Re: [PATCH] block: Remove judgement for rq_mergeable(rq) in funcelv_rqhash_find.

From: Jens Axboe
Date: Mon Jan 07 2013 - 02:55:38 EST

On 2013-01-07 06:08, majianpeng wrote:
> Because only mergeable rq can add rqhash.So it does not make sense to
> judge rq_mergeable(rq) in func elv_rqhash_find.

It does make sense. A request is always mergeable when it enters the
hash, but it may not remain mergeable. This can happen if we merge it to
its maximum size, for instance.

Jens Axboe

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