From 23bd90d2f916f5a2e0a6ad00d26f3ff26144066d Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Mon, 30 Nov 2009 18:21:22 +0100 Subject: block migration: Increase dirty chunk size to 1M 4K is too small for efficiently saving and restoring multi-GB block devices. Signed-off-by: Jan Kiszka Signed-off-by: Anthony Liguori --- block.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'block.h') diff --git a/block.h b/block.h index 3513712..4a8b628 100644 --- a/block.h +++ b/block.h @@ -192,7 +192,7 @@ int bdrv_save_vmstate(BlockDriverState *bs, const uint8_t *buf, int bdrv_load_vmstate(BlockDriverState *bs, uint8_t *buf, int64_t pos, int size); -#define BDRV_SECTORS_PER_DIRTY_CHUNK 8 +#define BDRV_SECTORS_PER_DIRTY_CHUNK 2048 void bdrv_set_dirty_tracking(BlockDriverState *bs, int enable); int bdrv_get_dirty(BlockDriverState *bs, int64_t sector); -- cgit v1.1