diff mbox series

[RFC,2/8] migration/dirtyrate: Add block_dirty_info to store dirtypage info

Message ID 1595646669-109310-3-git-send-email-zhengchuan@huawei.com
State New
Headers show
Series [RFC,1/8] migration/dirtyrate: Add get_dirtyrate_thread() function | expand

Commit Message

Zheng Chuan July 25, 2020, 3:11 a.m. UTC 
From: Zheng Chuan <zhengchuan@huawei.com>

Add block_dirty_info to store dirtypage info for each ramblock

Signed-off-by: Zheng Chuan <zhengchuan@huawei.com>
Signed-off-by: YanYing Zhang <ann.zhuangyanying@huawei.com>
---
 migration/dirtyrate.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)
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Patch

diff --git a/migration/dirtyrate.h b/migration/dirtyrate.h
index 9a5c228..342b89f 100644
--- a/migration/dirtyrate.h
+++ b/migration/dirtyrate.h
@@ -33,6 +33,19 @@  typedef enum {
     CAL_DIRTY_RATE_END   = 2,
 } CalculatingDirtyRateStage;
 
+/* 
+ * Store dirtypage info for each block.
+ */
+struct block_dirty_info {
+    char idstr[BLOCK_INFO_MAX_LEN];
+    uint8_t *block_addr;
+    unsigned long block_pages;
+    unsigned long *sample_page_vfn;
+    unsigned int sample_pages_count;
+    unsigned int sample_dirty_count;
+    uint8_t *hash_result;
+};
+
 void *get_dirtyrate_thread(void *arg);
 #endif