[Virtio-fs] [for-6.1 v3 3/3] virtiofsd: Add support for FUSE_SYNCFS request

[Miklos Szeredi]

On Mon, May 10, 2021 at 5:55 PM Greg Kurz <groug at kaod.org> wrote:
>
> Honor the expected behavior of syncfs() to synchronously flush all data
> and metadata on linux systems. Simply loop on all known submounts and
> call syncfs() on them.

Why not pass the submount's root to the server, so it can do just one
targeted syncfs?

E.g. somehting like this in fuse_sync_fs():

args.nodeid = get_node_id(sb->s_root->d_inode);

Thanks,
Miklos