LU-8130 lov: convert lo[v|d]_pool to use rhashtable

[fs/lustre-release.git] / lustre / lov / lov_internal.h

diff --git a/lustre/lov/lov_internal.h b/lustre/lov/lov_internal.h
index 2307d10..ae80402 100644 (file)
--- a/lustre/lov/lov_internal.h
+++ b/lustre/lov/lov_internal.h
@@ -236,12 +236,16 @@ struct pool_desc {
        char                     pool_name[LOV_MAXPOOLNAME + 1];
        struct lu_tgt_pool       pool_obds;
        atomic_t                 pool_refcount;
-       struct hlist_node        pool_hash;     /* access by poolname */
+       struct rhash_head        pool_hash;     /* access by poolname */
        struct list_head         pool_list;     /* serial access */
+       struct rcu_head          pool_rcu;
        struct proc_dir_entry   *pool_proc_entry;
        struct obd_device       *pool_lobd;     /* owner */
 };
 
+int lov_pool_hash_init(struct rhashtable *tbl);
+void lov_pool_hash_destroy(struct rhashtable *tbl);
+
 struct lov_request {
        struct obd_info          rq_oi;
        struct lov_request_set  *rq_rqset;
@@ -331,8 +335,6 @@ extern struct lu_device_type lov_device_type;
 
 #define LOV_MDC_TGT_MAX 256
 
-/* pools */
-extern struct cfs_hash_ops pool_hash_operations;
 /* lu_tgt_pool methods */
 int lov_ost_pool_init(struct lu_tgt_pool *op, unsigned int count);
 int lov_ost_pool_extend(struct lu_tgt_pool *op, unsigned int min_count);