LU-13765 osd-ldiskfs: Rename dt_declare_falloc to dt_declare_fallocate

[fs/lustre-release.git] / lustre / include / obd_target.h

diff --git a/lustre/include/obd_target.h b/lustre/include/obd_target.h
index 968a508..406f408 100644 (file)
--- 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
  */
@@ -26,7 +22,7 @@
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2011, 2012, Intel, Inc.
+ * Copyright (c) 2011, 2014, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -35,6 +31,7 @@
 
 #ifndef __OBD_TARGET_H
 #define __OBD_TARGET_H
+#include <lprocfs_status.h>
 
 /* server-side individual type definitions */
 
@@ -46,25 +43,21 @@ struct obd_device_target {
        struct lu_target       *obt_lut;
        __u64                   obt_mount_count;
        struct obd_job_stats    obt_jobstats;
+       struct nm_config_file   *obt_nodemap_config_file;
 };
 
 #define OBJ_SUBDIR_COUNT 32 /* set to zero for no subdirs */
 
 struct filter_obd {
        /* NB this field MUST be first */
-       struct obd_device_target        fo_obt;
-
-       /* capability related */
-       unsigned int                    fo_fl_oss_capa;
-       cfs_list_t                      fo_capa_keys;
-       cfs_hlist_head_t               *fo_capa_hash;
+       struct obd_device_target         fo_obt;
 };
 
 struct echo_obd {
        struct obd_device_target        eo_obt;
        struct obdo                     eo_oa;
        spinlock_t                      eo_lock;
-       __u64                           eo_lastino;
+       u64                             eo_lastino;
        struct lustre_handle            eo_nl_lock;
        atomic_t                        eo_prep;
 };
@@ -78,4 +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 */