From: "Darrick J. Wong" <djwong@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Chandan Babu R <chandan.babu@oracle.com>,
Christian Brauner <brauner@kernel.org>,
linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 06/12] xfs: factor out a xfs_file_write_zero_eof helper
Date: Wed, 18 Sep 2024 08:30:37 -0700 [thread overview]
Message-ID: <20240918153037.GF182177@frogsfrogsfrogs> (raw)
In-Reply-To: <20240918050936.GA31238@lst.de>
On Wed, Sep 18, 2024 at 07:09:36AM +0200, Christoph Hellwig wrote:
> On Tue, Sep 17, 2024 at 02:14:19PM -0700, Darrick J. Wong wrote:
> > I gotta say, I'm not a big fan of the "return 1 to loop again" behavior.
> > Can you add a comment at the top stating that this is a possible return
> > value and why it gets returned?
>
> Sure. If you have a better idea I'm all ears, too.
Sadly, I don't. The closest I can think of is that iterator functions
return 1 for "here's an object", 0 for "no more objects", or negative
errno. But this isn't iterating objects, it's (at best) "iterating" the
"not yet ready to do zeroing" states, and that's a stretch.
--D
next prev parent reply other threads:[~2024-09-18 15:30 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-10 4:39 fix stale delalloc punching for COW I/O v2 Christoph Hellwig
2024-09-10 4:39 ` [PATCH 01/12] iomap: handle a post-direct I/O invalidate race in iomap_write_delalloc_release Christoph Hellwig
2024-09-10 4:39 ` [PATCH 02/12] iomap: improve shared block detection in iomap_unshare_iter Christoph Hellwig
2024-09-10 4:39 ` [PATCH 03/12] iomap: pass flags to iomap_file_buffered_write_punch_delalloc Christoph Hellwig
2024-09-10 4:39 ` [PATCH 04/12] iomap: pass the iomap to the punch callback Christoph Hellwig
2024-09-10 4:39 ` [PATCH 05/12] iomap: remove the iomap_file_buffered_write_punch_delalloc return value Christoph Hellwig
2024-09-10 4:39 ` [PATCH 06/12] xfs: factor out a xfs_file_write_zero_eof helper Christoph Hellwig
2024-09-17 21:14 ` Darrick J. Wong
2024-09-18 5:09 ` Christoph Hellwig
2024-09-18 15:30 ` Darrick J. Wong [this message]
2024-09-20 0:25 ` Dave Chinner
2024-09-20 11:31 ` Christoph Hellwig
2024-09-10 4:39 ` [PATCH 07/12] xfs: take XFS_MMAPLOCK_EXCL xfs_file_write_zero_eof Christoph Hellwig
2024-09-17 21:24 ` Darrick J. Wong
2024-09-18 5:10 ` Christoph Hellwig
2024-09-10 4:39 ` [PATCH 08/12] iomap: zeroing already holds invalidate_lock Christoph Hellwig
2024-09-17 21:29 ` Darrick J. Wong
2024-09-18 5:15 ` Christoph Hellwig
2024-09-18 15:32 ` Darrick J. Wong
2024-09-20 0:42 ` Dave Chinner
2024-09-10 4:39 ` [PATCH 09/12] xfs: support the COW fork in xfs_bmap_punch_delalloc_range Christoph Hellwig
2024-09-10 4:39 ` [PATCH 10/12] xfs: share more code in xfs_buffered_write_iomap_begin Christoph Hellwig
2024-09-10 4:39 ` [PATCH 11/12] xfs: set IOMAP_F_SHARED for all COW fork allocations Christoph Hellwig
2024-09-10 4:39 ` [PATCH 12/12] xfs: punch delalloc extents from the COW fork for COW writes Christoph Hellwig
2024-09-10 9:21 ` fix stale delalloc punching for COW I/O v2 Christian Brauner
2024-09-10 15:17 ` Christoph Hellwig
2024-09-10 9:22 ` (subset) " Christian Brauner
2024-09-10 15:17 ` Christoph Hellwig
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