f2fs: Use F2FS_P_SB() in f2fs_is_compressed_page()

Remove a reference to page->mapping which is going away soon.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index 668c04e93a955b3c38eabb3ac88982d41038042b..a01567bbcd3313c4b3046ea2b2c271db51ac9db2 100644 (file)
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -82,7 +82,7 @@ bool f2fs_is_compressed_page(struct page *page)
        if (page_private_nonpointer(page))
                return false;
 
-       f2fs_bug_on(F2FS_M_SB(page->mapping),
+       f2fs_bug_on(F2FS_P_SB(page),
                *((u32 *)page_private(page)) != F2FS_COMPRESSED_PAGE_MAGIC);
        return true;
 }