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, 4 deletions

diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index 84b8c460a781..53a5c08fb63c 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -47,24 +47,20 @@ find_acceptable_alias(struct dentry *result,
         if (acceptable(context, result))
                 return result;
 
-        spin_lock(&dcache_lock);
         spin_lock(&dcache_inode_lock);
         list_for_each_entry(dentry, &result->d_inode->i_dentry, d_alias) {
                 dget_locked(dentry);
                 spin_unlock(&dcache_inode_lock);
-                spin_unlock(&dcache_lock);
                 if (toput)
                         dput(toput);
                 if (dentry != result && acceptable(context, dentry)) {
                         dput(result);
                         return dentry;
                 }
-                spin_lock(&dcache_lock);
                 spin_lock(&dcache_inode_lock);
                 toput = dentry;
         }
         spin_unlock(&dcache_inode_lock);
-        spin_unlock(&dcache_lock);
 
         if (toput)
                 dput(toput);