]> err.no Git - linux-2.6/blobdiff - fs/xfs/xfs_vnodeops.c
x86/pci: add pci=skip_isa_align command lines.
[linux-2.6] / fs / xfs / xfs_vnodeops.c
index 7f380e885a6fee39fa1ca10332762fb91316913b..6650601c64f7644f612fa2488bdfd78a0a79720d 100644 (file)
@@ -48,7 +48,6 @@
 #include "xfs_quota.h"
 #include "xfs_utils.h"
 #include "xfs_rtalloc.h"
-#include "xfs_refcache.h"
 #include "xfs_trans_space.h"
 #include "xfs_log_priv.h"
 #include "xfs_filestream.h"
@@ -327,7 +326,7 @@ xfs_setattr(
                if (DM_EVENT_ENABLED(ip, DM_EVENT_TRUNCATE) &&
                    !(flags & ATTR_DMI)) {
                        int dmflags = AT_DELAY_FLAG(flags) | DM_SEM_FLAG_WR;
-                       code = XFS_SEND_DATA(mp, DM_EVENT_TRUNCATE, vp,
+                       code = XFS_SEND_DATA(mp, DM_EVENT_TRUNCATE, ip,
                                vap->va_size, 0, dmflags, NULL);
                        if (code) {
                                lock_flags = 0;
@@ -634,6 +633,15 @@ xfs_setattr(
         * Truncate file.  Must have write permission and not be a directory.
         */
        if (mask & XFS_AT_SIZE) {
+               /*
+                * Only change the c/mtime if we are changing the size
+                * or we are explicitly asked to change it. This handles
+                * the semantic difference between truncate() and ftruncate()
+                * as implemented in the VFS.
+                */
+               if (vap->va_size != ip->i_size || (mask & XFS_AT_CTIME))
+                       timeflags |= XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG;
+
                if (vap->va_size > ip->i_size) {
                        xfs_igrow_finish(tp, ip, vap->va_size,
                            !(flags & ATTR_DMI));
@@ -662,10 +670,6 @@ xfs_setattr(
                         */
                        xfs_iflags_set(ip, XFS_ITRUNCATED);
                }
-               /*
-                * Have to do this even if the file's size doesn't change.
-                */
-               timeflags |= XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG;
        }
 
        /*
@@ -877,7 +881,7 @@ xfs_setattr(
 
        if (DM_EVENT_ENABLED(ip, DM_EVENT_ATTRIBUTE) &&
            !(flags & ATTR_DMI)) {
-               (void) XFS_SEND_NAMESP(mp, DM_EVENT_ATTRIBUTE, vp, DM_RIGHT_NULL,
+               (void) XFS_SEND_NAMESP(mp, DM_EVENT_ATTRIBUTE, ip, DM_RIGHT_NULL,
                                        NULL, DM_RIGHT_NULL, NULL, NULL,
                                        0, 0, AT_DELAY_FLAG(flags));
        }
@@ -898,27 +902,6 @@ xfs_setattr(
        return code;
 }
 
-
-/*
- * xfs_access
- * Null conversion from vnode mode bits to inode mode bits, as in efs.
- */
-int
-xfs_access(
-       xfs_inode_t     *ip,
-       int             mode,
-       cred_t          *credp)
-{
-       int             error;
-
-       xfs_itrace_entry(ip);
-       xfs_ilock(ip, XFS_ILOCK_SHARED);
-       error = xfs_iaccess(ip, mode, credp);
-       xfs_iunlock(ip, XFS_ILOCK_SHARED);
-       return error;
-}
-
-
 /*
  * The maximum pathlen is 1024 bytes. Since the minimum file system
  * blocksize is 512 bytes, we can get a max of 2 extents back from
@@ -1464,28 +1447,22 @@ xfs_inactive_attrs(
        tp = *tpp;
        mp = ip->i_mount;
        ASSERT(ip->i_d.di_forkoff != 0);
-       xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
+       error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
        xfs_iunlock(ip, XFS_ILOCK_EXCL);
+       if (error)
+               goto error_unlock;
 
        error = xfs_attr_inactive(ip);
-       if (error) {
-               *tpp = NULL;
-               xfs_iunlock(ip, XFS_IOLOCK_EXCL);
-               return error; /* goto out */
-       }
+       if (error)
+               goto error_unlock;
 
        tp = xfs_trans_alloc(mp, XFS_TRANS_INACTIVE);
        error = xfs_trans_reserve(tp, 0,
                                  XFS_IFREE_LOG_RES(mp),
                                  0, XFS_TRANS_PERM_LOG_RES,
                                  XFS_INACTIVE_LOG_COUNT);
-       if (error) {
-               ASSERT(XFS_FORCED_SHUTDOWN(mp));
-               xfs_trans_cancel(tp, 0);
-               *tpp = NULL;
-               xfs_iunlock(ip, XFS_IOLOCK_EXCL);
-               return error;
-       }
+       if (error)
+               goto error_cancel;
 
        xfs_ilock(ip, XFS_ILOCK_EXCL);
        xfs_trans_ijoin(tp, ip, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL);
@@ -1496,6 +1473,14 @@ xfs_inactive_attrs(
 
        *tpp = tp;
        return 0;
+
+error_cancel:
+       ASSERT(XFS_FORCED_SHUTDOWN(mp));
+       xfs_trans_cancel(tp, 0);
+error_unlock:
+       *tpp = NULL;
+       xfs_iunlock(ip, XFS_IOLOCK_EXCL);
+       return error;
 }
 
 int
@@ -1541,12 +1526,6 @@ xfs_release(
                        xfs_flush_pages(ip, 0, -1, XFS_B_ASYNC, FI_NONE);
        }
 
