On Tue, 31 Mar 2020 15:23:38 +0200 Christian Schoenebeck <qemu_...@crudebyte.com> wrote:
> The docs are ambiguous about the difference (or actually their > equality) between options '-virtfs' vs. '-fsdev'. So clarify that > '-virtfs' is actually just a convenience shortcut for its > generalized form '-fsdev' in conjunction with '-device virtio-9p-pci'. > > And as we're at it, also be a bit more descriptive what 9pfs is > actually used for. > > Signed-off-by: Christian Schoenebeck <qemu_...@crudebyte.com> > --- Applied to 9p-next. > qemu-options.hx | 14 +++++++++++--- > 1 file changed, 11 insertions(+), 3 deletions(-) > > diff --git a/qemu-options.hx b/qemu-options.hx > index 962a5ebaa6..fd3830c6cd 100644 > --- a/qemu-options.hx > +++ b/qemu-options.hx > @@ -1542,9 +1542,17 @@ SRST > ``-virtfs proxy,sock_fd=sock_fd,mount_tag=mount_tag > [,writeout=writeout][,readonly]`` > \ > ``-virtfs synth,mount_tag=mount_tag`` > - Define a new filesystem device and expose it to the guest using a > - virtio-9p-device. The general form of a Virtual File system > - pass-through options are: > + Define a new virtual filesystem device and expose it to the guest using > + a virtio-9p-device (a.k.a. 9pfs), which essentially means that a certain > + directory on host is made directly accessible by guest as a pass-through > + file system by using the 9P network protocol for communication between > + host and guests, if desired even accessible, shared by several guests > + simultaniously. > + > + Note that ``-virtfs`` is actually just a convenience shortcut for its > + generalized form ``-fsdev -device virtio-9p-pci``. > + > + The general form of pass-through file system options are: > > ``local`` > Accesses to the filesystem are done by QEMU.
