[PATCH v2 6/8] dlm: use seq_open_data in table_openN functions

From: Rasmus Villemoes
Date: Sat Aug 18 2018 - 09:25:00 EST


Using the seq_open_data helper simplifies these to oneliners.

Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
---
Depends on 1/8 introducing seq_open_data.

fs/dlm/debug_fs.c | 44 ++++----------------------------------------
1 file changed, 4 insertions(+), 40 deletions(-)

diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c
index fa08448e35dd..02892bca05b4 100644
--- a/fs/dlm/debug_fs.c
+++ b/fs/dlm/debug_fs.c
@@ -608,58 +608,22 @@ static const struct file_operations format4_fops;

static int table_open1(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int ret;
-
- ret = seq_open(file, &format1_seq_ops);
- if (ret)
- return ret;
-
- seq = file->private_data;
- seq->private = inode->i_private; /* the dlm_ls */
- return 0;
+ return seq_open_data(file, &format1_seq_ops, inode->i_private);
}

static int table_open2(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int ret;
-
- ret = seq_open(file, &format2_seq_ops);
- if (ret)
- return ret;
-
- seq = file->private_data;
- seq->private = inode->i_private; /* the dlm_ls */
- return 0;
+ return seq_open_data(file, &format2_seq_ops, inode->i_private);
}

static int table_open3(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int ret;
-
- ret = seq_open(file, &format3_seq_ops);
- if (ret)
- return ret;
-
- seq = file->private_data;
- seq->private = inode->i_private; /* the dlm_ls */
- return 0;
+ return seq_open_data(file, &format3_seq_ops, inode->i_private);
}

static int table_open4(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int ret;
-
- ret = seq_open(file, &format4_seq_ops);
- if (ret)
- return ret;
-
- seq = file->private_data;
- seq->private = inode->i_private; /* the dlm_ls */
- return 0;
+ return seq_open_data(file, &format4_seq_ops, inode->i_private);
}

static const struct file_operations format1_fops = {
--
2.16.4