[Xen-changelog] [linux-2.6.18-xen] blktap: blktap kthread must respond to freeze requests.

["Xen patchbot-linux-2.6.18-xen" <patchbot-linux-2.6.18-xen@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Date 1182429813 -3600
# Node ID cb50d25a94686a6e34e953422286f9b4504e3e56
# Parent  02a46885bd90a4d936338c135023b511318c7aa2
blktap: blktap kthread must respond to freeze requests.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
 drivers/xen/blkback/blkback.c |    4 ++--
 drivers/xen/blktap/blktap.c   |    3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff -r 02a46885bd90 -r cb50d25a9468 drivers/xen/blkback/blkback.c
--- a/drivers/xen/blkback/blkback.c     Thu Jun 21 13:41:22 2007 +0100
+++ b/drivers/xen/blkback/blkback.c     Thu Jun 21 13:43:33 2007 +0100
@@ -208,9 +208,9 @@ int blkif_schedule(void *arg)
                printk(KERN_DEBUG "%s: started\n", current->comm);
 
        while (!kthread_should_stop()) {
-               if(try_to_freeze())
+               if (try_to_freeze())
                        continue;
-            
+
                wait_event_interruptible(
                        blkif->wq,
                        blkif->waiting_reqs || kthread_should_stop());
diff -r 02a46885bd90 -r cb50d25a9468 drivers/xen/blktap/blktap.c
--- a/drivers/xen/blktap/blktap.c       Thu Jun 21 13:41:22 2007 +0100
+++ b/drivers/xen/blktap/blktap.c       Thu Jun 21 13:43:33 2007 +0100
@@ -1057,6 +1057,9 @@ int tap_blkif_schedule(void *arg)
                printk(KERN_DEBUG "%s: started\n", current->comm);
 
        while (!kthread_should_stop()) {
+               if (try_to_freeze())
+                       continue;
+
                wait_event_interruptible(
                        blkif->wq,
                        blkif->waiting_reqs || kthread_should_stop());

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