linux-kernel - Re: [LTP] 56cbb429d9: ltp.fs

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Date:   Thu, 25 Jul 2019 15:26:27 +0200
From:   Cyril Hrubis <chrubis@...e.cz>
To:     kernel test robot <rong.a.chen@...el.com>
Cc:     Al Viro <viro@...iv.linux.org.uk>, lkp@...org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>, ltp@...ts.linux.it
Subject: Re: [LTP] 56cbb429d9: ltp.fs_fill.fail

Hi!
> tst_test.c:1161: INFO: Testing on vfat
> tst_mkfs.c:90: INFO: Formatting /dev/loop0 with vfat opts='' extra opts=''
> mkfs.vfat: unable to open /dev/loop0: Device or resource busy
> tst_mkfs.c:101: BROK: mkfs.vfat:1: tst_test.c failed with 741

This looks like mkfs.vfat got EBUSY after the loop device was
succesfully umounted.

We do run the test in a loop for several filesystems and the loop
generally does:

next:
	mkfs
	mount
	test
	umount
	goto next;

-- 
Cyril Hrubis
chrubis@...e.cz