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Re: [RFC -v2 7/8] btrfs: Prevent from early transaction abort

From	Michal Hocko <mhocko@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [RFC -v2 7/8] btrfs: Prevent from early transaction abort
Date	2015-08-19 14:30 +0200
Message-ID	<pZaFb-5Oe-5@gated-at.bofh.it> (permalink)
References	<pU3Em-66q-11@gated-at.bofh.it> <pU3Eo-66q-57@gated-at.bofh.it> <pYMCR-3Kd-11@gated-at.bofh.it> <pYSIi-4kl-29@gated-at.bofh.it> <pYSRX-4vO-9@gated-at.bofh.it>
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On Tue 18-08-15 19:29:14, Michal Hocko wrote:
> On Tue 18-08-15 13:11:44, Chris Mason wrote:
> > On Tue, Aug 18, 2015 at 12:40:32PM +0200, Michal Hocko wrote:
> > > From: Michal Hocko <mhocko@suse.com>
> > > 
> > > Btrfs relies on GFP_NOFS allocation when commiting the transaction but
> > > since "mm: page_alloc: do not lock up GFP_NOFS allocations upon OOM"
> > > those allocations are allowed to fail which can lead to a pre-mature
> > > transaction abort:
> > 
> > I can either put the btrfs nofail ones on my pull for Linus, or you can
> > add my sob and send as one unit.  Just let me know how you'd rather do
> > it.
> 
> OK, I will rephrase the changelogs (tomorrow) to not refer to an
> unmerged patch and would appreciate if you can take them and route them
> through your tree. I will then drop them from my pile.

Poste in a separate thread
http://lkml.kernel.org/r/1439986661-15896-1-git-send-email-mhocko@kernel.org
-- 
Michal Hocko
SUSE Labs
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[RFC 7/8] btrfs: Prevent from early transaction abort mhocko@kernel.org - 2015-08-05 12:00 +0200
  Re: [RFC 7/8] btrfs: Prevent from early transaction abort David Sterba <dsterba@suse.com> - 2015-08-05 18:40 +0200
  [RFC -v2 7/8] btrfs: Prevent from early transaction abort Michal Hocko <mhocko@kernel.org> - 2015-08-18 12:50 +0200
    Re: [RFC -v2 7/8] btrfs: Prevent from early transaction abort Michal Hocko <mhocko@kernel.org> - 2015-08-18 13:10 +0200
    Re: [RFC -v2 7/8] btrfs: Prevent from early transaction abort Chris Mason <clm@fb.com> - 2015-08-18 19:20 +0200
      Re: [RFC -v2 7/8] btrfs: Prevent from early transaction abort Michal Hocko <mhocko@kernel.org> - 2015-08-18 19:30 +0200
        Re: [RFC -v2 7/8] btrfs: Prevent from early transaction abort Michal Hocko <mhocko@kernel.org> - 2015-08-19 14:30 +0200

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