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

From Chris Mason <clm@fb.com>
Newsgroups linux.kernel
Subject Re: [RFC -v2 7/8] btrfs: Prevent from early transaction abort
Date 2015-08-18 19:20 +0200
Message-ID <pYSIi-4kl-29@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>
Organization linux.* mail to news gateway

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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.

-chris
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Thread

[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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