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>

1 files changed, 4 insertions, 28 deletions

diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 298fd8b6ed17..4a15529d33eb 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -439,19 +439,6 @@ static const struct seq_operations ip6mr_vif_seq_ops = {
 	.show  = ip6mr_vif_seq_show,
 };
 
-static int ip6mr_vif_open(struct inode *inode, struct file *file)
-{
-	return seq_open_net(inode, file, &ip6mr_vif_seq_ops,
-			    sizeof(struct mr_vif_iter));
-}
-
-static const struct file_operations ip6mr_vif_fops = {
-	.open    = ip6mr_vif_open,
-	.read    = seq_read,
-	.llseek  = seq_lseek,
-	.release = seq_release_net,
-};
-
 static void *ipmr_mfc_seq_start(struct seq_file *seq, loff_t *pos)
 {
 	struct net *net = seq_file_net(seq);
@@ -512,19 +499,6 @@ static const struct seq_operations ipmr_mfc_seq_ops = {
 	.stop  = mr_mfc_seq_stop,
 	.show  = ipmr_mfc_seq_show,
 };
-
-static int ipmr_mfc_open(struct inode *inode, struct file *file)
-{
-	return seq_open_net(inode, file, &ipmr_mfc_seq_ops,
-			    sizeof(struct mr_mfc_iter));
-}
-
-static const struct file_operations ip6mr_mfc_fops = {
-	.open    = ipmr_mfc_open,
-	.read    = seq_read,
-	.llseek  = seq_lseek,
-	.release = seq_release_net,
-};
 #endif
 
 #ifdef CONFIG_IPV6_PIMSM_V2
@@ -1316,9 +1290,11 @@ static int __net_init ip6mr_net_init(struct net *net)
 
 #ifdef CONFIG_PROC_FS
 	err = -ENOMEM;
-	if (!proc_create("ip6_mr_vif", 0, net->proc_net, &ip6mr_vif_fops))
+	if (!proc_create_net("ip6_mr_vif", 0, net->proc_net, &ip6mr_vif_seq_ops,
+			sizeof(struct mr_vif_iter)))
 		goto proc_vif_fail;
-	if (!proc_create("ip6_mr_cache", 0, net->proc_net, &ip6mr_mfc_fops))
+	if (!proc_create_net("ip6_mr_cache", 0, net->proc_net, &ipmr_mfc_seq_ops,
+			sizeof(struct mr_mfc_iter)))
 		goto proc_cache_fail;
 #endif