rename save_block_hdr to save_page_header

It has always been a page header, not a block header.  Once there, the
flag argument was only passed to make a bit or with it, just do the or
on the caller.

Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Juan Quintela 2015-02-12 21:46:40 +01:00
parent 73bab2fc2a
commit f6f14c58d5

View file

@ -316,8 +316,19 @@ static uint64_t migration_dirty_pages;
static uint32_t last_version;
static bool ram_bulk_stage;
static size_t save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset,
int flag)
/**
* save_page_header: Write page header to wire
*
* If this is the 1st block, it also writes the block identification
*
* Returns: Number of bytes written
*
* @f: QEMUFile where to send the data
* @block: block that contains the page we want to send
* @offset: offset inside the block for the page
* in the lower bits, it contains flags
*/
static size_t save_page_header(QEMUFile *f, RAMBlock *block, ram_addr_t offset)
{
size_t size;
@ -325,7 +336,7 @@ static size_t save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset,
offset |= RAM_SAVE_FLAG_CONTINUE;
}
qemu_put_be64(f, offset | flag);
qemu_put_be64(f, offset);
size = 8;
if (block != last_sent_block) {
@ -425,7 +436,7 @@ static int save_xbzrle_page(QEMUFile *f, uint8_t **current_data,
}
/* Send XBZRLE based compressed page */
bytes_xbzrle = save_block_hdr(f, block, offset, RAM_SAVE_FLAG_XBZRLE);
bytes_xbzrle = save_page_header(f, block, offset | 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);
@ -643,8 +654,8 @@ static int ram_save_page(QEMUFile *f, RAMBlock* block, ram_addr_t offset,
}
} else if (is_zero_range(p, TARGET_PAGE_SIZE)) {
acct_info.dup_pages++;
*bytes_transferred += save_block_hdr(f, block, offset,
RAM_SAVE_FLAG_COMPRESS);
*bytes_transferred += save_page_header(f, block,
offset | RAM_SAVE_FLAG_COMPRESS);
qemu_put_byte(f, 0);
*bytes_transferred += 1;
pages = 1;
@ -665,8 +676,8 @@ static int ram_save_page(QEMUFile *f, RAMBlock* block, ram_addr_t offset,
/* XBZRLE overflow or normal page */
if (pages == -1) {
*bytes_transferred += save_block_hdr(f, block, offset,
RAM_SAVE_FLAG_PAGE);
*bytes_transferred += save_page_header(f, block,
offset | RAM_SAVE_FLAG_PAGE);
if (send_async) {
qemu_put_buffer_async(f, p, TARGET_PAGE_SIZE);
} else {