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Commit 878f2d2c authored by Filipe David Borba Manana's avatar Filipe David Borba Manana Committed by Chris Mason
Browse files

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: default avatarFilipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: default avatarJosef Bacik <jbacik@fb.com>
Signed-off-by: default avatarChris Mason <clm@fb.com>
parent 12cfbad9

fs/btrfs/dir-item.c

+1 −1
Original line number Diff line number Diff line
@@ -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) +