[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>

diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 1bfaa20..6c5d132 100644 (file)
--- 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;
 }