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[Qemu-devel] [PATCH] block: fix block I/O throtting with IDE
From: |
zwu . kernel |
Subject: |
[Qemu-devel] [PATCH] block: fix block I/O throtting with IDE |
Date: |
Sun, 19 Feb 2012 23:16:26 +0800 |
From: Zhi Yong Wu <address@hidden>
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 <address@hidden>
---
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
- [Qemu-devel] [PATCH] block: fix block I/O throtting with IDE,
zwu . kernel <=