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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
fs/locks.c
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@@ -2788,22 +2788,10 @@ static const struct seq_operations locks_seq_operations = {
.show = locks_show,
};
static int locks_open(struct inode *inode, struct file *filp)
{
return seq_open_private(filp, &locks_seq_operations,
sizeof(struct locks_iterator));
}
static const struct file_operations proc_locks_operations = {
.open = locks_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release_private,
};
static int __init proc_locks_init(void)
{
proc_create("locks", 0, NULL, &proc_locks_operations);
proc_create_seq_private("locks", 0, NULL, &locks_seq_operations,
sizeof(struct locks_iterator), NULL);
return 0;
}
fs_initcall(proc_locks_init);