From: Jens Axboe <jens.axboe@oracle.com>
To: gshan <gshan@alcatel-lucent.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: how to limit number of sectors each time
Date: Thu, 16 Oct 2008 07:44:01 +0200 [thread overview]
Message-ID: <20081016054400.GN19428@kernel.dk> (raw)
In-Reply-To: <48F6B51B.2000408@alcatel-lucent.com>
On Thu, Oct 16 2008, gshan wrote:
> Hi All,
>
> I want to limit requested sectors each time in function
> drivers/ide/ide-disk.c::__ide_do_rw_disk. The requested
> sectors were defined in rq->nr_sectors. So how to limit or decrease
> nr_sectors for data transfer each time?
Set max_sectors_kb in sysfs for that device or q->max_sectors
internally.
--
Jens Axboe
next prev parent reply other threads:[~2008-10-16 5:44 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-16 3:29 how to limit number of sectors each time gshan
2008-10-16 5:44 ` Jens Axboe [this message]
[not found] ` <48F6DA7A.9080003@alcatel-lucent.com>
[not found] ` <20081016061808.GS19428@kernel.dk>
2008-10-16 6:21 ` gshan
2008-10-16 6:25 ` Jens Axboe
2008-10-16 6:28 ` gshan
2008-10-17 16:47 ` Bartlomiej Zolnierkiewicz
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