diff options
Diffstat (limited to 'include/linux/sunrpc/cache.h')
| -rw-r--r-- | include/linux/sunrpc/cache.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h index 35766963dd14..b1e595c2615b 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: @@ -112,7 +113,11 @@ struct cache_detail { int entries; /* fields for communication over channel */ - struct list_head queue; + struct list_head requests; + struct list_head readers; + spinlock_t queue_lock; + wait_queue_head_t queue_wait; + u64 next_seqno; atomic_t writers; /* how many time is /channel open */ time64_t last_close; /* if no writers, when did last close */ @@ -222,6 +227,8 @@ static inline bool cache_is_expired(struct cache_detail *detail, struct cache_he return detail->flush_time >= h->last_refresh; } +extern int cache_check_rcu(struct cache_detail *detail, + struct cache_head *h, struct cache_req *rqstp); extern int cache_check(struct cache_detail *detail, struct cache_head *h, struct cache_req *rqstp); extern void cache_flush(void); |