3 files changed, 46 insertions, 20 deletions

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 120626789406..74d8be87f983 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -540,7 +540,7 @@ xfs_probe_cluster(
 
         /* First sum forwards in this page */
         do {
-                if (mapped != buffer_mapped(bh))
+                if (!buffer_uptodate(bh) || (mapped != buffer_mapped(bh)))
                         return total;
                 total += bh->b_size;
         } while ((bh = bh->b_this_page) != head);
@@ -747,10 +747,11 @@ xfs_convert_page(
                         struct backing_dev_info *bdi;
 
                         bdi = inode->i_mapping->backing_dev_info;
+                        wbc->nr_to_write--;
                         if (bdi_write_congested(bdi)) {
                                 wbc->encountered_congestion = 1;
                                 done = 1;
-                        } else if (--wbc->nr_to_write <= 0) {
+                        } else if (wbc->nr_to_write <= 0) {
                                 done = 1;
                         }
                 }
@@ -1462,4 +1463,5 @@ struct address_space_operations linvfs_aops = {
         .commit_write           = generic_commit_write,
         .bmap                   = linvfs_bmap,
         .direct_IO              = linvfs_direct_IO,
+        .migratepage            = buffer_migrate_page,
 };
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index e44b7c1a3a36..bfb4f2917bb6 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -822,6 +822,13 @@ xfs_buf_rele(
 
         XB_TRACE(bp, "rele", bp->b_relse);
 
+        if (unlikely(!hash)) {
+                ASSERT(!bp->b_relse);
+                if (atomic_dec_and_test(&bp->b_hold))
+                        xfs_buf_free(bp);
+                return;
+        }
+
         if (atomic_dec_and_lock(&bp->b_hold, &hash->bh_lock)) {
                 if (bp->b_relse) {
                         atomic_inc(&bp->b_hold);
@@ -1514,6 +1521,7 @@ xfs_mapping_buftarg(
         struct address_space    *mapping;
         static struct address_space_operations mapping_aops = {
                 .sync_page = block_sync_page,
+                .migratepage = fail_migrate_page,
         };
 
         inode = new_inode(bdev->bd_inode->i_sb);
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 76c6df34d0db..d7f6f2d8ac8e 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -262,6 +262,31 @@ has_fs_struct(struct task_struct *task)
         return (task->fs != init_task.fs);
 }
 
+STATIC inline void
+cleanup_inode(
+        vnode_t         *dvp,
+        vnode_t         *vp,
+        struct dentry   *dentry,        
+        int             mode)
+{
+        struct dentry   teardown = {};
+        int             err2;
+
+        /* Oh, the horror.
+         * If we can't add the ACL or we fail in 
+         * linvfs_init_security we must back out.
+         * ENOSPC can hit here, among other things.
+         */
+        teardown.d_inode = LINVFS_GET_IP(vp);
+        teardown.d_name = dentry->d_name;
+
+        if (S_ISDIR(mode))
+                VOP_RMDIR(dvp, &teardown, NULL, err2);
+        else
+                VOP_REMOVE(dvp, &teardown, NULL, err2);
+        VN_RELE(vp);
+}
+
 STATIC int
 linvfs_mknod(
         struct inode    *dir,
@@ -316,30 +341,19 @@ linvfs_mknod(
         }
 
         if (!error)
+        {
                 error = linvfs_init_security(vp, dir);
+                if (error)
+                        cleanup_inode(dvp, vp, dentry, mode);
+        }
 
         if (default_acl) {
                 if (!error) {
                         error = _ACL_INHERIT(vp, &va, default_acl);
-                        if (!error) {
+                        if (!error) 
                                 VMODIFY(vp);
-                        } else {
-                                struct dentry   teardown = {};
-                                int             err2;
-
-                                /* Oh, the horror.
-                                 * If we can't add the ACL we must back out.
-                                 * ENOSPC can hit here, among other things.
-                                 */
-                                teardown.d_inode = ip = LINVFS_GET_IP(vp);
-                                teardown.d_name = dentry->d_name;
-
-                                if (S_ISDIR(mode))
-                                        VOP_RMDIR(dvp, &teardown, NULL, err2);
-                                else
-                                        VOP_REMOVE(dvp, &teardown, NULL, err2);
-                                VN_RELE(vp);
-                        }
+                        else
+                                cleanup_inode(dvp, vp, dentry, mode);
                 }
                 _ACL_FREE(default_acl);
         }
@@ -659,6 +673,8 @@ linvfs_setattr(
         if (ia_valid & ATTR_ATIME) {
                 vattr.va_mask |= XFS_AT_ATIME;
                 vattr.va_atime = attr->ia_atime;
+                if (ia_valid & ATTR_ATIME_SET)
+                        inode->i_atime = attr->ia_atime;
         }
         if (ia_valid & ATTR_MTIME) {
                 vattr.va_mask |= XFS_AT_MTIME;