From: Hannes Reinecke <hare@suse.de>
To: Christoph Hellwig <hch@infradead.org>
Cc: Mike Snitzer <snitzer@redhat.com>, Jeff Moyer <jmoyer@redhat.com>,
Jens Axboe <axboe@kernel.dk>, Shaohua Li <shli@fusionio.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
msnitzer <msnitzer@redhat.com>
Subject: Re: [PATCH 1/1] block: rework flush sequencing for blk-mq
Date: Wed, 12 Mar 2014 12:07:31 +0100 [thread overview]
Message-ID: <53203FF3.8060105@suse.de> (raw)
In-Reply-To: <20140312105527.GA21511@infradead.org>
On 03/12/2014 11:55 AM, Christoph Hellwig wrote:
> On Wed, Mar 12, 2014 at 11:50:13AM +0100, Hannes Reinecke wrote:
>> >From the device-mapper side we have these patches which are not
>> included upstream:
>
> Another one on the dm side that seems useful is:
>
> dm-emulate-blkrrpart-ioctl:
> Partitions on device-mapper devices are managed by kpartx (if at
> all). So if we were just to send out a 'change' event if someone
> called BLKRRPART on these devices, kpartx will be triggered via udev
> and can manage the partitions accordingly.
>
Which I've omitted for a reason; looks like these kind of things it
handled in userspace nowadays.
It will also cause 'parted' to emit 'change' events when you just
display a device. Which is _not_ want we want.
So this patch will be pulled, even from SUSE.
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
next prev parent reply other threads:[~2014-03-12 11:07 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-30 13:26 [PATCH 0/1] block: rework flush sequencing for blk-mq Christoph Hellwig
2014-01-30 13:26 ` [PATCH 1/1] " Christoph Hellwig
2014-02-07 1:18 ` Shaohua Li
2014-02-07 14:19 ` Christoph Hellwig
2014-02-08 0:55 ` Shaohua Li
2014-02-10 10:33 ` Christoph Hellwig
2014-03-07 20:45 ` Jeff Moyer
2014-03-08 15:52 ` Christoph Hellwig
2014-03-08 17:33 ` Mike Snitzer
2014-03-08 19:51 ` Hannes Reinecke
2014-03-08 18:13 ` Mike Snitzer
2014-03-08 21:33 ` Hannes Reinecke
2014-03-08 22:09 ` [PATCH] block: fix q->flush_rq NULL pointer crash on dm-mpath flush Mike Snitzer
2014-03-09 0:24 ` Jens Axboe
2014-03-09 0:57 ` Mike Snitzer
2014-03-09 3:18 ` Jens Axboe
2014-03-09 3:29 ` Mike Snitzer
2014-03-12 10:28 ` [PATCH 1/1] block: rework flush sequencing for blk-mq Christoph Hellwig
2014-03-12 10:50 ` Hannes Reinecke
2014-03-12 10:55 ` Christoph Hellwig
2014-03-12 11:07 ` Hannes Reinecke [this message]
[not found] ` <53203BE5.402-l3A5Bk7waGM@public.gmane.org>
2014-03-12 11:00 ` SuSE O_DIRECT|O_NONBLOCK overload Christoph Hellwig
2014-03-12 11:00 ` Christoph Hellwig
[not found] ` <20140312110015.GA29907-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2014-03-13 0:15 ` NeilBrown
2014-03-13 0:15 ` NeilBrown
[not found] ` <20140313111555.2f15f19f-wvvUuzkyo1EYVZTmpyfIwg@public.gmane.org>
2014-03-14 17:46 ` Mike Christie
2014-03-14 17:46 ` Mike Christie
2014-03-13 16:13 ` [PATCH 1/1] block: rework flush sequencing for blk-mq Mike Snitzer
2014-03-14 9:25 ` Christoph Hellwig
2014-03-14 9:30 ` Hannes Reinecke
2014-03-14 12:44 ` Christoph Hellwig
2014-03-14 9:34 ` Christoph Hellwig
2014-03-14 9:52 ` Hannes Reinecke
2014-03-14 10:58 ` Christoph Hellwig
2014-03-14 11:10 ` Hannes Reinecke
2014-03-14 13:00 ` Mike Snitzer
2014-03-14 13:23 ` Christoph Hellwig
2014-03-14 14:13 ` Mike Snitzer
2014-03-15 13:28 ` scsi_debug and mutipath, was " Christoph Hellwig
2014-03-17 11:55 ` [dm-devel] " Bryn M. Reeves
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