Re: [PATCH v3] libata: support the ata host which implements a queue depth less than 32

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On 07/12/2014 04:26 AM, Kevin Hao wrote:

-	for (i = 0; i < ATA_MAX_QUEUE; i++) {
-		tag = (i + ap->last_tag + 1) % ATA_MAX_QUEUE;
+	for (i = 0, tag = ap->last_tag + 1; i < max_queue; i++, tag++) {
+		tag = tag < max_queue ? tag : 0;

    Assigning 'tag' back to 'tag' is quite stupid, don't you think? Why not:

		if (tag >= max_queue)
			tag = 0;

Since I am an idiot, it is very possible for me to write stupid code.
But I don't believe this is one. I don't think the above code is more readable.

Perhaps I'm an idiot (I even seldom doubt it) but to me it looks like clear abuse of the ?: operator. But that's probably just me...

Thanks,
Kevin

MBR, Sergei

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