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From: Joe Perches <joe@perches.com>
To: Ju Hyung Park <qkrwngud825@gmail.com>, Thomas Meyer <thomas@m3y3r.de>
Cc: "jaegeuk@kernel.org" <jaegeuk@kernel.org>,
	Chao Yu <yuchao0@huawei.com>,
	linux-f2fs-devel@lists.sourceforge.net,
	linux-kernel@vger.kernel.org
Subject: Re: [f2fs-dev] [PATCH] f2fs: Fix bool initialization/comparison
Date: Sat, 07 Oct 2017 12:30:32 -0700	[thread overview]
Message-ID: <1507404632.27502.5.camel@perches.com> (raw)
In-Reply-To: <CAD14+f2qcTmYa066cNFOkSycsAHaCcc+q_63U75Jv=0y49_YhA@mail.gmail.com>

On Sat, 2017-10-07 at 23:33 +0900, Ju Hyung Park wrote:
> Isn't this bogus?
> 
> "bool" type in Linux kernel is a typedef to "_Bool"
> and true/false is defined as 1 and 0 by enum at include/linux/stddef.h.

Bogus?  Well, not really.  It's just a neatening and it's
identical object code.

The idea is that true/false is more intelligible than 1/0
for a human reader.

> On Sat, Oct 7, 2017 at 11:02 PM, Thomas Meyer <thomas@m3y3r.de> wrote:
> > Bool initializations should use true and false. Bool tests don't need
> > comparisons.
[]
> > diff -u -p a/fs/f2fs/data.c b/fs/f2fs/data.c
[]
> > @@ -419,7 +419,7 @@ next:
> >         bio_page = fio->encrypted_page ? fio->encrypted_page : fio->page;
> > 
> >         /* set submitted = 1 as a return value */
> > -       fio->submitted = 1;
> > +       fio->submitted = true;
> > 
> >         inc_page_count(sbi, WB_DATA_TYPE(bio_page));
> > 

And it's probably better to change the comment too.

  reply	other threads:[~2017-10-07 19:30 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-07 14:02 Cocci spatch "boolinit" - v4.14-rc1 Thomas Meyer
2017-10-07 14:02 ` [PATCH] cifs: Fix bool initialization/comparison Thomas Meyer
2017-10-10  1:14   ` Nico Kadel-Garcia
2017-10-07 14:02 ` [PATCH] f2fs: " Thomas Meyer
2017-10-07 14:33   ` [f2fs-dev] " Ju Hyung Park
2017-10-07 19:30     ` Joe Perches [this message]
2017-10-09  1:48       ` Chao Yu
2017-10-10 17:41         ` Jaegeuk Kim
2017-10-07 14:02 ` [PATCH] btrfs: " Thomas Meyer
2017-10-09 16:05   ` David Sterba
2017-10-07 14:02 ` [PATCH] nfsd: " Thomas Meyer
2017-10-07 14:02 ` [PATCH] apparmor: " Thomas Meyer
2017-10-07 17:18   ` John Johansen
2017-10-07 14:02 ` [PATCH] proc: " Thomas Meyer
2017-10-07 14:02 ` [PATCH] selinux: " Thomas Meyer
2017-10-10 23:17   ` Casey Schaufler
2017-10-10 23:19   ` Casey Schaufler
2017-10-13 22:40     ` Paul Moore
2017-10-07 14:02 ` [PATCH] ext4: " Thomas Meyer
2017-10-07 14:02 ` [PATCH] exofs: " Thomas Meyer
2017-10-07 14:02 ` [PATCH] bfq: " Thomas Meyer
2017-10-07 14:02 ` [PATCH] configfs: " Thomas Meyer
2017-10-19 14:08   ` Christoph Hellwig
2017-10-07 14:02 ` [PATCH] afs: " Thomas Meyer
2017-10-10 15:19   ` David Howells
2017-10-07 14:02 ` [PATCH] ceph: " Thomas Meyer
2017-10-09  1:52   ` Yan, Zheng
2017-10-07 14:02 ` [PATCH] pstore: " Thomas Meyer
2018-11-29 23:21   ` Kees Cook
2017-10-07 14:02 ` [PATCH] ima: " Thomas Meyer
2017-10-07 14:02 ` [PATCH] NFS: " Thomas Meyer
2017-10-07 14:02 ` [PATCH] xfs: " Thomas Meyer
2017-10-09 14:24   ` Brian Foster

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