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SUNRPC: Don't confuse ENOBUFS with a write_space issue

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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>
This commit is contained in:
Trond Myklebust 2015-07-03 09:32:23 -04:00
parent 93aa6c7bbc
commit b5872f0c67
1 changed files with 2 additions and 1 deletions
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3
net/sunrpc/xprtsock.c
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@ -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);
}