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From: Joe Perches <joe@perches.com>
To: Mateusz Guzik <mguzik@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	Josef Bacik <jbacik@fb.com>, Jan Kara <jack@suse.cz>,
	Al Viro <viro@ZenIV.linux.org.uk>,
	Eric Sandeen <esandeen@redhat.com>
Subject: Re: [PATCH 2/2] fs: print a message when freezing/unfreezing filesystems
Date: Tue, 13 May 2014 11:39:31 -0700	[thread overview]
Message-ID: <1400006371.24350.45.camel@joe-AO725> (raw)
In-Reply-To: <1400005862-3751-2-git-send-email-mguzik@redhat.com>

On Tue, 2014-05-13 at 20:31 +0200, Mateusz Guzik wrote:
> This helps hang troubleshooting efforts when only dmesg is available.
[]
> diff --git a/fs/super.c b/fs/super.c
[]
> @@ -1289,12 +1289,9 @@ int freeze_super(struct super_block *sb)
>  		return 0;	/* sic - it's "nothing to do" */
>  	}
>  
> -	if (sb->s_flags & MS_RDONLY) {
> +	if (sb->s_flags & MS_RDONLY)
>  		/* Nothing to do really... */
> -		sb->s_writers.frozen = SB_FREEZE_COMPLETE;
> -		up_write(&sb->s_umount);
> -		return 0;
> -	}
> +		goto out;

Should this block really be part of this patch?
If so, please add a small note to the commit log.

I'm not sure making the reader goto out for this
bit of the code needs doing as there are multiple
blocks with return above here.

Trivially, when there is a comment in a single line
like this, then braces are often used too.
 


  reply	other threads:[~2014-05-13 18:39 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-13 18:31 [PATCH 1/2] fs: include device name in error messages about freezing Mateusz Guzik
2014-05-13 18:31 ` [PATCH 2/2] fs: print a message when freezing/unfreezing filesystems Mateusz Guzik
2014-05-13 18:39   ` Joe Perches [this message]
2014-05-13 18:53     ` Mateusz Guzik
2014-05-13 19:00       ` Joe Perches
2014-05-13 19:06         ` Mateusz Guzik
2014-05-14 21:54   ` Dave Chinner
2014-05-15  2:17     ` Theodore Ts'o
2014-05-15  3:04       ` Dave Chinner
2014-05-15  9:42     ` Mateusz Guzik
2014-05-15 10:01       ` Jan Kara
2014-05-15 10:43         ` Lukáš Czerner
2014-05-15 12:47         ` Theodore Ts'o
2014-05-15 13:46           ` Jan Kara
2014-05-15 14:15             ` Theodore Ts'o

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