---

yaml --- r: 42888 b: refs/heads/master c: b342341 h: refs/heads/master v: v3
git-mirror · Dec 7, 2006 · 1bd80e8 · 1bd80e8
1 parent b192171
commit 1bd80e8
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Showing 2 changed files with 13 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d18de5a2721f84ffd6a5d637915746ed47becc1c
+refs/heads/master: b3423415fbc2e5461605826317da1c8dbbf21f97
diff --git a/trunk/fs/dcache.c b/trunk/fs/dcache.c
@@ -68,15 +68,19 @@ struct dentry_stat_t dentry_stat = {
 	.age_limit = 45,
 };
 
-static void d_callback(struct rcu_head *head)
+static void __d_free(struct dentry *dentry)
 {
-	struct dentry * dentry = container_of(head, struct dentry, d_u.d_rcu);
-
 	if (dname_external(dentry))
 		kfree(dentry->d_name.name);
 	kmem_cache_free(dentry_cache, dentry); 
 }
 
+static void d_callback(struct rcu_head *head)
+{
+	struct dentry * dentry = container_of(head, struct dentry, d_u.d_rcu);
+	__d_free(dentry);
+}
+
 /*
  * no dcache_lock, please.  The caller must decrement dentry_stat.nr_dentry
  * inside dcache_lock.
@@ -85,7 +89,11 @@ static void d_free(struct dentry *dentry)
 {
 	if (dentry->d_op && dentry->d_op->d_release)
 		dentry->d_op->d_release(dentry);
- 	call_rcu(&dentry->d_u.d_rcu, d_callback);
+	/* if dentry was never inserted into hash, immediate free is OK */
+	if (dentry->d_hash.pprev == NULL)
+		__d_free(dentry);
+	else
+		call_rcu(&dentry->d_u.d_rcu, d_callback);
 }
 
 /*