From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marex@denx.de>
Date: Fri, 7 Nov 2014 16:28:35 +0100
Subject: [U-Boot] [PATCH v2] test: ums: Add sleep before unmount
	directory
In-Reply-To: <1415365555-9790-1-git-send-email-l.majewski@samsung.com>
References: <1415269420-6528-1-git-send-email-l.majewski@samsung.com>
	<1415365555-9790-1-git-send-email-l.majewski@samsung.com>
Message-ID: <201411071628.35976.marex@denx.de>
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To: u-boot@lists.denx.de

On Friday, November 07, 2014 at 02:05:55 PM, Lukasz Majewski wrote:
> This change helps to run script on machines with quite long uptime.
> Without this the following error emerges:
> 
> File: ./dat_14M.img
> umount: /mnt/tmp-ums-test: device is busy.
>         (In some cases useful info about processes that use
>          the device is found by lsof(8) or fuser(1))
> TX: md5sum:083d3d22b542d3ecba61b12d17e03f9f
> mount: /dev/sdd6 already mounted or /mnt/tmp-ums-test busy
> mount: according to mtab, /dev/sdd6 is already mounted on /mnt/tmp-ums-test
> 
> Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>

Why exactly does mount not block until it can unmount the device anyway ?

Best regards,
Marek Vasut