From: Christoph Hellwig <hch@lst.de>
To: Qu Wenruo <quwenruo.btrfs@gmx.com>
Cc: Christoph Hellwig <hch@lst.de>, Qu Wenruo <wqu@suse.com>,
linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 03/34] btrfs: add a btrfs_inode pointer to struct btrfs_bio
Date: Thu, 9 Mar 2023 10:31:19 +0100 [thread overview]
Message-ID: <20230309093119.GB23816@lst.de> (raw)
In-Reply-To: <9c59ce30-f217-568e-a3a0-f5a8fd1ac107@gmx.com>
On Thu, Mar 09, 2023 at 08:08:34AM +0800, Qu Wenruo wrote:
> My current one is a new btrfs_submit_scrub_read() helper, getting rid of
> features I don't need and slightly modify the endio functions to avoid any
> checks if no bbio->inode. AKA, most of your idea.
>
> So that would be mostly fine.
This looks mostly ok to me. I suspect in the longer run all metadata
I/O might be able to use this helper as well.
> But for RAID56, the bioc has to live long enough for raid56 work to finish,
> thus has to go btrfs_raid56_end_io() and rely on the extra bbio->end_io().
The bioc lifetimes for RAID56 are a bit odd and one of the things I'd
love to eventually look into, but іt's not very high on the priority list
right now.
next prev parent reply other threads:[~2023-03-09 9:31 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-21 6:49 consolidate btrfs checksumming, repair and bio splitting v4 Christoph Hellwig
2023-01-21 6:49 ` [PATCH 01/34] block: export bio_split_rw Christoph Hellwig
2023-01-21 6:49 ` [PATCH 02/34] btrfs: better document struct btrfs_bio Christoph Hellwig
2023-01-22 10:19 ` Anand Jain
2023-01-23 15:25 ` Johannes Thumshirn
2023-01-21 6:50 ` [PATCH 03/34] btrfs: add a btrfs_inode pointer to " Christoph Hellwig
2023-01-22 10:20 ` Anand Jain
2023-01-23 15:26 ` Johannes Thumshirn
2023-01-23 15:47 ` Johannes Thumshirn
2023-03-07 1:44 ` Qu Wenruo
2023-03-07 14:41 ` Christoph Hellwig
2023-03-07 22:21 ` Qu Wenruo
2023-03-08 6:04 ` Qu Wenruo
2023-03-08 14:28 ` Christoph Hellwig
2023-03-09 0:08 ` Qu Wenruo
2023-03-09 9:31 ` Christoph Hellwig [this message]
2023-03-09 10:32 ` Qu Wenruo
2023-03-09 15:18 ` Christoph Hellwig
2023-01-21 6:50 ` [PATCH 04/34] btrfs: remove the direct I/O read checksum lookup optimization Christoph Hellwig
2023-01-23 15:59 ` Johannes Thumshirn
2023-01-24 14:55 ` Anand Jain
2023-01-24 19:55 ` Christoph Hellwig
2023-01-25 7:42 ` Anand Jain
2023-01-21 6:50 ` [PATCH 05/34] btrfs: simplify btrfs_lookup_bio_sums Christoph Hellwig
2023-01-23 16:06 ` Johannes Thumshirn
2023-01-24 15:16 ` Anand Jain
2023-01-21 6:50 ` [PATCH 06/34] btrfs: slightly refactor btrfs_submit_bio Christoph Hellwig
2023-01-23 16:13 ` Johannes Thumshirn
2023-01-24 15:27 ` Anand Jain
2023-01-21 6:50 ` [PATCH 07/34] btrfs: save the bio iter for checksum validation in common code Christoph Hellwig
2023-01-23 16:18 ` Johannes Thumshirn
2023-01-21 6:50 ` [PATCH 08/34] btrfs: pre-load data checksum for reads in btrfs_submit_bio Christoph Hellwig
2023-01-23 16:32 ` Johannes Thumshirn
2023-01-21 6:50 ` [PATCH 09/34] btrfs: add a btrfs_data_csum_ok helper Christoph Hellwig
2023-01-23 16:36 ` Johannes Thumshirn
2023-01-21 6:50 ` [PATCH 10/34] btrfs: handle checksum validation and repair at the storage layer Christoph Hellwig
2023-01-23 16:39 ` Johannes Thumshirn
