Commit 399b0bbf authored May 11, 2018 by Omar Sandoval Committed by David Sterba May 28, 2018

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: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: David 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;

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