[PATCH 01/11] f2fs: introduce macros for proc entries

From: Jaegeuk Kim
Date: Tue May 03 2016 - 14:21:57 EST


This adds macros to be used multiple proc entries.

Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/super.c | 25 ++++++++++++++-----------
1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 19a85cf..b006de6 100644
--- 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 */
--
2.6.3