2023-01-24 6:47 ` Christoph Hellwig
2023-01-24 8:16 ` Johannes Thumshirn
2023-01-21 6:50 ` [PATCH 11/34] btrfs: remove btrfs_bio_free_csum Christoph Hellwig
2023-01-23 16:41 ` Johannes Thumshirn
2023-01-21 6:50 ` [PATCH 12/34] btrfs: remove btrfs_bio_for_each_sector Christoph Hellwig
2023-01-23 16:42 ` Johannes Thumshirn
2023-01-21 6:50 ` [PATCH 13/34] btrfs: remove now unused checksumming helpers Christoph Hellwig
2023-01-23 16:49 ` Johannes Thumshirn
2023-01-23 16:53 ` Christoph Hellwig
2023-01-24 8:33 ` Johannes Thumshirn
2023-01-21 6:50 ` [PATCH 14/34] btrfs: remove the device field in struct btrfs_bio Christoph Hellwig
2023-01-24 11:01 ` Johannes Thumshirn
2023-01-21 6:50 ` [PATCH 15/34] btrfs: remove the io_failure_record infrastructure Christoph Hellwig
2023-01-24 11:04 ` Johannes Thumshirn
2023-01-21 6:50 ` [PATCH 16/34] btrfs: rename the iter field in struct btrfs_bio Christoph Hellwig
2023-01-24 11:09 ` Johannes Thumshirn
2023-01-21 6:50 ` [PATCH 17/34] btrfs: remove the is_metadata flag " Christoph Hellwig
2023-01-24 11:13 ` Johannes Thumshirn
2023-01-21 6:50 ` [PATCH 18/34] btrfs: remove the submit_bio_start helpers Christoph Hellwig
2023-01-24 11:49 ` Johannes Thumshirn
2023-01-21 6:50 ` [PATCH 19/34] btrfs: simplify the btrfs_csum_one_bio calling convention Christoph Hellwig
2023-01-21 6:50 ` [PATCH 20/34] btrfs: handle checksum generation in the storage layer Christoph Hellwig
2023-01-21 6:50 ` [PATCH 21/34] btrfs: handle recording of zoned writes " Christoph Hellwig
2023-01-21 6:50 ` [PATCH 22/34] btrfs: support cloned bios in btree_csum_one_bio Christoph Hellwig
2023-01-21 6:50 ` [PATCH 23/34] btrfs: allow btrfs_submit_bio to split bios Christoph Hellwig
2023-01-25 21:51 ` Josef Bacik
2023-01-26 5:21 ` Christoph Hellwig
2023-01-26 17:43 ` Josef Bacik
2023-01-26 17:46 ` Christoph Hellwig
2023-01-26 18:33 ` David Sterba
2023-01-27 7:02 ` test not in the auto group, was: " Christoph Hellwig
2023-01-21 6:50 ` [PATCH 24/34] btrfs: pass the iomap bio to btrfs_submit_bio Christoph Hellwig
2023-01-21 6:50 ` [PATCH 25/34] btrfs: remove stripe boundary calculation for buffered I/O Christoph Hellwig
2023-01-21 6:50 ` [PATCH 26/34] btrfs: remove stripe boundary calculation for compressed I/O Christoph Hellwig
2023-01-21 6:50 ` [PATCH 27/34] btrfs: remove stripe boundary calculation for encoded I/O Christoph Hellwig
2023-01-21 6:50 ` [PATCH 28/34] btrfs: remove struct btrfs_io_geometry Christoph Hellwig
2023-01-21 6:50 ` [PATCH 29/34] btrfs: remove submit_encoded_read_bio Christoph Hellwig
2023-01-21 6:50 ` [PATCH 30/34] btrfs: remove the fs_info argument to btrfs_submit_bio Christoph Hellwig
2023-01-21 6:50 ` [PATCH 31/34] btrfs: remove now spurious bio submission helpers Christoph Hellwig
2023-01-21 6:50 ` [PATCH 32/34] btrfs: calculate file system wide queue limit for zoned mode Christoph Hellwig
2023-01-21 6:50 ` [PATCH 33/34] btrfs: split zone append bios in btrfs_submit_bio Christoph Hellwig
2023-01-21 6:50 ` [PATCH 34/34] iomap: remove IOMAP_F_ZONE_APPEND Christoph Hellwig
2023-01-24 13:22 ` consolidate btrfs checksumming, repair and bio splitting v4 Christoph Hellwig
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