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[Qemu-devel] [PATCH 23/23] block migration: Increase dirty chunk size to
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] [PATCH 23/23] block migration: Increase dirty chunk size to 1M |
Date: |
Mon, 30 Nov 2009 18:21:22 +0100 |
User-agent: |
StGIT/0.14.3 |
4K is too small for efficiently saving and restoring multi-GB block
devices.
Signed-off-by: Jan Kiszka <address@hidden>
---
block.h | 2 +-
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);
- [Qemu-devel] [PATCH 00/23] block migration: Fixes, cleanups and speedups, Jan Kiszka, 2009/11/30
- [Qemu-devel] [PATCH 13/23] block migration: Consolidate mig_read_device_bulk into mig_save_device_bulk, Jan Kiszka, 2009/11/30
- [Qemu-devel] [PATCH 02/23] migration: Catch multiple start commands, Jan Kiszka, 2009/11/30
- [Qemu-devel] [PATCH 23/23] block migration: Increase dirty chunk size to 1M,
Jan Kiszka <=
- [Qemu-devel] [PATCH 16/23] ram migration: Stop loading on error, Jan Kiszka, 2009/11/30
- [Qemu-devel] [PATCH 05/23] block migration: Cleanup dirty tracking code, Jan Kiszka, 2009/11/30
- [Qemu-devel] [PATCH 06/23] block migration: Avoid large stack buffer, Jan Kiszka, 2009/11/30
- [Qemu-devel] [PATCH 19/23] live migration: Propagate output monitor to callback handler, Jan Kiszka, 2009/11/30
- [Qemu-devel] [PATCH 21/23] block migration: Report progress also via info migration, Jan Kiszka, 2009/11/30
- [Qemu-devel] [PATCH 01/23] migration: Fix use of file after release, Jan Kiszka, 2009/11/30
- [Qemu-devel] [PATCH 08/23] block migration: Drop dead code, Jan Kiszka, 2009/11/30
- [Qemu-devel] [PATCH 17/23] live migration: Allow cleanup after cancellation or error, Jan Kiszka, 2009/11/30
- [Qemu-devel] [PATCH 03/23] block migration: Fix coding style and whitespaces, Jan Kiszka, 2009/11/30
- [Qemu-devel] [PATCH 15/23] block migration: Add error handling/propagation, Jan Kiszka, 2009/11/30