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| H A D | block.c | diff 58fda173e1156d24e5ff62361774715152188a07 Tue Jul 02 08:36:25 CDT 2013 Stefan Hajnoczi <stefanha@redhat.com> block: fix bdrv_flush() ordering in bdrv_close()
Since 80ccf93b we flush the block device during close. The
bdrv_drain_all() call should come before bdrv_flush() to ensure guest
write requests have completed. Otherwise we may miss pending writes
when flushing.
Call bdrv_drain_all() again for safety as the final step after
bdrv_flush(). This should not be necessary but we can be paranoid here
in case bdrv_flush() left I/O pending.
Cc: qemu-stable@nongnu.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
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