From: Christoph Hellwig <hch@lst.de>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>,
axboe@fb.com, shli@fb.com, snitzer@redhat.com, sitsofe@yahoo.com,
linux-block@vger.kernel.org
Subject: Re: [PATCH] block: introduce BLKDEV_DISCARD_ZERO to fix zeroout
Date: Tue, 21 Jun 2016 14:40:59 +0200 [thread overview]
Message-ID: <20160621124059.GC1689@lst.de> (raw)
In-Reply-To: <yq1r3br5q25.fsf@sermon.lab.mkp.net>
On Mon, Jun 20, 2016 at 08:44:02PM -0400, Martin K. Petersen wrote:
> Christoph> operation. This allows both to ignore the EOPNOTSUPP hack
> Christoph> and actually consolidating the discard_zeroes_data check into
> Christoph> the function.
>
> I like this better than the I/O error tracking approach. The
> blkdev_issue_write_same() -EOPNOTSUPP regression is still present,
> though.
Which one? Can't think of how that has anything to do with
blkdev_issue_discard.
next prev parent reply other threads:[~2016-06-21 12:49 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-20 10:28 [PATCH] block: introduce BLKDEV_DISCARD_ZERO to fix zeroout Christoph Hellwig
2016-06-20 18:29 ` Jeff Moyer
2016-06-21 12:39 ` Christoph Hellwig
2016-06-21 14:02 ` Jeff Moyer
2016-06-21 0:44 ` Martin K. Petersen
2016-06-21 12:40 ` Christoph Hellwig [this message]
2016-06-22 2:02 ` Martin K. Petersen
2016-06-22 7:52 ` Christoph Hellwig
2016-06-22 13:53 ` Martin K. Petersen
2016-06-22 14:04 ` Christoph Hellwig
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