Re: [PATCH blktests] dm/002: repeat dmsetup remove command on failure with EBUSY

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To: Shinichiro Kawasaki <shinichiro.kawasaki@xxxxxxx>, Mikulas Patocka <mpatocka@xxxxxxxxxx>
Subject: Re: [PATCH blktests] dm/002: repeat dmsetup remove command on failure with EBUSY
From: Bart Van Assche <bvanassche@xxxxxxx>
Date: Thu, 11 Jul 2024 10:59:32 -0700
Cc: Bryan Gurney <bgurney@xxxxxxxxxx>, "linux-block@xxxxxxxxxxxxxxx" <linux-block@xxxxxxxxxxxxxxx>, "dm-devel@xxxxxxxxxxxxxxx" <dm-devel@xxxxxxxxxxxxxxx>, "snitzer@xxxxxxxxxx" <snitzer@xxxxxxxxxx>
In-reply-to: <nmildf5tauvp34aeibmzwcxao4ujbwnkkkesollifa4w5uwf2v@qi3pzxidduca>
References: <20240709124441.139769-1-shinichiro.kawasaki@wdc.com> <CAHhmqcT6F_b8ZJMbm9jbL0Zg-vv6zq9oxfMttzf1K4GH-zz=NQ@mail.gmail.com> <e767864a-7ecf-8459-30d5-daa654b4c0d2@redhat.com> <nmildf5tauvp34aeibmzwcxao4ujbwnkkkesollifa4w5uwf2v@qi3pzxidduca>
User-agent: Mozilla Thunderbird

On 7/11/24 3:39 AM, Shinichiro Kawasaki wrote:

It showed "Comm: (udev-worker)" is the process which keeps the DM
device open. [ ... ] Just adding "udevadm settle" before "dmsetup
remove" will avoid the failure.


I'm OK with either the retry loop from the patch at the start of this
email thread or adding "udevadm settle"

Thanks,

Bart.

References:
- [PATCH blktests] dm/002: repeat dmsetup remove command on failure with EBUSY
  - From: Shin'ichiro Kawasaki
- Re: [PATCH blktests] dm/002: repeat dmsetup remove command on failure with EBUSY
  - From: Bryan Gurney
- Re: [PATCH blktests] dm/002: repeat dmsetup remove command on failure with EBUSY
  - From: Mikulas Patocka
- Re: [PATCH blktests] dm/002: repeat dmsetup remove command on failure with EBUSY
  - From: Shinichiro Kawasaki

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