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(parent: f63afdb) | patch
ocfs2: Flush drive's caches on fdatasync
authorJan Kara <jack@suse.cz>
Thu, 5 Aug 2010 18:32:45 +0000 (20:32 +0200)
committerTao Ma <tao.ma@oracle.com>
Wed, 8 Sep 2010 06:25:55 +0000 (14:25 +0800)
commit04eda1a18019bb387dc7e97ee99979dd88dc608a
tree8162ad0ec77c7ef80903a1fec134b43b71a7d272tree | snapshot
parentf63afdb2c32db850fa1bfccf84643a8885cbeb61commit | diff
ocfs2: Flush drive's caches on fdatasync

When 'barrier' mount option is specified, we have to issue a cache flush
during fdatasync(2). We have to do this even if inode doesn't have
I_DIRTY_DATASYNC set because we still have to get written *data* to disk so
that they are not lost in case of crash.

Acked-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Singed-off-by: Tao Ma <tao.ma@oracle.com>
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