[libvirt] [PATCH] util: make use of VIR_LOCK_SPACE_ACQUIRE_AUTOCREATE in virLockSpaceAcquireResource
When create external disk snapshot with virtlock enabled, libvirtd
will hang if flag VIR_LOCK_SPACE_ACQUIRE_AUTOCREATE is missed in
virLockSpaceAcquireResource.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1191901
Signed-off-by: Shanzhi Yu <shyu(a)redhat.com>
---
src/util/virlockspace.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/util/virlockspace.c b/src/util/virlockspace.c
index 2366a74..25b4433 100644
--- a/src/util/virlockspace.c
+++ b/src/util/virlockspace.c
@@ -626,8 +626,10 @@ int virLockSpaceAcquireResource(virLockSpacePtr lockspace,
virMutexLock(&lockspace->lock);
if ((res = virHashLookup(lockspace->resources, resname))) {
- if ((res->flags & VIR_LOCK_SPACE_ACQUIRE_SHARED) &&
- (flags & VIR_LOCK_SPACE_ACQUIRE_SHARED)) {
+ if (((res->flags & VIR_LOCK_SPACE_ACQUIRE_SHARED) &&
+ (flags & VIR_LOCK_SPACE_ACQUIRE_SHARED)) ||
+ ((res->flags & VIR_LOCK_SPACE_ACQUIRE_AUTOCREATE) &&
+ (flags & VIR_LOCK_SPACE_ACQUIRE_AUTOCREATE))){
if (VIR_EXPAND_N(res->owners, res->nOwners, 1) < 0)
goto cleanup;
--
1.8.3.1