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Commit 399b0bbf authored by Omar Sandoval's avatar Omar Sandoval Committed by David Sterba
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Btrfs: reserve space for O_TMPFILE orphan item deletion 



btrfs_link() calls btrfs_orphan_del() if it's linking an O_TMPFILE but
it doesn't reserve space to do so. Even before the removal of the
orphan_block_rsv it wasn't using it.

Fixes: ef3b9af5 ("Btrfs: implement inode_operations callback tmpfile")
Reviewed-by: default avatarFilipe Manana <fdmanana@suse.com>
Signed-off-by: default avatarOmar Sandoval <osandov@fb.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 7efc3e34

fs/btrfs/inode.c

+2 −1
Original line number Diff line number Diff line
@@ -6658,8 +6658,9 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir, 
	 * 2 items for inode and inode ref

	 * 2 items for dir items

	 * 1 item for parent inode

	 * 1 item for orphan item deletion if O_TMPFILE

	 */

	trans = btrfs_start_transaction(root, 5);

	trans = btrfs_start_transaction(root, inode->i_nlink ? 5 : 6);

	if (IS_ERR(trans)) {

		err = PTR_ERR(trans);

		trans = NULL;