On 07/27/2012 04:26 PM, Matthew Wilcox wrote:
Maybe we should design such a mechanism, but maybe we shouldn't ... as we
find common things to do, we tend to move those to sysfs, not ioctls,
and the kinds of commands that are being sent here are essentially
vendor-specific NVMe commands; it's not clear they'd fit neatly into a
generic mechanism.
You're delivering arbitrary packets to the device from userspace, and it
is returning arbitrary packets to userspace.
This is a familiar pattern... It is quite analagous to "send
vendor-specific commands from userspace to a drive"
Jeff
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