[Qemu-devel] [PATCH] block-migration: deprecate block migration for the 1.2 release

[Anthony Liguori]

To be replaced with live block copy.

Signed-off-by: Anthony Liguori <address@hidden>
---
 migration.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/migration.c b/migration.c
index 653a3c1..babccf4 100644
--- a/migration.c
+++ b/migration.c
@@ -482,10 +482,19 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk,
     MigrationParams params;
     const char *p;
     int ret;
+    static bool suppress_deprecation_message;
 
     params.blk = blk;
     params.shared = inc;
 
+    if (blk && !suppress_deprecation_message) {
+        qerror_report(ERROR_CLASS_GENERIC_ERROR,
+                      "Block migration is deprecated.  "
+                      "See http://wiki.qemu.org/Features/LiveBlockCopy "
+                      "for an alternative syntax.");
+        suppress_deprecation_message = true;
+    }
+
     if (s->state == MIG_STATE_ACTIVE) {
         error_set(errp, QERR_MIGRATION_ACTIVE);
         return;
-- 
1.7.5.4