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authorPeter Lieven <pl@kamp.de>2018-03-08 12:18:28 +0100
committerDr. David Alan Gilbert <dgilbert@redhat.com>2018-03-23 16:45:18 +0000
commitb47d1e9fe09834d0640aedc002384b0600739075 (patch)
treeb35e3efd74b42adf17c1c61a9f32f8a448fe3d97
parent44815334e10365ae5c60914c1d9fcecfe5ed5982 (diff)
downloadfocaccia-qemu-b47d1e9fe09834d0640aedc002384b0600739075.tar.gz
focaccia-qemu-b47d1e9fe09834d0640aedc002384b0600739075.zip
migration/block: compare only read blocks against the rate limiter
only read_done blocks are in the queued to be flushed to the migration
stream. submitted blocks are still in flight.

Signed-off-by: Peter Lieven <pl@kamp.de>
Message-Id: <1520507908-16743-6-git-send-email-pl@kamp.de>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
-rw-r--r--migration/block.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/migration/block.c b/migration/block.c
index 03bbba61cb..4c04d937b1 100644
--- a/migration/block.c
+++ b/migration/block.c
@@ -773,8 +773,7 @@ static int block_save_iterate(QEMUFile *f, void *opaque)
 
     /* control the rate of transfer */
     blk_mig_lock();
-    while ((block_mig_state.submitted +
-            block_mig_state.read_done) * BLOCK_SIZE <
+    while (block_mig_state.read_done * BLOCK_SIZE <
            qemu_file_get_rate_limit(f) &&
            block_mig_state.submitted < MAX_PARALLEL_IO &&
            (block_mig_state.submitted + block_mig_state.read_done) <