linux-kernel - Re: 答复: 答复: [PATCH RFC] ubi: ubi_wl_get_peb: Replace a limited number of attempts with polling while getting PEB

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Message-ID: <699614206.55882.1564652413789.JavaMail.zimbra@nod.at>
Date:   Thu, 1 Aug 2019 11:40:13 +0200 (CEST)
From:   Richard Weinberger <richard@....at>
To:     chengzhihao1 <chengzhihao1@...wei.com>
Cc:     yi zhang <yi.zhang@...wei.com>,
        linux-mtd <linux-mtd@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: 答复: 答复: [PATCH RFC] ubi: ubi_wl_get_peb: Replace a limited number of attempts with polling while getting PEB

----- Ursprüngliche Mail -----
>> Do you have numbers how many attempts were needed to get a free block?
> I tested it dozens of times. The biggest number of attempts I've ever had so far
> is 6. In most cases, it only takes 2 or 3 times.

So raising the retry count to, let's say, 10 would work too?
Having it unbound feels dangerous because it may hide other problems.

Thanks,
//richard