staging/lustre: remove dt_object implementation

Nothing uses dt_object now, so we can kill the implementation
and the stale references.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/fid/lproc_fid.c

@@ -47,7 +47,6 @@
 
 #include "../include/obd.h"
 #include "../include/obd_class.h"
-#include "../include/dt_object.h"
 #include "../include/obd_support.h"
 #include "../include/lustre_req_layout.h"
 #include "../include/lustre_fid.h"

drivers/staging/lustre/lustre/fld/fld_cache.c

@@ -53,7 +53,6 @@
 #include "../include/obd_support.h"
 #include "../include/lprocfs_status.h"
 
-#include "../include/dt_object.h"
 #include "../include/lustre_req_layout.h"
 #include "../include/lustre_fld.h"
 #include "fld_internal.h"

drivers/staging/lustre/lustre/fld/fld_internal.h

@@ -42,7 +42,6 @@
 #define __FLD_INTERNAL_H
 
 #include "../include/lustre/lustre_idl.h"
-#include "../include/dt_object.h"
 
 #include "../../include/linux/libcfs/libcfs.h"
 #include "../include/lustre_req_layout.h"
@@ -175,8 +174,6 @@ void fld_dump_cache_entries(struct fld_cache *cache);
 struct fld_cache_entry
 *fld_cache_entry_lookup_nolock(struct fld_cache *cache,
 			      struct lu_seq_range *range);
-int fld_write_range(const struct lu_env *env, struct dt_object *dt,
-		    const struct lu_seq_range *range, struct thandle *th);
 
 static inline const char *
 fld_target_name(struct lu_fld_target *tar)

drivers/staging/lustre/lustre/fld/fld_request.c

@@ -52,7 +52,6 @@
 #include "../include/obd_support.h"
 #include "../include/lprocfs_status.h"
 
-#include "../include/dt_object.h"
 #include "../include/lustre_req_layout.h"
 #include "../include/lustre_fld.h"
 #include "../include/lustre_mdc.h"

drivers/staging/lustre/lustre/fld/lproc_fld.c

@@ -48,7 +48,6 @@
 
 #include "../include/obd.h"
 #include "../include/obd_class.h"
-#include "../include/dt_object.h"
 #include "../include/obd_support.h"
 #include "../include/lustre_req_layout.h"
 #include "../include/lustre_fld.h"

drivers/staging/lustre/lustre/include/lustre_fid.h

@@ -389,9 +389,6 @@ struct lu_server_seq {
 	 */
 	struct dt_device       *lss_dev;
 
-	/* /seq file object device */
-	struct dt_object       *lss_obj;
-
 	/* LUSTRE_SEQ_SERVER or LUSTRE_SEQ_CONTROLLER */
 	enum lu_mgr_type       lss_type;
 

drivers/staging/lustre/lustre/include/lustre_fld.h

@@ -70,10 +70,6 @@ struct lu_fld_target {
 };
 
 struct lu_server_fld {
-	/**
-	 * /fld file object device */
-	struct dt_object	*lsf_obj;
-
 	/**
 	 * super sequence controller export, needed to forward fld
 	 * lookup  request. */

drivers/staging/lustre/lustre/include/obd.h

@@ -336,9 +336,6 @@ struct client_obd {
 	struct mdc_rpc_lock     *cl_close_lock;
 
 	/* mgc datastruct */
-	struct mutex		 cl_mgc_mutex;
-	struct local_oid_storage *cl_mgc_los;
-	struct dt_object	*cl_mgc_configs_dir;
 	atomic_t	     cl_mgc_refcount;
 	struct obd_export       *cl_mgc_mgsexp;
 

drivers/staging/lustre/lustre/ldlm/ldlm_lib.c

@@ -335,7 +335,6 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg)
 	}
 
 	init_rwsem(&cli->cl_sem);
-	mutex_init(&cli->cl_mgc_mutex);
 	cli->cl_conn_count = 0;
 	memcpy(server_uuid.uuid, lustre_cfg_buf(lcfg, 2),
 	       min_t(unsigned int, LUSTRE_CFG_BUFLEN(lcfg, 2),

drivers/staging/lustre/lustre/obdclass/Makefile

@@ -5,5 +5,5 @@ obdclass-y := linux/linux-module.o linux/linux-obdo.o linux/linux-sysctl.o \
 	      genops.o uuid.o lprocfs_status.o \
 	      lustre_handles.o lustre_peer.o \
 	      statfs_pack.o obdo.o obd_config.o obd_mount.o \
-	      lu_object.o dt_object.o capa.o cl_object.o   \
+	      lu_object.o capa.o cl_object.o   \
 	      cl_page.o cl_lock.o cl_io.o lu_ref.o acl.o lprocfs_counters.o