Commit c73e2936 authored by Josef Bacik's avatar Josef Bacik
Browse files

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: default avatarDavid Sterba <dsterba@suse.cz>
Signed-off-by: default avatarJosef 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)) {