From: NeilBrown <neilb@suse.de>
Date: Thu, 28 Jul 2011 01:31:47 +0000 (+1000)
Subject: md/bad-block-log: add sysfs interface for accessing bad-block-log.
X-Git-Tag: v3.1-rc1~131^2~36
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=16c791a5af3e50d0c11760485fd68e5829f3be4d;p=pandora-kernel.git

md/bad-block-log: add sysfs interface for accessing bad-block-log.

This can show the log (providing it fits in one page) and
allows bad blocks to be 'acknowledged' meaning that they
have safely been recorded in metadata.

Clearing bad blocks is not allowed via sysfs (except for
code testing).  A bad block can only be cleared when
a write to the block succeeds.

Signed-off-by: NeilBrown <neilb@suse.de>
Reviewed-by: Namhyung Kim <namhyung@gmail.com>
---

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