fs: dcache remove dcache_lock

dcache_lock no longer protects anything. remove it.

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

2 files changed, 1 insertions, 7 deletions

diff --git a/fs/configfs/configfs_internal.h b/fs/configfs/configfs_internal.h
index e58b4c30e216..026cf68553a4 100644
--- a/fs/configfs/configfs_internal.h
+++ b/fs/configfs/configfs_internal.h
@@ -120,7 +120,6 @@ static inline struct config_item *configfs_get_config_item(struct dentry *dentry
 {
         struct config_item * item = NULL;
 
-        spin_lock(&dcache_lock);
         spin_lock(&dentry->d_lock);
         if (!d_unhashed(dentry)) {
                 struct configfs_dirent * sd = dentry->d_fsdata;
@@ -131,7 +130,6 @@ static inline struct config_item *configfs_get_config_item(struct dentry *dentry
                         item = config_item_get(sd->s_element);
         }
         spin_unlock(&dentry->d_lock);
-        spin_unlock(&dcache_lock);
 
         return item;
 }
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index 79b37765d8ff..fb3a55fff82a 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -250,18 +250,14 @@ void configfs_drop_dentry(struct configfs_dirent * sd, struct dentry * parent)
         struct dentry * dentry = sd->s_dentry;
 
         if (dentry) {
-                spin_lock(&dcache_lock);
                 spin_lock(&dentry->d_lock);
                 if (!(d_unhashed(dentry) && dentry->d_inode)) {
                         dget_locked_dlock(dentry);
                         __d_drop(dentry);
                         spin_unlock(&dentry->d_lock);
-                        spin_unlock(&dcache_lock);
                         simple_unlink(parent->d_inode, dentry);
-                } else {
+                } else
                         spin_unlock(&dentry->d_lock);
-                        spin_unlock(&dcache_lock);
-                }
         }
 }