LU-11023 quota: quota pools for OSTs

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

diff --git a/lustre/include/obd_target.h b/lustre/include/obd_target.h
index 79f29dd..406f408 100644 (file)
--- a/lustre/include/obd_target.h
+++ b/lustre/include/obd_target.h
@@ -31,6 +31,7 @@
 
 #ifndef __OBD_TARGET_H
 #define __OBD_TARGET_H
+#include <lprocfs_status.h>
 
 /* server-side individual type definitions */
 
@@ -70,4 +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 */