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>
This commit is contained in:
Christoph Hellwig
2018-05-15 15:57:23 +02:00
parent 44414d82cf
commit 3f3942aca6
85 changed files with 235 additions and 1509 deletions

View File

@@ -2432,22 +2432,9 @@ static int proc_udc_show(struct seq_file *s, void *_)
return 0;
}
static int proc_udc_open(struct inode *inode, struct file *file)
{
return single_open(file, proc_udc_show, NULL);
}
static const struct file_operations proc_ops = {
.owner = THIS_MODULE,
.open = proc_udc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static void create_proc_file(void)
{
proc_create(proc_filename, 0, NULL, &proc_ops);
proc_create_single(proc_filename, 0, NULL, proc_udc_show);
}
static void remove_proc_file(void)