[PATCH v10 23/25] f2fs: Pass the inode to f2fs_mpage_readpages

Matthew Wilcox
2020-03-23T20:25:27Z

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

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 2109ce23076d..4cd76973e6c8 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2148,12 +2148,11 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
* 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 = {
@@ -2265,7 +2264,7 @@ static int f2fs_read_data_page(struct file *file, struct page *page)
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;
}

@@ -2282,7 +2281,7 @@ static void f2fs_readahead(struct readahead_control *rac)
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)
--
2.25.1