linux-kernel - Re: [PATCH] selftests/mount: output error messages when mount test fail

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Message-ID: <551D5087.3010900@osg.samsung.com>
Date:	Thu, 02 Apr 2015 08:21:59 -0600
From:	Shuah Khan <shuahkh@....samsung.com>
To:	Zhang Zhen <zhenzhang.zhang@...wei.com>, linux-api@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
CC:	mpe@...erman.id.au, ebiederm@...ssion.com,
	Shuah Khan <shuahkh@....samsung.com>
Subject: Re: [PATCH] selftests/mount: output error messages when mount test
 fail

On 04/02/2015 12:52 AM, Zhang Zhen wrote:
> Without this patch, if /proc/self/uid_map is not exist,
> the mount test case will fail and no any prompting.
> 
> After applied this patch, the case will prompt why it fail.
> Just as follows:
> root@...nel-host:/opt/kernel> make -C tools/testing/selftests TARGETS=mount run_tests
> make: Entering directory `/opt/kernel/tools/testing/selftests'
> for TARGET in mount; do \
>                 make -C $TARGET; \
>         done;
> make[1]: Entering directory `/opt/kernel/tools/testing/selftests/mount'
> make[1]: Nothing to be done for `all'.
> make[1]: Leaving directory `/opt/kernel/tools/testing/selftests/mount'
> for TARGET in mount; do \
>                 make -C $TARGET run_tests; \
>         done;
> make[1]: Entering directory `/opt/kernel/tools/testing/selftests/mount'
> ERROR: No /proc/self/uid_map exist
> make[1]: Leaving directory `/opt/kernel/tools/testing/selftests/mount'
> make: Leaving directory `/opt/kernel/tools/testing/selftests'
> 
> Signed-off-by: Zhang Zhen <zhenzhang.zhang@...wei.com>

Thanks for fixing this. It will get into 4.1-rc2.

thanks,
-- Shuah

-- 
Shuah Khan
Sr. Linux Kernel Developer
Open Source Innovation Group
Samsung Research America (Silicon Valley)
shuahkh@....samsung.com | (970) 217-8978
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