From: Christoph Hellwig <hch@lst.de>
To: Mike Snitzer <snitzer@redhat.com>
Cc: wangyibin@huawei.com, jiangyiwen <jiangyiwen@huawei.com>,
dm-devel@redhat.com, hch@lst.de
Subject: Re: dm-mpath: Handling SCSI-3 PR RELEASE in multi-controller environment
Date: Wed, 21 Sep 2016 19:14:40 +0200 [thread overview]
Message-ID: <20160921171440.GB24882@lst.de> (raw)
In-Reply-To: <20160921150427.GB9748@redhat.com>
On Wed, Sep 21, 2016 at 11:04:27AM -0400, Mike Snitzer wrote:
> Which kernel are you using? Christoph (now cc'd) has introduced a new
> PR api. I merged a fix from him relatively recently (commit 9c72bad1f3
> "dm: call PR reserve/unreserve on each underlying device")
The PR API will handle this fine, but mpathpersist isn't using it yet.
Switching mpathpersist to use the API if available would be a useful
improvement.
next prev parent reply other threads:[~2016-09-21 17:14 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-21 9:14 dm-mpath: Handling SCSI-3 PR RELEASE in multi-controller environment jiangyiwen
2016-09-21 15:04 ` Mike Snitzer
2016-09-21 17:14 ` Christoph Hellwig [this message]
2016-09-22 8:14 ` jiangyiwen
2016-09-26 16:03 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2016-10-09 13:12 wangyibin
2016-10-09 15:16 ` Christoph Hellwig
2016-10-13 9:19 ` Yibin Wang
2016-10-13 11:16 ` Yibin Wang
2016-10-14 13:48 ` Christoph Hellwig
2016-10-14 14:51 ` Christoph Hellwig
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