {
-       bhv_vfs_t               *vfsp = vfs_from_sb(sb);
-       struct xfs_mount_args   *args = xfs_args_allocate(sb, 0);
+       vfs_t                   *vfsp = LINVFS_GET_VFS(sb);
+       struct xfs_mount_args   *args = xfs_args_allocate(sb);
        int                     error;
 
-       error = bhv_vfs_parseargs(vfsp, options, args, 1);
+       VFS_PARSEARGS(vfsp, options, args, 1, error);
        if ((args->flags2 & XFSMNT2_TAGXID) &&
                !(sb->s_flags & MS_TAGXID)) {
                printk("XFS: %s: tagxid not permitted on remount.\n",
@@ -724,109 +745,137 @@ xfs_fs_remount(
                error = EINVAL;
        }
        if (!error)
-               error = bhv_vfs_mntupdate(vfsp, flags, args);
+               VFS_MNTUPDATE(vfsp, flags, args, error);
        kmem_free(args, sizeof(*args));
        return -error;
 }
 
 STATIC void
-xfs_fs_lockfs(
+linvfs_freeze_fs(
        struct super_block      *sb)
 {
-       bhv_vfs_freeze(vfs_from_sb(sb));
+       VFS_FREEZE(LINVFS_GET_VFS(sb));
 }
 
 STATIC int
-xfs_fs_show_options(
+linvfs_show_options(
        struct seq_file         *m,
        struct vfsmount         *mnt)
 {
-       return -bhv_vfs_showargs(vfs_from_sb(mnt->mnt_sb), m);
+       struct vfs              *vfsp = LINVFS_GET_VFS(mnt->mnt_sb);
+       int                     error;
+
+       VFS_SHOWARGS(vfsp, m, error);
+       return error;
 }
 
 STATIC int
-xfs_fs_quotasync(
+linvfs_quotasync(
        struct super_block      *sb,
        int                     type)
 {
-       return -bhv_vfs_quotactl(vfs_from_sb(sb), Q_XQUOTASYNC, 0, NULL);
+       struct vfs              *vfsp = LINVFS_GET_VFS(sb);
+       int                     error;
+
+       VFS_QUOTACTL(vfsp, Q_XQUOTASYNC, 0, (caddr_t)NULL, error);
+       return -error;
 }
 
 STATIC int
-xfs_fs_getxstate(
+linvfs_getxstate(
        struct super_block      *sb,
        struct fs_quota_stat    *fqs)
 {
-       return -bhv_vfs_quotactl(vfs_from_sb(sb), Q_XGETQSTAT, 0, (caddr_t)fqs);
+       struct vfs              *vfsp = LINVFS_GET_VFS(sb);
+       int                     error;
+
+       VFS_QUOTACTL(vfsp, Q_XGETQSTAT, 0, (caddr_t)fqs, error);
+       return -error;
 }
 
 STATIC int
-xfs_fs_setxstate(
+linvfs_setxstate(
        struct super_block      *sb,
        unsigned int            flags,
        int                     op)
 {
-       return -bhv_vfs_quotactl(vfs_from_sb(sb), op, 0, (caddr_t)&flags);
+       struct vfs              *vfsp = LINVFS_GET_VFS(sb);
+       int                     error;
+
+       VFS_QUOTACTL(vfsp, op, 0, (caddr_t)&flags, error);
+       return -error;
 }
 
 STATIC int
-xfs_fs_getxquota(
+linvfs_getxquota(
        struct super_block      *sb,
        int                     type,
        qid_t                   id,
        struct fs_disk_quota    *fdq)
 {
-       return -bhv_vfs_quotactl(vfs_from_sb(sb),
-                                (type == USRQUOTA) ? Q_XGETQUOTA :
-                                 ((type == GRPQUOTA) ? Q_XGETGQUOTA :
-                                  Q_XGETPQUOTA), id, (caddr_t)fdq);
+       struct vfs              *vfsp = LINVFS_GET_VFS(sb);
+       int                     error, getmode;
+
+       getmode = (type == USRQUOTA) ? Q_XGETQUOTA :
+                ((type == GRPQUOTA) ? Q_XGETGQUOTA : Q_XGETPQUOTA);
+       VFS_QUOTACTL(vfsp, getmode, id, (caddr_t)fdq, error);
+       return -error;
 }
 
