From: zwu.kernel@gmail.com
To: qemu-devel@nongnu.org
Cc: chris@arachsys.com, Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>,
stefanha@linux.vnet.ibm.com
Subject: [Qemu-devel] [PATCH] block: fix block I/O throtting with IDE
Date: Sun, 19 Feb 2012 23:16:26 +0800 [thread overview]
Message-ID: <1329664586-13923-1-git-send-email-zwu.kernel@gmail.com> (raw)
From: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
The patch is based on the latest QEMU upstream. If you will backport the patchset to QEMU 1.0, pls note the difference.
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
---
block.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/block.c b/block.c
index ae297bb..07cd143 100644
--- a/block.c
+++ b/block.c
@@ -863,6 +863,12 @@ void bdrv_drain_all(void)
{
BlockDriverState *bs;
+ QTAILQ_FOREACH(bs, &bdrv_states, list) {
+ if (!qemu_co_queue_empty(&bs->throttled_reqs)) {
+ qemu_co_queue_restart_all(&bs->throttled_reqs);
+ }
+ }
+
qemu_aio_flush();
/* If requests are still pending there is a bug somewhere */
--
1.7.6
next reply other threads:[~2012-02-19 15:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-19 15:16 zwu.kernel [this message]
2012-02-19 15:40 ` [Qemu-devel] [PATCH] block: fix block I/O throtting with IDE Andreas Färber
2012-02-20 4:27 ` Zhi Yong Wu
2012-02-19 21:18 ` Chris Webb
2012-02-20 4:53 ` Zhi Yong Wu
2012-02-20 10:02 ` Chris Webb
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