diff options
author | Jeff Layton <jlayton@kernel.org> | 2025-02-20 19:47:17 +0300 |
---|---|---|
committer | Chuck Lever <chuck.lever@oracle.com> | 2025-03-10 16:11:10 +0300 |
commit | ff383e8f9440209cf15441bc04627c70a4fe7964 (patch) | |
tree | ec01f51ed7ba8f3b1714acdd0e9587c880bcbde2 | |
parent | 32ce62c0f09cdc5a6b06bb38daec9b9a47302437 (diff) | |
download | linux-ff383e8f9440209cf15441bc04627c70a4fe7964.tar.xz |
nfsd: handle errors from rpc_call_async()
It's possible for rpc_call_async() to fail (mainly due to memory
allocation failure). If it does, there isn't much recourse other than to
requeue the callback and try again later.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
-rw-r--r-- | fs/nfsd/nfs4callback.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index 018533bb83a3..3f21de06154e 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -1592,7 +1592,7 @@ nfsd4_run_cb_work(struct work_struct *work) container_of(work, struct nfsd4_callback, cb_work); struct nfs4_client *clp = cb->cb_clp; struct rpc_clnt *clnt; - int flags; + int flags, ret; trace_nfsd_cb_start(clp); @@ -1625,8 +1625,12 @@ nfsd4_run_cb_work(struct work_struct *work) cb->cb_msg.rpc_cred = clp->cl_cb_cred; flags = clp->cl_minorversion ? RPC_TASK_NOCONNECT : RPC_TASK_SOFTCONN; - rpc_call_async(clnt, &cb->cb_msg, RPC_TASK_SOFT | flags, - cb->cb_ops ? &nfsd4_cb_ops : &nfsd4_cb_probe_ops, cb); + ret = rpc_call_async(clnt, &cb->cb_msg, RPC_TASK_SOFT | flags, + cb->cb_ops ? &nfsd4_cb_ops : &nfsd4_cb_probe_ops, cb); + if (ret != 0) { + set_bit(NFSD4_CALLBACK_REQUEUE, &cb->cb_flags); + nfsd4_queue_cb(cb); + } } void nfsd4_init_cb(struct nfsd4_callback *cb, struct nfs4_client *clp, |