From: Christoph Hellwig <hch@infradead.org>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Christoph Hellwig <hch@infradead.org>,
linux-xfs@vger.kernel.org, hch@lst.de
Subject: Re: [PATCH 05/14] xfs: create deferred log items for file mapping exchanges
Date: Wed, 28 Feb 2024 14:08:51 -0800 [thread overview]
Message-ID: <Zd-u89-cPQAxsCIG@infradead.org> (raw)
In-Reply-To: <20240228195532.GR1927156@frogsfrogsfrogs>
On Wed, Feb 28, 2024 at 11:55:32AM -0800, Darrick J. Wong wrote:
> static inline bool
> xmi_can_merge_all(
> const struct xfs_bmbt_irec *l,
> const struct xfs_bmbt_irec *m,
> const struct xfs_bmbt_irec *r)
> {
> xfs_filblks_t new_len;
>
> new_len = l->br_blockcount + m->br_blockcount + r->br_blockcount;
> return new_len <= XFS_MAX_BMBT_EXTLEN;
> }
Dumb question: can the addition overflow?
next prev parent reply other threads:[~2024-02-28 22:08 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-27 2:18 [PATCHSET v29.4 03/13] xfs: atomic file content exchanges Darrick J. Wong
2024-02-27 2:21 ` [PATCH 01/14] vfs: export remap and write check helpers Darrick J. Wong
2024-02-28 15:40 ` Christoph Hellwig
2024-02-27 2:21 ` [PATCH 02/14] xfs: introduce new file range exchange ioctls Darrick J. Wong
2024-02-28 15:44 ` Christoph Hellwig
2024-02-28 19:35 ` Darrick J. Wong
2024-02-28 19:37 ` Christoph Hellwig
2024-02-28 23:00 ` Darrick J. Wong
2024-02-29 13:22 ` Christoph Hellwig
2024-02-29 17:10 ` Darrick J. Wong
2024-02-29 19:42 ` Christoph Hellwig
2024-02-27 2:21 ` [PATCH 03/14] xfs: create a log incompat flag for atomic file mapping exchanges Darrick J. Wong
2024-02-28 15:44 ` Christoph Hellwig
2024-02-27 2:21 ` [PATCH 04/14] xfs: introduce a file mapping exchange log intent item Darrick J. Wong
2024-02-28 15:45 ` Christoph Hellwig
2024-02-27 2:22 ` [PATCH 05/14] xfs: create deferred log items for file mapping exchanges Darrick J. Wong
2024-02-28 15:49 ` Christoph Hellwig
2024-02-28 19:55 ` Darrick J. Wong
2024-02-28 22:08 ` Christoph Hellwig [this message]
2024-02-28 22:56 ` Darrick J. Wong
2024-02-27 2:22 ` [PATCH 06/14] xfs: bind together the front and back ends of the file range exchange code Darrick J. Wong
2024-02-28 15:49 ` Christoph Hellwig
2024-02-27 2:22 ` [PATCH 07/14] xfs: add error injection to test file mapping exchange recovery Darrick J. Wong
2024-02-28 15:50 ` Christoph Hellwig
2024-02-27 2:22 ` [PATCH 08/14] xfs: condense extended attributes after a mapping exchange operation Darrick J. Wong
2024-02-28 15:50 ` Christoph Hellwig
2024-02-27 2:23 ` [PATCH 09/14] xfs: condense directories " Darrick J. Wong
2024-02-28 15:51 ` Christoph Hellwig
2024-02-27 2:23 ` [PATCH 10/14] xfs: condense symbolic links " Darrick J. Wong
2024-02-28 15:51 ` Christoph Hellwig
2024-02-27 2:23 ` [PATCH 11/14] xfs: make file range exchange support realtime files Darrick J. Wong
2024-02-28 15:51 ` Christoph Hellwig
2024-02-27 2:23 ` [PATCH 12/14] xfs: support non-power-of-two rtextsize with exchange-range Darrick J. Wong
2024-02-28 15:51 ` Christoph Hellwig
2024-02-27 2:24 ` [PATCH 13/14] docs: update swapext -> exchmaps language Darrick J. Wong
2024-02-28 15:52 ` Christoph Hellwig
2024-02-27 2:24 ` [PATCH 14/14] xfs: enable logged file mapping exchange feature Darrick J. Wong
2024-02-28 15:52 ` Christoph Hellwig
2024-02-27 9:23 ` [PATCHSET v29.4 03/13] xfs: atomic file content exchanges Amir Goldstein
2024-02-27 10:53 ` Jeff Layton
2024-02-27 16:06 ` Darrick J. Wong
2024-03-01 13:16 ` Jeff Layton
2024-02-27 23:46 ` Dave Chinner
2024-02-28 10:30 ` Jeff Layton
2024-02-28 10:58 ` Amir Goldstein
2024-02-28 11:01 ` Jeff Layton
2024-02-27 15:45 ` Darrick J. Wong
2024-02-27 16:58 ` Amir Goldstein
2024-02-27 17:46 ` [PATCH 14/13] xfs: make XFS_IOC_COMMIT_RANGE freshness data opaque Darrick J. Wong
2024-02-27 18:52 ` Amir Goldstein
2024-02-29 23:27 ` Darrick J. Wong
2024-03-01 13:00 ` Amir Goldstein
2024-03-01 13:31 ` Jeff Layton
2024-03-02 2:48 ` Darrick J. Wong
2024-03-02 12:43 ` Jeff Layton
2024-03-07 23:25 ` Darrick J. Wong
2024-02-28 1:50 ` [PATCHSET v29.4 03/13] xfs: atomic file content exchanges Colin Walters
2024-02-29 20:18 ` Darrick J. Wong
2024-02-29 22:43 ` Colin Walters
2024-03-01 0:03 ` Darrick J. Wong
2024-03-30 0:57 [PATCHSET v30.1] " Darrick J. Wong
2024-03-30 0:58 ` [PATCH 05/14] xfs: create deferred log items for file mapping exchanges Darrick J. Wong
2024-04-09 3:34 [PATCHSET v30.2] xfs: atomic file content exchanges Darrick J. Wong
2024-04-09 3:35 ` [PATCH 05/14] xfs: create deferred log items for file mapping exchanges Darrick J. Wong
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