From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Tue, 28 May 2013 09:19:01 +0000 (+0400)
Subject: ext3: Fix fsync error handling after filesystem abort.
X-Git-Tag: v3.11-rc1~73^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3df32196519d1556b8851b610ca1aa68c5b673d3;p=pandora-kernel.git

ext3: Fix fsync error handling after filesystem abort.

If filesystem was aborted we will return success
due to (sb->s_flags & MS_RDONLY) which is incorrect and
results in data loss.
In order to handle fs abort correctly we have to check
fs state once we discover that it is in MS_RDONLY state

Test case: http://patchwork.ozlabs.org/patch/244297/
Changes from V1:
 - fix spelling
 - fix smp_rmb()/debug order

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
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