Re: [BUG 4.10-rc7] sb_fdblocks inconsistency in xfs/297 test

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On Tue 21-02-17 12:14:30, Eryu Guan wrote:
> On Mon, Feb 20, 2017 at 09:58:19AM -0500, Brian Foster wrote:
> > On Mon, Feb 20, 2017 at 03:25:21PM +0100, Michal Hocko wrote:
> > > I have discussed that shortly with Jack and he suspects that xfs
> > > specific part of the iomap callbacks doesn't cancel reservations.
> > > Let's CC more xfs people. The thread starts
> > > http://lkml.kernel.org/r/20170210035348.GA7075@xxxxxxxxxxxxxxxxxxxxxxxx
> > > 
> > 
> > Have you tried commit fa7f138 ("xfs: clear delalloc and cache on buffered
> > write failure"), currently in for-next?
> 
> I cherry-picked this commit to 4.10-rc8 tree and xfs/297 xfs/305 all
> passed for me without fs corruption. They used to fail for me reliably
> with stock 4.10-rc8 kernel. Thanks all for looking at this!

Brian, could you make sure that your commit gets to stable (at least) 4.8+
because that is where d1908f52557b ("fs: break out of
iomap_file_buffered_write on fatal signals") will be backported to.

-- 
Michal Hocko
SUSE Labs
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