-#ifdef HAVE_REFCACHE
-       /* If we are in the NFS reference cache then don't do this now */
-       if (ip->i_refcache)
-               return 0;
-#endif
-
        if (ip->i_d.di_nlink != 0) {
                if ((((ip->i_d.di_mode & S_IFMT) == S_IFREG) &&
                     ((ip->i_size > 0) || (VN_CACHED(vp) > 0 ||
@@ -1557,9 +1536,6 @@ xfs_release(
                        error = xfs_free_eofblocks(mp, ip, XFS_FREE_EOF_LOCK);
                        if (error)
                                return error;
-                       /* Update linux inode block count after free above */
-                       vn_to_inode(vp)->i_blocks = XFS_FSB_TO_BB(mp,
-                               ip->i_d.di_nblocks + ip->i_delayed_blks);
                }
        }
 
@@ -1612,9 +1588,8 @@ xfs_inactive(
 
        mp = ip->i_mount;
 
-       if (ip->i_d.di_nlink == 0 && DM_EVENT_ENABLED(ip, DM_EVENT_DESTROY)) {
-               (void) XFS_SEND_DESTROY(mp, vp, DM_RIGHT_NULL);
-       }
+       if (ip->i_d.di_nlink == 0 && DM_EVENT_ENABLED(ip, DM_EVENT_DESTROY))
+               XFS_SEND_DESTROY(mp, ip, DM_RIGHT_NULL);
 
        error = 0;
 
@@ -1633,9 +1608,6 @@ xfs_inactive(
                        error = xfs_free_eofblocks(mp, ip, XFS_FREE_EOF_LOCK);
                        if (error)
                                return VN_INACTIVE_CACHE;
-                       /* Update linux inode block count after free above */
-                       vn_to_inode(vp)->i_blocks = XFS_FSB_TO_BB(mp,
-                               ip->i_d.di_nblocks + ip->i_delayed_blks);
                }
                goto out;
        }
@@ -1771,11 +1743,18 @@ xfs_inactive(
                XFS_TRANS_MOD_DQUOT_BYINO(mp, tp, ip, XFS_TRANS_DQ_ICOUNT, -1);
 
                /*
-                * Just ignore errors at this point.  There is
-                * nothing we can do except to try to keep going.
+                * Just ignore errors at this point.  There is nothing we can
+                * do except to try to keep going. Make sure it's not a silent
+                * error.
                 */
-               (void) xfs_bmap_finish(&tp,  &free_list, &committed);
-               (void) xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
+               error = xfs_bmap_finish(&tp,  &free_list, &committed);
+               if (error)
+                       xfs_fs_cmn_err(CE_NOTE, mp, "xfs_inactive: "
+                               "xfs_bmap_finish() returned error %d", error);
+               error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
+               if (error)
+                       xfs_fs_cmn_err(CE_NOTE, mp, "xfs_inactive: "
+                               "xfs_trans_commit() returned error %d", error);
        }
        /*
         * Release the dquots held by inode, if any.
@@ -1792,8 +1771,8 @@ xfs_inactive(
 int
 xfs_lookup(
        xfs_inode_t             *dp,
-       bhv_vname_t             *dentry,
-       bhv_vnode_t             **vpp)
+       struct xfs_name         *name,
+       xfs_inode_t             **ipp)
 {
        xfs_inode_t             *ip;
        xfs_ino_t               e_inum;
@@ -1806,9 +1785,9 @@ xfs_lookup(
                return XFS_ERROR(EIO);
 
        lock_mode = xfs_ilock_map_shared(dp);
-       error = xfs_dir_lookup_int(dp, lock_mode, dentry, &e_inum, &ip);
+       error = xfs_dir_lookup_int(dp, lock_mode, name, &e_inum, &ip);
        if (!error) {
-               *vpp = XFS_ITOV(ip);
+               *ipp = ip;
                xfs_itrace_ref(ip);
        }
        xfs_iunlock_map_shared(dp, lock_mode);
@@ -1818,19 +1797,16 @@ xfs_lookup(
 int
 xfs_create(
        xfs_inode_t             *dp,
-       bhv_vname_t             *dentry,
+       struct xfs_name         *name,
        mode_t                  mode,
        xfs_dev_t               rdev,
-       bhv_vnode_t             **vpp,
+       xfs_inode_t             **ipp,
        cred_t                  *credp)
 {
-       char                    *name = VNAME(dentry);
-       xfs_mount_t             *mp = dp->i_mount;
-       bhv_vnode_t             *dir_vp = XFS_ITOV(dp);
+       xfs_mount_t             *mp = dp->i_mount;
        xfs_inode_t             *ip;
-       bhv_vnode_t             *vp = NULL;
        xfs_trans_t             *tp;
-       int                     error;
+       int                     error;
        xfs_bmap_free_t         free_list;
        xfs_fsblock_t           first_block;
        boolean_t               unlock_dp_on_error = B_FALSE;
@@ -1840,17 +1816,14 @@ xfs_create(
        xfs_prid_t              prid;
        struct xfs_dquot        *udqp, *gdqp;
        uint                    resblks;
-       int                     namelen;
 
-       ASSERT(!*vpp);
+       ASSERT(!*ipp);
        xfs_itrace_entry(dp);
 
-       namelen = VNAMELEN(dentry);
-
        if (DM_EVENT_ENABLED(dp, DM_EVENT_CREATE)) {
                error = XFS_SEND_NAMESP(mp, DM_EVENT_CREATE,
-                               dir_vp, DM_RIGHT_NULL, NULL,
-                               DM_RIGHT_NULL, name, NULL,
+                               dp, DM_RIGHT_NULL, NULL,
+                               DM_RIGHT_NULL, name->name, NULL,
                                mode, 0, 0);
 
                if (error)
@@ -1882,7 +1855,7 @@ xfs_create(
 
        tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE);
        cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
-       resblks = XFS_CREATE_SPACE_RES(mp, namelen);
+       resblks = XFS_CREATE_SPACE_RES(mp, name->len);
        /*
         * Initially assume that the file does not exist and
         * reserve the resources for that case.  If that is not
@@ -1915,7 +1888,8 @@ xfs_create(
        if (error)
                goto error_return;
 
