diff options
author | Christoph Hellwig <hch@lst.de> | 2018-04-13 20:38:35 +0200 |
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committer | Christoph Hellwig <hch@lst.de> | 2018-05-16 07:24:30 +0200 |
commit | 3617d9496cd92dcca4d0893191d95554590d8d9f (patch) | |
tree | 3054a4c965a42aa4375b08f92b111e1943cd41c5 /net/ipv4/proc.c | |
parent | c3506372277779fccbffee2475400fcd689d5738 (diff) | |
download | op-kernel-dev-3617d9496cd92dcca4d0893191d95554590d8d9f.zip op-kernel-dev-3617d9496cd92dcca4d0893191d95554590d8d9f.tar.gz |
proc: introduce proc_create_net_single
Variant of proc_create_data that directly take a seq_file show
callback and deals with network namespaces in ->open and ->release.
All callers of proc_create + single_open_net converted over, and
single_{open,release}_net are removed entirely.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'net/ipv4/proc.c')
-rw-r--r-- | net/ipv4/proc.c | 48 |
1 files changed, 6 insertions, 42 deletions
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index a058de6..573e43c 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -77,18 +77,6 @@ static int sockstat_seq_show(struct seq_file *seq, void *v) return 0; } -static int sockstat_seq_open(struct inode *inode, struct file *file) -{ - return single_open_net(inode, file, sockstat_seq_show); -} - -static const struct file_operations sockstat_seq_fops = { - .open = sockstat_seq_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release_net, -}; - /* snmp items */ static const struct snmp_mib snmp4_ipstats_list[] = { SNMP_MIB_ITEM("InReceives", IPSTATS_MIB_INPKTS), @@ -460,20 +448,6 @@ static int snmp_seq_show(struct seq_file *seq, void *v) return 0; } -static int snmp_seq_open(struct inode *inode, struct file *file) -{ - return single_open_net(inode, file, snmp_seq_show); -} - -static const struct file_operations snmp_seq_fops = { - .open = snmp_seq_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release_net, -}; - - - /* * Output /proc/net/netstat */ @@ -507,26 +481,16 @@ static int netstat_seq_show(struct seq_file *seq, void *v) return 0; } -static int netstat_seq_open(struct inode *inode, struct file *file) -{ - return single_open_net(inode, file, netstat_seq_show); -} - -static const struct file_operations netstat_seq_fops = { - .open = netstat_seq_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release_net, -}; - static __net_init int ip_proc_init_net(struct net *net) { - if (!proc_create("sockstat", 0444, net->proc_net, - &sockstat_seq_fops)) + if (!proc_create_net_single("sockstat", 0444, net->proc_net, + sockstat_seq_show, NULL)) goto out_sockstat; - if (!proc_create("netstat", 0444, net->proc_net, &netstat_seq_fops)) + if (!proc_create_net_single("netstat", 0444, net->proc_net, + netstat_seq_show, NULL)) goto out_netstat; - if (!proc_create("snmp", 0444, net->proc_net, &snmp_seq_fops)) + if (!proc_create_net_single("snmp", 0444, net->proc_net, snmp_seq_show, + NULL)) goto out_snmp; return 0; |