vfs: constify dentry parameter in d_count()

bergwolf · Al Viro · commit 24924a20dab6 · 2013-07-20T05:06:27.000+04:00
so that it can be used in places like d_compare/d_hash
without causing a compiler warning.

Signed-off-by: Peng Tao &lt;tao.peng@emc.com&gt;
Signed-off-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
@@ -324,7 +324,7 @@ static inline int __d_rcu_to_refcount(struct dentry *dentry, unsigned seq)
 	return ret;
 }
 
-static inline unsigned d_count(struct dentry *dentry)
+static inline unsigned d_count(const struct dentry *dentry)
 {
 	return dentry->d_count;
 }

Original file line number	Diff line number	Diff line change
`@@ -324,7 +324,7 @@ static inline int __d_rcu_to_refcount(struct dentry *dentry, unsigned seq)`
`324`	`324`	`return ret;`
`325`	`325`	`}`
`326`	`326`
`327`		`-static inline unsigned d_count(struct dentry *dentry)`
	`327`	`+static inline unsigned d_count(const struct dentry *dentry)`
`328`	`328`	`{`
`329`	`329`	`return dentry->d_count;`
`330`	`330`	`}`