From: Christoph Hellwig <hch@lst.de>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
Chandan Babu R <chandan.babu@oracle.com>,
Hongbo Li <lihongbo22@huawei.com>,
Ryusuke Konishi <konishi.ryusuke@gmail.com>,
linux-nilfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-xfs@vger.kernel.org, linux-man@vger.kernel.org
Subject: Re: [PATCH] statx.2: document STATX_DIO_READ_ALIGN
Date: Mon, 6 Jan 2025 19:09:58 +0100 [thread overview]
Message-ID: <20250106180958.GA31325@lst.de> (raw)
In-Reply-To: <20250106174007.GD6174@frogsfrogsfrogs>
On Mon, Jan 06, 2025 at 09:40:07AM -0800, Darrick J. Wong wrote:
> > +stx_dio_offset_align
> > +which must be provided by the file system.
>
> I can't imagine a filesystem where dio_read_offset > dio_offset makes
> sense, but why do we need to put that in the manpage?
Well, to be backwards compatible to older userspace the value put into
stx_dio_offset_align also needs to work for reads. Given that there
were questions about this in the RFC round I thought I'd mention it.
next prev parent reply other threads:[~2025-01-06 18:10 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-06 15:15 add STATX_DIO_READ_ALIGN Christoph Hellwig
2025-01-06 15:15 ` [PATCH 1/4] fs: reformat the statx definition Christoph Hellwig
2025-01-06 16:28 ` Jan Kara
2025-01-06 15:15 ` [PATCH 2/4] fs: add STATX_DIO_READ_ALIGN Christoph Hellwig
2025-01-06 16:32 ` Jan Kara
2025-01-06 16:40 ` Christoph Hellwig
2025-01-06 15:15 ` [PATCH 3/4] xfs: cleanup xfs_vn_getattr Christoph Hellwig
2025-01-06 17:07 ` John Garry
2025-01-06 15:15 ` [PATCH 4/4] xfs: report the correct read/write dio alignment for reflinked inodes Christoph Hellwig
2025-01-06 17:33 ` Darrick J. Wong
2025-01-06 18:37 ` John Garry
2025-01-07 6:10 ` Christoph Hellwig
2025-01-07 7:03 ` Darrick J. Wong
2025-01-07 9:00 ` John Garry
2025-01-06 15:19 ` [PATCH] statx.2: document STATX_DIO_READ_ALIGN Christoph Hellwig
2025-01-06 17:40 ` Darrick J. Wong
2025-01-06 18:09 ` Christoph Hellwig [this message]
2025-01-06 19:09 ` Darrick J. Wong
2025-01-06 22:01 ` Alejandro Colomar
-- strict thread matches above, loose matches on Subject: below --
2025-01-08 8:55 add STATX_DIO_READ_ALIGN v2 Christoph Hellwig
2025-01-08 8:59 ` [PATCH] statx.2: document STATX_DIO_READ_ALIGN Christoph Hellwig
2025-01-08 17:27 ` Darrick J. Wong
2025-01-09 8:31 add STATX_DIO_READ_ALIGN v3 Christoph Hellwig
2025-01-09 8:32 ` [PATCH] statx.2: document STATX_DIO_READ_ALIGN Christoph Hellwig
2025-01-09 13:21 ` Alejandro Colomar
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