Improve write issue taskqs utilization

[mirror_zfs.git] / include / sys / spa_impl.h

diff --git a/include/sys/spa_impl.h b/include/sys/spa_impl.h
index d7da085ab3131c8f586e5e266b6c1166293602cf..a40914ec5fcb0c4b8ed6037b470fced8db33ce61 100644 (file)
--- a/include/sys/spa_impl.h
+++ b/include/sys/spa_impl.h
@@ -63,6 +63,12 @@ typedef struct spa_alloc {
        avl_tree_t      spaa_tree;
 } ____cacheline_aligned spa_alloc_t;
 
+typedef struct spa_allocs_use {
+       kmutex_t        sau_lock;
+       uint_t          sau_rotor;
+       boolean_t       sau_inuse[];
+} spa_allocs_use_t;
+
 typedef struct spa_error_entry {
        zbookmark_phys_t        se_bookmark;
        char                    *se_name;
@@ -192,7 +198,7 @@ typedef struct spa_taskqs {
 /* one for each thread in the spa sync taskq */
 typedef struct spa_syncthread_info {
        kthread_t       *sti_thread;
-       taskq_t         *sti_wr_iss_tq;         /* assigned wr_iss taskq */
+       uint_t          sti_allocator;
 } spa_syncthread_info_t;
 
 typedef enum spa_all_vdev_zap_action {
@@ -270,6 +276,7 @@ struct spa {
         * allocation performance in write-heavy workloads.
         */
        spa_alloc_t     *spa_allocs;
+       spa_allocs_use_t *spa_allocs_use;
        int             spa_alloc_count;
        int             spa_active_allocator;   /* selectable allocator */