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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>
This commit is contained in:
Filipe David Borba Manana 2013-11-27 16:06:16 +00:00 committed by Chris Mason
parent 12cfbad90e
commit 878f2d2cb3
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/dir-item.c
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@ -261,7 +261,7 @@ int btrfs_check_dir_item_collision(struct btrfs_root *root, u64 dir,
* 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) +