On 12/08/20 00:51, Dmitry Fomichev wrote: > When a host-managed zoned device is passed through to the > guest system using scsi-generic driver, the maximum i/o size for the > drive at the guest may end up being larger than at the host, causing > i/o errors while accessing the backing zoned drive at the host system. > > Two problems prevent correct setting of the maximum i/o transfer size > at the guest in this configuration. One issue is specific to > host-managed zone devices - scsi-generic driver doesn't recognize the > SCSI type of HM-zoned devices. The other problem is that file-posix > code for finding max_segments system value doesn't correctly handle > SG nodes. > > The following two patches fix these problems. > > Based-on: <20200424084338.26803-16-arm...@redhat.com> > > Dmitry Fomichev (2): > file-posix: Correctly read max_segments of SG nodes > scsi-generic: Fix HM-zoned device scan > > block/file-posix.c | 55 +++++++++++++++++++++++----------------- > hw/scsi/scsi-generic.c | 10 +++++--- > include/scsi/constants.h | 1 + > 3 files changed, 39 insertions(+), 27 deletions(-) >
The patches are more or less unrelated; I have queued the second, while the first is outside my maintenance area. Paolo
