From: Jens Axboe <axboe@suse.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>
Subject: Re: [patch] max-sectors-2.6.9-rc1-bk14-A0
Date: Wed, 8 Sep 2004 12:17:19 +0200 [thread overview]
Message-ID: <20040908101719.GH2258@suse.de> (raw)
In-Reply-To: <20040908100448.GA4994@elte.hu>
On Wed, Sep 08 2004, Ingo Molnar wrote:
>
> this is a re-send of the max-sectors patch against 2.6.9-rc1-bk14.
>
> the attached patch introduces two new /sys/block values:
>
> /sys/block/*/queue/max_hw_sectors_kb
> /sys/block/*/queue/max_sectors_kb
>
> max_hw_sectors_kb is the maximum that the driver can handle and is
> readonly. max_sectors_kb is the current max_sectors value and can be
> tuned by root. PAGE_SIZE granularity is enforced.
>
> It's all locking-safe and all affected layered drivers have been updated
> as well. The patch has been in testing for a couple of weeks already as
> part of the voluntary-preempt patches and it works just fine - people
> use it to reduce IDE IRQ handling latencies. Please apply.
Wasn't the move of the ide_lock grabbing enough to solve this problem by
itself?
--
Jens Axboe
next prev parent reply other threads:[~2004-09-08 10:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-08 10:04 [patch] max-sectors-2.6.9-rc1-bk14-A0 Ingo Molnar
2004-09-08 10:09 ` Andrew Morton
2004-09-08 10:49 ` Ingo Molnar
2004-09-08 11:43 ` Andrew Morton
2004-09-08 12:38 ` Ingo Molnar
2004-09-08 10:17 ` Jens Axboe [this message]
2004-09-08 10:54 ` Ingo Molnar
2004-09-08 11:05 ` Jens Axboe
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20040908101719.GH2258@suse.de \
--to=axboe@suse.de \
--cc=akpm@osdl.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox