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[Qemu-devel] [7000] propagate error on failed completion (Glauber Costa)
From: |
Anthony Liguori |
Subject: |
[Qemu-devel] [7000] propagate error on failed completion (Glauber Costa) |
Date: |
Sun, 05 Apr 2009 19:33:33 +0000 |
Revision: 7000
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=7000
Author: aliguori
Date: 2009-04-05 19:33:33 +0000 (Sun, 05 Apr 2009)
Log Message:
-----------
propagate error on failed completion (Glauber Costa)
migrate_fd_put_ready() calls qemu_savevm_state_complete(),
but the later can fail.
If it happens, re-start the vm and propagate the error up
Based on a patch by Yaniv Kamay
Signed-off-by: Glauber Costa <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
Modified Paths:
--------------
branches/stable_0_10/migration.c
Modified: branches/stable_0_10/migration.c
===================================================================
--- branches/stable_0_10/migration.c 2009-04-05 19:30:55 UTC (rev 6999)
+++ branches/stable_0_10/migration.c 2009-04-05 19:33:33 UTC (rev 7000)
@@ -212,13 +212,19 @@
dprintf("iterate\n");
if (qemu_savevm_state_iterate(s->file) == 1) {
+ int state;
dprintf("done iterating\n");
vm_stop(0);
bdrv_flush_all();
- qemu_savevm_state_complete(s->file);
- s->state = MIG_STATE_COMPLETED;
+ if ((qemu_savevm_state_complete(s->file)) < 0) {
+ vm_start();
+ state = MIG_STATE_ERROR;
+ } else {
+ state = MIG_STATE_COMPLETED;
+ }
migrate_fd_cleanup(s);
+ s->state = state;
}
}
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