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-rw-r--r--include/linux/sunrpc/cache.h2
-rw-r--r--net/sunrpc/cache.c7
2 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index 3d32dd1f7b05..031379efba24 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -16,6 +16,7 @@
#include <linux/atomic.h>
#include <linux/kstrtox.h>
#include <linux/proc_fs.h>
+#include <linux/wait.h>
/*
* Each cache requires:
@@ -114,6 +115,7 @@ struct cache_detail {
/* fields for communication over channel */
struct list_head queue;
spinlock_t queue_lock;
+ wait_queue_head_t queue_wait;
atomic_t writers; /* how many time is /channel open */
time64_t last_close; /* if no writers, when did last close */
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 1cfaae488c6c..fd02dca1f07a 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -401,6 +401,7 @@ void sunrpc_init_cache_detail(struct cache_detail *cd)
spin_lock_init(&cd->hash_lock);
INIT_LIST_HEAD(&cd->queue);
spin_lock_init(&cd->queue_lock);
+ init_waitqueue_head(&cd->queue_wait);
spin_lock(&cache_list_lock);
cd->nextcheck = 0;
cd->entries = 0;
@@ -970,8 +971,6 @@ out:
return ret;
}
-static DECLARE_WAIT_QUEUE_HEAD(queue_wait);
-
static __poll_t cache_poll(struct file *filp, poll_table *wait,
struct cache_detail *cd)
{
@@ -979,7 +978,7 @@ static __poll_t cache_poll(struct file *filp, poll_table *wait,
struct cache_reader *rp = filp->private_data;
struct cache_queue *cq;
- poll_wait(filp, &queue_wait, wait);
+ poll_wait(filp, &cd->queue_wait, wait);
/* alway allow write */
mask = EPOLLOUT | EPOLLWRNORM;
@@ -1259,7 +1258,7 @@ static int cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h)
/* Lost a race, no longer PENDING, so don't enqueue */
ret = -EAGAIN;
spin_unlock(&detail->queue_lock);
- wake_up(&queue_wait);
+ wake_up(&detail->queue_wait);
if (ret == -EAGAIN) {
kfree(buf);
kfree(crq);