linux-kernel - Re: [PATCH REPOST blktests v2 3/9] common-xfs: Make size argument optional for _xfs_run_fio_verify

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Message-ID: <i52iedwcrbg4zvx7t4rv7rkt2lgd4gnaklmpl7cd6s2yh2a4iy@eap3hhllfpzb>
Date:   Tue, 2 May 2023 15:20:44 +0200
From:   Daniel Wagner <dwagner@...e.de>
To:     Shinichiro Kawasaki <shinichiro.kawasaki@....com>
Cc:     Hannes Reinecke <hare@...e.de>,
        "linux-nvme@...ts.infradead.org" <linux-nvme@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        Chaitanya Kulkarni <kch@...dia.com>,
        Shin'ichiro Kawasaki <shinichiro@...tmail.com>
Subject: Re: [PATCH REPOST blktests v2 3/9] common-xfs: Make size argument
 optional for _xfs_run_fio_verify_io

> Hmm, AFAIK, bash arithmetic supports integer only. I tried below, and bash did
> not return floating value...
> 
>   $ avail=90000; echo $((avail/1024))
>   87
> 
> Assuming bash arithmetic supports integer only, -1 will not be required in the
> calculation.

Can't remember how I ended up with the above. Anyway, works just fine without
the printf.