Hello, On Mon, Aug 29, 2016 at 10:49:57PM +0200, Vegard Nossum wrote: > That didn't work at all. I guess bd_acquire() would just do a bdgrab() > and not touch ->bd_holders, whereas blkdev_get() would increment Yeah, bdev has two different refs - one for bdev struct itself and the other for the actual accessors. > bd_holders and therefore prevent __blkdev_put() from freeing the block > device? Too confusing... I think you'll need to do the actual blkdev_get or one of its variants. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html