f2fs: introduce macros for proc entries

This adds macros to be used multiple proc entries.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 19a85cf83f40a5da834fb855d40ec17f1bddfed0..b006de60e99b21f4a899508a81fb2f0369809fcc 100644 (file)
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -745,19 +745,22 @@ static int segment_info_seq_show(struct seq_file *seq, void *offset)
        return 0;
 }
 
-static int segment_info_open_fs(struct inode *inode, struct file *file)
-{
-       return single_open(file, segment_info_seq_show, PDE_DATA(inode));
-}
-
-static const struct file_operations f2fs_seq_segment_info_fops = {
-       .owner = THIS_MODULE,
-       .open = segment_info_open_fs,
-       .read = seq_read,
-       .llseek = seq_lseek,
-       .release = single_release,
+#define F2FS_PROC_FILE_DEF(_name)                                      \
+static int _name##_open_fs(struct inode *inode, struct file *file)     \
+{                                                                      \
+       return single_open(file, _name##_seq_show, PDE_DATA(inode));    \
+}                                                                      \
+                                                                       \
+static const struct file_operations f2fs_seq_##_name##_fops = {                \
+       .owner = THIS_MODULE,                                           \
+       .open = _name##_open_fs,                                        \
+       .read = seq_read,                                               \
+       .llseek = seq_lseek,                                            \
+       .release = single_release,                                      \
 };
 
+F2FS_PROC_FILE_DEF(segment_info);
+
 static void default_options(struct f2fs_sb_info *sbi)
 {
        /* init some FS parameters */