[PATCHv2] NVMe: Spliting large i/o in the ioctl path [for-linus branch]

[Keith Busch]

On Tue, 24 Feb 2015, Sathayavathi M wrote:
> +	for (count = 0; count < num_split_cmds; count++) {

[snip]

> +		c.rw.reftag = cpu_to_le32(io.reftag);
> +		c.rw.apptag = cpu_to_le16(io.apptag);
> +		c.rw.appmask = cpu_to_le16(io.appmask);

If the reference tag is being used, this needs to be incremented
accoringly in this loop.

Starting to think the ioctl shouldn't even bother correcting users who
request malformed commands.