From: Chris Mason <clm@fb.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>,
<linux-fsdevel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>,
Dave Chinner <david@fromorbit.com>,
"Theodore Ts'o" <tytso@mit.edu>, <linux-btrfs@vger.kernel.org>,
<linux-ext4@vger.kernel.org>, Jan Kara <jack@suse.cz>
Subject: Re: [RFC -v2 7/8] btrfs: Prevent from early transaction abort
Date: Tue, 18 Aug 2015 13:11:44 -0400 [thread overview]
Message-ID: <20150818171144.GA5206@ret.DHCP.TheFacebook.com> (raw)
In-Reply-To: <20150818104031.GF5033@dhcp22.suse.cz>
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
next prev parent reply other threads:[~2015-08-18 17:12 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-05 9:51 [RFC 0/8] Allow GFP_NOFS allocation to fail mhocko
2015-08-05 9:51 ` [RFC 1/8] mm, oom: Give __GFP_NOFAIL allocations access to memory reserves mhocko
2015-08-05 9:51 ` [RFC 2/8] mm: Allow GFP_IOFS for page_cache_read page cache allocation mhocko
2015-08-05 9:51 ` [RFC 3/8] mm: page_alloc: do not lock up GFP_NOFS allocations upon OOM mhocko
2015-08-05 9:51 ` [RFC 4/8] jbd, jbd2: Do not fail journal because of frozen_buffer allocation failure mhocko
2015-08-05 11:42 ` Jan Kara
2015-08-05 16:49 ` Greg Thelen
2015-08-12 9:14 ` Michal Hocko
2015-08-15 13:54 ` Theodore Ts'o
2015-08-18 10:36 ` Michal Hocko
2015-08-24 12:06 ` Michal Hocko
2015-08-18 10:38 ` [RFC -v2 " Michal Hocko
2015-08-05 9:51 ` [RFC 5/8] ext4: Do not fail journal due to block allocator mhocko
2015-08-05 11:43 ` Jan Kara
2015-08-18 10:39 ` [RFC -v2 " Michal Hocko
2015-08-18 10:55 ` Michal Hocko
2015-08-05 9:51 ` [RFC 6/8] ext3: Do not abort journal prematurely mhocko
2015-08-18 10:39 ` [RFC -v2 " Michal Hocko
2015-08-05 9:51 ` [RFC 7/8] btrfs: Prevent from early transaction abort mhocko
2015-08-05 16:31 ` David Sterba
2015-08-18 10:40 ` [RFC -v2 " Michal Hocko
2015-08-18 11:01 ` Michal Hocko
2015-08-18 17:11 ` Chris Mason [this message]
2015-08-18 17:29 ` Michal Hocko
2015-08-19 12:26 ` Michal Hocko
2015-08-05 9:51 ` [RFC 8/8] btrfs: use __GFP_NOFAIL in alloc_btrfs_bio mhocko
2015-08-05 16:32 ` David Sterba
2015-08-18 10:41 ` [RFC -v2 " Michal Hocko
2015-08-05 19:58 ` [RFC 0/8] Allow GFP_NOFS allocation to fail Andreas Dilger
2015-08-06 14:34 ` Michal Hocko
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