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From: Christoph Hellwig <hch@lst.de>
To: Josef Bacik <josef@toxicpanda.com>
Cc: Christoph Hellwig <hch@lst.de>, Chris Mason <clm@fb.com>,
	David Sterba <dsterba@suse.com>,
	linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: small writeback fixes
Date: Wed, 19 Jul 2023 17:25:29 +0200	[thread overview]
Message-ID: <20230719152529.GA434@lst.de> (raw)
In-Reply-To: <20230719143032.GA856129@perftesting>

On Wed, Jul 19, 2023 at 10:30:32AM -0400, Josef Bacik wrote:
> I backed your patches out and re-ran and I hit hangs with generic/475 still, so
> I think you're clear.  There's something awkward going on here, the below hang
> just looks like we're waiting for IO.  The caching thread is blocking the
> transaction commit because it's trying to read some old blocks, and it's been
> waiting for them to come back for 2 minutes.  That's holding everybody else up.
> I'll dig into all of this, misc-next is definitely fucked somehow, your stuff
> may just be a victim.  Thanks,

Yes.  I think this has shown up in misc-next as so far I've not
been able to reproduce anything on 6.5-rc2.

  reply	other threads:[~2023-07-19 15:25 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-13 13:04 small writeback fixes Christoph Hellwig
2023-07-13 13:04 ` [PATCH 1/9] btrfs: don't stop integrity writeback too early Christoph Hellwig
2023-07-13 13:04 ` [PATCH 2/9] btrfs: don't wait for writeback on clean pages in extent_write_cache_pages Christoph Hellwig
2023-07-13 13:04 ` [PATCH 3/9] btrfs: fix an error handling corner case in cow_file_range Christoph Hellwig
2023-07-13 13:04 ` [PATCH 4/9] btrfs: move the cow_fixup earlier in writepages handling Christoph Hellwig
2023-07-13 13:04 ` [PATCH 5/9] btrfs: fix handling of errors from __extent_writepage_io Christoph Hellwig
2023-07-13 13:04 ` [PATCH 6/9] btrfs: stop submitting I/O after an error in extent_write_locked_range Christoph Hellwig
2023-07-13 13:04 ` [PATCH 7/9] btrfs: fix a race in clearing the writeback bit for sub-page I/O Christoph Hellwig
2023-07-13 13:04 ` [PATCH 8/9] btrfs: remove the call to btrfs_mark_ordered_io_finished in btrfs_writepage_fixup_worker Christoph Hellwig
2023-07-13 13:04 ` [PATCH 9/9] btrfs: lift the call to mapping_set_error out of cow_file_range Christoph Hellwig
2023-07-14 13:59 ` small writeback fixes Josef Bacik
2023-07-18 17:17 ` Josef Bacik
2023-07-19  5:39   ` Christoph Hellwig
2023-07-19 11:50     ` Christoph Hellwig
2023-07-19 14:30       ` Josef Bacik
2023-07-19 15:25         ` Christoph Hellwig [this message]
2023-07-19 21:42       ` Josef Bacik
2023-07-20  4:48         ` Christoph Hellwig

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