Re: [PATCH] Revert "writeback: do not sync data dirtied after sync start"

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On Fri 21-02-14 11:57:42, Andrew Morton wrote:
> On Fri, 21 Feb 2014 11:30:01 +0100 Jan Kara <jack@xxxxxxx> wrote:
> 
> > This reverts commit c4a391b53a72d2df4ee97f96f78c1d5971b47489. Dave
> > Chinner <david@xxxxxxxxxxxxx> has reported the commit may cause some
> > inodes to be left out from sync(2). This is because we can call
> > redirty_tail() for some inode (which sets i_dirtied_when to current time)
> > after sync(2) has started or similarly requeue_inode() can set
> > i_dirtied_when to current time if writeback had to skip some pages. The
> > real problem is in the functions clobbering i_dirtied_when but fixing
> > that isn't trivial so revert is a safer choice for now.
> > 
> > Signed-off-by: Jan Kara <jack@xxxxxxx>
> 
> No cc:stable?  The patch is applicable to 3.13.x.
  Ah, forgot about it. Thanks for the reminder!

								Honza
-- 
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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