On 12/7/18 9:41 AM, Bart Van Assche wrote:
> On Fri, 2018-12-07 at 09:35 -0700, Jens Axboe wrote:
>> diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
>> index 29bfe8017a2d..9e5bda8800f8 100644
>> --- a/block/blk-mq-sched.c
>> +++ b/block/blk-mq-sched.c
>> @@ -377,6 +377,16 @@ void
On Fri, 2018-12-07 at 09:35 -0700, Jens Axboe wrote:
> diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
> index 29bfe8017a2d..9e5bda8800f8 100644
> --- a/block/blk-mq-sched.c
> +++ b/block/blk-mq-sched.c
> @@ -377,6 +377,16 @@ void blk_mq_sched_insert_request(struct request *rq,
> bool
On 12/7/18 9:24 AM, Jens Axboe wrote:
> On 12/7/18 9:19 AM, Bart Van Assche wrote:
>> On Thu, 2018-12-06 at 22:17 -0700, Jens Axboe wrote:
>>> Instead of making special cases for what we can direct issue, and now
>>> having to deal with DM solving the livelock while still retaining a BUSY
>>>
On 12/7/18 9:19 AM, Bart Van Assche wrote:
> On Thu, 2018-12-06 at 22:17 -0700, Jens Axboe wrote:
>> Instead of making special cases for what we can direct issue, and now
>> having to deal with DM solving the livelock while still retaining a BUSY
>> condition feedback loop, always just add a
On Thu, 2018-12-06 at 22:17 -0700, Jens Axboe wrote:
> Instead of making special cases for what we can direct issue, and now
> having to deal with DM solving the livelock while still retaining a BUSY
> condition feedback loop, always just add a request that has been through
> ->queue_rq() to the
On Fri, Dec 07 2018 at 12:17am -0500,
Jens Axboe wrote:
> After the direct dispatch corruption fix, we permanently disallow direct
> dispatch of non read/write requests. This works fine off the normal IO
> path, as they will be retried like any other failed direct dispatch
> request. But for the
On Thu, Dec 06, 2018 at 10:17:44PM -0700, Jens Axboe wrote:
> After the direct dispatch corruption fix, we permanently disallow direct
> dispatch of non read/write requests. This works fine off the normal IO
> path, as they will be retried like any other failed direct dispatch
> request. But for
On Thu, Dec 06, 2018 at 10:17:44PM -0700, Jens Axboe wrote:
> After the direct dispatch corruption fix, we permanently disallow direct
> dispatch of non read/write requests. This works fine off the normal IO
> path, as they will be retried like any other failed direct dispatch
> request. But for
After the direct dispatch corruption fix, we permanently disallow direct
dispatch of non read/write requests. This works fine off the normal IO
path, as they will be retried like any other failed direct dispatch
request. But for the blk_insert_cloned_request() that only DM uses to
bypass the
