On 7/3/18 11:34 AM, Mikulas Patocka wrote: > If __blkdev_issue_discard is in progress and a device mapper device is > reloaded with a table that doesn't support discard, > q->limits.max_discard_sectors is set to zero. This results in infinite > loop in __blkdev_issue_discard. > > This patch checks if max_discard_sectors is zero and aborts with > -EOPNOTSUPP. Applied, thanks. -- Jens Axboe
