Merge remote-tracking branch 'origin/next' into kvm-ppc-next

Conflicts:
	mm/Kconfig

CMA DMA split and ZSWAP introduction were conflicting, fix up manually.

5 files changed, 37 insertions, 49 deletions

diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h
index 303399b1ba59..6ce690de447f 100644
--- a/include/linux/sunrpc/cache.h
+++ b/include/linux/sunrpc/cache.h
@@ -57,6 +57,7 @@ struct cache_head {
 #define CACHE_VALID     0       /* Entry contains valid data */
 #define CACHE_NEGATIVE  1       /* Negative entry - there is no match for the key */
 #define CACHE_PENDING   2       /* An upcall has been sent but no reply received yet*/
+#define CACHE_CLEANED   3       /* Entry has been cleaned from cache */
 
 #define CACHE_NEW_EXPIRY 120    /* keep new things pending confirmation for 120 seconds */
 
@@ -148,6 +149,24 @@ struct cache_deferred_req {
                                            int too_many);
 };
 
+/*
+ * timestamps kept in the cache are expressed in seconds
+ * since boot.  This is the best for measuring differences in
+ * real time.
+ */
+static inline time_t seconds_since_boot(void)
+{
+        struct timespec boot;
+        getboottime(&boot);
+        return get_seconds() - boot.tv_sec;
+}
+
+static inline time_t convert_to_wallclock(time_t sinceboot)
+{
+        struct timespec boot;
+        getboottime(&boot);
+        return boot.tv_sec + sinceboot;
+}
 
 extern const struct file_operations cache_file_operations_pipefs;
 extern const struct file_operations content_file_operations_pipefs;
@@ -181,15 +200,10 @@ static inline void cache_put(struct cache_head *h, struct cache_detail *cd)
         kref_put(&h->ref, cd->cache_put);
 }
 
-static inline int cache_valid(struct cache_head *h)
+static inline int cache_is_expired(struct cache_detail *detail, struct cache_head *h)
 {
-        /* If an item has been unhashed pending removal when
-         * the refcount drops to 0, the expiry_time will be
-         * set to 0.  We don't want to consider such items
-         * valid in this context even though CACHE_VALID is
-         * set.
-         */
-        return (h->expiry_time != 0 && test_bit(CACHE_VALID, &h->flags));
+        return  (h->expiry_time < seconds_since_boot()) ||
+                (detail->flush_time > h->last_refresh);
 }
 
 extern int cache_check(struct cache_detail *detail,
@@ -250,25 +264,6 @@ static inline int get_uint(char **bpp, unsigned int *anint)
         return 0;
 }
 
-/*
- * timestamps kept in the cache are expressed in seconds
- * since boot.  This is the best for measuring differences in
- * real time.
- */
-static inline time_t seconds_since_boot(void)
-{
-        struct timespec boot;
-        getboottime(&boot);
-        return get_seconds() - boot.tv_sec;
-}
-
-static inline time_t convert_to_wallclock(time_t sinceboot)
-{
-        struct timespec boot;
-        getboottime(&boot);
-        return boot.tv_sec + sinceboot;
-}
-
 static inline time_t get_expiry(char **bpp)
 {
         int rv;
diff --git a/include/linux/sunrpc/gss_api.h b/include/linux/sunrpc/gss_api.h
index 161463e59624..1f911ccb2a75 100644
--- a/include/linux/sunrpc/gss_api.h
+++ b/include/linux/sunrpc/gss_api.h
@@ -151,6 +151,8 @@ struct gss_api_mech *gss_mech_get_by_pseudoflavor(u32);
 /* Fill in an array with a list of supported pseudoflavors */
 int gss_mech_list_pseudoflavors(rpc_authflavor_t *, int);
 