-       if (resblks == 0 && (error = xfs_dir_canenter(tp, dp, name, namelen)))
+       error = xfs_dir_canenter(tp, dp, name, resblks);
+       if (error)
                goto error_return;
        error = xfs_dir_ialloc(&tp, dp, mode, 1,
                        rdev, credp, prid, resblks > 0,
@@ -1941,11 +1915,11 @@ xfs_create(
         * the transaction cancel unlocking dp so don't do it explicitly in the
         * error path.
         */
-       VN_HOLD(dir_vp);
+       IHOLD(dp);
        xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
        unlock_dp_on_error = B_FALSE;
 
-       error = xfs_dir_createname(tp, dp, name, namelen, ip->i_ino,
+       error = xfs_dir_createname(tp, dp, name, ip->i_ino,
                                        &first_block, &free_list, resblks ?
                                        resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
        if (error) {
@@ -1979,7 +1953,6 @@ xfs_create(
         * vnode to the caller, we bump the vnode ref count now.
         */
        IHOLD(ip);
-       vp = XFS_ITOV(ip);
 
        error = xfs_bmap_finish(&tp, &free_list, &committed);
        if (error) {
@@ -1997,17 +1970,17 @@ xfs_create(
        XFS_QM_DQRELE(mp, udqp);
        XFS_QM_DQRELE(mp, gdqp);
 
-       *vpp = vp;
+       *ipp = ip;
 
        /* Fallthrough to std_return with error = 0  */
 
 std_return:
-       if ((*vpp || (error != 0 && dm_event_sent != 0)) &&
+       if ((*ipp || (error != 0 && dm_event_sent != 0)) &&
            DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) {
                (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE,
-                       dir_vp, DM_RIGHT_NULL,
-                       *vpp ? vp:NULL,
-                       DM_RIGHT_NULL, name, NULL,
+                       dp, DM_RIGHT_NULL,
+                       *ipp ? ip : NULL,
+                       DM_RIGHT_NULL, name->name, NULL,
                        mode, error, 0);
        }
        return error;
@@ -2299,46 +2272,32 @@ int remove_which_error_return = 0;
 int
 xfs_remove(
        xfs_inode_t             *dp,
-       bhv_vname_t             *dentry)
+       struct xfs_name         *name,
+       xfs_inode_t             *ip)
 {
-       bhv_vnode_t             *dir_vp = XFS_ITOV(dp);
-       char                    *name = VNAME(dentry);
        xfs_mount_t             *mp = dp->i_mount;
-       xfs_inode_t             *ip;
        xfs_trans_t             *tp = NULL;
        int                     error = 0;
        xfs_bmap_free_t         free_list;
        xfs_fsblock_t           first_block;
        int                     cancel_flags;
        int                     committed;
-       int                     dm_di_mode = 0;
        int                     link_zero;
        uint                    resblks;
-       int                     namelen;
 
        xfs_itrace_entry(dp);
 
        if (XFS_FORCED_SHUTDOWN(mp))
                return XFS_ERROR(EIO);
 
-       namelen = VNAMELEN(dentry);
-
-       if (!xfs_get_dir_entry(dentry, &ip)) {
-               dm_di_mode = ip->i_d.di_mode;
-               IRELE(ip);
-       }
-
        if (DM_EVENT_ENABLED(dp, DM_EVENT_REMOVE)) {
-               error = XFS_SEND_NAMESP(mp, DM_EVENT_REMOVE, dir_vp,
-                                       DM_RIGHT_NULL, NULL, DM_RIGHT_NULL,
-                                       name, NULL, dm_di_mode, 0, 0);
+               error = XFS_SEND_NAMESP(mp, DM_EVENT_REMOVE, dp, DM_RIGHT_NULL,
+                                       NULL, DM_RIGHT_NULL, name->name, NULL,
+                                       ip->i_d.di_mode, 0, 0);
                if (error)
                        return error;
        }
 
-       /* From this point on, return through std_return */
-       ip = NULL;
-
        /*
         * We need to get a reference to ip before we get our log
         * reservation. The reason for this is that we cannot call
@@ -2351,13 +2310,7 @@ xfs_remove(
         * when we call xfs_iget.  Instead we get an unlocked reference
         * to the inode before getting our log reservation.
         */
-       error = xfs_get_dir_entry(dentry, &ip);
-       if (error) {
-               REMOVE_DEBUG_TRACE(__LINE__);
-               goto std_return;
-       }
-
-       dm_di_mode = ip->i_d.di_mode;
+       IHOLD(ip);
 
        xfs_itrace_entry(ip);
        xfs_itrace_ref(ip);
@@ -2425,7 +2378,7 @@ xfs_remove(
         * Entry must exist since we did a lookup in xfs_lock_dir_and_entry.
         */
        XFS_BMAP_INIT(&free_list, &first_block);
-       error = xfs_dir_removename(tp, dp, name, namelen, ip->i_ino,
+       error = xfs_dir_removename(tp, dp, name, ip->i_ino,
                                        &first_block, &free_list, 0);
        if (error) {
                ASSERT(error != ENOENT);
@@ -2475,14 +2428,6 @@ xfs_remove(
                goto std_return;
        }
 
-       /*
-        * Before we drop our extra reference to the inode, purge it
-        * from the refcache if it is there.  By waiting until afterwards
-        * to do the IRELE, we ensure that we won't go inactive in the
-        * xfs_refcache_purge_ip routine (although that would be OK).
-        */
-       xfs_refcache_purge_ip(ip);
-
        /*
         * If we are using filestreams, kill the stream association.
         * If the file is still open it may get a new one but that
@@ -2499,9 +2444,9 @@ xfs_remove(
  std_return:
        if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTREMOVE)) {
                (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTREMOVE,
-                               dir_vp, DM_RIGHT_NULL,
+                               dp, DM_RIGHT_NULL,
                                NULL, DM_RIGHT_NULL,
-                               name, NULL, dm_di_mode, error, 0);
+                               name->name, NULL, ip->i_d.di_mode, error, 0);
        }
        return error;
 
