linux-kernel - Re: [PATCH v2 1/1] mmc: block: Add write packing control

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAFR8uefCD_WXDM6m+-XwG10+W0UXqOtK7_sxWD3uVckh3pnR-Q@mail.gmail.com>
Date:	Mon, 11 Jun 2012 14:19:46 -0700
From:	Muthu Kumar <muthu.lkml@...il.com>
To:	Maya Erez <merez@...eaurora.org>
Cc:	linux-mmc@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	"open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/1] mmc: block: Add write packing control

On Fri, Jun 1, 2012 at 11:55 AM, Maya Erez <merez@...eaurora.org> wrote:
> The write packing control will ensure that read requests latency is
> not increased due to long write packed commands.
>
> The trigger for enabling the write packing is managing to pack several
> write requests. The number of potential packed requests that will trigger
> the packing can be configured via sysfs by writing the required value to:
> /sys/block/<block_dev_name>/num_wr_reqs_to_start_packing.
> The trigger for disabling the write packing is fetching a read request.
>

If it is applicable only to MMC why do we have this sysfs attr for all
block devices?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/