fs: dcache remove dcache_lock

dcache_lock no longer protects anything. remove it.

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

1 files changed, 4 insertions, 3 deletions

diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c
index 4be8f778a41..c5f8459c905 100644
--- a/fs/autofs4/waitq.c
+++ b/fs/autofs4/waitq.c
@@ -194,14 +194,15 @@ static int autofs4_getpath(struct autofs_sb_info *sbi,
 rename_retry:
         buf = *name;
         len = 0;
+
         seq = read_seqbegin(&rename_lock);
         rcu_read_lock();
-        spin_lock(&dcache_lock);
+        spin_lock(&autofs4_lock);
         for (tmp = dentry ; tmp != root ; tmp = tmp->d_parent)
                 len += tmp->d_name.len + 1;
 
         if (!len || --len > NAME_MAX) {
-                spin_unlock(&dcache_lock);
+                spin_unlock(&autofs4_lock);
                 rcu_read_unlock();
                 if (read_seqretry(&rename_lock, seq))
                         goto rename_retry;
@@ -217,7 +218,7 @@ rename_retry:
                 p -= tmp->d_name.len;
                 strncpy(p, tmp->d_name.name, tmp->d_name.len);
         }
-        spin_unlock(&dcache_lock);
+        spin_unlock(&autofs4_lock);
         rcu_read_unlock();
         if (read_seqretry(&rename_lock, seq))
                 goto rename_retry;