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authorRussell King <rmk+kernel@arm.linux.org.uk>2013-08-28 18:37:31 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-08-28 18:37:31 +0100
commitcdf0bfb0126bbd8c5424ca01fd59fd70d8ea80f9 (patch)
treee7864d3dacf433b7ccbe17a49b2e72b6a4b3a24c /net/sunrpc/svcsock.c
parentb4f656eea63376da79b0b5a17660c4ce14b71b74 (diff)
parent6af396a6b6c698eb3834184518fc9a59bc22c817 (diff)
Merge branch 'for-rmk/barriers' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into devel-stable
Diffstat (limited to 'net/sunrpc/svcsock.c')
-rw-r--r--net/sunrpc/svcsock.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 305374d4fb98..7762b9f8a8b7 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1193,7 +1193,9 @@ static int svc_tcp_has_wspace(struct svc_xprt *xprt)
if (test_bit(XPT_LISTENER, &xprt->xpt_flags))
return 1;
required = atomic_read(&xprt->xpt_reserved) + serv->sv_max_mesg;
- if (sk_stream_wspace(svsk->sk_sk) >= required)
+ if (sk_stream_wspace(svsk->sk_sk) >= required ||
+ (sk_stream_min_wspace(svsk->sk_sk) == 0 &&
+ atomic_read(&xprt->xpt_reserved) == 0))
return 1;
set_bit(SOCK_NOSPACE, &svsk->sk_sock->flags);
return 0;