[PATCH 14/21] Unionfs: Document unionfs_d_release locking

["Josef 'Jeff' Sipek" <jsipek@cs.sunysb.edu>]

Signed-off-by: Josef 'Jeff' Sipek <jsipek@cs.sunysb.edu>
---
 fs/unionfs/dentry.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/fs/unionfs/dentry.c b/fs/unionfs/dentry.c
index c841f08..4756b78 100644
--- a/fs/unionfs/dentry.c
+++ b/fs/unionfs/dentry.c
@@ -286,6 +286,10 @@ static int unionfs_d_revalidate(struct dentry *dentry, struct nameidata *nd)
 	return err;
 }
 
+/*
+ * At this point no one can reference this dentry, so we don't have to be
+ * careful about concurrent access.
+ */
 static void unionfs_d_release(struct dentry *dentry)
 {
 	int bindex, bstart, bend;
-- 
1.5.0.3.268.g3dda

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