From: David Sterba <dsterba@suse.cz>
To: Qu Wenruo <wqu@suse.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH v2 19/24] btrfs: scrub: remove the anonymous structure from scrub_page
Date: Wed, 18 Nov 2020 20:00:35 +0100 [thread overview]
Message-ID: <20201118190035.GA20563@twin.jikos.cz> (raw)
In-Reply-To: <20201113125149.140836-20-wqu@suse.com>
On Fri, Nov 13, 2020 at 08:51:44PM +0800, Qu Wenruo wrote:
> That anonymous structure serve no special purpose, just replace it with
> regular members.
>
> Signed-off-by: Qu Wenruo <wqu@suse.com>
> ---
> fs/btrfs/scrub.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
> index 57ee06d92150..06f6428b97d1 100644
> --- a/fs/btrfs/scrub.c
> +++ b/fs/btrfs/scrub.c
> @@ -71,11 +71,9 @@ struct scrub_page {
> u64 physical;
> u64 physical_for_dev_replace;
> atomic_t refs;
> - struct {
> - unsigned int mirror_num:8;
> - unsigned int have_csum:1;
> - unsigned int io_error:1;
> - };
> + u8 mirror_num;
> + int have_csum:1;
> + int io_error:1;
Note that bitfields need to be unsigned. This could be also bool as
there's a bit of space, but this misaligns csum by 1 byte so that's for
more evaluation and another patch.
> u8 csum[BTRFS_CSUM_SIZE];
>
> struct scrub_recover *recover;
> --
next prev parent reply other threads:[~2020-11-18 19:02 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-13 12:51 [PATCH v2 00/24] btrfs: preparation patches for subpage support Qu Wenruo
2020-11-13 12:51 ` [PATCH v2 01/24] btrfs: tests: fix free space tree test failure on 64K page system Qu Wenruo
2020-11-17 11:53 ` Nikolay Borisov
2020-11-13 12:51 ` [PATCH v2 02/24] btrfs: extent-io-tests: remove invalid tests Qu Wenruo
2020-11-13 18:42 ` Josef Bacik
2020-11-19 21:08 ` David Sterba
2020-11-13 12:51 ` [PATCH v2 03/24] btrfs: extent_io: replace extent_start/extent_len with better structure for end_bio_extent_readpage() Qu Wenruo
2020-11-13 19:13 ` Josef Bacik
2020-11-18 16:05 ` David Sterba
2020-11-18 23:49 ` Qu Wenruo
2020-11-19 20:30 ` David Sterba
2020-11-19 21:08 ` David Sterba
2020-11-13 12:51 ` [PATCH v2 04/24] btrfs: extent_io: introduce helper to handle page status update in end_bio_extent_readpage() Qu Wenruo
2020-11-13 19:18 ` Josef Bacik
2020-11-18 20:27 ` David Sterba
2020-11-18 23:43 ` Qu Wenruo
2020-11-19 18:32 ` David Sterba
2020-11-19 21:08 ` David Sterba
2020-11-13 12:51 ` [PATCH v2 05/24] btrfs: extent_io: extract the btree page submission code into its own helper function Qu Wenruo
2020-11-13 19:22 ` Josef Bacik
2020-11-18 20:04 ` David Sterba
2020-11-18 20:09 ` David Sterba
2020-11-13 12:51 ` [PATCH v2 06/24] btrfs: remove the phy_offset parameter for btrfs_validate_metadata_buffer() Qu Wenruo
2020-11-19 21:09 ` David Sterba
2020-11-13 12:51 ` [PATCH v2 07/24] btrfs: pass bio_offset to check_data_csum() directly Qu Wenruo
2020-11-13 12:51 ` [PATCH v2 08/24] btrfs: inode: make btrfs_verify_data_csum() follow sector size Qu Wenruo
2020-11-13 19:43 ` Josef Bacik
2020-11-13 12:51 ` [PATCH v2 09/24] btrfs: extent_io: calculate inline extent buffer page size based on page size Qu Wenruo
2020-11-13 19:47 ` Josef Bacik
2020-11-14 0:11 ` Qu Wenruo
2020-11-13 12:51 ` [PATCH v2 10/24] btrfs: introduce a helper to determine if the sectorsize is smaller than PAGE_SIZE Qu Wenruo
2020-11-16 22:51 ` David Sterba
2020-11-16 23:50 ` Qu Wenruo
2020-11-17 0:24 ` David Sterba
2020-11-13 12:51 ` [PATCH v2 11/24] btrfs: extent_io: don't allow tree block to cross page boundary for subpage support Qu Wenruo
2020-11-13 12:51 ` [PATCH v2 12/24] btrfs: extent_io: update num_extent_pages() to support subpage sized extent buffer Qu Wenruo
2020-11-18 16:22 ` David Sterba
2020-11-13 12:51 ` [PATCH v2 13/24] btrfs: handle sectorsize < PAGE_SIZE case for extent buffer accessors Qu Wenruo
2020-11-18 19:30 ` David Sterba
2020-11-18 19:38 ` David Sterba
2020-11-18 19:48 ` David Sterba
2020-11-24 6:20 ` Qu Wenruo
2020-11-13 12:51 ` [PATCH v2 14/24] btrfs: disk-io: only clear EXTENT_LOCK bit for extent_invalidatepage() Qu Wenruo
2020-11-19 21:09 ` David Sterba
2020-11-13 12:51 ` [PATCH v2 15/24] btrfs: extent-io: make type of extent_state::state to be at least 32 bits Qu Wenruo
2020-11-13 18:40 ` Josef Bacik
2020-11-18 16:11 ` David Sterba
2020-11-18 23:48 ` Qu Wenruo
2020-11-19 7:18 ` Nikolay Borisov
2020-11-19 21:09 ` David Sterba
2020-11-13 12:51 ` [PATCH v2 16/24] btrfs: file-item: use nodesize to determine whether we need readahead for btrfs_lookup_bio_sums() Qu Wenruo
2020-11-19 21:09 ` David Sterba
2020-11-13 12:51 ` [PATCH v2 17/24] btrfs: file-item: remove the btrfs_find_ordered_sum() call in btrfs_lookup_bio_sums() Qu Wenruo
2020-11-13 12:51 ` [PATCH v2 18/24] btrfs: file-item: refactor btrfs_lookup_bio_sums() to handle out-of-order bvecs Qu Wenruo
2020-11-18 16:27 ` David Sterba
2020-11-18 23:57 ` Qu Wenruo
2020-11-13 12:51 ` [PATCH v2 19/24] btrfs: scrub: remove the anonymous structure from scrub_page Qu Wenruo
2020-11-18 19:00 ` David Sterba [this message]
2020-11-19 21:09 ` David Sterba
2020-11-13 12:51 ` [PATCH v2 20/24] btrfs: scrub: always allocate one full page for one sector for RAID56 Qu Wenruo
2020-11-13 12:51 ` [PATCH v2 21/24] btrfs: scrub: support subpage tree block scrub Qu Wenruo
2020-11-13 12:51 ` [PATCH v2 22/24] btrfs: scrub: support subpage data scrub Qu Wenruo
2020-11-18 16:29 ` David Sterba
2020-11-18 23:38 ` Qu Wenruo
2020-11-13 12:51 ` [PATCH v2 23/24] btrfs: scrub: allow scrub to work with subpage sectorsize Qu Wenruo
2020-11-13 12:51 ` [PATCH v2 24/24] btrfs: extent_io: Use detach_page_private() for alloc_extent_buffer() Qu Wenruo
2020-11-13 20:05 ` [PATCH v2 00/24] btrfs: preparation patches for subpage support Josef Bacik
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