From: Lidong Chen <jemmy858...@gmail.com>
Increase bmds->cur_dirty after submit io, so reduce the frequency involve into
blk_drain, and improve the performance obviously when block migration.
Signed-off-by: Lidong Chen <jemmy858...@gmail.com>
---
migration/block.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/migration/block.c b/migration/block.c
index 6741228..f059cca 100644
--- a/migration/block.c
+++ b/migration/block.c
@@ -576,6 +576,8 @@ static int mig_save_device_dirty(QEMUFile *f,
BlkMigDevState *bmds,
}
bdrv_reset_dirty_bitmap(bmds->dirty_bitmap, sector, nr_sectors);
+ sector += nr_sectors;
+ bmds->cur_dirty = sector;
break;
}
sector += BDRV_SECTORS_PER_DIRTY_CHUNK;
--
1.8.3.1
