[PATCH 4/5] Unionfs: Clarification comment for unionfs_lookup

[Josef 'Jeff' Sipek]

From: Erez Zadok <ezk@xxxxxxxxxxxxx>

Signed-off-by: Erez Zadok <ezk@xxxxxxxxxxxxx>
Signed-off-by: Josef 'Jeff' Sipek <jsipek@xxxxxxxxxxxxx>
---
 fs/unionfs/inode.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/fs/unionfs/inode.c b/fs/unionfs/inode.c
index f946b33..a86da5b 100644
--- a/fs/unionfs/inode.c
+++ b/fs/unionfs/inode.c
@@ -217,6 +217,11 @@ out:
 	return err;
 }
 
+/*
+ * unionfs_lookup is the only special function which takes a dentry, yet we
+ * do NOT want to call __unionfs_d_revalidate_chain because by definition,
+ * we don't have a valid dentry here yet.
+ */
 static struct dentry *unionfs_lookup(struct inode *parent,
 				     struct dentry *dentry,
 				     struct nameidata *nd)
-- 
1.5.2.2.238.g7cbf2f2

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