From: Eric Biggers <ebiggers@kernel.org>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,
linux-f2fs-devel@lists.sourceforge.net,
linux-xfs@vger.kernel.org, linux-api@vger.kernel.org,
linux-fscrypt@vger.kernel.org, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, Keith Busch <kbusch@kernel.org>
Subject: Re: [RFC PATCH v2 1/7] statx: add I/O alignment information
Date: Thu, 19 May 2022 23:30:02 -0700 [thread overview]
Message-ID: <Yoc1asB6Ud4Su3gf@sol.localdomain> (raw)
In-Reply-To: <YobNXbYnhBiqniTH@magnolia>
On Thu, May 19, 2022 at 04:06:05PM -0700, Darrick J. Wong wrote:
> I guess that means for XFS it's effectively max(pagesize, i_blocksize,
> bdev io_opt, sb_width, and (pretend XFS can reflink the realtime volume)
> the rt extent size)? I didn't see a manpage update for statx(2) but
> that's mostly what I'm interested in. :)
I'll send out a man page update with the next version. I don't think there will
be much new information that isn't already included in this patchset, though.
> Looking ahead, it looks like the ext4/f2fs implementations only seem to
> be returning max(i_blocksize, bdev io_opt)? But not the pagesize?
I think that's just an oversight. ext4 and f2fs should round the value up to
PAGE_SIZE.
- Eric
next prev parent reply other threads:[~2022-05-20 6:30 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-18 23:50 [RFC PATCH v2 0/7] make statx() return I/O alignment information Eric Biggers
2022-05-18 23:50 ` [RFC PATCH v2 1/7] statx: add " Eric Biggers
2022-05-19 7:05 ` Christoph Hellwig
2022-05-19 23:06 ` Darrick J. Wong
2022-05-20 3:27 ` Dave Chinner
2022-06-14 5:25 ` Eric Biggers
2022-06-15 13:12 ` Christoph Hellwig
2022-06-16 0:04 ` Eric Biggers
2022-06-16 6:07 ` Christoph Hellwig
2022-06-16 6:19 ` Eric Biggers
2022-06-16 6:29 ` Christoph Hellwig
2022-05-20 6:30 ` Eric Biggers [this message]
2022-05-20 11:52 ` Christian Brauner
2022-05-27 9:02 ` Florian Weimer
2022-05-27 16:22 ` Darrick J. Wong
2022-05-18 23:50 ` [RFC PATCH v2 2/7] fscrypt: change fscrypt_dio_supported() to prepare for STATX_IOALIGN Eric Biggers
2022-05-18 23:50 ` [RFC PATCH v2 3/7] ext4: support STATX_IOALIGN Eric Biggers
2022-05-18 23:50 ` [RFC PATCH v2 4/7] f2fs: move f2fs_force_buffered_io() into file.c Eric Biggers
2022-05-18 23:50 ` [RFC PATCH v2 5/7] f2fs: don't allow DIO reads but not DIO writes Eric Biggers
2022-05-18 23:50 ` [RFC PATCH v2 6/7] f2fs: simplify f2fs_force_buffered_io() Eric Biggers
2022-05-18 23:50 ` [RFC PATCH v2 7/7] f2fs: support STATX_IOALIGN Eric Biggers
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