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From: Nikolay Borisov <nborisov@suse.com>
To: Josef Bacik <josef@toxicpanda.com>,
	linux-btrfs@vger.kernel.org, kernel-team@fb.com
Subject: Re: [PATCH 4/8] btrfs: add ALLOC_CHUNK_FORCE to the flushing code
Date: Tue, 11 Dec 2018 12:08:23 +0200
Message-ID: <83a7b193-0763-6f7a-611c-deaf0d6c380e@suse.com> (raw)
In-Reply-To: <20181203152459.21630-5-josef@toxicpanda.com>



On 3.12.18 г. 17:24 ч., Josef Bacik wrote:
> With my change to no longer take into account the global reserve for
> metadata allocation chunks we have this side-effect for mixed block
> group fs'es where we are no longer allocating enough chunks for the
> data/metadata requirements.  To deal with this add a ALLOC_CHUNK_FORCE
> step to the flushing state machine.  This will only get used if we've
> already made a full loop through the flushing machinery and tried
> committing the transaction.  If we have then we can try and force a
> chunk allocation since we likely need it to make progress.  This
> resolves the issues I was seeing with the mixed bg tests in xfstests
> with my previous patch.
> 
> Reviewed-by: Nikolay Borisov <nborisov@suse.com>
> Signed-off-by: Josef Bacik <josef@toxicpanda.com>

Imo this and the previous patch should be squashed into one.

> ---
>  fs/btrfs/ctree.h             |  3 ++-
>  fs/btrfs/extent-tree.c       | 18 +++++++++++++++++-
>  include/trace/events/btrfs.h |  1 +
>  3 files changed, 20 insertions(+), 2 deletions(-)
> 

<snip>

  reply index

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-03 15:24 [PATCH 0/8][V2] Enospc cleanups and fixeS Josef Bacik
2018-12-03 15:24 ` [PATCH 1/8] btrfs: check if free bgs for commit Josef Bacik
2018-12-03 15:24 ` [PATCH 2/8] btrfs: dump block_rsv whe dumping space info Josef Bacik
2018-12-03 15:24 ` [PATCH 3/8] btrfs: don't use global rsv for chunk allocation Josef Bacik
2018-12-11  9:59   ` Nikolay Borisov
2018-12-03 15:24 ` [PATCH 4/8] btrfs: add ALLOC_CHUNK_FORCE to the flushing code Josef Bacik
2018-12-11 10:08   ` Nikolay Borisov [this message]
2018-12-11 16:47     ` David Sterba
2018-12-11 16:51       ` Nikolay Borisov
2018-12-11 19:04         ` David Sterba
2018-12-03 15:24 ` [PATCH 5/8] btrfs: don't enospc all tickets on flush failure Josef Bacik
2018-12-11 14:32   ` Nikolay Borisov
2018-12-03 15:24 ` [PATCH 6/8] btrfs: loop in inode_rsv_refill Josef Bacik
2018-12-12 16:01   ` Nikolay Borisov
2019-02-06 18:20     ` David Sterba
2019-01-30 16:41   ` David Sterba
2018-12-03 15:24 ` [PATCH 7/8] btrfs: be more explicit about allowed flush states Josef Bacik
2018-12-11 18:28   ` David Sterba
2018-12-12  8:40   ` Nikolay Borisov
2018-12-03 15:24 ` [PATCH 8/8] btrfs: reserve extra space during evict() Josef Bacik
2018-12-14  8:20   ` Nikolay Borisov
2018-12-13 14:11 ` [PATCH 0/8][V2] Enospc cleanups and fixeS David Sterba
2018-12-13 14:36   ` Nikolay Borisov
2018-12-13 14:45   ` Josef Bacik
2018-12-13 18:17     ` David Sterba
2018-12-13 18:28       ` Josef Bacik
2018-12-13 18:41         ` David Sterba
2019-02-08 16:08 ` David Sterba
  -- strict thread matches above, loose matches on Subject: below --
2018-11-21 19:03 [PATCH 0/8] Enospc cleanups and fixes Josef Bacik
2018-11-21 19:03 ` [PATCH 4/8] btrfs: add ALLOC_CHUNK_FORCE to the flushing code Josef Bacik
2018-11-26 11:28   ` Nikolay Borisov

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