diff options
| -rw-r--r-- | block-migration.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/block-migration.c b/block-migration.c index 08db01a364..74d9eb125c 100644 --- a/block-migration.c +++ b/block-migration.c @@ -653,6 +653,7 @@ static int block_save_iterate(QEMUFile *f, void *opaque) { int ret; int64_t last_ftell = qemu_ftell(f); + int64_t delta_ftell; DPRINTF("Enter save live iterate submitted %d transferred %d\n", block_mig_state.submitted, block_mig_state.transferred); @@ -702,7 +703,14 @@ static int block_save_iterate(QEMUFile *f, void *opaque) } qemu_put_be64(f, BLK_MIG_FLAG_EOS); - return qemu_ftell(f) - last_ftell; + delta_ftell = qemu_ftell(f) - last_ftell; + if (delta_ftell > 0) { + return 1; + } else if (delta_ftell < 0) { + return -1; + } else { + return 0; + } } /* Called with iothread lock taken. */ |