[libvirt PATCH 2/3] qemu: Implement VIR_MIGRATE_ASSUME_SHARED_STORAGE support

[Andrea Bolognani <abologna@xxxxxxxxxx>]

Signed-off-by: Andrea Bolognani <abologna@xxxxxxxxxx>
---
 src/qemu/qemu_migration.c | 5 +++++
 src/qemu/qemu_migration.h | 1 +
 2 files changed, 6 insertions(+)

diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
index ac58aa1a8c..bf6f1de310 100644
--- a/src/qemu/qemu_migration.c
+++ b/src/qemu/qemu_migration.c
@@ -1600,6 +1600,11 @@ qemuMigrationSrcIsSafe(virDomainDef *def,
             if ((rc = virFileIsSharedFS(src)) < 0) {
                 return false;
             } else if (rc == 0) {
+                /* Ignore the outcome of this check if we've been
+                 * asked to assume that storage is shared */
+                if (flags & VIR_MIGRATE_ASSUME_SHARED_STORAGE)
+                    break;
+
                 unsafe = true;
             }
             if ((rc = virFileIsClusterFS(src)) < 0)
diff --git a/src/qemu/qemu_migration.h b/src/qemu/qemu_migration.h
index ed62fd4a91..c21417084a 100644
--- a/src/qemu/qemu_migration.h
+++ b/src/qemu/qemu_migration.h
@@ -62,6 +62,7 @@
      VIR_MIGRATE_NON_SHARED_SYNCHRONOUS_WRITES | \
      VIR_MIGRATE_POSTCOPY_RESUME | \
      VIR_MIGRATE_ZEROCOPY | \
+     VIR_MIGRATE_ASSUME_SHARED_STORAGE | \
      0)
 
 /* All supported migration parameters and their types. */
-- 
2.41.0