Am 14.10.2011 13:19, schrieb Supriya Kannery: > On 10/12/2011 08:00 PM, Kevin Wolf wrote: >> Am 11.10.2011 05:11, schrieb Supriya Kannery: >>> qemu command option 'hostcache' added to -drive for block devices. >>> While starting a VM from qemu commandline, this option can be used >>> for setting host cache usage for block data access. Simultaneous >>> use of 'hostcache' and 'cache' options not allowed. >>> >>> Signed-off-by: Supriya Kannery<supri...@linux.vnet.ibm.com> >> >> I'm not sure if introducing this alone makes sense. I think I would only >> do it when we introduce more options that allow replacing all cache=... >> options by other parameters. >> > > Can we do transition to alternatives for 'cache=' in a phased manner? > Until all other params are ready, we can allow hostcache (as well > as other params as and when they are ready) in cmdline with the > condition that 'cache=x', if specified, overrides these params. > Once we have all other params ready, 'cache=' can be replaced completely.
I guess that would be good enough. There's still not much use in specifying hostcache=... at the same time as cache=... but at least it doesn't take away other options then. Kevin
