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From: Christoph Hellwig <hch@infradead.org>
To: Qu Wenruo <wqu@suse.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH v3 01/15] btrfs: rename bio_offset of extent_submit_bio_start_t to opt_file_offset
Date: Wed, 2 Dec 2020 08:12:36 +0000	[thread overview]
Message-ID: <20201202081236.GA18301@infradead.org> (raw)
In-Reply-To: <20201202064811.100688-2-wqu@suse.com>

On Wed, Dec 02, 2020 at 02:47:57PM +0800, Qu Wenruo wrote:
> The parameter bio_offset of extent_submit_bio_start_t is very confusing.
> 
> If it's really bio_offset (offset to bio), then it should be u32.
> 
> But in fact, it's only utilized by dio read, and that member is used as
> file offset, which must be u64.
> 
> Rename it to opt_file_offset since the only user uses it as file offset,
> and add comment for who is using it.

I think dio_file_offset might be a better name.

  reply	other threads:[~2020-12-02  8:13 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-02  6:47 [PATCH v3 00/15] btrfs: preparation patches for subpage support Qu Wenruo
2020-12-02  6:47 ` [PATCH v3 01/15] btrfs: rename bio_offset of extent_submit_bio_start_t to opt_file_offset Qu Wenruo
2020-12-02  8:12   ` Christoph Hellwig [this message]
2020-12-03 18:45     ` David Sterba
2020-12-02  6:47 ` [PATCH v3 02/15] btrfs: pass bio_offset to check_data_csum() directly Qu Wenruo
2020-12-02  6:47 ` [PATCH v3 03/15] btrfs: inode: make btrfs_verify_data_csum() follow sector size Qu Wenruo
2020-12-02  6:48 ` [PATCH v3 04/15] btrfs: extent_io: extract the btree page submission code into its own helper function Qu Wenruo
2020-12-02  6:48 ` [PATCH v3 05/15] btrfs: extent_io: calculate inline extent buffer page size based on page size Qu Wenruo
2020-12-02  6:48 ` [PATCH v3 06/15] btrfs: extent_io: don't allow tree block to cross page boundary for subpage support Qu Wenruo
2020-12-02  6:48 ` [PATCH v3 07/15] btrfs: extent_io: update num_extent_pages() to support subpage sized extent buffer Qu Wenruo
2020-12-02  6:48 ` [PATCH v3 08/15] btrfs: handle sectorsize < PAGE_SIZE case for extent buffer accessors Qu Wenruo
2020-12-02  6:48 ` [PATCH v3 09/15] btrfs: file-item: remove the btrfs_find_ordered_sum() call in btrfs_lookup_bio_sums() Qu Wenruo
2020-12-02  6:48 ` [PATCH v3 10/15] btrfs: file-item: refactor btrfs_lookup_bio_sums() to handle out-of-order bvecs Qu Wenruo
2020-12-02  6:48 ` [PATCH v3 11/15] btrfs: scrub: reduce the width for extent_len/stripe_len from 64 bits to 32 bits Qu Wenruo
2020-12-02  6:48 ` [PATCH v3 12/15] btrfs: scrub: always allocate one full page for one sector for RAID56 Qu Wenruo
2020-12-02  6:48 ` [PATCH v3 13/15] btrfs: scrub: support subpage tree block scrub Qu Wenruo
2020-12-02  6:48 ` [PATCH v3 14/15] btrfs: scrub: support subpage data scrub Qu Wenruo
2020-12-02  6:48 ` [PATCH v3 15/15] btrfs: scrub: allow scrub to work with subpage sectorsize Qu Wenruo
2020-12-04 15:18 ` [PATCH v3 00/15] btrfs: preparation patches for subpage support David Sterba

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