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From: "François-Xavier Thomas" <fx.thomas@gmail.com>
To: Qu Wenruo <quwenruo.btrfs@gmx.com>
Cc: Filipe Manana <fdmanana@kernel.org>,
	linux-btrfs <linux-btrfs@vger.kernel.org>,
	Qu Wenruo <wqu@suse.com>
Subject: Re: Massive I/O usage from btrfs-cleaner after upgrading to 5.16
Date: Sat, 22 Jan 2022 19:20:55 +0100	[thread overview]
Message-ID: <CAEwRaO58oCzY4GjU3gCSru3Gq02GvGSdkg5hPwCKMwYcZ+cM2Q@mail.gmail.com> (raw)
In-Reply-To: <7802ff58-d08b-76d4-fcc7-c5d15d798b3b@gmx.com>

> https://pastebin.com/raw/p87HX6AF

The 7th patch doesn't seem to be having a noticeable improvement so far.

> So even with more fixes, we may just end up with more IO for autodefrag,
> purely because old code is not defragging as hard.

That's unfortunate, but thanks for having looked into it, at least
there's a known reason for the IO increase.

François-Xavier

  reply	other threads:[~2022-01-22 18:21 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-17 10:06 Massive I/O usage from btrfs-cleaner after upgrading to 5.16 François-Xavier Thomas
2022-01-17 12:02 ` Filipe Manana
2022-01-17 16:59   ` Filipe Manana
2022-01-17 21:37     ` François-Xavier Thomas
2022-01-19  9:44       ` François-Xavier Thomas
2022-01-19 10:13         ` Filipe Manana
2022-01-20 11:37           ` François-Xavier Thomas
2022-01-20 11:44             ` Filipe Manana
2022-01-20 12:02               ` François-Xavier Thomas
2022-01-20 12:45                 ` Qu Wenruo
2022-01-20 12:55                   ` Filipe Manana
2022-01-20 17:46                 ` Filipe Manana
2022-01-20 18:21                   ` François-Xavier Thomas
2022-01-21 10:49                     ` Filipe Manana
2022-01-21 19:39                       ` François-Xavier Thomas
2022-01-21 23:34                         ` Qu Wenruo
2022-01-22 18:20                           ` François-Xavier Thomas [this message]
2022-01-24  7:00                             ` Qu Wenruo
2022-01-25 20:00                               ` François-Xavier Thomas
2022-01-25 23:29                                 ` Qu Wenruo

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