proc: introduce proc_create_net{,_data}

Variants of proc_create{,_data} that directly take a struct seq_operations
and deal with network namespaces in ->open and ->release.  All callers of
proc_create + seq_open_net converted over, and seq_{open,release}_net are
removed entirely.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig
2018-04-10 19:42:55 +02:00
parent a2dcdee374
commit c350637227
57 changed files with 202 additions and 939 deletions

View File

@@ -1916,27 +1916,14 @@ static const struct seq_operations tcp6_seq_ops = {
.stop = tcp_seq_stop,
};
static int tcp6_seq_open(struct inode *inode, struct file *file)
{
return seq_open_net(inode, file, &tcp6_seq_ops,
sizeof(struct tcp_iter_state));
}
static const struct file_operations tcp6_afinfo_seq_fops = {
.open = tcp6_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release_net
};
static struct tcp_seq_afinfo tcp6_seq_afinfo = {
.family = AF_INET6,
};
int __net_init tcp6_proc_init(struct net *net)
{
if (!proc_create_data("tcp6", 0444, net->proc_net,
&tcp6_afinfo_seq_fops, &tcp6_seq_afinfo))
if (!proc_create_net_data("tcp6", 0444, net->proc_net, &tcp6_seq_ops,
sizeof(struct tcp_iter_state), &tcp6_seq_afinfo))
return -ENOMEM;
return 0;
}