On Fri 14-03-14 10:54:30, Tejun Heo wrote:
> On Fri, Mar 14, 2014 at 03:52:15PM +0100, Jan Kara wrote:
> > Well, for ext2, you can use ext4 kernel driver which takes care of
> > REQ_FLUSH properly. For fat, you'll need to fix the fs...
>
> This is a bit surprising tho. Were we always like this? We never had
> even stupid "flush down everything and sync"? Or is this something we
> broke while morphing flush implementation several times in the past
> years?
It has been always like this. We could add some sending of REQ_FLUSH into
generic code - like generic_file_fsync() and some similar helper for
->sync_fs(). Just someone has to do it...
Honza
--
Jan Kara <j...@suse.cz>
SUSE Labs, CR
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