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authorTrond Myklebust <trondmy@gmail.com>2019-04-07 13:58:58 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2019-04-25 14:18:14 -0400
commitae6ec918474597a13a2648c54b6f12fb8cf0a55e (patch)
tree2c156c6e0d4392200fc33b7c68c4d482d62c00b9
parent0729d995f2a2726598642d552ebe916b43aef73d (diff)
downloadlinux-ae6ec918474597a13a2648c54b6f12fb8cf0a55e.tar.bz2
SUNRPC: Add the 'softerr' rpc_client flag
Add the 'softerr' rpc client flag that sets the RPC_TASK_TIMEOUT flag on all new rpc tasks that are attached to that rpc client. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
-rw-r--r--include/linux/sunrpc/clnt.h2
-rw-r--r--net/sunrpc/clnt.c8
2 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 98bc9883b230..943762acfcd4 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -50,6 +50,7 @@ struct rpc_clnt {
struct rpc_iostats * cl_metrics; /* per-client statistics */
unsigned int cl_softrtry : 1,/* soft timeouts */
+ cl_softerr : 1,/* Timeouts return errors */
cl_discrtry : 1,/* disconnect before retry */
cl_noretranstimeo: 1,/* No retransmit timeouts */
cl_autobind : 1,/* use getport() */
@@ -144,6 +145,7 @@ struct rpc_add_xprt_test {
#define RPC_CLNT_CREATE_INFINITE_SLOTS (1UL << 7)
#define RPC_CLNT_CREATE_NO_IDLE_TIMEOUT (1UL << 8)
#define RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT (1UL << 9)
+#define RPC_CLNT_CREATE_SOFTERR (1UL << 10)
struct rpc_clnt *rpc_create(struct rpc_create_args *args);
struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *,
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index b16322eb6c42..e933f1185317 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -484,8 +484,11 @@ static struct rpc_clnt *rpc_create_xprt(struct rpc_create_args *args,
}
clnt->cl_softrtry = 1;
- if (args->flags & RPC_CLNT_CREATE_HARDRTRY)
+ if (args->flags & (RPC_CLNT_CREATE_HARDRTRY|RPC_CLNT_CREATE_SOFTERR)) {
clnt->cl_softrtry = 0;
+ if (args->flags & RPC_CLNT_CREATE_SOFTERR)
+ clnt->cl_softerr = 1;
+ }
if (args->flags & RPC_CLNT_CREATE_AUTOBIND)
clnt->cl_autobind = 1;
@@ -623,6 +626,7 @@ static struct rpc_clnt *__rpc_clone_client(struct rpc_create_args *args,
/* Turn off autobind on clones */
new->cl_autobind = 0;
new->cl_softrtry = clnt->cl_softrtry;
+ new->cl_softerr = clnt->cl_softerr;
new->cl_noretranstimeo = clnt->cl_noretranstimeo;
new->cl_discrtry = clnt->cl_discrtry;
new->cl_chatty = clnt->cl_chatty;
@@ -1001,6 +1005,8 @@ void rpc_task_set_client(struct rpc_task *task, struct rpc_clnt *clnt)
atomic_inc(&clnt->cl_count);
if (clnt->cl_softrtry)
task->tk_flags |= RPC_TASK_SOFT;
+ if (clnt->cl_softerr)
+ task->tk_flags |= RPC_TASK_TIMEOUT;
if (clnt->cl_noretranstimeo)
task->tk_flags |= RPC_TASK_NO_RETRANS_TIMEOUT;
if (atomic_read(&clnt->cl_swapper))