+struct gss_api_mech * gss_mech_get(struct gss_api_mech *);
+
 /* For every successful gss_mech_get or gss_mech_get_by_* call there must be a
  * corresponding call to gss_mech_put. */
 void gss_mech_put(struct gss_api_mech *);
diff --git a/include/linux/sunrpc/rpc_pipe_fs.h b/include/linux/sunrpc/rpc_pipe_fs.h
index a7b422b33eda..aa5b582cc471 100644
--- a/include/linux/sunrpc/rpc_pipe_fs.h
+++ b/include/linux/sunrpc/rpc_pipe_fs.h
@@ -73,12 +73,12 @@ extern ssize_t rpc_pipe_generic_upcall(struct file *, struct rpc_pipe_msg *,
 extern int rpc_queue_upcall(struct rpc_pipe *, struct rpc_pipe_msg *);
 
 struct rpc_clnt;
-extern struct dentry *rpc_create_client_dir(struct dentry *, struct qstr *, struct rpc_clnt *);
+extern struct dentry *rpc_create_client_dir(struct dentry *, const char *, struct rpc_clnt *);
 extern int rpc_remove_client_dir(struct dentry *);
 
 struct cache_detail;
 extern struct dentry *rpc_create_cache_dir(struct dentry *,
-                                           struct qstr *,
+                                           const char *,
                                            umode_t umode,
                                            struct cache_detail *);
 extern void rpc_remove_cache_dir(struct dentry *);
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index 84ca436b76c2..6d870353674a 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -88,15 +88,6 @@ struct rpc_task {
                                 tk_rebind_retry : 2;
 };
 
-/* support walking a list of tasks on a wait queue */
-#define task_for_each(task, pos, head) \
-        list_for_each(pos, head) \
-                if ((task=list_entry(pos, struct rpc_task, u.tk_wait.list)),1)
-
-#define task_for_first(task, head) \
-        if (!list_empty(head) &&  \
-            ((task=list_entry((head)->next, struct rpc_task, u.tk_wait.list)),1))
-
 typedef void                    (*rpc_action)(struct rpc_task *);
 
 struct rpc_call_ops {
@@ -238,7 +229,6 @@ struct rpc_task *rpc_wake_up_first(struct rpc_wait_queue *,
                                         bool (*)(struct rpc_task *, void *),
                                         void *);
 void            rpc_wake_up_status(struct rpc_wait_queue *, int);
-int             rpc_queue_empty(struct rpc_wait_queue *);
 void            rpc_delay(struct rpc_task *, unsigned long);
 void *          rpc_malloc(struct rpc_task *, size_t);
 void            rpc_free(void *);
@@ -259,16 +249,6 @@ static inline int rpc_wait_for_completion_task(struct rpc_task *task)
         return __rpc_wait_for_completion_task(task, NULL);
 }
 
-static inline void rpc_task_set_priority(struct rpc_task *task, unsigned char prio)
-{
-        task->tk_priority = prio - RPC_PRIORITY_LOW;
-}
-
-static inline int rpc_task_has_priority(struct rpc_task *task, unsigned char prio)
-{
-        return (task->tk_priority + RPC_PRIORITY_LOW == prio);
-}
-
 #if defined(RPC_DEBUG) || defined (RPC_TRACEPOINTS)
 static inline const char * rpc_qname(const struct rpc_wait_queue *q)
 {
diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h
index ff374ab30839..8d71d6577459 100644
--- a/include/linux/sunrpc/svcauth.h
+++ b/include/linux/sunrpc/svcauth.h
@@ -14,6 +14,7 @@
 #include <linux/string.h>
 #include <linux/sunrpc/msg_prot.h>
 #include <linux/sunrpc/cache.h>
+#include <linux/sunrpc/gss_api.h>
 #include <linux/hash.h>
 #include <linux/cred.h>
 
@@ -23,13 +24,23 @@ struct svc_cred {
         struct group_info       *cr_group_info;
         u32                     cr_flavor; /* pseudoflavor */
         char                    *cr_principal; /* for gss */
+        struct gss_api_mech     *cr_gss_mech;
 };
 
+static inline void init_svc_cred(struct svc_cred *cred)
+{
+        cred->cr_group_info = NULL;
+        cred->cr_principal = NULL;
+        cred->cr_gss_mech = NULL;
+}
+
 static inline void free_svc_cred(struct svc_cred *cred)
 {
         if (cred->cr_group_info)
                 put_group_info(cred->cr_group_info);
         kfree(cred->cr_principal);
+        gss_mech_put(cred->cr_gss_mech);
+        init_svc_cred(cred);
 }
 
 struct svc_rqst;                /* forward decl */