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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>
This commit is contained in:
Ivan Ren 2019-07-30 13:33:34 +08:00 committed by Dr. David Alan Gilbert
parent 87f3bd8717
commit 5d7d255863
2 changed files with 6 additions and 0 deletions
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5
migration/qemu-file.c
View File

@ -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);

1
migration/qemu-file.h
View File

@ -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);