fs: dcache remove dcache_lock

dcache_lock no longer protects anything. remove it.

Signed-off-by: Nick Piggin <npiggin@kernel.dk>

1 files changed, 2 insertions, 3 deletions

diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index c963ebada922..a2ceb94b0e38 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -183,7 +183,6 @@ struct dentry_operations {
 #define DCACHE_GENOCIDE         0x0200
 
 extern spinlock_t dcache_inode_lock;
-extern spinlock_t dcache_lock;
 extern seqlock_t rename_lock;
 
 static inline int dname_external(struct dentry *dentry)
@@ -296,8 +295,8 @@ extern char *dentry_path(struct dentry *, char *, int);
  *      destroyed when it has references. dget() should never be
  *      called for dentries with zero reference counter. For these cases
  *      (preferably none, functions in dcache.c are sufficient for normal
- *      needs and they take necessary precautions) you should hold dcache_lock
- *      and call dget_locked() instead of dget().
+ *      needs and they take necessary precautions) you should hold d_lock
+ *      and call dget_dlock() instead of dget().
  */
 static inline struct dentry *dget_dlock(struct dentry *dentry)
 {