From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Jamie Lokier <jamie@shareable.org>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
linux-scsi@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 0 of 3] [RFC] I/O Hints
Date: Fri, 06 Jun 2008 12:56:30 -0400 [thread overview]
Message-ID: <yq1ve0mlcxt.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <20080606142613.GA22495@shareable.org> (Jamie Lokier's message of "Fri\, 6 Jun 2008 15\:26\:13 +0100")
>>>>> "Jamie" == Jamie Lokier <jamie@shareable.org> writes:
Jamie> But SSDs present a block device interface, and they still have
Jamie> alignment characteristics for performance. Even more
Jamie> important, when combining multiple SSDs into a RAID.
I'm not sure whether ATA has a way to get this information like SCSI
dues. But nothing prevents the SATA driver from setting the
parameters accordingly.
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2008-06-06 17:01 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-05 5:22 [PATCH 0 of 3] [RFC] I/O Hints Martin K. Petersen
2008-06-05 5:22 ` [PATCH 1 of 3] block: Export I/O hints for block devices and partitions Martin K. Petersen
2008-06-05 14:42 ` James Bottomley
2008-06-06 1:18 ` Martin K. Petersen
2008-06-06 14:21 ` Jamie Lokier
2008-06-05 5:22 ` [PATCH 2 of 3] md: Export preferred I/O sizes and physical alignment Martin K. Petersen
2008-06-05 5:22 ` [PATCH 3 of 3] sd: Export preferred I/O sizes Martin K. Petersen
2008-06-05 11:25 ` Boaz Harrosh
2008-06-05 6:27 ` [PATCH 0 of 3] [RFC] I/O Hints Andreas Dilger
2008-06-05 10:32 ` Jamie Lokier
2008-06-05 12:35 ` Matthew Wilcox
2008-06-05 17:02 ` Dan Williams
2008-06-06 1:03 ` Martin K. Petersen
2008-06-06 14:02 ` Jamie Lokier
2008-06-06 16:48 ` Martin K. Petersen
2008-06-09 10:47 ` Jamie Lokier
2008-06-10 2:17 ` Martin K. Petersen
2008-06-05 10:40 ` Jamie Lokier
2008-06-05 19:19 ` Andreas Dilger
2008-06-06 12:55 ` Jamie Lokier
2008-06-06 1:16 ` Martin K. Petersen
2008-06-06 4:51 ` Dave Chinner
2008-06-06 16:53 ` Martin K. Petersen
2008-06-07 20:54 ` Dave Chinner
2008-06-09 15:05 ` Martin K. Petersen
2008-06-06 12:52 ` Jamie Lokier
2008-06-06 14:26 ` Jamie Lokier
2008-06-06 16:56 ` Martin K. Petersen [this message]
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