linux-ext4 - Re: [PATCH -v2 2/3] mke2fs: print extra information about existing ext2/3/4 file systems

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Message-ID: <20140507024621.GB6461@thunk.org>
Date:	Tue, 6 May 2014 22:46:21 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Lukáš Czerner <lczerner@...hat.com>
Cc:	Ext4 Developers List <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH -v2 2/3] mke2fs: print extra information about existing
 ext2/3/4 file systems

On Tue, May 06, 2014 at 03:42:37PM +0200, Lukáš Czerner wrote:
> > +	retval = ext2fs_open2(device, 0, 0, 0, 0, unix_io_manager, &fs);
> 
> Sorry for not noticing this earlier, but we might want to pass
> EXT2_FLAG_64BITS.

Done.

> > +	} else if (sb->s_mkfs_time) {
> > +		tm = sb->s_mkfs_time;
> > +		printf(_("\tcreated on %s"), ctime(&tm));
> > +	} else if (sb->s_mkfs_time) {
> 
> This does not seem right, you've already checked for s_mkfs_time and
> if was not set if you got here. I guess, it should be something else
> ? s_wtime perhaps ? But, can this be set when the fs was not mounted
> (like using ext2fs library ?)
> 
> > +		tm = sb->s_mtime;
> 
> If you got here, then again this is not set.


Yes, that's a cut and paste typo, thanks for spotting it.  It should
have been:

	} else if (sb->s_mkfs_time) {
		tm = sb->s_mkfs_time;
		printf(_("\tcreated on %s"), ctime(&tm));
	} else if (sb->s_mtime) {  <========
		tm = sb->s_mtime;
		printf(_("\tlast modified on %s"), ctime(&tm));
	}


Cheers,

					- Ted
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