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From: Namjae Jeon <linkinjeon@gmail.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org,
	linux-erofs@lists.ozlabs.org, linux-ext4@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com,
	ocfs2-devel@oss.oracle.com, linux-xfs@vger.kernel.org,
	Junxiao Bi <junxiao.bi@oracle.com>,
	Joseph Qi <joseph.qi@linux.alibaba.com>,
	Dave Chinner <dchinner@redhat.com>,
	John Hubbard <jhubbard@nvidia.com>,
	Christoph Hellwig <hch@lst.de>,
	William Kucharski <william.kucharski@oracle.com>
Subject: Re: [PATCH v9 16/25] fs: Convert mpage_readpages to mpage_readahead
Date: Sat, 21 Mar 2020 08:24:18 +0900
Message-ID: <CAKYAXd-NGQvMoYg=TV1T=8OZdQcYwcncK_Hix8OkF0GqmYr9Wg@mail.gmail.com> (raw)
In-Reply-To: <20200320142231.2402-17-willy@infradead.org>

> diff --git a/drivers/staging/exfat/exfat_super.c
> b/drivers/staging/exfat/exfat_super.c
> index b81d2a87b82e..96aad9b16d31 100644
> --- a/drivers/staging/exfat/exfat_super.c
> +++ b/drivers/staging/exfat/exfat_super.c
Maybe, You should change fs/exfat instead of staging/exfat that is
gone from -next ?

> @@ -3002,10 +3002,9 @@ static int exfat_readpage(struct file *file, struct
> page *page)
>  	return  mpage_readpage(page, exfat_get_block);
>  }
>
> -static int exfat_readpages(struct file *file, struct address_space
> *mapping,
> -			   struct list_head *pages, unsigned int nr_pages)
> +static void exfat_readahead(struct readahead_control *rac)
>  {
> -	return  mpage_readpages(mapping, pages, nr_pages, exfat_get_block);
> +	mpage_readahead(rac, exfat_get_block);
>  }
>
>  static int exfat_writepage(struct page *page, struct writeback_control
> *wbc)
> @@ -3104,7 +3103,7 @@ static sector_t _exfat_bmap(struct address_space
> *mapping, sector_t block)
>
>  static const struct address_space_operations exfat_aops = {
>  	.readpage    = exfat_readpage,
> -	.readpages   = exfat_readpages,
> +	.readahead   = exfat_readahead,
>  	.writepage   = exfat_writepage,
>  	.writepages  = exfat_writepages,
>  	.write_begin = exfat_write_begin,

  reply index

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-20 14:22 [PATCH v9 00/25] Change readahead API Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 01/25] mm: Move readahead prototypes from mm.h Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 02/25] mm: Return void from various readahead functions Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 03/25] mm: Ignore return value of ->readpages Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 04/25] mm: Move readahead nr_pages check into read_pages Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 05/25] mm: Add new readahead_control API Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 06/25] mm: Use readahead_control to pass arguments Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 07/25] mm: Rename various 'offset' parameters to 'index' Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 08/25] mm: rename readahead loop variable to 'i' Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 09/25] mm: Remove 'page_offset' from readahead loop Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 10/25] mm: Put readahead pages in cache earlier Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 11/25] mm: Add readahead address space operation Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 12/25] mm: Move end_index check out of readahead loop Matthew Wilcox
2020-03-20 16:58   ` Eric Biggers
2020-03-20 17:30     ` Matthew Wilcox
2020-03-20 18:00       ` Eric Biggers
2020-03-20 18:11         ` Matthew Wilcox
2020-03-20 18:24           ` Eric Biggers
2020-03-22 16:28             ` Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 13/25] mm: Add page_cache_readahead_unbounded Matthew Wilcox
2020-03-20 17:27   ` Eric Biggers
2020-03-20 14:22 ` [PATCH v9 14/25] mm: Document why we don't set PageReadahead Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 15/25] mm: Use memalloc_nofs_save in readahead path Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 16/25] fs: Convert mpage_readpages to mpage_readahead Matthew Wilcox
2020-03-20 23:24   ` Namjae Jeon [this message]
2020-03-20 14:22 ` [PATCH v9 17/25] btrfs: Convert from readpages to readahead Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 18/25] erofs: Convert uncompressed files " Matthew Wilcox
2020-03-21 12:38   ` [f2fs-dev] " Chao Yu
2020-03-20 14:22 ` [PATCH v9 19/25] erofs: Convert compressed " Matthew Wilcox
2020-03-21 12:41   ` [f2fs-dev] " Chao Yu
2020-03-20 14:22 ` [PATCH v9 20/25] ext4: Convert " Matthew Wilcox
2020-03-20 17:37   ` Eric Biggers
2020-03-20 17:48     ` Matthew Wilcox
2020-03-20 18:40       ` Eric Biggers
2020-03-20 14:22 ` [PATCH v9 21/25] ext4: Pass the inode to ext4_mpage_readpages Matthew Wilcox
2020-03-20 18:44   ` Eric Biggers
2020-03-20 14:22 ` [PATCH v9 22/25] f2fs: Convert from readpages to readahead Matthew Wilcox
2020-03-20 18:51   ` Eric Biggers
2020-03-21 12:34   ` [f2fs-dev] " Chao Yu
2020-03-23  3:55   ` Jaegeuk Kim
2020-03-20 14:22 ` [PATCH v9 23/25] f2fs: Pass the inode to f2fs_mpage_readpages Matthew Wilcox
2020-03-20 18:52   ` Eric Biggers
2020-03-21 12:35   ` [f2fs-dev] " Chao Yu
2020-03-23  3:53   ` Jaegeuk Kim
2020-03-20 14:22 ` [PATCH v9 24/25] fuse: Convert from readpages to readahead Matthew Wilcox
2020-03-20 14:22 ` [PATCH v9 25/25] iomap: " Matthew Wilcox

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