f2fs: Change to use DEFINE_SHOW_ATTRIBUTE macro

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index e327eef..0ba6623 100644 (file)
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -444,18 +444,7 @@ static int stat_show(struct seq_file *s, void *v)
        return 0;
 }
 
-static int stat_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, stat_show, inode->i_private);
-}
-
-static const struct file_operations stat_fops = {
-       .owner = THIS_MODULE,
-       .open = stat_open,
-       .read = seq_read,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(stat);
 
 int f2fs_build_stats(struct f2fs_sb_info *sbi)
 {