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>
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 1f027b1..c07a291 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -1040,12 +1040,12 @@
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;
}