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block-migration: fix block_save_iterate() return value

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The .save_live_iterate() function returns 0 to continue iterating or 1
to stop iterating.

Since 16310a3cca it only ever returns 0,
leading to an infinite loop.

Return 1 if we have finished sending dirty blocks.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1360534366-26723-4-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Stefan Hajnoczi 2013-02-10 23:12:46 +01:00 committed by Anthony Liguori
parent 9ee0cb201e
commit 2c5a7f2011
1 changed files with 6 additions and 1 deletions
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7
block-migration.c
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@ -582,7 +582,12 @@ static int block_save_iterate(QEMUFile *f, void *opaque)
qemu_put_be64(f, BLK_MIG_FLAG_EOS);
return 0;
/* Complete when bulk transfer is done and all dirty blocks have been
* transferred.
*/
return block_mig_state.bulk_completed &&
block_mig_state.submitted == 0 &&
block_mig_state.read_done == 0;
}
static int block_save_complete(QEMUFile *f, void *opaque)