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Diffstat (limited to 'net/sunrpc/cache.c')
-rw-r--r--net/sunrpc/cache.c53
1 files changed, 26 insertions, 27 deletions
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 8a8e3528293c..7f2e5d818e05 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -38,7 +38,6 @@
static bool cache_defer_req(struct cache_req *req, struct cache_head *item);
static void cache_revisit_request(struct cache_head *item);
-static bool cache_listeners_exist(struct cache_detail *detail);
static void cache_init(struct cache_head *h, struct cache_detail *detail)
{
@@ -225,13 +224,6 @@ struct cache_head *sunrpc_cache_update(struct cache_detail *detail,
}
EXPORT_SYMBOL_GPL(sunrpc_cache_update);
-static int cache_make_upcall(struct cache_detail *cd, struct cache_head *h)
-{
- if (cd->cache_upcall)
- return cd->cache_upcall(cd, h);
- return sunrpc_cache_pipe_upcall(cd, h);
-}
-
static inline int cache_is_valid(struct cache_head *h)
{
if (!test_bit(CACHE_VALID, &h->flags))
@@ -304,17 +296,14 @@ int cache_check(struct cache_detail *detail,
(h->expiry_time != 0 && age > refresh_age/2)) {
dprintk("RPC: Want update, refage=%lld, age=%lld\n",
refresh_age, age);
- if (!test_and_set_bit(CACHE_PENDING, &h->flags)) {
- switch (cache_make_upcall(detail, h)) {
- case -EINVAL:
- rv = try_to_negate_entry(detail, h);
- break;
- case -EAGAIN:
- cache_fresh_unlocked(h, detail);
- break;
- }
- } else if (!cache_listeners_exist(detail))
+ switch (detail->cache_upcall(detail, h)) {
+ case -EINVAL:
rv = try_to_negate_entry(detail, h);
+ break;
+ case -EAGAIN:
+ cache_fresh_unlocked(h, detail);
+ break;
+ }
}
if (rv == -EAGAIN) {
@@ -1196,20 +1185,12 @@ static bool cache_listeners_exist(struct cache_detail *detail)
*
* Each request is at most one page long.
*/
-int sunrpc_cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h)
+static int cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h)
{
-
char *buf;
struct cache_request *crq;
int ret = 0;
- if (!detail->cache_request)
- return -EINVAL;
-
- if (!cache_listeners_exist(detail)) {
- warn_no_listener(detail);
- return -EINVAL;
- }
if (test_bit(CACHE_CLEANED, &h->flags))
/* Too late to make an upcall */
return -EAGAIN;
@@ -1243,8 +1224,26 @@ int sunrpc_cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h)
}
return ret;
}
+
+int sunrpc_cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h)
+{
+ if (test_and_set_bit(CACHE_PENDING, &h->flags))
+ return 0;
+ return cache_pipe_upcall(detail, h);
+}
EXPORT_SYMBOL_GPL(sunrpc_cache_pipe_upcall);
+int sunrpc_cache_pipe_upcall_timeout(struct cache_detail *detail,
+ struct cache_head *h)
+{
+ if (!cache_listeners_exist(detail)) {
+ warn_no_listener(detail);
+ return -EINVAL;
+ }
+ return sunrpc_cache_pipe_upcall(detail, h);
+}
+EXPORT_SYMBOL_GPL(sunrpc_cache_pipe_upcall_timeout);
+
/*
* parse a message from user-space and pass it
* to an appropriate cache