linux-kernel - [dm-devel] [RFC][PATCH] dm-cache (block level disk cache target): UPDATE

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Date:	Wed, 3 Jan 2007 11:23:45 -0500
From:	"Ming Zhao" <mingzhao99th@...il.com>
To:	"device-mapper development" <dm-devel@...hat.com>
Cc:	linux-kernel@...r.kernel.org, ming@...s.ufl.edu, ericvh@...il.com
Subject: [dm-devel] [RFC][PATCH] dm-cache (block level disk cache target): UPDATE

Made several updates on the dm-cache code. The major ones include,

* The change on handling of reads: cache insertions are now performed
in background for read bio requests, so the reads would appear faster.
* The feature of persistent metadata: cache metadata is automatically
dumped onto cache disk before a cache is removed, and it can be loaded
again when creating a cache so that the existing data on the cache
disk can be reused.
* The handling of status ioctl is also added, so on dmsetup status,
the cache outputs the cache stats, and on dmsetup table, it outputs
the cache configuration.

Signed-off-by: Ming Zhao <mingzhao99th@...il.com>

View attachment "patch-2.6.19.1" of type "text/plain" (51887 bytes)