From 86b124bc76bd7137d0fb20696c4e349571b8533d Mon Sep 17 00:00:00 2001 From: Peter Lieven Date: Thu, 8 Mar 2018 12:18:25 +0100 Subject: [PATCH] migration/block: reset dirty bitmap before read in bulk phase Reset the dirty bitmap before reading to make sure we don't miss any new data. Cc: qemu-stable@nongnu.org Signed-off-by: Peter Lieven Message-Id: <1520507908-16743-3-git-send-email-pl@kamp.de> Reviewed-by: Juan Quintela Signed-off-by: Dr. David Alan Gilbert --- migration/block.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/migration/block.c b/migration/block.c index 1f03946797..87bb35ce63 100644 --- a/migration/block.c +++ b/migration/block.c @@ -331,11 +331,10 @@ static int mig_save_device_bulk(QEMUFile *f, BlkMigDevState *bmds) */ qemu_mutex_lock_iothread(); aio_context_acquire(blk_get_aio_context(bmds->blk)); - blk->aiocb = blk_aio_preadv(bb, cur_sector * BDRV_SECTOR_SIZE, &blk->qiov, - 0, blk_mig_read_cb, blk); - bdrv_reset_dirty_bitmap(bmds->dirty_bitmap, cur_sector * BDRV_SECTOR_SIZE, nr_sectors * BDRV_SECTOR_SIZE); + blk->aiocb = blk_aio_preadv(bb, cur_sector * BDRV_SECTOR_SIZE, &blk->qiov, + 0, blk_mig_read_cb, blk); aio_context_release(blk_get_aio_context(bmds->blk)); qemu_mutex_unlock_iothread();