 STATIC int
-xfs_fs_setxquota(
+linvfs_setxquota(
        struct super_block      *sb,
        int                     type,
        qid_t                   id,
        struct fs_disk_quota    *fdq)
 {
-       return -bhv_vfs_quotactl(vfs_from_sb(sb),
-                                (type == USRQUOTA) ? Q_XSETQLIM :
-                                 ((type == GRPQUOTA) ? Q_XSETGQLIM :
-                                  Q_XSETPQLIM), id, (caddr_t)fdq);
+       struct vfs              *vfsp = LINVFS_GET_VFS(sb);
+       int                     error, setmode;
+
+       setmode = (type == USRQUOTA) ? Q_XSETQLIM :
+                ((type == GRPQUOTA) ? Q_XSETGQLIM : Q_XSETPQLIM);
+       VFS_QUOTACTL(vfsp, setmode, id, (caddr_t)fdq, error);
+       return -error;
 }
 
 STATIC int
-xfs_fs_fill_super(
+linvfs_fill_super(
        struct super_block      *sb,
        void                    *data,
        int                     silent)
 {
-       struct bhv_vnode        *rootvp;
-       struct bhv_vfs          *vfsp = vfs_allocate(sb);
-       struct xfs_mount_args   *args = xfs_args_allocate(sb, silent);
+       vnode_t                 *rootvp;
+       struct vfs              *vfsp = vfs_allocate();
+       struct xfs_mount_args   *args = xfs_args_allocate(sb);
        struct kstatfs          statvfs;
-       int                     error;
+       int                     error, error2;
 
+       vfsp->vfs_super = sb;
+       LINVFS_SET_VFS(sb, vfsp);
+       if (sb->s_flags & MS_RDONLY)
+               vfsp->vfs_flag |= VFS_RDONLY;
        bhv_insert_all_vfsops(vfsp);
 
-       error = bhv_vfs_parseargs(vfsp, (char *)data, args, 0);
+       VFS_PARSEARGS(vfsp, (char *)data, args, 0, error);
        if (error) {
                bhv_remove_all_vfsops(vfsp, 1);
                goto fail_vfsop;
        }
 
        sb_min_blocksize(sb, BBSIZE);
-       sb->s_export_op = &xfs_export_operations;
-       sb->s_qcop = &xfs_quotactl_operations;
-       sb->s_op = &xfs_super_operations;
+#ifdef CONFIG_XFS_EXPORT
+       sb->s_export_op = &linvfs_export_ops;
+#endif
+       sb->s_qcop = &linvfs_qops;
+       sb->s_op = &linvfs_sops;
 
-       error = bhv_vfs_mount(vfsp, args, NULL);
+       VFS_MOUNT(vfsp, args, NULL, error);
        if (error) {
                bhv_remove_all_vfsops(vfsp, 1);
                goto fail_vfsop;
        }
 
-       error = bhv_vfs_statvfs(vfsp, &statvfs, NULL);
+       VFS_STATVFS(vfsp, &statvfs, NULL, error);
        if (error)
                goto fail_unmount;
 
@@ -838,11 +887,11 @@ xfs_fs_fill_super(
        sb->s_time_gran = 1;
        set_posix_acl_flag(sb);
 
-       error = bhv_vfs_root(vfsp, &rootvp);
+       VFS_ROOT(vfsp, &rootvp, error);
        if (error)
                goto fail_unmount;
 
-       sb->s_root = d_alloc_root(vn_to_inode(rootvp));
+       sb->s_root = d_alloc_root(LINVFS_GET_IP(rootvp));
        if (!sb->s_root) {
                error = ENOMEM;
                goto fail_vnrele;
@@ -851,7 +900,7 @@ xfs_fs_fill_super(
                error = EINVAL;
                goto fail_vnrele;
        }
-       if ((error = xfs_fs_start_syncd(vfsp)))
+       if ((error = linvfs_start_syncd(vfsp)))
                goto fail_vnrele;
        vn_trace_exit(rootvp, __FUNCTION__, (inst_t *)__return_address);
 
