On Mon, Jul 27, 2020 at 12:18:41PM -0400, Vivek Goyal wrote: > 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(-)
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
signature.asc
Description: PGP signature
