Am 11.01.2013 08:35, schrieb MORITA Kazutaka: > At Thu, 10 Jan 2013 16:03:47 +0800, > Liu Yuan wrote: >> >> From: Liu Yuan <tailai...@taobao.com> >> >> Sheepdog supports both writeback/writethrough write but has not yet supported >> DIRECTIO semantics which bypass the cache completely even if Sheepdog daemon >> is >> set up with cache enabled. >> >> Suppose cache is enabled on Sheepdog daemon size, the new cache control is >> >> cache=writeback # enable the writeback semantics for write >> cache=writethrough # enable the emulated writethrough semantics for write >> cache=directsync # disable cache competely >> >> Guest WCE toggling on the run time to toggle writeback/writethrough is also >> supported. >> >> Cc: MORITA Kazutaka <morita.kazut...@lab.ntt.co.jp> >> Cc: Kevin Wolf <kw...@redhat.com> >> Cc: Stefan Hajnoczi <stefa...@gmail.com> >> Signed-off-by: Liu Yuan <tailai...@taobao.com> >> --- >> v2: adopt to current emulated writethrough cache setting >> >> block/sheepdog.c | 70 >> +++++++++++++++++++++++++++++++----------------------- >> 1 file changed, 40 insertions(+), 30 deletions(-) > > Reviewed-by: MORITA Kazutaka <morita.kazut...@lab.ntt.co.jp>
Thanks, applied to the block branch. Kevin
