Commit c73e2936 authored May 16, 2013 by Josef Bacik

Btrfs: do delay iput in sync_fs



We get lock inversion with umount if we allow iputs from sync_fs, so use the
delay iput flag to keep this from happening.  Thanks,

Reported-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

parent 4a9d8bde

fs/btrfs/super.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -862,7 +862,7 @@ int btrfs_sync_fs(struct super_block *sb, int wait)
		return 0;
		}

		btrfs_wait_all_ordered_extents(fs_info, 0);
		btrfs_wait_all_ordered_extents(fs_info, 1);

		trans = btrfs_attach_transaction_barrier(root);
		if (IS_ERR(trans)) {