From: Randy Dunlap <rdunlap@xenotime.net>
To: Kent Overstreet <kent.overstreet@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] Bcache: version 4
Date: Sat, 1 May 2010 08:40:00 -0700 [thread overview]
Message-ID: <20100501084000.9c327ac5.rdunlap@xenotime.net> (raw)
In-Reply-To: <20100501001244.GB31135@moria>
On Fri, 30 Apr 2010 16:12:44 -0800 Kent Overstreet wrote:
> diff --git a/block/Kconfig b/block/Kconfig
> index f9e89f4..0e5dbf2 100644
> --- a/block/Kconfig
> +++ b/block/Kconfig
> @@ -100,6 +100,21 @@ config DEBUG_BLK_CGROUP
> in the blk group which can be used by cfq for tracing various
> group related activity.
>
> +config BLK_CACHE
> + tristate "Block device as cache"
> + select SLOW_WORK
> + default m
> + ---help---
> + Allows a block device to be used as cache for other devices; uses
> + a btree for indexing and the layout is optimized for SSDs.
> +
> + Caches are persistent, and store the UUID of devices they cache.
> + Hence, to open a device as cache, use
> + "echo /dev/foo" > /sys/kernel/bcache/register_cache
> + And to enable caching for a device
> + "echo <UUID> /dev/foo" > /sys/kernel/bcache/register_dev
Aren't the quotation marks misplaced in these examples?
> + See Documentation/bcache.txt for details.
> +
> endif # BLOCK
---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
next prev parent reply other threads:[~2010-05-01 15:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-01 0:12 Kent Overstreet
2010-05-01 15:40 ` Randy Dunlap [this message]
2010-05-01 18:44 ` Kent Overstreet
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