diff options
Diffstat (limited to 'arch_init.c')
| -rw-r--r-- | arch_init.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/arch_init.c b/arch_init.c index 74dc9c8c51..4015bfd8c5 100644 --- a/arch_init.c +++ b/arch_init.c @@ -265,16 +265,21 @@ uint64_t xbzrle_mig_pages_overflow(void) return acct_info.xbzrle_overflows; } -static void save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset, - int cont, int flag) +static size_t save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset, + int cont, int flag) { - qemu_put_be64(f, offset | cont | flag); - if (!cont) { - qemu_put_byte(f, strlen(block->idstr)); - qemu_put_buffer(f, (uint8_t *)block->idstr, - strlen(block->idstr)); - } + size_t size; + + qemu_put_be64(f, offset | cont | flag); + size = 8; + if (!cont) { + qemu_put_byte(f, strlen(block->idstr)); + qemu_put_buffer(f, (uint8_t *)block->idstr, + strlen(block->idstr)); + size += 1 + strlen(block->idstr); + } + return size; } #define ENCODING_FLAG_XBZRLE 0x1 @@ -321,11 +326,11 @@ static int save_xbzrle_page(QEMUFile *f, uint8_t *current_data, } /* Send XBZRLE based compressed page */ - save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_XBZRLE); + bytes_sent = save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_XBZRLE); qemu_put_byte(f, ENCODING_FLAG_XBZRLE); qemu_put_be16(f, encoded_len); qemu_put_buffer(f, XBZRLE.encoded_buf, encoded_len); - bytes_sent = encoded_len + 1 + 2; + bytes_sent += encoded_len + 1 + 2; acct_info.xbzrle_pages++; acct_info.xbzrle_bytes += bytes_sent; @@ -457,9 +462,10 @@ static int ram_save_block(QEMUFile *f, bool last_stage) if (is_dup_page(p)) { acct_info.dup_pages++; - save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_COMPRESS); + bytes_sent = save_block_hdr(f, block, offset, cont, + RAM_SAVE_FLAG_COMPRESS); qemu_put_byte(f, *p); - bytes_sent = 1; + bytes_sent += 1; } else if (migrate_use_xbzrle()) { current_addr = block->offset + offset; bytes_sent = save_xbzrle_page(f, p, current_addr, block, @@ -471,9 +477,9 @@ static int ram_save_block(QEMUFile *f, bool last_stage) /* either we didn't send yet (we may have had XBZRLE overflow) */ if (bytes_sent == -1) { - save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_PAGE); + bytes_sent = save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_PAGE); qemu_put_buffer(f, p, TARGET_PAGE_SIZE); - bytes_sent = TARGET_PAGE_SIZE; + bytes_sent += TARGET_PAGE_SIZE; acct_info.norm_pages++; } |