@@ -2522,14 +2467,6 @@ xfs_remove(
        cancel_flags |= XFS_TRANS_ABORT;
        xfs_trans_cancel(tp, cancel_flags);
 
-       /*
-        * Before we drop our extra reference to the inode, purge it
-        * from the refcache if it is there.  By waiting until afterwards
-        * to do the IRELE, we ensure that we won't go inactive in the
-        * xfs_refcache_purge_ip routine (although that would be OK).
-        */
-       xfs_refcache_purge_ip(ip);
-
        IRELE(ip);
 
        goto std_return;
@@ -2538,12 +2475,10 @@ xfs_remove(
 int
 xfs_link(
        xfs_inode_t             *tdp,
-       bhv_vnode_t             *src_vp,
-       bhv_vname_t             *dentry)
+       xfs_inode_t             *sip,
+       struct xfs_name         *target_name)
 {
-       bhv_vnode_t             *target_dir_vp = XFS_ITOV(tdp);
        xfs_mount_t             *mp = tdp->i_mount;
-       xfs_inode_t             *sip = xfs_vtoi(src_vp);
        xfs_trans_t             *tp;
        xfs_inode_t             *ips[2];
        int                     error;
@@ -2552,23 +2487,20 @@ xfs_link(
        int                     cancel_flags;
        int                     committed;
        int                     resblks;
-       char                    *target_name = VNAME(dentry);
-       int                     target_namelen;
 
        xfs_itrace_entry(tdp);
-       xfs_itrace_entry(xfs_vtoi(src_vp));
+       xfs_itrace_entry(sip);
 
-       target_namelen = VNAMELEN(dentry);
-       ASSERT(!VN_ISDIR(src_vp));
+       ASSERT(!S_ISDIR(sip->i_d.di_mode));
 
        if (XFS_FORCED_SHUTDOWN(mp))
                return XFS_ERROR(EIO);
 
        if (DM_EVENT_ENABLED(tdp, DM_EVENT_LINK)) {
                error = XFS_SEND_NAMESP(mp, DM_EVENT_LINK,
-                                       target_dir_vp, DM_RIGHT_NULL,
-                                       src_vp, DM_RIGHT_NULL,
-                                       target_name, NULL, 0, 0, 0);
+                                       tdp, DM_RIGHT_NULL,
+                                       sip, DM_RIGHT_NULL,
+                                       target_name->name, NULL, 0, 0, 0);
                if (error)
                        return error;
        }
@@ -2583,7 +2515,7 @@ xfs_link(
 
        tp = xfs_trans_alloc(mp, XFS_TRANS_LINK);
        cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
-       resblks = XFS_LINK_SPACE_RES(mp, target_namelen);
+       resblks = XFS_LINK_SPACE_RES(mp, target_name->len);
        error = xfs_trans_reserve(tp, resblks, XFS_LINK_LOG_RES(mp), 0,
                        XFS_TRANS_PERM_LOG_RES, XFS_LINK_LOG_COUNT);
        if (error == ENOSPC) {
@@ -2611,8 +2543,8 @@ xfs_link(
         * xfs_trans_cancel will both unlock the inodes and
         * decrement the associated ref counts.
         */
-       VN_HOLD(src_vp);
-       VN_HOLD(target_dir_vp);
+       IHOLD(sip);
+       IHOLD(tdp);
        xfs_trans_ijoin(tp, sip, XFS_ILOCK_EXCL);
        xfs_trans_ijoin(tp, tdp, XFS_ILOCK_EXCL);
 
@@ -2635,15 +2567,14 @@ xfs_link(
                goto error_return;
        }
 
-       if (resblks == 0 &&
-           (error = xfs_dir_canenter(tp, tdp, target_name, target_namelen)))
+       error = xfs_dir_canenter(tp, tdp, target_name, resblks);
+       if (error)
                goto error_return;
 
        XFS_BMAP_INIT(&free_list, &first_block);
 
-       error = xfs_dir_createname(tp, tdp, target_name, target_namelen,
-                                  sip->i_ino, &first_block, &free_list,
-                                  resblks);
+       error = xfs_dir_createname(tp, tdp, target_name, sip->i_ino,
+                                       &first_block, &free_list, resblks);
        if (error)
                goto abort_return;
        xfs_ichgtime(tdp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
@@ -2677,9 +2608,9 @@ xfs_link(
 std_return:
        if (DM_EVENT_ENABLED(sip, DM_EVENT_POSTLINK)) {
                (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTLINK,
-                               target_dir_vp, DM_RIGHT_NULL,
-                               src_vp, DM_RIGHT_NULL,
-                               target_name, NULL, 0, error, 0);
+                               tdp, DM_RIGHT_NULL,
+                               sip, DM_RIGHT_NULL,
+                               target_name->name, NULL, 0, error, 0);
        }
        return error;
 
@@ -2696,17 +2627,13 @@ std_return:
 int
 xfs_mkdir(
        xfs_inode_t             *dp,
-       bhv_vname_t             *dentry,
+       struct xfs_name         *dir_name,
        mode_t                  mode,
-       bhv_vnode_t             **vpp,
+       xfs_inode_t             **ipp,
        cred_t                  *credp)
 {
-       bhv_vnode_t             *dir_vp = XFS_ITOV(dp);
-       char                    *dir_name = VNAME(dentry);
-       int                     dir_namelen = VNAMELEN(dentry);
        xfs_mount_t             *mp = dp->i_mount;
        xfs_inode_t             *cdp;   /* inode of created dir */
-       bhv_vnode_t             *cvp;   /* vnode of created dir */
        xfs_trans_t             *tp;
        int                     cancel_flags;
        int                     error;
@@ -2727,8 +2654,8 @@ xfs_mkdir(
 
