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SUNRPC: Replace the queue timer with a delayed work function

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The queue timer function, which walks the RPC queue in order to locate
candidates for waking up is one of the current constraints against
removing the bh-safe queue spin locks. Replace it with a delayed
work queue, so that we can do the actual rpc task wake ups from an
ordinary process context.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2019-05-01 10:49:27 -04:00
parent 44942b4e45
commit 7e0a0e38fc
2 changed files with 22 additions and 11 deletions
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3
include/linux/sunrpc/sched.h
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@ -183,8 +183,9 @@ struct rpc_task_setup {
#define RPC_NR_PRIORITY (1 + RPC_PRIORITY_PRIVILEGED - RPC_PRIORITY_LOW)
struct rpc_timer {
struct timer_list timer;
struct list_head list;
unsigned long expires;
struct delayed_work dwork;
};
/*