qemu-kvm/kvm-migration-add-qemu_file_update_transfer-interface.patch

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From 1748253be11cbf12961274d4586671ce3803b006 Mon Sep 17 00:00:00 2001
From: Juan Quintela <quintela@redhat.com>
Date: Wed, 4 Sep 2019 11:23:30 +0100
Subject: [PATCH 2/6] migration: add qemu_file_update_transfer interface
RH-Author: Juan Quintela <quintela@redhat.com>
Message-id: <20190904112332.16160-3-quintela@redhat.com>
Patchwork-id: 90281
O-Subject: [RHEL-AV-8.1 qemu-kvm PATCH v2 2/4] migration: add qemu_file_update_transfer interface
Bugzilla: 1734316
RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
RH-Acked-by: Peter Xu <peterx@redhat.com>
RH-Acked-by: Danilo de Paula <ddepaula@redhat.com>
From: Ivan Ren <ivanren@tencent.com>
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>
(cherry picked from commit 5d7d2558631b4421826c60046c606584c58ab76c)
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
---
migration/qemu-file.c | 5 +++++
migration/qemu-file.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/migration/qemu-file.c b/migration/qemu-file.c
index 0431585..18f4805 100644
--- a/migration/qemu-file.c
+++ b/migration/qemu-file.c
@@ -615,6 +615,11 @@ 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 13baf89..5de9fa2 100644
--- a/migration/qemu-file.h
+++ b/migration/qemu-file.h
@@ -147,6 +147,7 @@ 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);
void qemu_file_set_error(QEMUFile *f, int ret);
--
1.8.3.1