On Thu, Sep 05, 2019 at 03:48:59PM -0400, Vivek Goyal wrote: > virtio_fs_free_devs() is now called from ->kill_sb(). By this time > all device queues have been quiesced. I am assuming that while > ->kill_sb() is in progress, another mount instance will wait for > it to finish (sb->s_umount mutex provides mutual exclusion). > > W.r.t ->remove path, we should be fine as we are not touching vdev > or virtqueues. And we have reference on virtio_fs object, so we know > rest of the data structures are valid. > > So I can't see the need of any additional locking yet. > > Signed-off-by: Vivek Goyal <vgoyal@xxxxxxxxxx> > --- > fs/fuse/virtio_fs.c | 2 -- > 1 file changed, 2 deletions(-) Reviewed-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
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