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proc: introduce proc_create_seq_private

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Variant of proc_create_data that directly take a struct seq_operations
argument + a private state size 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
2018-04-24 17:05:17 +02:00
parent fddda2b7b5
commit 44414d82cf
12 changed files with 37 additions and 113 deletions
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16
kernel/time/timer_list.c
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@@ -372,24 +372,12 @@ static const struct seq_operations timer_list_sops = {
.show = timer_list_show,
};
static int timer_list_open(struct inode *inode, struct file *filp)
{
return seq_open_private(filp, &timer_list_sops,
sizeof(struct timer_list_iter));
}
static const struct file_operations timer_list_fops = {
.open = timer_list_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release_private,
};
static int __init init_timer_list_procfs(void)
{
struct proc_dir_entry *pe;
pe = proc_create("timer_list", 0400, NULL, &timer_list_fops);
pe = proc_create_seq_private("timer_list", 0400, NULL, &timer_list_sops,
sizeof(struct timer_list_iter), NULL);
if (!pe)
return -ENOMEM;
return 0;