From mboxrd@z Thu Jan  1 00:00:00 1970
From: Neil Brown <neilb@suse.de>
Subject: Re: [PATCH 02/12] raid5-cache: free I/O units earlier
Date: Tue, 15 Sep 2015 10:07:12 +0200
Message-ID: <87zj0o5cnj.fsf@notabene.neil.brown.name>
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Christoph Hellwig <hch@lst.de> writes:

> +	sector_t reclaimable;

sector_t is unsigned (u64 or "unsigned long"), so

> +	BUG_ON(reclaimable < 0);

This could only be a compiler bug.

NeilBrown

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