Btrfs: fix max dir item size calculation
We were accounting for sizeof(struct btrfs_item) twice, once
in the data_size variable and another time in the if statement
below.
Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c
index c031ea3..9a89ceb 100644
--- a/fs/btrfs/dir-item.c
+++ b/fs/btrfs/dir-item.c
@@ -261,7 +261,7 @@
* see if there is room in the item to insert this
* name
*/
- data_size = sizeof(*di) + name_len + sizeof(struct btrfs_item);
+ data_size = sizeof(*di) + name_len;
leaf = path->nodes[0];
slot = path->slots[0];
if (data_size + btrfs_item_size_nr(leaf, slot) +