linux-kernel - Re: [PATCH v4 2/3] dax/bus: Introduce guard(device) for device

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Message-ID: <6578b77dc911e_22601629440@iweiny-mobl.notmuch>
Date:   Tue, 12 Dec 2023 11:41:49 -0800
From:   Ira Weiny <ira.weiny@...el.com>
To:     Vishal Verma <vishal.l.verma@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Dave Jiang <dave.jiang@...el.com>
CC:     <linux-kernel@...r.kernel.org>, <nvdimm@...ts.linux.dev>,
        <linux-cxl@...r.kernel.org>, David Hildenbrand <david@...hat.com>,
        "Dave Hansen" <dave.hansen@...ux.intel.com>,
        Huang Ying <ying.huang@...el.com>,
        "Joao Martins" <joao.m.martins@...cle.com>
Subject: Re: [PATCH v4 2/3] dax/bus: Introduce guard(device) for
 device_{lock,unlock} flows

Vishal Verma wrote:
> Introduce a guard(device) macro to lock a 'struct device', and unlock it
> automatically when going out of scope using Scope Based Resource
> Management semantics. A lot of the sysfs attribute writes in
> drivers/dax/bus.c benefit from a cleanup using these, so change these
> where applicable.
> 
> Cc: Joao Martins <joao.m.martins@...cle.com>
> Suggested-by: Dan Williams <dan.j.williams@...el.com>
> Signed-off-by: Vishal Verma <vishal.l.verma@...el.com>
>

Reviewed-by: Ira Weiny <ira.weiny@...el.com>