Commit ef5217a6 authored Aug 25, 2015 by santosh.shilimkar@oracle.com Committed by David S. Miller Aug 25, 2015

RDS: flush the FMR pool less often



FMR flush is an expensive and time consuming operation. Reduce the
frequency of FMR pool flush by 50% so that more FMR work gets accumulated
for more efficient flushing.

Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent ad1d7dc0

net/rds/ib_rdma.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -737,7 +737,7 @@ 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)
		atomic_read(&pool->dirty_count) >= pool->max_items / 5)
		queue_delayed_work(rds_ib_fmr_wq, &pool->flush_worker, 10);

		if (invalidate) {