diff options
Diffstat (limited to 'net/rds/ib_rdma.c')
| -rw-r--r-- | net/rds/ib_rdma.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c index 00f3995351c..0eb597670c5 100644 --- a/net/rds/ib_rdma.c +++ b/net/rds/ib_rdma.c @@ -691,6 +691,26 @@ out_nolock: return ret; } +struct workqueue_struct *rds_ib_fmr_wq; + +int __init rds_ib_fmr_init(void) +{ + rds_ib_fmr_wq = create_workqueue("rds_fmr_flushd"); + if (!rds_ib_fmr_wq) + return -ENOMEM; + return 0; +} + +/* + * By the time this is called all the IB devices should have been torn down and + * had their pools freed. As each pool is freed its work struct is waited on, + * so the pool flushing work queue should be idle by the time we get here. + */ +void __exit rds_ib_fmr_exit(void) +{ + destroy_workqueue(rds_ib_fmr_wq); +} + static void rds_ib_mr_pool_flush_worker(struct work_struct *work) { struct rds_ib_mr_pool *pool = container_of(work, struct rds_ib_mr_pool, flush_worker.work); @@ -718,7 +738,7 @@ void rds_ib_free_mr(void *trans_private, int invalidate) /* If we've pinned too many pages, request a flush */ if (atomic_read(&pool->free_pinned) >= pool->max_free_pinned || atomic_read(&pool->dirty_count) >= pool->max_items / 10) - queue_delayed_work(rds_wq, &pool->flush_worker, 10); + queue_delayed_work(rds_ib_fmr_wq, &pool->flush_worker, 10); if (invalidate) { if (likely(!in_interrupt())) { @@ -726,7 +746,8 @@ void rds_ib_free_mr(void *trans_private, int invalidate) } else { /* We get here if the user created a MR marked * as use_once and invalidate at the same time. */ - queue_delayed_work(rds_wq, &pool->flush_worker, 10); + queue_delayed_work(rds_ib_fmr_wq, + &pool->flush_worker, 10); } } |