From: John Garry <john.g.garry@oracle.com>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: brauner@kernel.org, hch@lst.de, viro@zeniv.linux.org.uk,
jack@suse.cz, cem@kernel.org, linux-fsdevel@vger.kernel.org,
dchinner@redhat.com, linux-xfs@vger.kernel.org,
linux-kernel@vger.kernel.org, ojaswin@linux.ibm.com,
ritesh.list@gmail.com, martin.petersen@oracle.com,
linux-ext4@vger.kernel.org, linux-block@vger.kernel.org,
catherine.hoang@oracle.com, linux-api@vger.kernel.org
Subject: Re: [PATCH v7 11/14] xfs: add xfs_file_dio_write_atomic()
Date: Mon, 21 Apr 2025 06:47:44 +0100 [thread overview]
Message-ID: <2467484b-382b-47c2-ae70-4a41d63cf4fc@oracle.com> (raw)
In-Reply-To: <20250421040002.GU25675@frogsfrogsfrogs>
On 21/04/2025 05:00, Darrick J. Wong wrote:
>> @@ -843,6 +909,8 @@ xfs_file_dio_write(
>> return xfs_file_dio_write_unaligned(ip, iocb, from);
>> if (xfs_is_zoned_inode(ip))
>> return xfs_file_dio_write_zoned(ip, iocb, from);
> What happens to an IOCB_ATOMIC write to a zoned file? I think the
> ioend for an atomic write to a zoned file involves a similar change as
> an outofplace atomic write to a file (one big transaction to absorb
> all the mapping changes) but I don't think the zoned code quite does
> that...?
Correct. For now, I don't think that we should try to support zoned
device atomic writes. However we don't have proper checks for this. How
about adding a xfs_has_zoned() check in xfs_get_atomic_write_{min, max,
opt}()?
Thanks,
John
next prev parent reply other threads:[~2025-04-21 5:48 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-15 12:14 [PATCH v7 00/14] large atomic writes for xfs John Garry
2025-04-15 12:14 ` [PATCH v7 01/14] fs: add atomic write unit max opt to statx John Garry
2025-04-15 12:14 ` [PATCH v7 02/14] xfs: add helpers to compute log item overhead John Garry
2025-04-15 12:14 ` [PATCH v7 03/14] xfs: add helpers to compute transaction reservation for finishing intent items John Garry
2025-04-15 12:14 ` [PATCH v7 04/14] xfs: rename xfs_inode_can_atomicwrite() -> xfs_inode_can_hw_atomicwrite() John Garry
2025-04-15 12:14 ` [PATCH v7 05/14] xfs: allow block allocator to take an alignment hint John Garry
2025-04-15 12:14 ` [PATCH v7 06/14] xfs: refactor xfs_reflink_end_cow_extent() John Garry
2025-04-15 12:14 ` [PATCH v7 07/14] xfs: refine atomic write size check in xfs_file_write_iter() John Garry
2025-04-15 12:14 ` [PATCH v7 08/14] xfs: add xfs_atomic_write_cow_iomap_begin() John Garry
2025-04-15 12:14 ` [PATCH v7 09/14] xfs: add large atomic writes checks in xfs_direct_write_iomap_begin() John Garry
2025-04-15 17:34 ` Darrick J. Wong
2025-04-15 17:46 ` John Garry
2025-04-15 12:14 ` [PATCH v7 10/14] xfs: commit CoW-based atomic writes atomically John Garry
2025-04-15 12:14 ` [PATCH v7 11/14] xfs: add xfs_file_dio_write_atomic() John Garry
2025-04-21 4:00 ` Darrick J. Wong
2025-04-21 5:47 ` John Garry [this message]
2025-04-21 16:42 ` Darrick J. Wong
2025-04-23 5:42 ` Christoph Hellwig
2025-04-23 8:19 ` Christoph Hellwig
2025-04-23 14:51 ` Darrick J. Wong
2025-04-23 14:53 ` Darrick J. Wong
2025-04-21 21:18 ` Luis Chamberlain
2025-04-22 6:08 ` John Garry
2025-04-23 5:18 ` Luis Chamberlain
2025-04-23 7:08 ` John Garry
2025-04-23 7:36 ` Luis Chamberlain
2025-04-23 5:44 ` Christoph Hellwig
2025-04-23 7:02 ` John Garry
2025-04-15 12:14 ` [PATCH v7 12/14] xfs: add xfs_compute_atomic_write_unit_max() John Garry
2025-04-15 16:25 ` Darrick J. Wong
2025-04-15 16:35 ` John Garry
2025-04-15 16:39 ` Darrick J. Wong
2025-04-15 12:14 ` [PATCH v7 13/14] xfs: update atomic write limits John Garry
2025-04-15 16:26 ` Darrick J. Wong
2025-04-15 12:14 ` [PATCH v7 14/14] xfs: allow sysadmins to specify a maximum atomic write limit at mount time John Garry
2025-04-15 15:35 ` Randy Dunlap
2025-04-15 16:55 ` Darrick J. Wong
2025-04-15 22:36 ` [PATCH v7.1 " Darrick J. Wong
2025-04-16 10:08 ` John Garry
2025-04-16 16:26 ` Darrick J. Wong
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