proc: introduce proc_create_single{,_data}
Variants of proc_create{,_data} that directly take a seq_file show
callback and drastically reduces the boilerplate code in the callers.
All trivial callers converted over.
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 106dae7e..54eca68 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -2092,23 +2092,11 @@ static int psched_show(struct seq_file *seq, void *v)
return 0;
}
-static int psched_open(struct inode *inode, struct file *file)
-{
- return single_open(file, psched_show, NULL);
-}
-
-static const struct file_operations psched_fops = {
- .open = psched_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
static int __net_init psched_net_init(struct net *net)
{
struct proc_dir_entry *e;
- e = proc_create("psched", 0, net->proc_net, &psched_fops);
+ e = proc_create_single("psched", 0, net->proc_net, psched_show);
if (e == NULL)
return -ENOMEM;