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authorIvan Ren <ivanren@tencent.com>2019-07-30 13:33:34 +0800
committerDr. David Alan Gilbert <dgilbert@redhat.com>2019-08-14 17:33:14 +0100
commit5d7d2558631b4421826c60046c606584c58ab76c (patch)
treeeb0c10e702f218e24ffd5906d702c019c591dc57 /migration
parent87f3bd8717cd88932de302e215f1da51bfb8051a (diff)
migration: add qemu_file_update_transfer interface
Add qemu_file_update_transfer for just update bytes_xfer for speed limitation. This will be used for further migration feature such as multifd migration. Signed-off-by: Ivan Ren <ivanren@tencent.com> Reviewed-by: Wei Yang <richardw.yang@linux.intel.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <1564464816-21804-2-git-send-email-ivanren@tencent.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'migration')
-rw-r--r--migration/qemu-file.c5
-rw-r--r--migration/qemu-file.h1
2 files changed, 6 insertions, 0 deletions
diff --git a/migration/qemu-file.c b/migration/qemu-file.c
index c04a7a891b..e33c46764f 100644
--- a/migration/qemu-file.c
+++ b/migration/qemu-file.c
@@ -654,6 +654,11 @@ void qemu_file_reset_rate_limit(QEMUFile *f)
f->bytes_xfer = 0;
}
+void qemu_file_update_transfer(QEMUFile *f, int64_t len)
+{
+ f->bytes_xfer += len;
+}
+
void qemu_put_be16(QEMUFile *f, unsigned int v)
{
qemu_put_byte(f, v >> 8);
diff --git a/migration/qemu-file.h b/migration/qemu-file.h
index eb886db65f..d064940b8c 100644
--- a/migration/qemu-file.h
+++ b/migration/qemu-file.h
@@ -150,6 +150,7 @@ int qemu_peek_byte(QEMUFile *f, int offset);
void qemu_file_skip(QEMUFile *f, int size);
void qemu_update_position(QEMUFile *f, size_t size);
void qemu_file_reset_rate_limit(QEMUFile *f);
+void qemu_file_update_transfer(QEMUFile *f, int64_t len);
void qemu_file_set_rate_limit(QEMUFile *f, int64_t new_rate);
int64_t qemu_file_get_rate_limit(QEMUFile *f);
int qemu_file_get_error_obj(QEMUFile *f, Error **errp);