This patch adds a new helper function d_count() in dcache.h for
returning the current reference count of the dentry object. It
should be used by all the files outside of the core dcache.c and
namei.c files.
Signed-off-by: Waiman Long <waiman.l...@hp.com>
---
include/linux/dcache.h | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index f42dbe1..7c6bbf0 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -258,6 +258,16 @@ extern int have_submounts(struct dentry *);
extern void d_rehash(struct dentry *);
/**
+ * d_count - return the reference count in dentry
+ * @entry: dentry pointer
+ * Returns: current value of reference count
+ */
+static inline unsigned int d_count(struct dentry *entry)
+{
+ return entry->d_count;
+}
+
+/**
* d_add - add dentry to hash queues
* @entry: dentry to add
* @inode: The inode to attach to this dentry
--
1.7.1
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