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proc: introduce proc_create_net{,_data}

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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
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18
net/netlink/af_netlink.c
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@@ -2635,21 +2635,6 @@ static const struct seq_operations netlink_seq_ops = {
.stop = netlink_seq_stop,
.show = netlink_seq_show,
};
static int netlink_seq_open(struct inode *inode, struct file *file)
{
return seq_open_net(inode, file, &netlink_seq_ops,
sizeof(struct nl_seq_iter));
}
static const struct file_operations netlink_seq_fops = {
.open = netlink_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release_net,
};
#endif
int netlink_register_notifier(struct notifier_block *nb)
@@ -2694,7 +2679,8 @@ static const struct net_proto_family netlink_family_ops = {
static int __net_init netlink_net_init(struct net *net)
{
#ifdef CONFIG_PROC_FS
if (!proc_create("netlink", 0, net->proc_net, &netlink_seq_fops))
if (!proc_create_net("netlink", 0, net->proc_net, &netlink_seq_ops,
sizeof(struct nl_seq_iter)))
return -ENOMEM;
#endif
return 0;