From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Ric Wheeler <rwheeler@redhat.com>
Cc: Will Drewry <redpig@dataspill.org>,
Andreas Dilger <adilger@sun.com>,
linux-ext4@vger.kernel.org
Subject: Re: [PATCH][RFC] resize2fs and uninit_bg questions
Date: Fri, 18 Sep 2009 02:09:03 -0400 [thread overview]
Message-ID: <yq1ocp8943k.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <4AB28DD5.30607@redhat.com> (Ric Wheeler's message of "Thu, 17 Sep 2009 15:28:21 -0400")
>>>>> "Ric" == Ric Wheeler <rwheeler@redhat.com> writes:
Ric> One note - the WRITE_SAME command in SCSI has long been used by
Ric> array vendors to do relatively high performance zero fills.
I've been working on WRITE SAME and UNMAP support recently (layering on
top of Christoph's patch kit). It might be worthwhile to expose the
WRITE SAME functionality further up the stack. It could also be helpful
for initializing RAID disks, for instance...
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2009-09-18 6:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-16 16:24 [PATCH][RFC] resize2fs and uninit_bg questions Will Drewry
2009-09-16 19:08 ` Andreas Dilger
2009-09-16 20:42 ` Will Drewry
2009-09-16 21:22 ` Andreas Dilger
2009-09-16 23:11 ` Will Drewry
2009-09-17 19:28 ` Ric Wheeler
2009-09-18 6:09 ` Martin K. Petersen [this message]
2009-09-18 11:43 ` Ric Wheeler
2009-09-18 13:56 ` Andreas Dilger
2009-09-19 12:19 ` Will Drewry
2009-09-23 9:34 ` Andreas Dilger
2009-09-23 19:28 ` Will Drewry
2009-09-25 6:21 ` Andreas Dilger
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