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[Qemu-devel] [PATCH] scsi: use scsi_req_cancel_async when purging reques
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH] scsi: use scsi_req_cancel_async when purging requests |
Date: |
Wed, 16 Dec 2015 19:33:43 +0100 |
This avoids calls to aio_poll without having acquired the context first.
Signed-off-by: Paolo Bonzini <address@hidden>
---
hw/scsi/scsi-bus.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
index fd1171e..524a998 100644
--- a/hw/scsi/scsi-bus.c
+++ b/hw/scsi/scsi-bus.c
@@ -1843,9 +1843,11 @@ void scsi_device_purge_requests(SCSIDevice *sdev,
SCSISense sense)
while (!QTAILQ_EMPTY(&sdev->requests)) {
req = QTAILQ_FIRST(&sdev->requests);
- scsi_req_cancel(req);
+ scsi_req_cancel_async(req, NULL);
}
-
+ aio_context_acquire(bdrv_get_aio_context(sdev->conf.blk));
+ blk_drain(sdev->conf.blk);
+ aio_context_release(bdrv_get_aio_context(sdev->conf.blk));
scsi_device_set_ua(sdev, sense);
}
--
2.5.0
- [Qemu-devel] [PATCH] scsi: use scsi_req_cancel_async when purging requests,
Paolo Bonzini <=