[libvirt] [PATCH] Fix detection of disk in IO events

Daniel P. Berrange berrange at redhat.com
Wed Apr 28 14:16:21 UTC 2010


When using -device syntax, the IO event will have a different
prefix, 'drive-' that needs to be skipped over before matching
against the libvirt disk alias

* src/qemu/qemu_driver.c: Skip QEMU_DRIVE_HOST_PREFIX in IO event
---
 src/qemu/qemu_driver.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 3e0a38a..9434e00 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -763,6 +763,9 @@ findDomainDiskByAlias(virDomainObjPtr vm,
 {
     int i;
 
+    if (STRPREFIX(alias, QEMU_DRIVE_HOST_PREFIX))
+        alias += strlen(QEMU_DRIVE_HOST_PREFIX);
+
     for (i = 0; i < vm->def->ndisks; i++) {
         virDomainDiskDefPtr disk;
 
-- 
1.6.6.1




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