        if (DM_EVENT_ENABLED(dp, DM_EVENT_CREATE)) {
                error = XFS_SEND_NAMESP(mp, DM_EVENT_CREATE,
-                                       dir_vp, DM_RIGHT_NULL, NULL,
-                                       DM_RIGHT_NULL, dir_name, NULL,
+                                       dp, DM_RIGHT_NULL, NULL,
+                                       DM_RIGHT_NULL, dir_name->name, NULL,
                                        mode, 0, 0);
                if (error)
                        return error;
@@ -2757,7 +2684,7 @@ xfs_mkdir(
 
        tp = xfs_trans_alloc(mp, XFS_TRANS_MKDIR);
        cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
-       resblks = XFS_MKDIR_SPACE_RES(mp, dir_namelen);
+       resblks = XFS_MKDIR_SPACE_RES(mp, dir_name->len);
        error = xfs_trans_reserve(tp, resblks, XFS_MKDIR_LOG_RES(mp), 0,
                                  XFS_TRANS_PERM_LOG_RES, XFS_MKDIR_LOG_COUNT);
        if (error == ENOSPC) {
@@ -2789,8 +2716,8 @@ xfs_mkdir(
        if (error)
                goto error_return;
 
-       if (resblks == 0 &&
-           (error = xfs_dir_canenter(tp, dp, dir_name, dir_namelen)))
+       error = xfs_dir_canenter(tp, dp, dir_name, resblks);
+       if (error)
                goto error_return;
        /*
         * create the directory inode.
@@ -2813,15 +2740,15 @@ xfs_mkdir(
         * from here on will result in the transaction cancel
         * unlocking dp so don't do it explicitly in the error path.
         */
-       VN_HOLD(dir_vp);
+       IHOLD(dp);
        xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
        unlock_dp_on_error = B_FALSE;
 
        XFS_BMAP_INIT(&free_list, &first_block);
 
-       error = xfs_dir_createname(tp, dp, dir_name, dir_namelen, cdp->i_ino,
-                                  &first_block, &free_list, resblks ?
-                                  resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
+       error = xfs_dir_createname(tp, dp, dir_name, cdp->i_ino,
+                                       &first_block, &free_list, resblks ?
+                                       resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
        if (error) {
                ASSERT(error != ENOSPC);
                goto error1;
@@ -2844,11 +2771,9 @@ xfs_mkdir(
        if (error)
                goto error2;
 
-       cvp = XFS_ITOV(cdp);
-
        created = B_TRUE;
 
-       *vpp = cvp;
+       *ipp = cdp;
        IHOLD(cdp);
 
        /*
@@ -2885,10 +2810,10 @@ std_return:
        if ((created || (error != 0 && dm_event_sent != 0)) &&
            DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) {
                (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE,
-                                       dir_vp, DM_RIGHT_NULL,
-                                       created ? XFS_ITOV(cdp):NULL,
+                                       dp, DM_RIGHT_NULL,
+                                       created ? cdp : NULL,
                                        DM_RIGHT_NULL,
-                                       dir_name, NULL,
+                                       dir_name->name, NULL,
                                        mode, error, 0);
        }
        return error;
@@ -2912,20 +2837,17 @@ std_return:
 int
 xfs_rmdir(
        xfs_inode_t             *dp,
-       bhv_vname_t             *dentry)
+       struct xfs_name         *name,
+       xfs_inode_t             *cdp)
 {
        bhv_vnode_t             *dir_vp = XFS_ITOV(dp);
-       char                    *name = VNAME(dentry);
-       int                     namelen = VNAMELEN(dentry);
        xfs_mount_t             *mp = dp->i_mount;
-       xfs_inode_t             *cdp;   /* child directory */
        xfs_trans_t             *tp;
        int                     error;
        xfs_bmap_free_t         free_list;
        xfs_fsblock_t           first_block;
        int                     cancel_flags;
        int                     committed;
-       int                     dm_di_mode = S_IFDIR;
        int                     last_cdp_link;
        uint                    resblks;
 
@@ -2934,24 +2856,15 @@ xfs_rmdir(
        if (XFS_FORCED_SHUTDOWN(mp))
                return XFS_ERROR(EIO);
 
-       if (!xfs_get_dir_entry(dentry, &cdp)) {
-               dm_di_mode = cdp->i_d.di_mode;
-               IRELE(cdp);
-       }
-
        if (DM_EVENT_ENABLED(dp, DM_EVENT_REMOVE)) {
                error = XFS_SEND_NAMESP(mp, DM_EVENT_REMOVE,
-                                       dir_vp, DM_RIGHT_NULL,
-                                       NULL, DM_RIGHT_NULL,
-                                       name, NULL, dm_di_mode, 0, 0);
+                                       dp, DM_RIGHT_NULL,
+                                       NULL, DM_RIGHT_NULL, name->name,
+                                       NULL, cdp->i_d.di_mode, 0, 0);
                if (error)
                        return XFS_ERROR(error);
        }
 
-       /* Return through std_return after this point. */
-
-       cdp = NULL;
-
        /*
         * We need to get a reference to cdp before we get our log
         * reservation.  The reason for this is that we cannot call
@@ -2964,13 +2877,7 @@ xfs_rmdir(
         * when we call xfs_iget.  Instead we get an unlocked reference
         * to the inode before getting our log reservation.
         */
-       error = xfs_get_dir_entry(dentry, &cdp);
-       if (error) {
-               REMOVE_DEBUG_TRACE(__LINE__);
-               goto std_return;
-       }
-       mp = dp->i_mount;
-       dm_di_mode = cdp->i_d.di_mode;
+       IHOLD(cdp);
 
        /*
         * Get the dquots for the inodes.
@@ -3047,7 +2954,7 @@ xfs_rmdir(
                goto error_return;
        }
 
