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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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4
net/rxrpc/ar-internal.h
View File

@@ -1051,8 +1051,8 @@ void __rxrpc_queue_peer_error(struct rxrpc_peer *);
/*
* proc.c
*/
extern const struct file_operations rxrpc_call_seq_fops;
extern const struct file_operations rxrpc_connection_seq_fops;
extern const struct seq_operations rxrpc_call_seq_ops;
extern const struct seq_operations rxrpc_connection_seq_ops;
/*
* recvmsg.c

7
net/rxrpc/net_ns.c
View File

@@ -97,8 +97,11 @@ static __net_init int rxrpc_init_net(struct net *net)
if (!rxnet->proc_net)
goto err_proc;
proc_create("calls", 0444, rxnet->proc_net, &rxrpc_call_seq_fops);
proc_create("conns", 0444, rxnet->proc_net, &rxrpc_connection_seq_fops);
proc_create_net("calls", 0444, rxnet->proc_net, &rxrpc_call_seq_ops,
sizeof(struct seq_net_private));
proc_create_net("conns", 0444, rxnet->proc_net,
&rxrpc_connection_seq_ops,
sizeof(struct seq_net_private));
return 0;
err_proc:

31
net/rxrpc/proc.c
View File

@@ -115,26 +115,13 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
return 0;
}
static const struct seq_operations rxrpc_call_seq_ops = {
const struct seq_operations rxrpc_call_seq_ops = {
.start = rxrpc_call_seq_start,
.next = rxrpc_call_seq_next,
.stop = rxrpc_call_seq_stop,
.show = rxrpc_call_seq_show,
};
static int rxrpc_call_seq_open(struct inode *inode, struct file *file)
{
return seq_open_net(inode, file, &rxrpc_call_seq_ops,
sizeof(struct seq_net_private));
}
const struct file_operations rxrpc_call_seq_fops = {
.open = rxrpc_call_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
/*
* generate a list of extant virtual connections in /proc/net/rxrpc_conns
*/
@@ -207,23 +194,9 @@ print:
return 0;
}
static const struct seq_operations rxrpc_connection_seq_ops = {
const struct seq_operations rxrpc_connection_seq_ops = {
.start = rxrpc_connection_seq_start,
.next = rxrpc_connection_seq_next,
.stop = rxrpc_connection_seq_stop,
.show = rxrpc_connection_seq_show,
};
static int rxrpc_connection_seq_open(struct inode *inode, struct file *file)
{
return seq_open_net(inode, file, &rxrpc_connection_seq_ops,
sizeof(struct seq_net_private));
}
const struct file_operations rxrpc_connection_seq_fops = {
.open = rxrpc_connection_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};