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authorJan Kiszka <jan.kiszka@siemens.com>2009-11-30 18:21:22 +0100
committerAnthony Liguori <aliguori@us.ibm.com>2009-12-03 10:48:54 -0600
commit23bd90d2f916f5a2e0a6ad00d26f3ff26144066d (patch)
tree7a860414c3817d2db81f2740d4d553b4491a5f09
parent01e61e2d16b72aa3f18cd25123db069c06a3606c (diff)
downloadfocaccia-qemu-23bd90d2f916f5a2e0a6ad00d26f3ff26144066d.tar.gz
focaccia-qemu-23bd90d2f916f5a2e0a6ad00d26f3ff26144066d.zip
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 <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
-rw-r--r--block.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/block.h b/block.h
index 3513712277..4a8b6283e4 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);