tree 5835cd20821438d1efe89b7ac9a0e1085010dbdc
parent f3b338ef4afaba105357f62143491e51d35c5b42
author Paolo Bonzini <pbonzini@redhat.com> 1321277512 +0100
committer Kevin Wolf <kwolf@redhat.com> 1321622072 +0100

scsi-block: always use SG_IO for MMC devices

CD burning messes up the state of the host page cache and host block
device.  Just pass all operations down to the device, even though that
might have slightly worse performance.  Everything else just is not
reliable in combination with burning.

Reported-by: Thomas Schmitt <scdbackup@gmx.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>