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author | Denis V. Lunev <den@openvz.org> | 2007-11-20 07:31:54 +0100 |
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committer | David S. Miller <davem@davemloft.net> | 2008-01-28 23:54:28 +0100 |
commit | e372c41401993b45c721c4d92730e7e0a79f7c1b (patch) | |
tree | 8f062f506c0578fc83b7d05c8751a7ccac96e50e /fs | |
parent | [NET]: Make AF_UNIX per network namespace safe [v2] (diff) | |
download | linux-e372c41401993b45c721c4d92730e7e0a79f7c1b.tar.xz linux-e372c41401993b45c721c4d92730e7e0a79f7c1b.zip |
[NET]: Consolidate net namespace related proc files creation.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/proc/proc_net.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c index 0afe21ee0607..cfc4f6c072f1 100644 --- a/fs/proc/proc_net.c +++ b/fs/proc/proc_net.c @@ -22,10 +22,48 @@ #include <linux/mount.h> #include <linux/nsproxy.h> #include <net/net_namespace.h> +#include <linux/seq_file.h> #include "internal.h" +int seq_open_net(struct inode *ino, struct file *f, + const struct seq_operations *ops, int size) +{ + struct net *net; + struct seq_net_private *p; + + BUG_ON(size < sizeof(*p)); + + net = get_proc_net(ino); + if (net == NULL) + return -ENXIO; + + p = __seq_open_private(f, ops, size); + if (p == NULL) { + put_net(net); + return -ENOMEM; + } + p->net = net; + return 0; +} +EXPORT_SYMBOL_GPL(seq_open_net); + +int seq_release_net(struct inode *ino, struct file *f) +{ + struct seq_file *seq; + struct seq_net_private *p; + + seq = f->private_data; + p = seq->private; + + put_net(p->net); + seq_release_private(ino, f); + return 0; +} +EXPORT_SYMBOL_GPL(seq_release_net); + + struct proc_dir_entry *proc_net_fops_create(struct net *net, const char *name, mode_t mode, const struct file_operations *fops) { |