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authorTrond Myklebust <trond.myklebust@primarydata.com>2015-07-03 09:32:23 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-07-03 09:42:54 -0400
commitb5872f0c67edf3714dd46f04d73c3644f3addaf9 (patch)
tree6b5d00addc414b9d96788ed6d407e83ab1477610 /net/sunrpc
parent93aa6c7bbc4124c8361c26a8b2c5c40afb185619 (diff)
downloadop-kernel-dev-b5872f0c67edf3714dd46f04d73c3644f3addaf9.zip
op-kernel-dev-b5872f0c67edf3714dd46f04d73c3644f3addaf9.tar.gz
SUNRPC: Don't confuse ENOBUFS with a write_space issue
ENOBUFS means that memory allocations are failing due to an actual low memory situation. It should not be confused with being out of socket buffer space. Handle the problem by just punting to the delay in call_status. Reported-by: Neil Brown <neilb@suse.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/xprtsock.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index ee359fc..44c1927 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -539,6 +539,7 @@ static int xs_local_send_request(struct rpc_task *task)
switch (status) {
case -ENOBUFS:
+ break;
case -EAGAIN:
status = xs_nospace(task);
break;
@@ -692,7 +693,6 @@ static int xs_tcp_send_request(struct rpc_task *task)
status = -ENOTCONN;
/* Should we call xs_close() here? */
break;
- case -ENOBUFS:
case -EAGAIN:
status = xs_nospace(task);
break;
@@ -703,6 +703,7 @@ static int xs_tcp_send_request(struct rpc_task *task)
case -ECONNREFUSED:
case -ENOTCONN:
case -EADDRINUSE:
+ case -ENOBUFS:
case -EPIPE:
clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags);
}
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