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From: David Sterba <dsterba@suse.cz>
To: Josef Bacik <josef@toxicpanda.com>
Cc: linux-btrfs@vger.kernel.org, kernel-team@fb.com
Subject: Re: [PATCH 0/3][V2] Delayed iput fixes
Date: Tue, 8 Jan 2019 16:34:39 +0100
Message-ID: <20190108153438.GG23615@twin.jikos.cz> (raw)
In-Reply-To: <20181203160652.25078-1-josef@toxicpanda.com>

On Mon, Dec 03, 2018 at 11:06:49AM -0500, Josef Bacik wrote:
> v1->v2:
> - only wakeup if the cleaner isn't currently doing work.
> - re-arranged some stuff for running delayed iputs during flushint.
> - removed the open code wakeup in the waitqueue patch.
> 
> -- Original message --
> 
> Here are some delayed iput fixes.  Delayed iputs can hold reservations for a
> while and there's no real good way to make sure they were gone for good, which
> means we could early enospc when in reality if we had just waited for the iput
> we would have had plenty of space.  So fix this up by making us wait for delayed
> iputs when deciding if we need to commit for enospc flushing, and then cleanup
> and rework how we run delayed iputs to make it more straightforward to wait on
> them and make sure we're all done using them.  Thanks,

I'd like to push this patchset to 5.0, can you please post the missing
rationale for 2/3? I'm not expecting any code changes so it's just the
text, I can update the patch, no need to resend the whole series.
Thanks.

  parent reply index

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-03 16:06 Josef Bacik
2018-12-03 16:06 ` [PATCH 1/3] btrfs: run delayed iputs before committing Josef Bacik
2018-12-04  9:03   ` Nikolay Borisov
2018-12-03 16:06 ` [PATCH 2/3] btrfs: wakeup cleaner thread when adding delayed iput Josef Bacik
2018-12-04  9:21   ` Nikolay Borisov
2018-12-04 18:18     ` Josef Bacik
2018-12-03 16:06 ` [PATCH 3/3] btrfs: replace cleaner_delayed_iput_mutex with a waitqueue Josef Bacik
2018-12-04 11:46   ` Nikolay Borisov
2018-12-04 18:21     ` Josef Bacik
2019-01-08 15:34 ` David Sterba [this message]
2019-01-11 15:09   ` [PATCH 0/3][V2] Delayed iput fixes Josef Bacik

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