-       error = xfs_dir_removename(tp, dp, name, namelen, cdp->i_ino,
+       error = xfs_dir_removename(tp, dp, name, cdp->i_ino,
                                        &first_block, &free_list, resblks);
        if (error)
                goto error1;
@@ -3125,9 +3032,9 @@ xfs_rmdir(
  std_return:
        if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTREMOVE)) {
                (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTREMOVE,
-                                       dir_vp, DM_RIGHT_NULL,
+                                       dp, DM_RIGHT_NULL,
                                        NULL, DM_RIGHT_NULL,
-                                       name, NULL, dm_di_mode,
+                                       name->name, NULL, cdp->i_d.di_mode,
                                        error, 0);
        }
        return error;
@@ -3145,13 +3052,12 @@ xfs_rmdir(
 int
 xfs_symlink(
        xfs_inode_t             *dp,
-       bhv_vname_t             *dentry,
-       char                    *target_path,
+       struct xfs_name         *link_name,
+       const char              *target_path,
        mode_t                  mode,
-       bhv_vnode_t             **vpp,
+       xfs_inode_t             **ipp,
        cred_t                  *credp)
 {
-       bhv_vnode_t             *dir_vp = XFS_ITOV(dp);
        xfs_mount_t             *mp = dp->i_mount;
        xfs_trans_t             *tp;
        xfs_inode_t             *ip;
@@ -3167,17 +3073,15 @@ xfs_symlink(
        int                     nmaps;
        xfs_bmbt_irec_t         mval[SYMLINK_MAPS];
        xfs_daddr_t             d;
-       char                    *cur_chunk;
+       const char              *cur_chunk;
        int                     byte_cnt;
        int                     n;
        xfs_buf_t               *bp;
        xfs_prid_t              prid;
        struct xfs_dquot        *udqp, *gdqp;
        uint                    resblks;
-       char                    *link_name = VNAME(dentry);
-       int                     link_namelen;
 
-       *vpp = NULL;
+       *ipp = NULL;
        error = 0;
        ip = NULL;
        tp = NULL;
@@ -3187,44 +3091,17 @@ xfs_symlink(
        if (XFS_FORCED_SHUTDOWN(mp))
                return XFS_ERROR(EIO);
 
-       link_namelen = VNAMELEN(dentry);
-
        /*
         * Check component lengths of the target path name.
         */
        pathlen = strlen(target_path);
        if (pathlen >= MAXPATHLEN)      /* total string too long */
                return XFS_ERROR(ENAMETOOLONG);
-       if (pathlen >= MAXNAMELEN) {    /* is any component too long? */
-               int len, total;
-               char *path;
-
-               for (total = 0, path = target_path; total < pathlen;) {
-                       /*
-                        * Skip any slashes.
-                        */
-                       while(*path == '/') {
-                               total++;
-                               path++;
-                       }
-
-                       /*
-                        * Count up to the next slash or end of path.
-                        * Error out if the component is bigger than MAXNAMELEN.
-                        */
-                       for(len = 0; *path != '/' && total < pathlen;total++, path++) {
-                               if (++len >= MAXNAMELEN) {
-                                       error = ENAMETOOLONG;
-                                       return error;
-                               }
-                       }
-               }
-       }
 
        if (DM_EVENT_ENABLED(dp, DM_EVENT_SYMLINK)) {
-               error = XFS_SEND_NAMESP(mp, DM_EVENT_SYMLINK, dir_vp,
+               error = XFS_SEND_NAMESP(mp, DM_EVENT_SYMLINK, dp,
                                        DM_RIGHT_NULL, NULL, DM_RIGHT_NULL,
-                                       link_name, target_path, 0, 0, 0);
+                                       link_name->name, target_path, 0, 0, 0);
                if (error)
                        return error;
        }
@@ -3256,7 +3133,7 @@ xfs_symlink(
                fs_blocks = 0;
        else
                fs_blocks = XFS_B_TO_FSB(mp, pathlen);
-       resblks = XFS_SYMLINK_SPACE_RES(mp, link_namelen, fs_blocks);
+       resblks = XFS_SYMLINK_SPACE_RES(mp, link_name->len, fs_blocks);
        error = xfs_trans_reserve(tp, resblks, XFS_SYMLINK_LOG_RES(mp), 0,
                        XFS_TRANS_PERM_LOG_RES, XFS_SYMLINK_LOG_COUNT);
        if (error == ENOSPC && fs_blocks == 0) {
@@ -3290,8 +3167,8 @@ xfs_symlink(
        /*
         * Check for ability to enter directory entry, if no space reserved.
         */
-       if (resblks == 0 &&
-           (error = xfs_dir_canenter(tp, dp, link_name, link_namelen)))
+       error = xfs_dir_canenter(tp, dp, link_name, resblks);
+       if (error)
                goto error_return;
        /*
         * Initialize the bmap freelist prior to calling either
@@ -3316,7 +3193,7 @@ xfs_symlink(
         * transaction cancel unlocking dp so don't do it explicitly in the
         * error path.
         */
-       VN_HOLD(dir_vp);
+       IHOLD(dp);
        xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
        unlock_dp_on_error = B_FALSE;
 
@@ -3383,8 +3260,8 @@ xfs_symlink(
        /*
         * Create the directory entry for the symlink.
         */
-       error = xfs_dir_createname(tp, dp, link_name, link_namelen, ip->i_ino,
-                                  &first_block, &free_list, resblks);
+       error = xfs_dir_createname(tp, dp, link_name, ip->i_ino,
+                                       &first_block, &free_list, resblks);
        if (error)
                goto error1;
        xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
@@ -3426,19 +3303,14 @@ xfs_symlink(
 std_return:
        if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTSYMLINK)) {
                (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTSYMLINK,
-                                       dir_vp, DM_RIGHT_NULL,
-                                       error ? NULL : XFS_ITOV(ip),
-                                       DM_RIGHT_NULL, link_name, target_path,
-                                       0, error, 0);
+                                       dp, DM_RIGHT_NULL,
+                                       error ? NULL : ip,
+                                       DM_RIGHT_NULL, link_name->name,
+                                       target_path, 0, error, 0);
        }
 
