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authorMark Brown <broonie@kernel.org>2017-04-25 16:35:35 +0100
committerMark Brown <broonie@kernel.org>2017-04-25 16:35:35 +0100
commit9095bf25ea08135a5b74875dd0e3eeaddc4218a0 (patch)
treea4e6976eab0e7a5b6258281077cd5853c7e69514 /include/linux/sunrpc/cache.h
parentcdf4275e957c6bad3756e98942341667f1d7de7d (diff)
parentc1ae3cfa0e89fa1a7ecc4c99031f5e9ae99d9201 (diff)
Merge tag 'v4.11-rc1' into regulator-arizona
Linux 4.11-rc1
Diffstat (limited to 'include/linux/sunrpc/cache.h')
-rw-r--r--include/linux/sunrpc/cache.h23
1 files changed, 9 insertions, 14 deletions
diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index 62a60eeacb0a..270bad0e1bed 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -63,15 +63,6 @@ struct cache_head {
#define CACHE_NEW_EXPIRY 120 /* keep new things pending confirmation for 120 seconds */
-struct cache_detail_procfs {
- struct proc_dir_entry *proc_ent;
- struct proc_dir_entry *flush_ent, *channel_ent, *content_ent;
-};
-
-struct cache_detail_pipefs {
- struct dentry *dir;
-};
-
struct cache_detail {
struct module * owner;
int hash_size;
@@ -123,9 +114,9 @@ struct cache_detail {
time_t last_warn; /* when we last warned about no readers */
union {
- struct cache_detail_procfs procfs;
- struct cache_detail_pipefs pipefs;
- } u;
+ struct proc_dir_entry *procfs;
+ struct dentry *pipefs;
+ };
struct net *net;
};
@@ -198,14 +189,17 @@ static inline struct cache_head *cache_get(struct cache_head *h)
static inline void cache_put(struct cache_head *h, struct cache_detail *cd)
{
- if (atomic_read(&h->ref.refcount) <= 2 &&
+ if (kref_read(&h->ref) <= 2 &&
h->expiry_time < cd->nextcheck)
cd->nextcheck = h->expiry_time;
kref_put(&h->ref, cd->cache_put);
}
-static inline int cache_is_expired(struct cache_detail *detail, struct cache_head *h)
+static inline bool cache_is_expired(struct cache_detail *detail, struct cache_head *h)
{
+ if (!test_bit(CACHE_VALID, &h->flags))
+ return false;
+
return (h->expiry_time < seconds_since_boot()) ||
(detail->flush_time >= h->last_refresh);
}
@@ -227,6 +221,7 @@ extern void sunrpc_destroy_cache_detail(struct cache_detail *cd);
extern int sunrpc_cache_register_pipefs(struct dentry *parent, const char *,
umode_t, struct cache_detail *);
extern void sunrpc_cache_unregister_pipefs(struct cache_detail *);
+extern void sunrpc_cache_unhash(struct cache_detail *, struct cache_head *);
/* Must store cache_detail in seq_file->private if using next three functions */
extern void *cache_seq_start(struct seq_file *file, loff_t *pos);