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From: Qu Wenruo <quwenruo.btrfs@gmx.com>
To: Christoph Hellwig <hch@lst.de>
Cc: Chris Mason <clm@fb.com>, Josef Bacik <josef@toxicpanda.com>,
	David Sterba <dsterba@suse.com>, Qu Wenruo <wqu@suse.com>,
	linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 8/8] btrfs: use btrfs_bio_for_each_sector in btrfs_check_read_dio_bio
Date: Sun, 22 May 2022 20:38:50 +0800	[thread overview]
Message-ID: <d7a1e588-7b2b-e85e-c204-a711d54ecc7c@gmx.com> (raw)
In-Reply-To: <20220522123108.GA23355@lst.de>



On 2022/5/22 20:31, Christoph Hellwig wrote:
> On Sun, May 22, 2022 at 08:21:47PM +0800, Qu Wenruo wrote:
>> In fact, in my version I also want to convert the buffered read endio to
>> use the helper, and get rid of the error bitmap thing.
>
> Yes, the buffered end I/O path could use some more love.  I also wonder
> if splitting the data vs metadata case might be good idea as well.  But
> maybe we can finish the read repair series first and do that next?

OK, that makes sense.

> 'cause now a lot of the bio works will depend on the read repair, and
> I don't want to block it on yet another series..

Although I believe we will have to take more time on the read repair
code/functionality.

Especially all our submitted version have their own problems.

 From the basic handling of checker pattern corruption, to the trade-off
between memory allocation and performance for read on corrupted data.

Thanks,
Qu

  reply	other threads:[~2022-05-22 12:39 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-22 11:47 misc btrfs cleanups Christoph Hellwig
2022-05-22 11:47 ` [PATCH 1/8] btrfs: quit early if the fs has no RAID56 support for raid56 related checks Christoph Hellwig
2022-05-22 11:47 ` [PATCH 2/8] btrfs: introduce a pure data checksum checking helper Christoph Hellwig
2022-05-23  0:38   ` Qu Wenruo
2022-05-24  7:24     ` Christoph Hellwig
2022-05-24  8:07       ` Qu Wenruo
2022-05-24  8:11         ` Christoph Hellwig
2022-05-25 16:20           ` David Sterba
2022-05-22 11:47 ` [PATCH 3/8] btrfs: remove duplicated parameters from submit_data_read_repair() Christoph Hellwig
2022-05-22 11:47 ` [PATCH 4/8] btrfs: factor out a helper to end a single sector buffere I/O Christoph Hellwig
2022-05-25 14:54   ` Nikolay Borisov
2022-05-22 11:47 ` [PATCH 5/8] btrfs: refactor end_bio_extent_readpage Christoph Hellwig
2022-05-25 14:57   ` Nikolay Borisov
2022-05-22 11:47 ` [PATCH 6/8] btrfs: factor out a btrfs_csum_ptr helper Christoph Hellwig
2022-05-25 14:32   ` Nikolay Borisov
2022-05-22 11:47 ` [PATCH 7/8] btrfs: add a helper to iterate through a btrfs_bio with sector sized chunks Christoph Hellwig
2022-05-26 12:58   ` Nikolay Borisov
2022-05-22 11:47 ` [PATCH 8/8] btrfs: use btrfs_bio_for_each_sector in btrfs_check_read_dio_bio Christoph Hellwig
2022-05-22 12:21   ` Qu Wenruo
2022-05-22 12:31     ` Christoph Hellwig
2022-05-22 12:38       ` Qu Wenruo [this message]
2022-05-22 12:53         ` Christoph Hellwig
2022-05-23  0:07           ` Qu Wenruo
2022-05-23  6:26             ` Christoph Hellwig
2022-05-23  7:46               ` Qu Wenruo
2022-05-24  7:32                 ` Christoph Hellwig
2022-05-24  8:04                   ` Qu Wenruo
2022-05-24  8:21                     ` Qu Wenruo
2022-05-24 12:08                       ` Christoph Hellwig
2022-05-24 13:13                         ` Qu Wenruo
2022-05-24 14:02                           ` Qu Wenruo
2022-05-25 15:12                           ` Nikolay Borisov
2022-05-25 22:46                             ` Qu Wenruo
2022-05-26 12:58   ` Nikolay Borisov
2022-05-25 20:20 ` misc btrfs cleanups David Sterba
2022-05-27 15:20   ` David Sterba

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