commit fe1d7009269db12a922bb53db144339244679d6b
Author: Erez_Zadok <[EMAIL PROTECTED]>
Date: Mon May 28 20:08:20 2007 -0400
documentation: expand comments to unionfs_lookup_backend
Signed-off-by: Erez Zadok <[EMAIL PROTECTED]>
Conflicts:
fs/unionfs/lookup.c
diff --git a/fs/unionfs/lookup.c b/fs/unionfs/lookup.c
index f8e4eb0..ad78e66 100644
--- a/fs/unionfs/lookup.c
+++ b/fs/unionfs/lookup.c
@@ -19,8 +19,15 @@
#include "union.h"
/* The rest of these are utility functions for lookup. */
-struct dentry *unionfs_lookup_backend(struct dentry *dentry, struct nameidata
*nd,
- int lookupmode)
+
+/*
+ * Main (and complex) driver function for Unionfs's lookup
+ *
+ * Returns: NULL (ok), ERR_PTR if an error occurred, or a non-null non-error
+ * PTR if d_splice returned a different dentry.
+ */
+struct dentry *unionfs_lookup_backend(struct dentry *dentry,
+ struct nameidata *nd, int lookupmode)
{
int err = 0;
struct dentry *hidden_dentry = NULL;
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