X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Fobd_target.h;h=406f4083496f59840b4ce85bbcc05c7918b42b23;hb=6a2b9ef84274e319bce9a367cb0261aff3ae636b;hp=fb2cb6e9ed3a3f0a491accb49619358a150bb9ac;hpb=928714dddabb2dbc4fc93101f23eaa671099dbea;p=fs%2Flustre-release.git

diff --git a/lustre/include/obd_target.h b/lustre/include/obd_target.h
index fb2cb6e..406f408 100644
--- a/lustre/include/obd_target.h
+++ b/lustre/include/obd_target.h
@@ -14,11 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -35,6 +31,7 @@
 
 #ifndef __OBD_TARGET_H
 #define __OBD_TARGET_H
+#include <lprocfs_status.h>
 
 /* server-side individual type definitions */
 
@@ -74,4 +71,20 @@ struct ost_obd {
 	struct mutex		 ost_health_mutex;
 };
 
+/* Generic subset of tgts */
+struct lu_tgt_pool {
+	__u32		   *op_array;	/* array of index of
+					 * lov_obd->lov_tgts */
+	unsigned int	    op_count;	/* number of tgts in the array */
+	unsigned int	    op_size;	/* allocated size of op_array */
+	struct rw_semaphore op_rw_sem;	/* to protect lu_tgt_pool use */
+};
+
+int tgt_pool_init(struct lu_tgt_pool *op, unsigned int count);
+int tgt_pool_add(struct lu_tgt_pool *op, __u32 idx, unsigned int min_count);
+int tgt_pool_remove(struct lu_tgt_pool *op, __u32 idx);
+int tgt_pool_free(struct lu_tgt_pool *op);
+int tgt_check_index(int idx, struct lu_tgt_pool *osts);
+int tgt_pool_extend(struct lu_tgt_pool *op, unsigned int min_count);
+
 #endif /* __OBD_TARGET_H */