Am 10.06.2013 um 20:23 hat Michael Roth geschrieben: > bd07684aacfb61668ae2c25b7dd00b64f3d7c7f3 added a test to ensure BSY > flag is set when a flush request is in flight. It does this by setting > a blkdebug breakpoint on flush_to_os before issuing a CMD_FLUSH_CACHE. > It then resumes CMD_FLUSH_CACHE operation and checks that BSY is unset. > > The actual unsetting of BSY does not occur until ide_flush_cb gets > called in a bh, however, so in some cases this check will race with > the actual completion. > > Fix this by polling the ide status register until BSY flag gets unset > before we do our final sanity checks. According to > f68ec8379e88502b4841a110c070e9b118d3151c this is in line with how a guest > would determine whether or not the device is still busy. > > Signed-off-by: Michael Roth <[email protected]>
Thanks, applied to the block branch. Kevin
