From 19fc2f2ae48d98690a55187b62497e83992d60fc Mon Sep 17 00:00:00 2001
From: "K. Y. Srinivasan" <kys@microsoft.com>
Date: Tue, 10 May 2011 07:54:08 -0700
Subject: [PATCH] Staging: hv: Use the newly introduced I/O drain synch method
Use the newly introduced I/O drain synch method.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/staging/hv/storvsc.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/hv/storvsc.c b/drivers/staging/hv/storvsc.c
index 36458b87f347b..8e529d502c6d8 100644
--- a/drivers/staging/hv/storvsc.c
+++ b/drivers/staging/hv/storvsc.c
@@ -501,11 +501,8 @@ int storvsc_dev_remove(struct hv_device *device)
* only allow inbound traffic (responses) to proceed so that
* outstanding requests can be completed.
*/
- while (atomic_read(&stor_device->num_outstanding_req)) {
- DPRINT_INFO(STORVSC, "waiting for %d requests to complete...",
- atomic_read(&stor_device->num_outstanding_req));
- udelay(100);
- }
+
+ storvsc_wait_to_drain(stor_device);
DPRINT_INFO(STORVSC, "removing storage device (%p)...",
device->ext);
--
2.30.2