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xprtrdma: Refactor tasklet scheduling 

Restore the separate function that schedules the reply handling
tasklet. I need to call it from two different paths.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2014-11-08 20:14:37 -05:00 committed by Anna Schumaker
parent 467c9674bc
commit f1a03b76fe
1 changed files with 12 additions and 5 deletions
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17
net/sunrpc/xprtrdma/verbs.c
View File

@ -106,6 +106,17 @@ rpcrdma_run_tasklet(unsigned long data)
static DECLARE_TASKLET(rpcrdma_tasklet_g, rpcrdma_run_tasklet, 0UL);
static void
rpcrdma_schedule_tasklet(struct list_head *sched_list)
{
unsigned long flags;
spin_lock_irqsave(&rpcrdma_tk_lock_g, flags);
list_splice_tail(sched_list, &rpcrdma_tasklets_g);
spin_unlock_irqrestore(&rpcrdma_tk_lock_g, flags);
tasklet_schedule(&rpcrdma_tasklet_g);
}
static void
rpcrdma_qp_async_error_upcall(struct ib_event *event, void *context)
{
@ -244,7 +255,6 @@ rpcrdma_recvcq_poll(struct ib_cq *cq, struct rpcrdma_ep *ep)
struct list_head sched_list;
struct ib_wc *wcs;
int budget, count, rc;
unsigned long flags;
INIT_LIST_HEAD(&sched_list);
budget = RPCRDMA_WC_BUDGET / RPCRDMA_POLLSIZE;
@ -262,10 +272,7 @@ rpcrdma_recvcq_poll(struct ib_cq *cq, struct rpcrdma_ep *ep)
rc = 0;
out_schedule:
spin_lock_irqsave(&rpcrdma_tk_lock_g, flags);
list_splice_tail(&sched_list, &rpcrdma_tasklets_g);
spin_unlock_irqrestore(&rpcrdma_tk_lock_g, flags);
tasklet_schedule(&rpcrdma_tasklet_g);
rpcrdma_schedule_tasklet(&sched_list);
return rc;
}