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Commit e70bea5f authored by Josef Bacik's avatar Josef Bacik
Browse files

Btrfs: fix the amount of space reserved for unlink 



Our unlink reservations were a bit much, we were reserving 10 and I only count 8
possible items we're touching, so comment what we're reserving for and fix the
count value.  Thanks,

Signed-off-by: default avatarJosef Bacik <josef@redhat.com>
parent 4b91c14f

fs/btrfs/inode.c

+10 −1
Original line number Diff line number Diff line
@@ -2758,7 +2758,16 @@ static struct btrfs_trans_handle *__unlink_start_trans(struct inode *dir, 
	u64 ino = btrfs_ino(inode);

	u64 dir_ino = btrfs_ino(dir);



	trans = btrfs_start_transaction(root, 10);

	/*

	 * 1 for the possible orphan item

	 * 1 for the dir item

	 * 1 for the dir index

	 * 1 for the inode ref

	 * 1 for the inode ref in the tree log

	 * 2 for the dir entries in the log

	 * 1 for the inode

	 */

	trans = btrfs_start_transaction(root, 8);

	if (!IS_ERR(trans) || PTR_ERR(trans) != -ENOSPC)

		return trans;