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authorChristoph Hellwig <hch@lst.de>2020-05-28 07:12:09 +0200
committerDavid S. Miller <davem@davemloft.net>2020-05-28 11:11:44 -0700
commitb58f0e8f38c0a44afa59601a115bd231f23471e1 (patch)
tree591622253553216fe2635b360b4f31a62636226b /net/core
parent1eba1110f0a7a2faa88b8bd1fc5516870bda387b (diff)
net: add sock_set_reuseaddr
Add a helper to directly set the SO_REUSEADDR sockopt from kernel space without going through a fake uaccess. For this the iscsi target now has to formally depend on inet to avoid a mostly theoretical compile failure. For actual operation it already did depend on having ipv4 or ipv6 support. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/sock.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index fd85e651ce28..18eb84fdf5fb 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -712,6 +712,14 @@ bool sk_mc_loop(struct sock *sk)
}
EXPORT_SYMBOL(sk_mc_loop);
+void sock_set_reuseaddr(struct sock *sk)
+{
+ lock_sock(sk);
+ sk->sk_reuse = SK_CAN_REUSE;
+ release_sock(sk);
+}
+EXPORT_SYMBOL(sock_set_reuseaddr);
+
/*
* This is meant for all protocols to use and covers goings on
* at the socket level. Everything here is generic.