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/ceph/inode.c b/fs/ceph/inode.c
index 2c6944473366..2a48cafc174b 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -841,7 +841,6 @@ static void ceph_set_dentry_offset(struct dentry *dn)
         di->offset = ceph_inode(inode)->i_max_offset++;
         spin_unlock(&inode->i_lock);
 
-        spin_lock(&dcache_lock);
         spin_lock(&dir->d_lock);
         spin_lock_nested(&dn->d_lock, DENTRY_D_LOCK_NESTED);
         list_move(&dn->d_u.d_child, &dir->d_subdirs);
@@ -849,7 +848,6 @@ static void ceph_set_dentry_offset(struct dentry *dn)
              dn->d_u.d_child.prev, dn->d_u.d_child.next);
         spin_unlock(&dn->d_lock);
         spin_unlock(&dir->d_lock);
-        spin_unlock(&dcache_lock);
 }
 
 /*
@@ -1233,13 +1231,11 @@ retry_lookup:
                         goto retry_lookup;
                 } else {
                         /* reorder parent's d_subdirs */
-                        spin_lock(&dcache_lock);
                         spin_lock(&parent->d_lock);
                         spin_lock_nested(&dn->d_lock, DENTRY_D_LOCK_NESTED);
                         list_move(&dn->d_u.d_child, &parent->d_subdirs);
                         spin_unlock(&dn->d_lock);
                         spin_unlock(&parent->d_lock);
-                        spin_unlock(&dcache_lock);
                 }
 
                 di = dn->d_fsdata;