On Wed, Sep 01, 2010 at 09:28:53AM -0700, Joe Perches wrote: > On Tue, 2010-08-31 at 11:22 -0700, Hank Janssen wrote: > > If we get a SCSI host bus reset we now gracefully handle it, and we > > take the device offline. This before sometimes caused hangs. > > --- > > drivers/staging/hv/storvsc.c | 36 +++++++++++++++++++++++++++++++++++- > [] > > + /* > > + * Wait for traffic in transit to complete > > + */ > > + while (atomic_read(&storDevice->NumOutstandingRequests)) > > + udelay(1000); > > + > > Is it useful to have a maximum check or timeout? > Maybe use usleep_range?
Yeah, that's not good, you need to have some way to get out of here in case something bad happens and that number never goes down. Why not just use a completion function instead of a busy loop? thanks, greg k-h _______________________________________________ Virtualization mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/virtualization
