From: Jiro SEKIBA <jir@unicus.jp>
Date: Sat, 20 Feb 2010 10:47:49 +0000 (+0900)
Subject: nilfs2: add reader's lock for cno in nilfs_ioctl_sync
X-Git-Tag: v2.6.34-rc1~213^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0d561f12b490dd2b993d73112d3297007688e6df;p=pandora-kernel.git

nilfs2: add reader's lock for cno in nilfs_ioctl_sync

This adds reader's lock for the_nilfs->cno in nilfs_ioctl_sync,
for the_nilfs->cno should be proctected by segctor_sem when reading.

Signed-off-by: Jiro SEKIBA <jir@unicus.jp>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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