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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 /block.h
parent01e61e2d16b72aa3f18cd25123db069c06a3606c (diff)
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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>
Diffstat (limited to 'block.h')
-rw-r--r--block.h2
1 files changed, 1 insertions, 1 deletions
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);