@@ -867,7 +916,7 @@ fail_vnrele:
        }
 
 fail_unmount:
-       bhv_vfs_unmount(vfsp, 0, NULL);
+       VFS_UNMOUNT(vfsp, 0, NULL, error2);
 
 fail_vfsop:
        vfs_deallocate(vfsp);
@@ -875,44 +924,42 @@ fail_vfsop:
        return -error;
 }
 
-STATIC int
-xfs_fs_get_sb(
+STATIC struct super_block *
+linvfs_get_sb(
        struct file_system_type *fs_type,
        int                     flags,
        const char              *dev_name,
-       void                    *data,
-       struct vfsmount         *mnt)
+       void                    *data)
 {
-       return get_sb_bdev(fs_type, flags, dev_name, data, xfs_fs_fill_super,
-                          mnt);
-}
-
-STATIC struct super_operations xfs_super_operations = {
-       .alloc_inode            = xfs_fs_alloc_inode,
-       .destroy_inode          = xfs_fs_destroy_inode,
-       .write_inode            = xfs_fs_write_inode,
-       .clear_inode            = xfs_fs_clear_inode,
-       .put_super              = xfs_fs_put_super,
-       .write_super            = xfs_fs_write_super,
-       .sync_fs                = xfs_fs_sync_super,
-       .write_super_lockfs     = xfs_fs_lockfs,
-       .statfs                 = xfs_fs_statfs,
-       .remount_fs             = xfs_fs_remount,
-       .show_options           = xfs_fs_show_options,
+       return get_sb_bdev(fs_type, flags, dev_name, data, linvfs_fill_super);
+}
+
+STATIC struct super_operations linvfs_sops = {
+       .alloc_inode            = linvfs_alloc_inode,
+       .destroy_inode          = linvfs_destroy_inode,
+       .write_inode            = linvfs_write_inode,
+       .clear_inode            = linvfs_clear_inode,
+       .put_super              = linvfs_put_super,
+       .write_super            = linvfs_write_super,
+       .sync_fs                = linvfs_sync_super,
+       .write_super_lockfs     = linvfs_freeze_fs,
+       .statfs                 = linvfs_statfs,
+       .remount_fs             = linvfs_remount,
+       .show_options           = linvfs_show_options,
 };
 
-STATIC struct quotactl_ops xfs_quotactl_operations = {
-       .quota_sync             = xfs_fs_quotasync,
-       .get_xstate             = xfs_fs_getxstate,
-       .set_xstate             = xfs_fs_setxstate,
-       .get_xquota             = xfs_fs_getxquota,
-       .set_xquota             = xfs_fs_setxquota,
+STATIC struct quotactl_ops linvfs_qops = {
+       .quota_sync             = linvfs_quotasync,
+       .get_xstate             = linvfs_getxstate,
+       .set_xstate             = linvfs_setxstate,
+       .get_xquota             = linvfs_getxquota,
+       .set_xquota             = linvfs_setxquota,
 };
 
 STATIC struct file_system_type xfs_fs_type = {
        .owner                  = THIS_MODULE,
        .name                   = "xfs",
-       .get_sb                 = xfs_fs_get_sb,
+       .get_sb                 = linvfs_get_sb,
        .kill_sb                = kill_block_super,
        .fs_flags               = FS_REQUIRES_DEV,
 };
@@ -933,7 +980,7 @@ init_xfs_fs( void )
 
        ktrace_init(64);
 
-       error = xfs_init_zones();
+       error = linvfs_init_zones();
        if (error < 0)
                goto undo_zones;
 
@@ -949,13 +996,14 @@ init_xfs_fs( void )
        error = register_filesystem(&xfs_fs_type);
        if (error)
                goto undo_register;
+       XFS_DM_INIT(&xfs_fs_type);
        return 0;
 
 undo_register:
        xfs_buf_terminate();
 
 undo_buffers:
-       xfs_destroy_zones();
+       linvfs_destroy_zones();
 
 undo_zones:
        return error;
@@ -965,10 +1013,11 @@ STATIC void __exit
 exit_xfs_fs( void )
 {
        vfs_exitquota();
+       XFS_DM_EXIT(&xfs_fs_type);
        unregister_filesystem(&xfs_fs_type);
        xfs_cleanup();
        xfs_buf_terminate();
-       xfs_destroy_zones();
+       linvfs_destroy_zones();
        ktrace_uninit();
 }