From: Christoph Hellwig <hch@lst.de>
To: John Garry <john.g.garry@oracle.com>
Cc: "Ritesh Harjani (IBM)" <ritesh.list@gmail.com>,
brauner@kernel.org, djwong@kernel.org, cem@kernel.org,
dchinner@redhat.com, hch@lst.de, linux-xfs@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
ojaswin@linux.ibm.com, martin.petersen@oracle.com, tytso@mit.edu,
linux-ext4@vger.kernel.org
Subject: Re: [PATCH v6 10/13] xfs: iomap COW-based atomic write support
Date: Tue, 18 Mar 2025 06:35:16 +0100 [thread overview]
Message-ID: <20250318053516.GC14470@lst.de> (raw)
In-Reply-To: <aad48c97-20dc-4fec-aeda-9f87294bac78@oracle.com>
On Mon, Mar 17, 2025 at 02:56:52PM +0000, John Garry wrote:
> ok, fine. I am just worried that these commit messages become too wordy.
> But, if people want this info, then I can provide it.
While too wordy commit messages do exit, you're really far from that
threshold. So yes, please explain this.
I think we also really need a document outside of commit logs and
comments that explains the exact atomic write semantics and how
we implement them between the hardware offload and always COW writes.
next prev parent reply other threads:[~2025-03-18 5:35 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-13 17:12 [PATCH v6 00/13] large atomic writes for xfs with CoW John Garry
2025-03-13 17:12 ` [PATCH v6 01/13] iomap: inline iomap_dio_bio_opflags() John Garry
2025-03-16 13:40 ` Ritesh Harjani
2025-03-17 6:07 ` Christoph Hellwig
2025-03-13 17:12 ` [PATCH v6 02/13] iomap: comment on atomic write checks in iomap_dio_bio_iter() John Garry
2025-03-17 6:08 ` Christoph Hellwig
2025-03-17 8:22 ` John Garry
2025-03-17 14:16 ` Ritesh Harjani
2025-03-13 17:13 ` [PATCH v6 03/13] iomap: rework IOMAP atomic flags John Garry
2025-03-17 6:11 ` Christoph Hellwig
2025-03-17 9:05 ` John Garry
2025-03-18 5:32 ` Christoph Hellwig
2025-03-18 8:11 ` John Garry
2025-03-17 13:44 ` Ritesh Harjani
2025-03-17 14:25 ` John Garry
2025-03-13 17:13 ` [PATCH v6 04/13] xfs: pass flags to xfs_reflink_allocate_cow() John Garry
2025-03-17 6:15 ` Christoph Hellwig
2025-03-17 9:17 ` John Garry
2025-03-18 5:33 ` Christoph Hellwig
2025-03-18 8:12 ` John Garry
2025-03-13 17:13 ` [PATCH v6 05/13] xfs: allow block allocator to take an alignment hint John Garry
2025-03-17 6:16 ` Christoph Hellwig
2025-03-13 17:13 ` [PATCH v6 06/13] xfs: switch atomic write size check in xfs_file_write_iter() John Garry
2025-03-17 6:18 ` Christoph Hellwig
2025-03-17 9:17 ` John Garry
2025-03-13 17:13 ` [PATCH v6 07/13] xfs: refactor xfs_reflink_end_cow_extent() John Garry
2025-03-17 6:19 ` Christoph Hellwig
2025-03-13 17:13 ` [PATCH v6 08/13] xfs: reflink CoW-based atomic write support John Garry
2025-03-17 6:20 ` Christoph Hellwig
2025-03-13 17:13 ` [PATCH v6 09/13] xfs: add XFS_REFLINK_ALLOC_EXTSZALIGN John Garry
2025-03-13 18:03 ` Darrick J. Wong
2025-03-17 6:23 ` Christoph Hellwig
2025-03-13 17:13 ` [PATCH v6 10/13] xfs: iomap COW-based atomic write support John Garry
2025-03-16 6:53 ` Ritesh Harjani
2025-03-17 8:54 ` John Garry
2025-03-17 14:20 ` Ritesh Harjani
2025-03-17 14:56 ` John Garry
2025-03-18 5:35 ` Christoph Hellwig [this message]
2025-03-17 7:26 ` Christoph Hellwig
2025-03-17 10:18 ` John Garry
2025-03-18 5:39 ` Christoph Hellwig
2025-03-18 8:22 ` John Garry
2025-03-18 8:32 ` Christoph Hellwig
2025-03-18 17:44 ` John Garry
2025-03-19 7:30 ` Christoph Hellwig
2025-03-19 10:24 ` John Garry
2025-03-20 5:29 ` Christoph Hellwig
2025-03-20 9:49 ` John Garry
2025-03-20 14:12 ` Christoph Hellwig
2025-03-13 17:13 ` [PATCH v6 11/13] xfs: add xfs_file_dio_write_atomic() John Garry
2025-03-17 6:41 ` Christoph Hellwig
2025-03-17 9:36 ` John Garry
2025-03-18 5:43 ` Christoph Hellwig
2025-03-18 8:42 ` John Garry
2025-03-18 8:46 ` Christoph Hellwig
2025-03-18 9:12 ` John Garry
2025-03-13 17:13 ` [PATCH v6 12/13] xfs: commit CoW-based atomic writes atomically John Garry
2025-03-17 6:56 ` Christoph Hellwig
2025-03-17 9:43 ` John Garry
2025-03-13 17:13 ` [PATCH v6 13/13] xfs: update atomic write max size John Garry
2025-03-17 7:25 ` Christoph Hellwig
2025-03-17 9:57 ` John Garry
2025-03-18 5:47 ` Christoph Hellwig
2025-03-18 5:48 ` [PATCH v6 00/13] large atomic writes for xfs with CoW Christoph Hellwig
2025-03-18 8:44 ` John Garry
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