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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-05-27 10:39:50 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-06-13 12:35:51 -0400 |
| commit | 40a5f1b19bacb2de7a051be952dee85e38c9e5f5 (patch) | |
| tree | 0e8ead168d326d40cfdea25a745699741d5d3f3e /include/linux | |
| parent | 5157b956961d78effd78399e1574b08b9b618422 (diff) | |
| download | linux-stable-40a5f1b19bacb2de7a051be952dee85e38c9e5f5.tar.gz linux-stable-40a5f1b19bacb2de7a051be952dee85e38c9e5f5.tar.bz2 linux-stable-40a5f1b19bacb2de7a051be952dee85e38c9e5f5.zip | |
SUNRPC: RPC transport queue must be low latency
rpciod can easily get congested due to the long list of queued rpc_tasks.
Having the receive queue wait in turn for those tasks to complete can
therefore be a bottleneck.
Address the problem by separating the workqueues into:
- rpciod: manages rpc_tasks
- xprtiod: manages transport related work.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/sunrpc/sched.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h index 05a1809c44d9..ef780b3b5e31 100644 --- a/include/linux/sunrpc/sched.h +++ b/include/linux/sunrpc/sched.h @@ -247,6 +247,7 @@ void rpc_show_tasks(struct net *); int rpc_init_mempool(void); void rpc_destroy_mempool(void); extern struct workqueue_struct *rpciod_workqueue; +extern struct workqueue_struct *xprtiod_workqueue; void rpc_prepare_task(struct rpc_task *task); static inline int rpc_wait_for_completion_task(struct rpc_task *task) |