From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Theodore Ts'o <tytso@mit.edu>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
Christoph Hellwig <hch@infradead.org>,
linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org,
linux-fsdevel@vger.kernel.org, neilb@suse.de
Subject: Re: [PATCH 3/3] block: Introduce blkdev_issue_zeroout_discard() function
Date: Fri, 07 Nov 2014 11:27:39 -0500 [thread overview]
Message-ID: <yq17fz79ds4.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <20141107162025.GA607@thunk.org> (Theodore Ts'o's message of "Fri, 7 Nov 2014 11:20:25 -0500")
>>>>> "Ted" == Theodore Ts'o <tytso@mit.edu> writes:
Ted> So I'd be in favor of adding a flag to to blkdev_issue_zeroout(),
Ted> and I would have a slight preference for also modifying
Ted> sb_issue_zeroout so the flag gets plumbed all the way through to
Ted> the fs-level callers.
OK. I'll do that, then. I always liked the flag better. I was just
trying to minimize the impact.
What would you prefer as the default for the ext4 use case? To allocate
or to discard?
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2014-11-07 16:27 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-07 5:08 [RFC] Discard update for 3.19 Martin K. Petersen
2014-11-07 5:08 ` [PATCH 1/3] libata: Whitelist SSDs that are known to properly return zeroes after TRIM Martin K. Petersen
2014-11-07 8:24 ` Christoph Hellwig
2014-11-07 15:37 ` Martin K. Petersen
2014-12-05 16:45 ` Paolo Bonzini
2014-12-05 22:58 ` Elliott, Robert (Server Storage)
2014-12-08 15:15 ` Theodore Ts'o
2014-12-08 15:28 ` James Bottomley
2014-12-08 22:59 ` One Thousand Gnomes
2014-11-07 5:08 ` [PATCH 2/3] sd: Disable discard_zeroes_data for UNMAP Martin K. Petersen
2014-11-07 8:25 ` Christoph Hellwig
2014-11-10 23:43 ` Paolo Bonzini
2014-11-07 5:08 ` [PATCH 3/3] block: Introduce blkdev_issue_zeroout_discard() function Martin K. Petersen
2014-11-07 8:26 ` Christoph Hellwig
2014-11-07 15:42 ` Martin K. Petersen
2014-11-07 16:20 ` Theodore Ts'o
2014-11-07 16:27 ` Martin K. Petersen [this message]
2014-11-14 20:22 ` Martin K. Petersen
2014-11-17 18:53 ` Darrick J. Wong
2014-11-11 0:04 ` Darrick J. Wong
2014-11-11 2:33 ` Martin K. Petersen
2014-11-17 19:28 ` [PATCH] block: create ioctl to discard-or-zeroout a range of blocks Darrick J. Wong
2014-11-07 12:09 ` [RFC] Discard update for 3.19 Bernd Schubert
2014-11-07 12:11 ` Bernd Schubert
2014-11-07 15:46 ` Martin K. Petersen
2014-11-07 15:46 ` Martin K. Petersen
2014-11-10 14:19 ` Christoph Hellwig
2014-11-12 18:40 ` Ewan Milne
2014-11-12 19:41 ` Martin K. Petersen
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