dcache: Don't set DISCONNECTED on "pseudo filesystem" dentries

[pandora-kernel.git] / fs / dcache.c

diff --git a/fs/dcache.c b/fs/dcache.c
index c2add37..67662be 100644 (file)
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1607,12 +1607,17 @@ struct dentry *d_alloc(struct dentry * parent, const struct qstr *name)
 }
 EXPORT_SYMBOL(d_alloc);
 
+/**
+ * d_alloc_pseudo - allocate a dentry (for lookup-less filesystems)
+ * @sb: the superblock
+ * @name: qstr of the name
+ *
+ * For a filesystem that just pins its dentries in memory and never
+ * performs lookups at all, return an unhashed IS_ROOT dentry.
+ */
 struct dentry *d_alloc_pseudo(struct super_block *sb, const struct qstr *name)
 {
-       struct dentry *dentry = __d_alloc(sb, name);
-       if (dentry)
-               dentry->d_flags |= DCACHE_DISCONNECTED;
-       return dentry;
+       return __d_alloc(sb, name);
 }
 EXPORT_SYMBOL(d_alloc_pseudo);