+ f2fs-pass-the-inode-to-f2fs_mpage_readpages.patch added to -mm tree

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: f2fs: pass the inode to f2fs_mpage_readpages
has been added to the -mm tree.  Its filename is
     f2fs-pass-the-inode-to-f2fs_mpage_readpages.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/f2fs-pass-the-inode-to-f2fs_mpage_readpages.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/f2fs-pass-the-inode-to-f2fs_mpage_readpages.patch

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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: f2fs: pass the inode to f2fs_mpage_readpages

This function now only uses the mapping argument to look up the inode, and
both callers already have the inode, so just pass the inode instead of the
mapping.

Link: http://lkml.kernel.org/r/20200414150233.24495-24-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Acked-by: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Dave Chinner <dchinner@redhat.com>
Cc: Gao Xiang <gaoxiang25@huawei.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/f2fs/data.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

--- a/fs/f2fs/data.c~f2fs-pass-the-inode-to-f2fs_mpage_readpages
+++ a/fs/f2fs/data.c
@@ -2177,12 +2177,11 @@ out:
  * use ->readpage() or do the necessary surgery to decouple ->readpages()
  * from read-ahead.
  */
-static int f2fs_mpage_readpages(struct address_space *mapping,
+static int f2fs_mpage_readpages(struct inode *inode,
 		struct readahead_control *rac, struct page *page)
 {
 	struct bio *bio = NULL;
 	sector_t last_block_in_bio = 0;
-	struct inode *inode = mapping->host;
 	struct f2fs_map_blocks map;
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 	struct compress_ctx cc = {
@@ -2294,7 +2293,7 @@ static int f2fs_read_data_page(struct fi
 	if (f2fs_has_inline_data(inode))
 		ret = f2fs_read_inline_data(inode, page);
 	if (ret == -EAGAIN)
-		ret = f2fs_mpage_readpages(page_file_mapping(page), NULL, page);
+		ret = f2fs_mpage_readpages(inode, NULL, page);
 	return ret;
 }
 
@@ -2311,7 +2310,7 @@ static void f2fs_readahead(struct readah
 	if (f2fs_has_inline_data(inode))
 		return;
 
-	f2fs_mpage_readpages(rac->mapping, rac, NULL);
+	f2fs_mpage_readpages(inode, rac, NULL);
 }
 
 int f2fs_encrypt_one_page(struct f2fs_io_info *fio)
_

Patches currently in -mm which might be from willy@infradead.org are

mm-move-readahead-prototypes-from-mmh.patch
mm-return-void-from-various-readahead-functions.patch
mm-ignore-return-value-of-readpages.patch
mm-move-readahead-nr_pages-check-into-read_pages.patch
mm-add-new-readahead_control-api.patch
mm-use-readahead_control-to-pass-arguments.patch
mm-rename-various-offset-parameters-to-index.patch
mm-rename-readahead-loop-variable-to-i.patch
mm-remove-page_offset-from-readahead-loop.patch
mm-put-readahead-pages-in-cache-earlier.patch
mm-add-readahead-address-space-operation.patch
mm-move-end_index-check-out-of-readahead-loop.patch
mm-add-page_cache_readahead_unbounded.patch
mm-document-why-we-dont-set-pagereadahead.patch
mm-use-memalloc_nofs_save-in-readahead-path.patch
fs-convert-mpage_readpages-to-mpage_readahead.patch
btrfs-convert-from-readpages-to-readahead.patch
erofs-convert-uncompressed-files-from-readpages-to-readahead.patch
erofs-convert-compressed-files-from-readpages-to-readahead.patch
ext4-convert-from-readpages-to-readahead.patch
ext4-pass-the-inode-to-ext4_mpage_readpages.patch
f2fs-convert-from-readpages-to-readahead.patch
f2fs-pass-the-inode-to-f2fs_mpage_readpages.patch
fuse-convert-from-readpages-to-readahead.patch
iomap-convert-from-readpages-to-readahead.patch