diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 9182b2710db7fe464a4b2707b7feb89b5c0d0629..6594ce15a7bba5d2b997032c2dc311a5ef0ff032 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -887,6 +887,11 @@ static inline int cond_clear_inode_flag(struct f2fs_inode_info *fi, int flag)
 	return 0;
 }
 
+static inline int f2fs_readonly(struct super_block *sb)
+{
+	return sb->s_flags & MS_RDONLY;
+}
+
 /*
  * file.c
  */
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 9937ba1a4d240542c085ea0dc46c6ccd31578743..316bcfe80448153fde7ad6e66ba179ebfc94cba5 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -114,7 +114,7 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 		.for_reclaim = 0,
 	};
 
-	if (inode->i_sb->s_flags & MS_RDONLY)
+	if (f2fs_readonly(inode->i_sb))
 		return 0;
 
 	trace_f2fs_sync_file_enter(inode);
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 8555f7df82c796720c2c85ce0bd0af6248efa1c2..3ac305da7cee0f7d22667a4675295171c0a78b96 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -170,7 +170,7 @@ static int f2fs_freeze(struct super_block *sb)
 {
 	int err;
 
-	if (sb->s_flags & MS_RDONLY)
+	if (f2fs_readonly(sb))
 		return 0;
 
 	err = f2fs_sync_fs(sb, 1);