From: Christoph Hellwig <hch@infradead.org>
To: Jane Chu <jane.chu@oracle.com>
Cc: david@fromorbit.com, djwong@kernel.org, dan.j.williams@intel.com,
hch@infradead.org, vishal.l.verma@intel.com,
dave.jiang@intel.com, agk@redhat.com, snitzer@redhat.com,
dm-devel@redhat.com, ira.weiny@intel.com, willy@infradead.org,
vgoyal@redhat.com, linux-fsdevel@vger.kernel.org,
nvdimm@lists.linux.dev, linux-kernel@vger.kernel.org,
linux-xfs@vger.kernel.org
Subject: Re: [PATCH 2/6] dax: prepare dax_direct_access() API with DAXDEV_F_RECOVERY flag
Date: Thu, 21 Oct 2021 04:20:11 -0700 [thread overview]
Message-ID: <YXFM64mFLN8dagrY@infradead.org> (raw)
In-Reply-To: <20211021001059.438843-3-jane.chu@oracle.com>
On Wed, Oct 20, 2021 at 06:10:55PM -0600, Jane Chu wrote:
> @@ -156,8 +156,8 @@ bool generic_fsdax_supported(struct dax_device *dax_dev,
> }
>
> id = dax_read_lock();
> - len = dax_direct_access(dax_dev, pgoff, 1, &kaddr, &pfn);
> - len2 = dax_direct_access(dax_dev, pgoff_end, 1, &end_kaddr, &end_pfn);
> + len = dax_direct_access(dax_dev, pgoff, 1, &kaddr, &pfn, 0);
> + len2 = dax_direct_access(dax_dev, pgoff_end, 1, &end_kaddr, &end_pfn, 0);
FYI, I have a series killing this code. But either way please avoid
these overly long lines.
> long dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages,
> - void **kaddr, pfn_t *pfn)
> + void **kaddr, pfn_t *pfn, unsigned long flags)
API design: I'd usually expect flags before output paramters.
next prev parent reply other threads:[~2021-10-21 11:20 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-21 0:10 [PATCH 0/6] dax poison recovery with RWF_RECOVERY_DATA flag Jane Chu
2021-10-21 0:10 ` [PATCH 1/6] dax: introduce RWF_RECOVERY_DATA flag to preadv2() and pwritev2() Jane Chu
2021-10-21 0:10 ` [PATCH 2/6] dax: prepare dax_direct_access() API with DAXDEV_F_RECOVERY flag Jane Chu
2021-10-21 11:20 ` Christoph Hellwig [this message]
2021-10-21 18:19 ` Jane Chu
2021-10-21 0:10 ` [PATCH 3/6] pmem: pmem_dax_direct_access() to honor the " Jane Chu
2021-10-21 11:23 ` Christoph Hellwig
2021-10-21 18:24 ` Jane Chu
2021-10-21 0:10 ` [PATCH 4/6] dm,dax,pmem: prepare dax_copy_to/from_iter() APIs with DAXDEV_F_RECOVERY Jane Chu
2021-10-21 11:27 ` Christoph Hellwig
2021-10-22 0:49 ` Jane Chu
2021-10-22 1:41 ` correction: " Jane Chu
2021-10-22 5:33 ` Christoph Hellwig
2021-10-22 20:30 ` Jane Chu
2021-10-21 0:10 ` [PATCH 5/6] dax,pmem: Add data recovery feature to pmem_copy_to/from_iter() Jane Chu
2021-10-21 11:28 ` Christoph Hellwig
2021-10-22 0:58 ` Jane Chu
2021-10-21 0:10 ` [PATCH 6/6] dm: Ensure dm honors DAXDEV_F_RECOVERY flag on dax only Jane Chu
2021-10-21 11:31 ` [dm-devel] [PATCH 0/6] dax poison recovery with RWF_RECOVERY_DATA flag Christoph Hellwig
2021-10-22 1:37 ` Jane Chu
2021-10-22 1:58 ` Darrick J. Wong
2021-10-22 5:38 ` Christoph Hellwig
2021-10-22 5:36 ` Christoph Hellwig
2021-10-22 20:52 ` Jane Chu
2021-10-27 6:49 ` Christoph Hellwig
2021-10-28 0:24 ` Darrick J. Wong
2021-10-28 22:59 ` Dave Chinner
2021-10-29 11:46 ` Pavel Begunkov
2021-10-29 16:57 ` Darrick J. Wong
2021-10-29 19:23 ` Pavel Begunkov
2021-10-29 20:08 ` Darrick J. Wong
2021-10-31 13:27 ` Pavel Begunkov
2021-10-29 18:53 ` Jane Chu
2021-10-29 22:32 ` Dave Chinner
2021-10-31 13:19 ` Pavel Begunkov
2021-11-01 2:31 ` Matthew Wilcox
2021-11-02 6:18 ` Christoph Hellwig
2021-11-02 19:57 ` Dan Williams
2021-11-03 16:58 ` Christoph Hellwig
2021-11-03 20:33 ` Dan Williams
2021-11-04 8:30 ` Christoph Hellwig
2021-11-04 12:29 ` Matthew Wilcox
2021-11-04 16:24 ` Dan Williams
2021-11-04 17:43 ` Christoph Hellwig
2021-11-04 17:50 ` Dan Williams
2021-11-04 18:05 ` Matthew Wilcox
2021-11-04 18:33 ` Jane Chu
2021-11-04 19:00 ` Dan Williams
2021-11-04 20:27 ` Jane Chu
2021-11-05 0:46 ` Dan Williams
2021-11-05 1:35 ` Dan Williams
2021-11-05 5:56 ` Christoph Hellwig
2021-11-03 18:09 ` Jane Chu
2021-11-04 6:21 ` Dan Williams
2021-11-04 8:36 ` Christoph Hellwig
2021-11-04 16:08 ` Dan Williams
2021-11-04 17:46 ` Christoph Hellwig
2021-11-04 8:21 ` Christoph Hellwig
2021-11-02 16:12 ` Dan Williams
2021-11-02 16:03 ` Dan Williams
2021-11-03 16:53 ` Christoph Hellwig
2021-11-06 7:41 ` Lukas Straub
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