[PATCH 0/8] MUSE: Userspace backed MTD v3

Richard Weinberger richard at nod.at
Tue Feb 9 16:39:21 EST 2021


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> If you look at fuse_do_ioctl() it does variable length input and
> output at the same time.  I guess you need something similar to that.

I'm not sure whether I understand correctly.

In MUSE one use case would be attaching two distinct (variable length) buffers to a
single FUSE request, in both directions.
If I read fuse_do_ioctl() correctly, it attaches always a single buffer per request
but does multiple requests.

In MUSE we cold go the same path and issue up to two requests.
One for in-band and optionally a second one for the out-of-band data.


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