[XFS] Don't assert if trying to mount with blocksize > pagesize

If we don't do the blocksize/PAGESIZE check before calling
xfs_sb_validate_fsb_count() we can assert if we try to mount with a
blocksize > pagesize. The assert is valid so leave it and just move the
blocksize/pagesize check earlier.

SGI-PV: 983734

SGI-Modid: xfs-linux-melb:xfs-kern:31365a

Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: David Chinner <dgc@sgi.com>

1 files changed, 13 insertions, 13 deletions

diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 1bfaa204f68..6c5d1325e7f 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -258,6 +258,19 @@ xfs_mount_validate_sb(
                 return XFS_ERROR(EFSCORRUPTED);
         }
 
+        /*
+         * Until this is fixed only page-sized or smaller data blocks work.
+         */
+        if (unlikely(sbp->sb_blocksize > PAGE_SIZE)) {
+                xfs_fs_mount_cmn_err(flags,
+                        "file system with blocksize %d bytes",
+                        sbp->sb_blocksize);
+                xfs_fs_mount_cmn_err(flags,
+                        "only pagesize (%ld) or less will currently work.",
+                        PAGE_SIZE);
+                return XFS_ERROR(ENOSYS);
+        }
+
         if (xfs_sb_validate_fsb_count(sbp, sbp->sb_dblocks) ||
             xfs_sb_validate_fsb_count(sbp, sbp->sb_rblocks)) {
                 xfs_fs_mount_cmn_err(flags,
@@ -279,19 +292,6 @@ xfs_mount_validate_sb(
                 return XFS_ERROR(ENOSYS);
         }
 
-        /*
-         * Until this is fixed only page-sized or smaller data blocks work.
-         */
-        if (unlikely(sbp->sb_blocksize > PAGE_SIZE)) {
-                xfs_fs_mount_cmn_err(flags,
-                        "file system with blocksize %d bytes",
-                        sbp->sb_blocksize);
-                xfs_fs_mount_cmn_err(flags,
-                        "only pagesize (%ld) or less will currently work.",
-                        PAGE_SIZE);
-                return XFS_ERROR(ENOSYS);
-        }
-
         return 0;
 }