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From: David Sterba <dsterba@suse.cz>
To: Christoph Hellwig <hch@lst.de>
Cc: David Sterba <dsterba@suse.com>,
	Josef Bacik <josef@toxicpanda.com>, Qu Wenruo <wqu@suse.com>,
	linux-btrfs@vger.kernel.org
Subject: Re: cleanup btrfs bio handling, part 2 v4
Date: Wed, 1 Jun 2022 21:29:29 +0200	[thread overview]
Message-ID: <20220601192929.GQ20633@twin.jikos.cz> (raw)
In-Reply-To: <20220526073642.1773373-1-hch@lst.de>

On Thu, May 26, 2022 at 09:36:32AM +0200, Christoph Hellwig wrote:
> Hi all,
> 
> this series removes the need to allocate a separate object for I/O
> completions for all read and some write I/Os, and reduced the memory
> usage of the low-level bios cloned by btrfs_map_bio by using plain bios
> instead of the much larger btrfs_bio.
> 
> Changes since v3:
>  - rebased to the latest for-next tree
>  - move "btrfs: don't double-defer bio completions for compressed reads"
>    back to where it was before in the patch order

This is a prerequisite for the raid-repair patches so I've added it to
for-next. There's a minor conflict in patch 4 after the recent changes
to raid56 from Qu, only in the context of the btrfs_bio_wq_end_io
removal and usage of differen work queue. There are also some style
comments I'll send as replies to the patches.

  parent reply	other threads:[~2022-06-01 20:45 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-26  7:36 Christoph Hellwig
2022-05-26  7:36 ` [PATCH 01/10] btrfs: move more work into btrfs_end_bioc Christoph Hellwig
2022-05-26  7:36 ` [PATCH 02/10] btrfs: cleanup btrfs_submit_dio_bio Christoph Hellwig
2022-06-01 19:32   ` David Sterba
2022-05-26  7:36 ` [PATCH 03/10] btrfs: split btrfs_submit_data_bio Christoph Hellwig
2022-05-26  7:36 ` [PATCH 04/10] btrfs: defer I/O completion based on the btrfs_raid_bio Christoph Hellwig
2022-05-26  7:36 ` [PATCH 05/10] btrfs: don't double-defer bio completions for compressed reads Christoph Hellwig
2022-05-26  7:36 ` [PATCH 06/10] btrfs: don't use btrfs_bio_wq_end_io for compressed writes Christoph Hellwig
2022-06-01 19:33   ` David Sterba
2022-05-26  7:36 ` [PATCH 07/10] btrfs: centralize setting REQ_META Christoph Hellwig
2022-05-26  7:36 ` [PATCH 08/10] btrfs: remove btrfs_end_io_wq Christoph Hellwig
2022-05-26  7:36 ` [PATCH 09/10] btrfs: refactor btrfs_map_bio Christoph Hellwig
2022-06-01 19:36   ` David Sterba
2022-05-26  7:36 ` [PATCH 10/10] btrfs: do not allocate a btrfs_bio for low-level bios Christoph Hellwig
2022-06-01 19:39   ` David Sterba
2022-06-01 19:29 ` David Sterba [this message]
2022-06-03 16:47   ` cleanup btrfs bio handling, part 2 v4 David Sterba

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