On Mon, Aug 31, 2015 at 07:32:09PM +0200, Stefan Priebe - Profihost AG wrote: > > Am 25.08.2015 um 15:51 schrieb Chris Mason <clm@xxxxxx>: > > > >> On Tue, Aug 25, 2015 at 11:00:30AM +0200, Christoph Hellwig wrote: > >> I think this is btrfs using a struct block_device that doesn't have > >> a valid queue pointer in it's gendisk for ->s_bdev. And there are > >> some fishy looking ->s_bdev assignments in the code which I suspect > >> are related to it: > >> > >> fs/btrfs/dev-replace.c: if (fs_info->sb->s_bdev == src_device->bdev) > >> fs/btrfs/dev-replace.c: fs_info->sb->s_bdev = tgt_device->bdev; > >> fs/btrfs/volumes.c: if (device->bdev == root->fs_info->sb->s_bdev) > >> fs/btrfs/volumes.c: root->fs_info->sb->s_bdev = next_device->bdev; > >> fs/btrfs/volumes.c: if (tgtdev->bdev == fs_info->sb->s_bdev) > >> fs/btrfs/volumes.c: fs_info->sb->s_bdev = next_device->bdev; > > > > We've had trouble with this in the past, I'll take a look. > > Any news? Haven't been able to reproduce yet, I'll try again in the morning. -chris -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html