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proc: introduce proc_create_seq{,_data}

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Variants of proc_create{,_data} that directly take a struct seq_operations
argument 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
2018-04-13 19:44:18 +02:00
parent 7aed53d1df
commit fddda2b7b5
53 changed files with 151 additions and 925 deletions
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14
arch/s390/kernel/sysinfo.c
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@@ -386,18 +386,6 @@ static const struct seq_operations service_level_seq_ops = {
.show = service_level_show
};
static int service_level_open(struct inode *inode, struct file *file)
{
return seq_open(file, &service_level_seq_ops);
}
static const struct file_operations service_level_ops = {
.open = service_level_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release
};
static void service_level_vm_print(struct seq_file *m,
struct service_level *slr)
{
@@ -420,7 +408,7 @@ static struct service_level service_level_vm = {
static __init int create_proc_service_level(void)
{
proc_create("service_levels", 0, NULL, &service_level_ops);
proc_create_seq("service_levels", 0, NULL, &service_level_seq_ops);
if (MACHINE_IS_VM)
register_service_level(&service_level_vm);
return 0;