[XFS] Fix a case where attr2 format was being used unconditionally.

SGI-PV: 941645
SGI-Modid: xfs-linux-melb:xfs-kern:24566a

Signed-off-by: Nathan Scott <nathans@sgi.com>

1 files changed, 8 insertions, 3 deletions

diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c
index 35e557b00db2..1c7421840c18 100644
--- a/fs/xfs/xfs_attr_leaf.c
+++ b/fs/xfs/xfs_attr_leaf.c
@@ -310,7 +310,8 @@ xfs_attr_shortform_remove(xfs_da_args_t *args)
          * Fix up the start offset of the attribute fork
          */
         totsize -= size;
-        if (totsize == sizeof(xfs_attr_sf_hdr_t) && !args->addname) {
+        if (totsize == sizeof(xfs_attr_sf_hdr_t) && !args->addname &&
+            !(mp->m_flags & XFS_MOUNT_COMPAT_ATTR)) {
                 /*
                  * Last attribute now removed, revert to original
                  * inode format making all literal area available
@@ -328,7 +329,8 @@ xfs_attr_shortform_remove(xfs_da_args_t *args)
                 xfs_idata_realloc(dp, -size, XFS_ATTR_FORK);
                 dp->i_d.di_forkoff = xfs_attr_shortform_bytesfit(dp, totsize);
                 ASSERT(dp->i_d.di_forkoff);
-                ASSERT(totsize > sizeof(xfs_attr_sf_hdr_t) || args->addname);
+                ASSERT(totsize > sizeof(xfs_attr_sf_hdr_t) || args->addname ||
+                        (mp->m_flags & XFS_MOUNT_COMPAT_ATTR));
                 dp->i_afp->if_ext_max =
                         XFS_IFORK_ASIZE(dp) / (uint)sizeof(xfs_bmbt_rec_t);
                 dp->i_df.if_ext_max =
@@ -737,7 +739,8 @@ xfs_attr_shortform_allfit(xfs_dabuf_t *bp, xfs_inode_t *dp)
                                 + name_loc->namelen
                                 + INT_GET(name_loc->valuelen, ARCH_CONVERT);
         }
-        if (bytes == sizeof(struct xfs_attr_sf_hdr))
+        if (!(dp->i_mount->m_flags & XFS_MOUNT_COMPAT_ATTR) &&
+            (bytes == sizeof(struct xfs_attr_sf_hdr)))
                 return(-1);
         return(xfs_attr_shortform_bytesfit(dp, bytes));
 }
@@ -775,6 +778,8 @@ xfs_attr_leaf_to_shortform(xfs_dabuf_t *bp, xfs_da_args_t *args, int forkoff)
                 goto out;
 
         if (forkoff == -1) {
+                ASSERT(!(dp->i_mount->m_flags & XFS_MOUNT_COMPAT_ATTR));
+
                 /*
                  * Last attribute was removed, revert to original
                  * inode format making all literal area available