> Right now we enable remote posix locks by default. That means when guest does > a posix lock it sends request to server > (virtiofsd). But currently we only support non-blocking posix lock and return > -EOPNOTSUPP for blocking version. > > This means that existing applications which are doing blocking posix locks > get -EOPNOTSUPP and fail. To avoid this, > people have been running virtiosd with option "-o no_posix_lock". For new > users it is still a surprise and trial and error > takes them to this option. > > Given posix lock implementation is not complete in virtiofsd, disable it by > default. This means that posix locks will work > with-in applications in a guest but not across guests. Anyway we don't > support sharing filesystem among different guests > yet in virtiofs so this should not lead to any kind of surprise or regression > and will make life little easier for virtiofs users. > > Reported-by: Aa Aa <jimbot...@yandex.com> > Suggested-by: Miklos Szeredi <mszer...@redhat.com> > Signed-off-by: Vivek Goyal <vgo...@redhat.com> > --- > tools/virtiofsd/passthrough_ll.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-)
We should update docs/tools/virtiofsd.rst as well. Given that: Reviewed-by: Misono Tomohiro <misono.tomoh...@jp.fujitsu.com>