From 5ea167dcd7bb8a8fe27b11739edf267463580bfc Mon Sep 17 00:00:00 2001 From: "kfraser@localhost.localdomain" Date: Thu, 3 May 2007 19:25:47 +0100 Subject: [PATCH] blktap: Fix qcow max_aio_reqs calculation. Signed-off-by: Keir Fraser --- tools/blktap/drivers/block-qcow.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/blktap/drivers/block-qcow.c b/tools/blktap/drivers/block-qcow.c index 68aa508374..5eaf141758 100644 --- a/tools/blktap/drivers/block-qcow.c +++ b/tools/blktap/drivers/block-qcow.c @@ -199,7 +199,8 @@ static int init_aio_state(struct disk_driver *dd) } /* A segment (i.e. a page) can span multiple clusters */ - s->max_aio_reqs = (getpagesize() / s->cluster_size) + 1; + s->max_aio_reqs = ((getpagesize() / s->cluster_size) + 1) * + MAX_SEGMENTS_PER_REQ * MAX_REQUESTS; /* Initialize AIO */ s->iocb_free_count = s->max_aio_reqs; -- 2.30.2