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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2022-04-07 16:50:19 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-13 21:59:20 +0300 |
| commit | 3b32dda29f994f036de528c07221fa72ba721f1c (patch) | |
| tree | f069f1c1b84a8a920aa90145a9dfce843e3c08af /net | |
| parent | 03ac680dacf9344036fe96d2102574bc5105cb8f (diff) | |
| download | linux-3b32dda29f994f036de528c07221fa72ba721f1c.tar.xz | |
SUNRPC: Handle low memory situations in call_status()
[ Upstream commit 9d82819d5b065348ce623f196bf601028e22ed00 ]
We need to handle ENFILE, ENOBUFS, and ENOMEM, because
xprt_wake_pending_tasks() can be called with any one of these due to
socket creation failures.
Fixes: b61d59fffd3e ("SUNRPC: xs_tcp_connect_worker{4,6}: merge common code")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/clnt.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 9a183c254c84..3286add1a958 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -2369,6 +2369,11 @@ call_status(struct rpc_task *task) case -EPIPE: case -EAGAIN: break; + case -ENFILE: + case -ENOBUFS: + case -ENOMEM: + rpc_delay(task, HZ>>2); + break; case -EIO: /* shutdown or soft timeout */ goto out_exit; |