linux-kernel - [PATCH 000 of 4] md: Various fixes for new cache-bypassing-reads in raid5/6

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Message-ID: <20061114111600.31061.patches@notabene>
Date:	Tue, 14 Nov 2006 11:22:23 +1100
From:	NeilBrown <neilb@...e.de>
To:	Andrew Morton <akpm@...l.org>
Cc:	linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 000 of 4] md: Various fixes for new cache-bypassing-reads in raid5/6

The patches which enable reading from raid5 without going through the
stripe cache have a bug which causes corruption when reading from a
raid6.
It might be appropriate to put out a hotfix for rc5-mm1 which reverts

   md-enable-bypassing-cache-for-reads.patch

The follow 4 patches fix this bug and a few other bugs I found while
re-reviewing and re-testing this code.  There are actually about 9
separate bugs here, but I grouped some of them to avoid having lots
of tiny patches.

NeilBrown

 [PATCH 001 of 4] md: Fix innocuous bug in raid6 stripe_to_pdidx
 [PATCH 002 of 4] md: Fix newly introduced read-corruption with raid6.
 [PATCH 003 of 4] md: Misc fixes for aligned-read handling.
 [PATCH 004 of 4] md: Fix a couple more bugs in raid5/6 aligned reads
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