Re: [fuse-devel] [PATCH v5] fuse: Add support for passthrough read/write

From: Andrew Karpow
Date: Fri Mar 04 2016 - 07:31:15 EST


Hi!

Thanks for the passthrough patch, exactly what I was searching for.
I'am currently trying to port your code to a prehistoric RedHat 6 Kernel, but I wonder about some implementation details...

> +++ b/fs/fuse/passthrough.c
...
> +void fuse_setup_passthrough(struct fuse_conn *fc, struct fuse_req *req)
..
> + daemon_fd = (int)open_out->passthrough_fd;
...

> +++ b/include/uapi/linux/fuse.h
...
> @@ -480,7 +481,7 @@ struct fuse_create_in {
> struct fuse_open_out {
> uint64_t fh;
> uint32_t open_flags;
> - uint32_t padding;
> + int32_t passthrough_fd;
> };

I don't get where the passthrough_fd struct member is ever set?

with best regards,

Andy