-       if (!error) {
-               bhv_vnode_t *vp;
-
-               ASSERT(ip);
-               vp = XFS_ITOV(ip);
-               *vpp = vp;
-       }
+       if (!error)
+               *ipp = ip;
        return error;
 
  error2:
@@ -3457,82 +3329,12 @@ std_return:
        goto std_return;
 }
 
-
-int
-xfs_fid2(
-       xfs_inode_t     *ip,
-       xfs_fid_t       *xfid)
-{
-       xfs_itrace_entry(ip);
-
-       xfid->fid_len = sizeof(xfs_fid_t) - sizeof(xfid->fid_len);
-       xfid->fid_pad = 0;
-       /*
-        * use memcpy because the inode is a long long and there's no
-        * assurance that xfid->fid_ino is properly aligned.
-        */
-       memcpy(&xfid->fid_ino, &ip->i_ino, sizeof(xfid->fid_ino));
-       xfid->fid_gen = ip->i_d.di_gen;
-
-       return 0;
-}
-
-
-int
-xfs_rwlock(
-       xfs_inode_t     *ip,
-       bhv_vrwlock_t   locktype)
-{
-       if (S_ISDIR(ip->i_d.di_mode))
-               return 1;
-       if (locktype == VRWLOCK_WRITE) {
-               xfs_ilock(ip, XFS_IOLOCK_EXCL);
-       } else if (locktype == VRWLOCK_TRY_READ) {
-               return xfs_ilock_nowait(ip, XFS_IOLOCK_SHARED);
-       } else if (locktype == VRWLOCK_TRY_WRITE) {
-               return xfs_ilock_nowait(ip, XFS_IOLOCK_EXCL);
-       } else {
-               ASSERT((locktype == VRWLOCK_READ) ||
-                      (locktype == VRWLOCK_WRITE_DIRECT));
-               xfs_ilock(ip, XFS_IOLOCK_SHARED);
-       }
-
-       return 1;
-}
-
-
-void
-xfs_rwunlock(
-       xfs_inode_t     *ip,
-       bhv_vrwlock_t   locktype)
-{
-       if (S_ISDIR(ip->i_d.di_mode))
-               return;
-       if (locktype == VRWLOCK_WRITE) {
-               /*
-                * In the write case, we may have added a new entry to
-                * the reference cache.  This might store a pointer to
-                * an inode to be released in this inode.  If it is there,
-                * clear the pointer and release the inode after unlocking
-                * this one.
-                */
-               xfs_refcache_iunlock(ip, XFS_IOLOCK_EXCL);
-       } else {
-               ASSERT((locktype == VRWLOCK_READ) ||
-                      (locktype == VRWLOCK_WRITE_DIRECT));
-               xfs_iunlock(ip, XFS_IOLOCK_SHARED);
-       }
-       return;
-}
-
-
 int
 xfs_inode_flush(
        xfs_inode_t     *ip,
        int             flags)
 {
        xfs_mount_t     *mp = ip->i_mount;
-       xfs_inode_log_item_t *iip = ip->i_itemp;
        int             error = 0;
 
        if (XFS_FORCED_SHUTDOWN(mp))
@@ -3542,33 +3344,9 @@ xfs_inode_flush(
         * Bypass inodes which have already been cleaned by
         * the inode flush clustering code inside xfs_iflush
         */
-       if ((ip->i_update_core == 0) &&
-           ((iip == NULL) || !(iip->ili_format.ilf_fields & XFS_ILOG_ALL)))
+       if (xfs_inode_clean(ip))
                return 0;
 
-       if (flags & FLUSH_LOG) {
-               if (iip && iip->ili_last_lsn) {
-                       xlog_t          *log = mp->m_log;
-                       xfs_lsn_t       sync_lsn;
-                       int             log_flags = XFS_LOG_FORCE;
-
-                       spin_lock(&log->l_grant_lock);
-                       sync_lsn = log->l_last_sync_lsn;
-                       spin_unlock(&log->l_grant_lock);
-
-                       if ((XFS_LSN_CMP(iip->ili_last_lsn, sync_lsn) > 0)) {
-                               if (flags & FLUSH_SYNC)
-                                       log_flags |= XFS_LOG_SYNC;
-                               error = xfs_log_force(mp, iip->ili_last_lsn, log_flags);
-                               if (error)
-                                       return error;
-                       }
-
-                       if (ip->i_update_core == 0)
-                               return 0;
-               }
-       }
-
        /*
         * We make this non-blocking if the inode is contended,
         * return EAGAIN to indicate to the caller that they
@@ -3576,30 +3354,22 @@ xfs_inode_flush(
         * blocking on inodes inside another operation right
         * now, they get caught later by xfs_sync.
         */
-       if (flags & FLUSH_INODE) {
-               int     flush_flags;
-
-               if (flags & FLUSH_SYNC) {
-                       xfs_ilock(ip, XFS_ILOCK_SHARED);
-                       xfs_iflock(ip);
-               } else if (xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) {
-                       if (xfs_ipincount(ip) || !xfs_iflock_nowait(ip)) {
-                               xfs_iunlock(ip, XFS_ILOCK_SHARED);
-                               return EAGAIN;
-                       }
-               } else {
+       if (flags & FLUSH_SYNC) {
+               xfs_ilock(ip, XFS_ILOCK_SHARED);
+               xfs_iflock(ip);
+       } else if (xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) {
+               if (xfs_ipincount(ip) || !xfs_iflock_nowait(ip)) {
+                       xfs_iunlock(ip, XFS_ILOCK_SHARED);
                        return EAGAIN;
                }
-
-               if (flags & FLUSH_SYNC)
-                       flush_flags = XFS_IFLUSH_SYNC;
-               else
-                       flush_flags = XFS_IFLUSH_ASYNC;
-
-               error = xfs_iflush(ip, flush_flags);
-               xfs_iunlock(ip, XFS_ILOCK_SHARED);
+       } else {
+               return EAGAIN;
        }
 
