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From: Wols Lists <antlists@youngman.org.uk>
To: Song Liu <songliubraving@fb.com>,
	"Guilherme G. Piccoli" <gpiccoli@canonical.com>
Cc: "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	Song Liu <liu.song.a23@gmail.com>, NeilBrown <neilb@suse.com>,
	linux-raid <linux-raid@vger.kernel.org>,
	"dm-devel@redhat.com" <dm-devel@redhat.com>,
	Jay Vosburgh <jay.vosburgh@canonical.com>
Subject: Re: [PATCH v3 1/2] md raid0/linear: Mark array as 'broken' and fail BIOs if a member is gone
Date: Fri, 30 Aug 2019 11:47:24 +0100	[thread overview]
Message-ID: <5D68FEBC.9060709@youngman.org.uk> (raw)
In-Reply-To: <F0E716F8-76EC-4315-933D-A547B52F1D27@fb.com>

On 23/08/19 18:51, Song Liu wrote:
> I guess md_is_broken() should return bool? Otherwise, looks good to me. 

Just an outsider's observation - if the function is actually checking
whether a member is missing maybe it should read

   broken = md_member_is_missing();

That way the function says what it does, and the assignment says what
you're doing with it.

Cheers,
Wol

WARNING: multiple messages have this Message-ID (diff)
From: Wols Lists <antlists@youngman.org.uk>
To: Song Liu <songliubraving@fb.com>,
	"Guilherme G. Piccoli" <gpiccoli@canonical.com>
Cc: linux-raid <linux-raid@vger.kernel.org>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	"dm-devel@redhat.com" <dm-devel@redhat.com>,
	Jay Vosburgh <jay.vosburgh@canonical.com>,
	Song Liu <liu.song.a23@gmail.com>, NeilBrown <neilb@suse.com>
Subject: Re: [PATCH v3 1/2] md raid0/linear: Mark array as 'broken' and fail BIOs if a member is gone
Date: Fri, 30 Aug 2019 11:47:24 +0100	[thread overview]
Message-ID: <5D68FEBC.9060709@youngman.org.uk> (raw)
In-Reply-To: <F0E716F8-76EC-4315-933D-A547B52F1D27@fb.com>

On 23/08/19 18:51, Song Liu wrote:
> I guess md_is_broken() should return bool? Otherwise, looks good to me. 

Just an outsider's observation - if the function is actually checking
whether a member is missing maybe it should read

   broken = md_member_is_missing();

That way the function says what it does, and the assignment says what
you're doing with it.

Cheers,
Wol

  reply	other threads:[~2019-08-30 10:47 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-22 16:13 [PATCH v3 1/2] md raid0/linear: Mark array as 'broken' and fail BIOs if a member is gone Guilherme G. Piccoli
2019-08-22 16:13 ` Guilherme G. Piccoli
2019-08-22 16:13 ` [PATCH v3 2/2] mdadm: Introduce new array state 'broken' for raid0/linear Guilherme G. Piccoli
2019-08-22 16:13   ` Guilherme G. Piccoli
2019-08-22 21:56   ` Song Liu
2019-08-22 21:56     ` Song Liu
2019-08-29 12:51   ` Guilherme G. Piccoli
2019-08-29 12:51     ` Guilherme G. Piccoli
2019-08-30  8:17   ` NeilBrown
2019-08-30  8:17     ` NeilBrown
2019-08-30 12:48     ` Guilherme G. Piccoli
2019-08-30 12:48       ` Guilherme G. Piccoli
2019-08-22 21:55 ` [PATCH v3 1/2] md raid0/linear: Mark array as 'broken' and fail BIOs if a member is gone Song Liu
2019-08-22 21:55   ` Song Liu
2019-08-23 17:48   ` Guilherme G. Piccoli
2019-08-23 17:48     ` Guilherme G. Piccoli
2019-08-23 17:51     ` Song Liu
2019-08-23 17:51       ` Song Liu
2019-08-30 10:47       ` Wols Lists [this message]
2019-08-30 10:47         ` Wols Lists
2019-08-30 11:25         ` Guilherme Piccoli
2019-08-30 11:25           ` Guilherme Piccoli
2019-09-03 19:53           ` Guilherme G. Piccoli
2019-09-03 19:53             ` Guilherme G. Piccoli
2019-08-30  8:08 ` NeilBrown
2019-08-30  8:08   ` NeilBrown

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