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Staging: hv: storvsc: Increase the timeout value in the storvsc driver 

On some loaded windows hosts, we have discovered that the host may not
respond to guest requests within the specified time (one second)
as evidenced by the guest timing out. Fix this problem by increasing
the timeout to 5 seconds.

It may be useful to apply this patch to the 3.0 kernel as well.
the 3.0 kernel as well.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
K. Y. Srinivasan 2011-06-16 13:16:36 -07:00 committed by Greg Kroah-Hartman
parent 5c5781b3f8
commit 46d2eb6d82
2 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/staging/hv/storvsc.c
View File

@ -135,7 +135,7 @@ static int storvsc_channel_init(struct hv_device *device)
if (ret != 0)
goto cleanup;
t = wait_for_completion_timeout(&request->wait_event, HZ);
t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
if (t == 0) {
ret = -ETIMEDOUT;
goto cleanup;
@ -163,7 +163,7 @@ static int storvsc_channel_init(struct hv_device *device)
if (ret != 0)
goto cleanup;
t = wait_for_completion_timeout(&request->wait_event, HZ);
t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
if (t == 0) {
ret = -ETIMEDOUT;
goto cleanup;
@ -192,7 +192,7 @@ static int storvsc_channel_init(struct hv_device *device)
if (ret != 0)
goto cleanup;
t = wait_for_completion_timeout(&request->wait_event, HZ);
t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
if (t == 0) {
ret = -ETIMEDOUT;
goto cleanup;
@ -222,7 +222,7 @@ static int storvsc_channel_init(struct hv_device *device)
if (ret != 0)
goto cleanup;
t = wait_for_completion_timeout(&request->wait_event, HZ);
t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
if (t == 0) {
ret = -ETIMEDOUT;
goto cleanup;

2
drivers/staging/hv/storvsc_drv.c
View File

@ -376,7 +376,7 @@ static int storvsc_host_reset(struct hv_device *device)
if (ret != 0)
goto cleanup;
t = wait_for_completion_timeout(&request->wait_event, HZ);
t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
if (t == 0) {
ret = -ETIMEDOUT;
goto cleanup;