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ram: Add last_sent_block
This is the last block from where we have sent data. Signed-off-by: Orit Wasserman <owasserm@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
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@ -336,6 +336,8 @@ static int save_xbzrle_page(QEMUFile *f, uint8_t *current_data,
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/* This is the last block that we have visited serching for dirty pages
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*/
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static RAMBlock *last_seen_block;
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/* This is the last block from where we have sent data */
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static RAMBlock *last_sent_block;
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static ram_addr_t last_offset;
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static unsigned long *migration_bitmap;
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static uint64_t migration_dirty_pages;
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@ -433,7 +435,7 @@ static int ram_save_block(QEMUFile *f, bool last_stage)
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mr = block->mr;
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if (migration_bitmap_test_and_reset_dirty(mr, offset)) {
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uint8_t *p;
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int cont = (block == last_seen_block) ?
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int cont = (block == last_sent_block) ?
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RAM_SAVE_FLAG_CONTINUE : 0;
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p = memory_region_get_ram_ptr(mr) + offset;
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@ -462,6 +464,7 @@ static int ram_save_block(QEMUFile *f, bool last_stage)
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/* if page is unmodified, continue to the next */
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if (bytes_sent != 0) {
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last_sent_block = block;
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break;
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}
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}
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@ -535,6 +538,7 @@ static void ram_migration_cancel(void *opaque)
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static void reset_ram_globals(void)
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{
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last_seen_block = NULL;
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last_sent_block = NULL;
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last_offset = 0;
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last_version = ram_list.version;
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}
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