Commit 86b124bc authored by Peter Lieven's avatar Peter Lieven Committed by Dr. David Alan Gilbert
Browse files

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: default avatarPeter Lieven <pl@kamp.de>
Message-Id: <1520507908-16743-3-git-send-email-pl@kamp.de>
Reviewed-by: default avatarJuan Quintela <quintela@redhat.com>
Signed-off-by: default avatarDr. David Alan Gilbert <dgilbert@redhat.com>
parent b2557345

migration/block.c

+2 −3
Original line number Diff line number Diff line
@@ -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();