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authorMatthew Wilcox (Oracle) <willy@infradead.org>2020-06-01 21:47:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-02 10:59:07 -0700
commita07f624bd69a2c1c455364ffdc751a534554b241 (patch)
tree533e15d3c796f08e2889172dd725463516d35be8 /fs
parent6311f91f76470b50c3f651475c344181adbeb869 (diff)
ext4: pass the inode to ext4_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. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: William Kucharski <william.kucharski@oracle.com> Reviewed-by: Eric Biggers <ebiggers@google.com> Cc: Chao Yu <yuchao0@huawei.com> 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: Jaegeuk Kim <jaegeuk@kernel.org> 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> Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com> Cc: Miklos Szeredi <mszeredi@redhat.com> Link: http://lkml.kernel.org/r/20200414150233.24495-22-willy@infradead.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/ext4.h2
-rw-r--r--fs/ext4/inode.c4
-rw-r--r--fs/ext4/readpage.c3
3 files changed, 4 insertions, 5 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index b76e8371a60f..15b062efcff1 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -3317,7 +3317,7 @@ static inline void ext4_set_de_type(struct super_block *sb,
}
/* readpages.c */
-extern int ext4_mpage_readpages(struct address_space *mapping,
+extern int ext4_mpage_readpages(struct inode *inode,
struct readahead_control *rac, struct page *page);
extern int __init ext4_init_post_read_processing(void);
extern void ext4_exit_post_read_processing(void);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index cb58ec78c028..52be85f96159 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3224,7 +3224,7 @@ static int ext4_readpage(struct file *file, struct page *page)
ret = ext4_readpage_inline(inode, page);
if (ret == -EAGAIN)
- return ext4_mpage_readpages(page->mapping, NULL, page);
+ return ext4_mpage_readpages(inode, NULL, page);
return ret;
}
@@ -3237,7 +3237,7 @@ static void ext4_readahead(struct readahead_control *rac)
if (ext4_has_inline_data(inode))
return;
- ext4_mpage_readpages(rac->mapping, rac, NULL);
+ ext4_mpage_readpages(inode, rac, NULL);
}
static void ext4_invalidatepage(struct page *page, unsigned int offset,
diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c
index 66275f25235d..5761e9961682 100644
--- a/fs/ext4/readpage.c
+++ b/fs/ext4/readpage.c
@@ -221,13 +221,12 @@ static inline loff_t ext4_readpage_limit(struct inode *inode)
return i_size_read(inode);
}
-int ext4_mpage_readpages(struct address_space *mapping,
+int ext4_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;
const unsigned blkbits = inode->i_blkbits;
const unsigned blocks_per_page = PAGE_SIZE >> blkbits;
const unsigned blocksize = 1 << blkbits;