Re: [PATCH] blk-mq: use mutex_trylock to avoid lock inversion

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To: "jianchao.wang" <jianchao.w.wang@xxxxxxxxxx>, "axboe@xxxxxxxxx" <axboe@xxxxxxxxx>
Subject: Re: [PATCH] blk-mq: use mutex_trylock to avoid lock inversion
From: Bart Van Assche <bart.vanassche@xxxxxxx>
Date: Tue, 26 Jun 2018 08:36:53 -0700
Cc: "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "linux-block@xxxxxxxxxxxxxxx" <linux-block@xxxxxxxxxxxxxxx>
In-reply-to: <a0350d07-3c11-c04c-d9ba-94a5868e7d8f@oracle.com>
References: <1529391637-1704-1-git-send-email-jianchao.w.wang@oracle.com> <2409013d789ca266879d24c815b76c2193e23fe3.camel@wdc.com> <d528a730-8e44-225b-2a35-3544160761dc@oracle.com> <2c2003ff1baac05688495677f67239d52f6d9527.camel@wdc.com> <2a1dda06-5c7c-b75b-c1ae-75d1a2a49694@oracle.com> <a0350d07-3c11-c04c-d9ba-94a5868e7d8f@oracle.com>
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On 06/25/18 20:47, jianchao.wang wrote:

V2 patch has been posted, would you please take a look at on them ?
https://marc.info/?l=linux-block&m=152965143412927&w=2


Hello Jianchao,

Patches 1/3 and 2/3 of that series look fine to me but I don't like theapproach of patch 3/3 so please do not expect a review from me for thatpatch.


Thanks,

Bart.

Follow-Ups:
- Re: [PATCH] blk-mq: use mutex_trylock to avoid lock inversion
  - From: jianchao.wang

References:
- [PATCH] blk-mq: use mutex_trylock to avoid lock inversion
  - From: Jianchao Wang
- Re: [PATCH] blk-mq: use mutex_trylock to avoid lock inversion
  - From: Bart Van Assche
- Re: [PATCH] blk-mq: use mutex_trylock to avoid lock inversion
  - From: jianchao.wang
- Re: [PATCH] blk-mq: use mutex_trylock to avoid lock inversion
  - From: Bart Van Assche
- Re: [PATCH] blk-mq: use mutex_trylock to avoid lock inversion
  - From: jianchao.wang
- Re: [PATCH] blk-mq: use mutex_trylock to avoid lock inversion
  - From: jianchao.wang

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