linux-kernel - Re: [PATCH] fat: Add nobarrier to workaround the strange behavior of device

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Message-ID: <20190628143216.GA538@infradead.org>
Date:   Fri, 28 Jun 2019 07:32:16 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH] fat: Add nobarrier to workaround the strange behavior of
 device

On Fri, Jun 28, 2019 at 11:18:19PM +0900, OGAWA Hirofumi wrote:
> To workaround those devices and provide flexibility, this adds
> "barrier"/"nobarrier" mount options to fat driver.

We have deprecated these rather misnamed options, and now instead allow
tweaking the 'cache_type' attribute on the SCSI device.

That being said if the device behave this buggy you should also report
it to to the usb-storage and scsi maintainers so that we can add a
quirk for it.