f2fs: use COMPRESS_MAPPING to get compress cache mapping

Zhang Qilong · Jaegeuk Kim · commit 173cdf2c32b4 · 2022-10-04T13:31:42.000-07:00
Just use the defined COMPRESS_MAPPING to get compress cache
mapping instaed of direct accessing name.

Signed-off-by: Zhang Qilong &lt;zhangqilong3@huawei.com&gt;
Reviewed-by: Chao Yu &lt;chao@kernel.org&gt;
Signed-off-by: Jaegeuk Kim &lt;jaegeuk@kernel.org&gt;
diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
@@ -1901,7 +1901,7 @@ bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
 
 void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino)
 {
-	struct address_space *mapping = sbi->compress_inode->i_mapping;
+	struct address_space *mapping = COMPRESS_MAPPING(sbi);
 	struct folio_batch fbatch;
 	pgoff_t index = 0;
 	pgoff_t end = MAX_BLKADDR(sbi);

Original file line number	Diff line number	Diff line change
`@@ -1901,7 +1901,7 @@ bool f2fs_load_compressed_page(struct f2fs_sb_info sbi, struct page page,`
`1901`	`1901`
`1902`	`1902`	`void f2fs_invalidate_compress_pages(struct f2fs_sb_info *sbi, nid_t ino)`
`1903`	`1903`	`{`
`1904`		`- struct address_space *mapping = sbi->compress_inode->i_mapping;`
	`1904`	`+ struct address_space *mapping = COMPRESS_MAPPING(sbi);`
`1905`	`1905`	`struct folio_batch fbatch;`
`1906`	`1906`	`pgoff_t index = 0;`
`1907`	`1907`	`pgoff_t end = MAX_BLKADDR(sbi);`