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[Xen-changelog] Stupidly forgot there is a separate waitqueue for free p
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| Subject: | [Xen-changelog] Stupidly forgot there is a separate waitqueue for free pending request |
| From: | Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx> |
| Date: | Thu, 06 Apr 2006 14:20:11 +0000 |
| Delivery-date: | Thu, 06 Apr 2006 07:21:35 -0700 |
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# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 8031bf331472d3150ac3ef934922a5cc05e22c84
# Parent 937336f98c47148e82f5624a33334db3b4a40417
Stupidly forgot there is a separate waitqueue for free pending request
structures in blkback. Fix my changes to blkif_schedule().
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
diff -r 937336f98c47 -r 8031bf331472
linux-2.6-xen-sparse/drivers/xen/blkback/blkback.c
--- a/linux-2.6-xen-sparse/drivers/xen/blkback/blkback.c Thu Apr 6
09:20:32 2006
+++ b/linux-2.6-xen-sparse/drivers/xen/blkback/blkback.c Thu Apr 6
10:13:33 2006
@@ -225,8 +225,11 @@
while (!kthread_should_stop()) {
wait_event_interruptible(
blkif->wq,
- (atomic_read(&blkif->io_pending) &&
- !list_empty(&pending_free)) ||
+ atomic_read(&blkif->io_pending) ||
+ kthread_should_stop());
+ wait_event_interruptible(
+ pending_free_wq,
+ !list_empty(&pending_free) ||
kthread_should_stop());
atomic_set(&blkif->io_pending, 0);
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