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authorJuan Quintela <quintela@redhat.com>2015-02-12 21:46:40 +0100
committerJuan Quintela <quintela@redhat.com>2015-03-16 14:34:38 +0100
commitf6f14c58d542b306b6a0ff207db793d0aba62aa1 (patch)
tree0ce3a014819dcbe1da180ff42e1cae6c000d8b14 /arch_init.c
parent73bab2fc2adeb18b26752937f3cf60afa9658a9c (diff)
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>
Diffstat (limited to 'arch_init.c')
-rw-r--r--arch_init.c27
1 files changed, 19 insertions, 8 deletions
diff --git a/arch_init.c b/arch_init.c
index 7377a0703e..c3f7d3f56d 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -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 {