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NFSv4.1: Don't mess with task priorities in nfs41_setup_sequence 

We want to preserve the rpc_task priority for things like writebacks,
that may have differing levels of urgency.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2012-11-01 16:44:05 -04:00
parent 104287cd4e
commit 1e1093c7fd
2 changed files with 5 additions and 4 deletions
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8
fs/nfs/nfs4proc.c
View File

@ -536,8 +536,6 @@ int nfs41_setup_sequence(struct nfs4_session *session,
} }
spin_unlock(&tbl->slot_tbl_lock); spin_unlock(&tbl->slot_tbl_lock);
rpc_task_set_priority(task, RPC_PRIORITY_NORMAL);
args->sa_slot = slot; args->sa_slot = slot;
dprintk("<-- %s slotid=%d seqid=%d\n", __func__, dprintk("<-- %s slotid=%d seqid=%d\n", __func__,
@ -556,8 +554,10 @@ out_success:
out_sleep: out_sleep:
/* Privileged tasks are queued with top priority */ /* Privileged tasks are queued with top priority */
if (args->sa_privileged) if (args->sa_privileged)
rpc_task_set_priority(task, RPC_PRIORITY_PRIVILEGED); rpc_sleep_on_priority(&tbl->slot_tbl_waitq, task,
rpc_sleep_on(&tbl->slot_tbl_waitq, task, NULL); NULL, RPC_PRIORITY_PRIVILEGED);
else
rpc_sleep_on(&tbl->slot_tbl_waitq, task, NULL);
spin_unlock(&tbl->slot_tbl_lock); spin_unlock(&tbl->slot_tbl_lock);
return -EAGAIN; return -EAGAIN;
} }

1
net/sunrpc/sched.c
View File

@ -379,6 +379,7 @@ void rpc_sleep_on_priority(struct rpc_wait_queue *q, struct rpc_task *task,
__rpc_sleep_on_priority(q, task, action, priority - RPC_PRIORITY_LOW); __rpc_sleep_on_priority(q, task, action, priority - RPC_PRIORITY_LOW);
spin_unlock_bh(&q->lock); spin_unlock_bh(&q->lock);
} }
EXPORT_SYMBOL_GPL(rpc_sleep_on_priority);
/** /**
* __rpc_do_wake_up_task - wake up a single rpc_task * __rpc_do_wake_up_task - wake up a single rpc_task