On 07/07/17 20:23, Wengang Wang wrote: > log a message when we enter this situation: > 1) we already allocated the max number of available grants from hypervisor > and > 2) we still need more (but the request fails because of 1)). > > Sometimes the lack of grants causes IO hangs in xen_blkfront devices. > Adding this log would help debuging. > > Signed-off-by: Wengang Wang <[email protected]> > Reviewed-by: Konrad Rzeszutek Wilk <[email protected]> > Reviewed-by: Junxiao Bi <[email protected]>
Committed to xen/tip for-linus-4.13 Thanks, Juergen