+       error = xfs_iflush(ip, (flags & FLUSH_SYNC) ? XFS_IFLUSH_SYNC
+                                                   : XFS_IFLUSH_ASYNC_NOBLOCK);
+       xfs_iunlock(ip, XFS_ILOCK_SHARED);
+
        return error;
 }
 
@@ -3742,12 +3512,12 @@ xfs_finish_reclaim(
         * We get the flush lock regardless, though, just to make sure
         * we don't free it while it is being flushed.
         */
-       if (!XFS_FORCED_SHUTDOWN(ip->i_mount)) {
-               if (!locked) {
-                       xfs_ilock(ip, XFS_ILOCK_EXCL);
-                       xfs_iflock(ip);
-               }
+       if (!locked) {
+               xfs_ilock(ip, XFS_ILOCK_EXCL);
+               xfs_iflock(ip);
+       }
 
+       if (!XFS_FORCED_SHUTDOWN(ip->i_mount)) {
                if (ip->i_update_core ||
                    ((ip->i_itemp != NULL) &&
                     (ip->i_itemp->ili_format.ilf_fields != 0))) {
@@ -3767,17 +3537,11 @@ xfs_finish_reclaim(
                ASSERT(ip->i_update_core == 0);
                ASSERT(ip->i_itemp == NULL ||
                       ip->i_itemp->ili_format.ilf_fields == 0);
-               xfs_iunlock(ip, XFS_ILOCK_EXCL);
-       } else if (locked) {
-               /*
-                * We are not interested in doing an iflush if we're
-                * in the process of shutting down the filesystem forcibly.
-                * So, just reclaim the inode.
-                */
-               xfs_ifunlock(ip);
-               xfs_iunlock(ip, XFS_ILOCK_EXCL);
        }
 
+       xfs_ifunlock(ip);
+       xfs_iunlock(ip, XFS_ILOCK_EXCL);
+
  reclaim:
        xfs_ireclaim(ip);
        return 0;
@@ -3893,9 +3657,8 @@ xfs_alloc_file_space(
                end_dmi_offset = offset+len;
                if (end_dmi_offset > ip->i_size)
                        end_dmi_offset = ip->i_size;
-               error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, XFS_ITOV(ip),
-                       offset, end_dmi_offset - offset,
-                       0, NULL);
+               error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, ip, offset,
+                                     end_dmi_offset - offset, 0, NULL);
                if (error)
                        return error;
        }
@@ -4004,8 +3767,8 @@ dmapi_enospc_check:
        if (error == ENOSPC && (attr_flags & ATTR_DMI) == 0 &&
            DM_EVENT_ENABLED(ip, DM_EVENT_NOSPACE)) {
                error = XFS_SEND_NAMESP(mp, DM_EVENT_NOSPACE,
-                               XFS_ITOV(ip), DM_RIGHT_NULL,
-                               XFS_ITOV(ip), DM_RIGHT_NULL,
+                               ip, DM_RIGHT_NULL,
+                               ip, DM_RIGHT_NULL,
                                NULL, NULL, 0, 0, 0); /* Delay flag intentionally unused */
                if (error == 0)
                        goto retry;     /* Maybe DMAPI app. has made space */
@@ -4069,7 +3832,8 @@ xfs_zero_remaining_bytes(
                XFS_BUF_READ(bp);
                XFS_BUF_SET_ADDR(bp, XFS_FSB_TO_DB(ip, imap.br_startblock));
                xfsbdstrat(mp, bp);
-               if ((error = xfs_iowait(bp))) {
+               error = xfs_iowait(bp);
+               if (error) {
                        xfs_ioerror_alert("xfs_zero_remaining_bytes(read)",
                                          mp, bp, XFS_BUF_ADDR(bp));
                        break;
@@ -4081,7 +3845,8 @@ xfs_zero_remaining_bytes(
                XFS_BUF_UNREAD(bp);
                XFS_BUF_WRITE(bp);
                xfsbdstrat(mp, bp);
-               if ((error = xfs_iowait(bp))) {
+               error = xfs_iowait(bp);
+               if (error) {
                        xfs_ioerror_alert("xfs_zero_remaining_bytes(write)",
                                          mp, bp, XFS_BUF_ADDR(bp));
                        break;
@@ -4150,7 +3915,7 @@ xfs_free_file_space(
            DM_EVENT_ENABLED(ip, DM_EVENT_WRITE)) {
                if (end_dmi_offset > ip->i_size)
                        end_dmi_offset = ip->i_size;
-               error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, vp,
+               error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, ip,
                                offset, end_dmi_offset - offset,
                                AT_DELAY_FLAG(attr_flags), NULL);
                if (error)
@@ -4180,7 +3945,7 @@ xfs_free_file_space(
         * actually need to zero the extent edges.  Otherwise xfs_bunmapi
         * will take care of it for us.
         */
-       if (rt && !XFS_SB_VERSION_HASEXTFLGBIT(&mp->m_sb)) {
+       if (rt && !xfs_sb_version_hasextflgbit(&mp->m_sb)) {
                nimap = 1;
                error = xfs_bmapi(NULL, ip, startoffset_fsb,
                        1, 0, NULL, 0, &imap, &nimap, NULL, NULL);
@@ -4338,21 +4103,9 @@ xfs_change_file_space(
 
        xfs_itrace_entry(ip);
 
-       /*
-        * must be a regular file and have write permission
-        */
        if (!S_ISREG(ip->i_d.di_mode))
                return XFS_ERROR(EINVAL);
 
-       xfs_ilock(ip, XFS_ILOCK_SHARED);
-
-       if ((error = xfs_iaccess(ip, S_IWUSR, credp))) {
-               xfs_iunlock(ip, XFS_ILOCK_SHARED);
-               return error;
-       }
-
-       xfs_iunlock(ip, XFS_ILOCK_SHARED);
-
        switch (bf->l_whence) {
        case 0: /*SEEK_SET*/
                break;