Commit 23bd90d2 authored by Jan Kiszka's avatar Jan Kiszka Committed by Anthony Liguori
Browse files

block migration: Increase dirty chunk size to 1M 



4K is too small for efficiently saving and restoring multi-GB block
devices.

Signed-off-by: default avatarJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent 01e61e2d

block.h

+1 −1
Original line number Diff line number Diff line
@@ -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);