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authorNamhyung Kim <namhyung@kernel.org>2025-02-05 14:57:18 -0800
committerNamhyung Kim <namhyung@kernel.org>2025-02-05 14:57:18 -0800
commit9e676a024fa1fa2bd8150c2d2ba85478280353bc (patch)
tree5cf0e1d4ab27002fcafdc7dc5bdfdd9ff3f3c9f1 /include/linux/lockref.h
parent357b965deba9fb71467413e473764ec4e1694d8d (diff)
parent2014c95afecee3e76ca4a56956a936e23283f05b (diff)
Merge tag 'v6.14-rc1' into perf-tools-next
To get the various fixes in the current master. Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'include/linux/lockref.h')
-rw-r--r--include/linux/lockref.h26
1 files changed, 18 insertions, 8 deletions
diff --git a/include/linux/lockref.h b/include/linux/lockref.h
index c3a1f78bc884..c39f119659ba 100644
--- a/include/linux/lockref.h
+++ b/include/linux/lockref.h
@@ -34,14 +34,24 @@ struct lockref {
};
};
-extern void lockref_get(struct lockref *);
-extern int lockref_put_return(struct lockref *);
-extern int lockref_get_not_zero(struct lockref *);
-extern int lockref_put_not_zero(struct lockref *);
-extern int lockref_put_or_lock(struct lockref *);
-
-extern void lockref_mark_dead(struct lockref *);
-extern int lockref_get_not_dead(struct lockref *);
+/**
+ * lockref_init - Initialize a lockref
+ * @lockref: pointer to lockref structure
+ * @count: initial count
+ */
+static inline void lockref_init(struct lockref *lockref, unsigned int count)
+{
+ spin_lock_init(&lockref->lock);
+ lockref->count = count;
+}
+
+void lockref_get(struct lockref *lockref);
+int lockref_put_return(struct lockref *lockref);
+bool lockref_get_not_zero(struct lockref *lockref);
+bool lockref_put_or_lock(struct lockref *lockref);
+
+void lockref_mark_dead(struct lockref *lockref);
+bool lockref_get_not_dead(struct lockref *lockref);
/* Must be called under spinlock for reliable results */
static inline bool __lockref_is_dead(const struct lockref *l)