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net: Allow to show socket-specific information in /proc/[pid]/fdinfo/[fd]

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This adds .show_fdinfo to socket_file_ops, so protocols will be able
to print their specific data in fdinfo.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kirill Tkhai
2019-12-09 13:03:40 +03:00
committed by David S. Miller
parent 6b8350a4b0
commit b4653342b1
2 changed files with 13 additions and 0 deletions
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include/linux/net.h
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@@ -171,6 +171,7 @@ struct proto_ops {
int (*compat_getsockopt)(struct socket *sock, int level,
int optname, char __user *optval, int __user *optlen);
#endif
void (*show_fdinfo)(struct seq_file *m, struct socket *sock);
int (*sendmsg) (struct socket *sock, struct msghdr *m,
size_t total_len);
/* Notes for implementing recvmsg: