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From: Jan Kara <jack@suse.cz>
To: Dan Williams <dan.j.williams@intel.com>
Cc: Jan Kara <jack@suse.cz>, Matthew Wilcox <mawilcox@microsoft.com>,
	linux-nvdimm@lists.01.org, Dave Chinner <david@fromorbit.com>,
	linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v7 03/14] block, dax: remove dead code in blkdev_writepages()
Date: Thu, 29 Mar 2018 17:29:19 +0200	[thread overview]
Message-ID: <20180329152919.6y2jwenxa24ouw2q@quack2.suse.cz> (raw)
In-Reply-To: <152167304720.5268.4517441516790980453.stgit@dwillia2-desk3.amr.corp.intel.com>

On Wed 21-03-18 15:57:27, Dan Williams wrote:
> Block device inodes never have S_DAX set, so kill the check for DAX and
> diversion to dax_writeback_mapping_range().
> 
> Cc: Jeff Moyer <jmoyer@redhat.com>
> Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
> Cc: Matthew Wilcox <mawilcox@microsoft.com>
> Cc: Jan Kara <jack@suse.cz>
> Cc: Dave Chinner <david@fromorbit.com>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>

Looks good. You can add:

Reviewed-by: Jan Kara <jack@suse.cz>

								Honza

> ---
>  fs/block_dev.c |    5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/fs/block_dev.c b/fs/block_dev.c
> index fe09ef9c21f3..846ee2d31781 100644
> --- a/fs/block_dev.c
> +++ b/fs/block_dev.c
> @@ -1946,11 +1946,6 @@ static int blkdev_releasepage(struct page *page, gfp_t wait)
>  static int blkdev_writepages(struct address_space *mapping,
>  			     struct writeback_control *wbc)
>  {
> -	if (dax_mapping(mapping)) {
> -		struct block_device *bdev = I_BDEV(mapping->host);
> -
> -		return dax_writeback_mapping_range(mapping, bdev, wbc);
> -	}
>  	return generic_writepages(mapping, wbc);
>  }
>  
> 
-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR
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  reply	other threads:[~2018-03-29 15:22 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-21 22:57 [PATCH v7 00/14] dax: fix dma vs truncate/hole-punch Dan Williams
2018-03-21 22:57 ` [PATCH v7 01/14] dax: store pfns in the radix Dan Williams
2018-03-21 22:57 ` [PATCH v7 02/14] fs, dax: prepare for dax-specific address_space_operations Dan Williams
2018-03-29 15:28   ` Jan Kara
2018-03-21 22:57 ` [PATCH v7 03/14] block, dax: remove dead code in blkdev_writepages() Dan Williams
2018-03-29 15:29   ` Jan Kara [this message]
2018-03-21 22:57 ` [PATCH v7 04/14] xfs, dax: introduce xfs_dax_aops Dan Williams
2018-03-29 15:30   ` Jan Kara
2018-03-21 22:57 ` [PATCH v7 05/14] ext4, dax: introduce ext4_dax_aops Dan Williams
2018-03-29 15:40   ` Jan Kara
2018-03-29 18:09     ` Christoph Hellwig
2018-03-29 22:47       ` Dan Williams
2018-03-21 22:57 ` [PATCH v7 06/14] ext2, dax: introduce ext2_dax_aops Dan Williams
2018-03-29 15:44   ` Jan Kara
2018-03-21 22:57 ` [PATCH v7 07/14] fs, dax: use page->mapping to warn if truncate collides with a busy page Dan Williams
2018-03-29 16:02   ` Jan Kara
2018-03-29 19:02     ` Dan Williams
2018-03-29 23:02     ` Dan Williams
2018-03-30  8:22       ` Jan Kara
2018-03-21 22:57 ` [PATCH v7 08/14] mm, dax: enable filesystems to trigger dev_pagemap ->page_free callbacks Dan Williams
2018-03-29 16:36   ` Jan Kara
2018-03-21 22:57 ` [PATCH v7 09/14] mm, dev_pagemap: introduce CONFIG_DEV_PAGEMAP_OPS Dan Williams
2018-03-22  7:49   ` Christoph Hellwig
2018-03-30 10:37   ` Jan Kara
2018-03-21 22:58 ` [PATCH v7 10/14] memremap: mark devm_memremap_pages() EXPORT_SYMBOL_GPL Dan Williams
2018-03-22  7:51   ` Christoph Hellwig
2018-03-21 22:58 ` [PATCH v7 11/14] mm, fs, dax: handle layout changes to pinned dax mappings Dan Williams
2018-03-21 22:58 ` [PATCH v7 12/14] xfs: prepare xfs_break_layouts() to be called with XFS_MMAPLOCK_EXCL Dan Williams
2018-03-22  7:25   ` Christoph Hellwig
2018-03-30 15:16   ` Darrick J. Wong
2018-03-21 22:58 ` [PATCH v7 13/14] xfs: prepare xfs_break_layouts() for another layout type Dan Williams
2018-03-22  7:27   ` Christoph Hellwig
2018-03-22 15:50     ` Dan Williams
2018-03-21 22:58 ` [PATCH v7 14/14] xfs, dax: introduce xfs_break_dax_layouts() Dan Williams
2018-03-22  7:43   ` Christoph Hellwig
2018-03-22 16:28     ` Dan Williams
2018-03-22 17:02       ` Christoph Hellwig

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