> Then we need a gfp parameter in virtually all api functions and the
> api for host controllers. (Or do a lot of GFP_ATOMIC/GFP_NOIO. I mention this only
> for completeness' sake.)

You may need to yes. You might also want to prealloc a scratch buffer or
stuff one in your per instance structure for said usb device and use that.

> How deadlockproof is nfs ? Must anything that might be used for nfs stuff
> use GFP_NOFS ? I hope not, but I better ask.
> Greg, Alan, what is to be done ?

NFS uses GFP_NOFS as appropriate so should always do the right thing itself.

Alan

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