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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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17
net/decnet/af_decnet.c
View file

@ -2314,19 +2314,6 @@ static const struct seq_operations dn_socket_seq_ops = {
.stop = dn_socket_seq_stop,
.show = dn_socket_seq_show,
};
static int dn_socket_seq_open(struct inode *inode, struct file *file)
{
return seq_open_private(file, &dn_socket_seq_ops,
sizeof(struct dn_iter_state));
}
static const struct file_operations dn_socket_seq_fops = {
.open = dn_socket_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release_private,
};
#endif
static const struct net_proto_family dn_family_ops = {
@ -2383,7 +2370,9 @@ static int __init decnet_init(void)
dev_add_pack(&dn_dix_packet_type);
register_netdevice_notifier(&dn_dev_notifier);
proc_create("decnet", 0444, init_net.proc_net, &dn_socket_seq_fops);
proc_create_seq_private("decnet", 0444, init_net.proc_net,
&dn_socket_seq_ops, sizeof(struct dn_iter_state),
NULL);
dn_register_sysctl();
out:
return rc;