Commit 7e6b6465 authored by Miao Xie's avatar Miao Xie Committed by Chris Mason

btrfs: fix not enough reserved space

btrfs_link() will insert 3 items(inode ref, dir name item and dir index item)
into the b+ tree and update 2 items(its inode, and parent's inode) in the b+
tree. So we should reserve space for these 5 items, not 3 items.
Reported-by: default avatarTsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: default avatarMiao Xie <miaox@cn.fujitsu.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent b4966b77
......@@ -4823,10 +4823,11 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
goto fail;
/*
* 1 item for inode ref
* 2 items for inode and inode ref
* 2 items for dir items
* 1 item for parent inode
*/
trans = btrfs_start_transaction(root, 3);
trans = btrfs_start_transaction(root, 5);
if (IS_ERR(trans)) {
err = PTR_ERR(trans);
goto fail;
......
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