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From: Christoph Hellwig <hch@infradead.org>
To: Jane Chu <jane.chu@oracle.com>
Cc: dan.j.williams@intel.com, vishal.l.verma@intel.com,
	dave.jiang@intel.com, ira.weiny@intel.com,
	viro@zeniv.linux.org.uk, willy@infradead.org, jack@suse.cz,
	nvdimm@lists.linux.dev, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 3/3] libnvdimm/pmem: Provide pmem_dax_clear_poison for dax operation
Date: Thu, 4 Nov 2021 10:55:15 -0700	[thread overview]
Message-ID: <YYQegz3nPmbavQtK@infradead.org> (raw)
In-Reply-To: <20210914233132.3680546-5-jane.chu@oracle.com>

On Tue, Sep 14, 2021 at 05:31:32PM -0600, Jane Chu wrote:
> +static int pmem_dax_clear_poison(struct dax_device *dax_dev, pgoff_t pgoff,
> +					size_t nr_pages)
> +{
> +	unsigned int len = PFN_PHYS(nr_pages);
> +	sector_t sector = PFN_PHYS(pgoff) >> SECTOR_SHIFT;
> +	struct pmem_device *pmem = dax_get_private(dax_dev);
> +	phys_addr_t pmem_off = sector * 512 + pmem->data_offset;
> +	blk_status_t ret;
> +
> +	if (!is_bad_pmem(&pmem->bb, sector, len))
> +		return 0;
> +
> +	ret = pmem_clear_poison(pmem, pmem_off, len);
> +	return (ret == BLK_STS_OK) ? 0 : -EIO;

No need for the braces here (and I'd prefer a good old if anyway).

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>

  reply	other threads:[~2021-11-04 17:55 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-14 23:31 [PATCH 0/3] dax: clear poison on the fly along pwrite Jane Chu
2021-09-14 23:31 ` [PATCH 1/3] dax: introduce dax_operation dax_clear_poison Jane Chu
2021-11-04 17:53   ` Christoph Hellwig
2021-09-14 23:31 ` [PATCH 2/3] dax: introduce dax_clear_poison to dax pwrite operation Jane Chu
2021-11-04 17:53   ` Christoph Hellwig
2021-09-14 23:31 ` [PATCH 2/3] dax: introduce dax clear poison to page aligned " Jane Chu
2021-09-14 23:31 ` [PATCH 3/3] libnvdimm/pmem: Provide pmem_dax_clear_poison for dax operation Jane Chu
2021-11-04 17:55   ` Christoph Hellwig [this message]
2021-11-04 20:27     ` Jane Chu
2021-09-15  4:44 ` [PATCH 0/3] dax: clear poison on the fly along pwrite Dan Williams
2021-09-15  7:22   ` Jane Chu
2021-09-15 16:15     ` Darrick J. Wong
2021-09-15 20:27       ` Dan Williams
2021-09-16  0:05         ` Darrick J. Wong
2021-09-16  7:11         ` Christoph Hellwig
2021-09-16 18:40           ` Dan Williams
2021-09-17 12:53             ` Christoph Hellwig
2021-09-17 15:27               ` Darrick J. Wong
2021-09-17 20:21                 ` Dan Williams
2021-09-18  0:07                   ` Darrick J. Wong
2021-09-17 19:37               ` Dan Williams
2021-09-23 20:48         ` Jane Chu
2021-09-23 20:55       ` Jane Chu
2021-09-23 21:42         ` Dan Williams

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