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SUNRPC: Queue latency-sensitive socket tasks to xprtiod

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The response to a write_space notification is very latency sensitive,
so we should queue it to the lower latency xprtiod_workqueue. This
is something we already do for the other cases where an rpc task
holds the transport XPRT_LOCKED bitlock.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust
2018-02-07 09:13:04 -05:00
parent 0c8cbcd337
commit 2275cde4cc
3 changed files with 17 additions and 1 deletions
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3
include/linux/sunrpc/sched.h
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@@ -229,6 +229,9 @@ void rpc_sleep_on_priority(struct rpc_wait_queue *,
struct rpc_task *,
rpc_action action,
int priority);
void rpc_wake_up_queued_task_on_wq(struct workqueue_struct *wq,
struct rpc_wait_queue *queue,
struct rpc_task *task);
void rpc_wake_up_queued_task(struct rpc_wait_queue *,
struct rpc_task *);
void rpc_wake_up(struct rpc_wait_queue *);