staging: lustre: remove ll_dentry_open()

It was a wrapper around dentry_open(), totally useless.

Cc: Peng Tao <tao.peng@emc.com>
Cc: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/include/linux/lustre_compat25.h

@@ -92,8 +92,6 @@ static inline void ll_set_fs_pwd(struct fs_struct *fs, struct vfsmount *mnt,
 # define ll_generic_permission(inode, mask, flags, check_acl) \
 	 generic_permission(inode, mask)
 
-#define ll_dentry_open(a,b,c)	dentry_open(a,b,c)
-
 #define ll_vfs_symlink(dir, dentry, mnt, path, mode) \
 		       vfs_symlink(dir, dentry, path)
 

drivers/staging/lustre/lustre/lvfs/lvfs_linux.c

@@ -238,7 +238,7 @@ struct l_file *l_dentry_open(struct lvfs_run_ctxt *ctxt, struct l_dentry *de,
 		.dentry = de,
 		.mnt = ctxt->pwdmnt,
 	};
-	return ll_dentry_open(&path, flags, current_cred());
+	return dentry_open(&path, flags, current_cred());
 }
 EXPORT_SYMBOL(l_dentry_open);