[Patch v7 21/22] CIFS: SMBD: Upper layer performs SMB read via RDMA write through memory registration

Stefan Metzmacher metze at samba.org
Mon Sep 24 04:07:25 UTC 2018

> They're basically the same concept, it's a subtle difference.
> FRMR = Fast Register Memory Region
> FRWR = Fast Register Work Request
> The memory region is the mr itself, this is created early on.
> The work request is built when actually binding the physical
> pages to the region, and setting the offset, length, etc, which
> is what's happening in the routine that I made the comment on.
> So, for this discussion I chose to say FRWR. Sorry for any
> confusion!

Ah, thanks! Confusion resolved:-)


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