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SUNRPC: Add function rpc_sleep_on_timeout()

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Clean up the RPC task sleep interfaces by replacing the task->tk_timeout
'hidden parameter' to rpc_sleep_on() with a new function that takes an
absolute timeout.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust
2019-04-07 13:58:49 -04:00
committed by Anna Schumaker
parent 8357a9b60f
commit 6b2e685627
7 changed files with 103 additions and 42 deletions
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5
net/sunrpc/auth_gss/auth_gss.c
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@@ -581,8 +581,8 @@ gss_refresh_upcall(struct rpc_task *task)
/* XXX: warning on the first, under the assumption we
* shouldn't normally hit this case on a refresh. */
warn_gssd();
task->tk_timeout = 15*HZ;
rpc_sleep_on(&pipe_version_rpc_waitqueue, task, NULL);
rpc_sleep_on_timeout(&pipe_version_rpc_waitqueue,
task, NULL, jiffies + (15 * HZ));
err = -EAGAIN;
goto out;
}
@@ -595,7 +595,6 @@ gss_refresh_upcall(struct rpc_task *task)
if (gss_cred->gc_upcall != NULL)
rpc_sleep_on(&gss_cred->gc_upcall->rpc_waitqueue, task, NULL);
else if (gss_msg->ctx == NULL && gss_msg->msg.errno >= 0) {
task->tk_timeout = 0;
gss_cred->gc_upcall = gss_msg;
/* gss_upcall_callback will release the reference to gss_upcall_msg */
refcount_inc(&gss_msg->count);