Am 12.04.2011 09:52, schrieb Daniel P. Berrange: > - If the -drive specification has readonly=on (thus O_RDONLY to > open(2) call) , I expect QEMU (or the kernel) to forbid the > "eject" command on the host CDROM. This should prevent two guests > interfering seriously with each other. > > So I think using O_EXCL would be OK, in the case where the block > driver was host_cdrom and readonly=off.
This would overload readonly with a completely unrelated option (should eject be allowed). Doesn't sound like a great idea. Kevin
