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 <pl@kamp.de>
Message-Id: <1520507908-16743-3-git-send-email-pl@kamp.de>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit 86b124bc76
)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
stable-2.11
parent
cebb7fea7c
commit
ab2dfe8d17
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@ -331,11 +331,10 @@ static int mig_save_device_bulk(QEMUFile *f, BlkMigDevState *bmds)
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*/
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qemu_mutex_lock_iothread();
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aio_context_acquire(blk_get_aio_context(bmds->blk));
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blk->aiocb = blk_aio_preadv(bb, cur_sector * BDRV_SECTOR_SIZE, &blk->qiov,
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0, blk_mig_read_cb, blk);
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bdrv_reset_dirty_bitmap(bmds->dirty_bitmap, cur_sector * BDRV_SECTOR_SIZE,
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nr_sectors * BDRV_SECTOR_SIZE);
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blk->aiocb = blk_aio_preadv(bb, cur_sector * BDRV_SECTOR_SIZE, &blk->qiov,
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0, blk_mig_read_cb, blk);
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aio_context_release(blk_get_aio_context(bmds->blk));
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qemu_mutex_unlock_iothread();
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