Btrfs: Align extent length to sectorsize in

--- Signed-off-by: Chris Mason <[email protected]>
erimatnor · Sep 25, 2008 · b1632b1 · b1632b1
1 parent 5a01a2e
commit b1632b1
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
@@ -823,6 +823,8 @@ static int btrfs_truncate_in_trans(struct btrfs_trans_handle *trans,
 					btrfs_file_extent_num_bytes(leaf, fi);
 				extent_num_bytes = inode->i_size -
 					found_key.offset + root->sectorsize - 1;
+				extent_num_bytes = extent_num_bytes &
+					~((u64)root->sectorsize - 1);
 				btrfs_set_file_extent_num_bytes(leaf, fi,
 							 extent_num_bytes);
 				num_dec = (orig_num_bytes -