Re: [PATCH] io-controller: Fix task hanging when there are more thanone groups

From: Gui Jianfeng
Date: Wed Sep 23 2009 - 21:12:53 EST


Hi Vivek,

Currently, we just set this flag when anticipating next request.
So make sure we remove this flag also in this case.

Signed-off-by: Gui Jianfeng <guijianfeng@xxxxxxxxxxxxxx>
---
block/as-iosched.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/block/as-iosched.c b/block/as-iosched.c
index 5868e72..7a64232 100644
--- a/block/as-iosched.c
+++ b/block/as-iosched.c
@@ -728,9 +728,10 @@ static void as_antic_stop(struct as_data *ad)
as_log(ad, "as_antic_stop antic_status=%d", ad->antic_status);

if (status == ANTIC_WAIT_REQ || status == ANTIC_WAIT_NEXT) {
- if (status == ANTIC_WAIT_NEXT)
+ if (status == ANTIC_WAIT_NEXT) {
del_timer(&ad->antic_timer);
- as_clear_active_asq_wait_request(ad);
+ as_clear_active_asq_wait_request(ad);
+ }
ad->antic_status = ANTIC_FINISHED;
/* see as_work_handler */
kblockd_schedule_work(ad->q, &ad->antic_work);
--
1.5.4.rc3


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