ext4: replace MAX_DEFRAG_SIZE with EXT_MAX_BLOCK

There's no reason to redefine the maximum allowable offset
in an extent-based file just for defrag; 
EXT_MAX_BLOCK already does this.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 6 insertions, 6 deletions

diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 1f027b1ec430..c07a2915e40b 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -1040,12 +1040,12 @@ mext_check_arguments(struct inode *orig_inode,
                 return -EINVAL;
         }
 
-        if ((orig_start > MAX_DEFRAG_SIZE) ||
-            (donor_start > MAX_DEFRAG_SIZE) ||
-            (*len > MAX_DEFRAG_SIZE) ||
-            (orig_start + *len > MAX_DEFRAG_SIZE))  {
-                ext4_debug("ext4 move extent: Can't handle over [%lu] blocks "
-                        "[ino:orig %lu, donor %lu]\n", MAX_DEFRAG_SIZE,
+        if ((orig_start > EXT_MAX_BLOCK) ||
+            (donor_start > EXT_MAX_BLOCK) ||
+            (*len > EXT_MAX_BLOCK) ||
+            (orig_start + *len > EXT_MAX_BLOCK))  {
+                ext4_debug("ext4 move extent: Can't handle over [%u] blocks "
+                        "[ino:orig %lu, donor %lu]\n", EXT_MAX_BLOCK,
                         orig_inode->i_ino, donor_inode->i_ino);
                 return -EINVAL;
         }