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net: Add FLOWI_FLAG_CAN_SLEEP.

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And set is in contexts where the route resolution can sleep.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2011-03-01 14:22:19 -08:00
parent 420d44daa7
commit 5df65e5567
5 changed files with 11 additions and 3 deletions
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2
net/ipv6/ip6_output.c
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@ -1026,6 +1026,7 @@ struct dst_entry *ip6_dst_lookup_flow(struct sock *sk, struct flowi *fl,
if (final_dst)
ipv6_addr_copy(&fl->fl6_dst, final_dst);
if (want_blackhole) {
fl->flags |= FLOWI_FLAG_CAN_SLEEP;
err = __xfrm_lookup(sock_net(sk), &dst, fl, sk, XFRM_LOOKUP_WAIT);
if (err == -EREMOTE)
err = ip6_dst_blackhole(sk, &dst, fl);
@ -1070,6 +1071,7 @@ struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi *fl,
if (final_dst)
ipv6_addr_copy(&fl->fl6_dst, final_dst);
if (want_blackhole) {
fl->flags |= FLOWI_FLAG_CAN_SLEEP;
err = __xfrm_lookup(sock_net(sk), &dst, fl, sk, XFRM_LOOKUP_WAIT);
if (err == -EREMOTE)
err = ip6_dst_blackhole(sk, &dst, fl);