fs: dcache remove dcache_lock

dcache_lock no longer protects anything. remove it.

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

1 files changed, 0 insertions, 3 deletions

diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index 78c0ebb0b07c..74aaf3963c10 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -60,7 +60,6 @@ rename_retry:
 
         seq = read_seqbegin(&rename_lock);
         rcu_read_lock();
-        spin_lock(&dcache_lock);
         while (!IS_ROOT(dentry) && dentry != droot) {
                 namelen = dentry->d_name.len;
                 buflen -= namelen + 1;
@@ -71,7 +70,6 @@ rename_retry:
                 *--end = '/';
                 dentry = dentry->d_parent;
         }
-        spin_unlock(&dcache_lock);
         rcu_read_unlock();
         if (read_seqretry(&rename_lock, seq))
                 goto rename_retry;
@@ -91,7 +89,6 @@ rename_retry:
         memcpy(end, base, namelen);
         return end;
 Elong_unlock:
-        spin_unlock(&dcache_lock);
         rcu_read_unlock();
         if (read_seqretry(&rename_lock, seq))
                 goto rename_retry;