linux-ext4 - Re: [PATCH] e2fsprogs: Handle rec_len correctly for 64KB blocksize

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Message-ID: <20071112161019.GE1465@duck.suse.cz>
Date:	Mon, 12 Nov 2007 17:10:19 +0100
From:	Jan Kara <jack@...e.cz>
To:	Theodore Tso <tytso@....edu>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH] e2fsprogs: Handle rec_len correctly for 64KB blocksize

On Mon 12-11-07 09:58:23, Theodore Tso wrote:
> On Mon, Nov 12, 2007 at 10:52:45AM +0100, Jan Kara wrote:
> > > Did you test this patch before submitting it?
> >
> >   Argh, stupid me. I've just tested that I didn't break anything for normal
> > block size and thought that I cannot make mistake in such a simple thing
> > ;).
> 
> Could I ask you to perhaps include some 64k blocksize test cases that
> would exercise the new codepaths?
  Fair enough, will do.

> > > The only way to do this is to find all of the places that reference
> > > rec_len, and do the check there.
> >   Yes.. Thanks for having look.
> 
> One suggestion is that instead of just creating an conversion
> function, and then doing a global search and replace, in some places
> it might be better to declare an integer variable, and then assign
> "rec_len = ext2fs_rec_len_from_disk(dirent->rec_len)".  For example,
> that would make ext2fs_process_dir_block() more readable, where
> dirent->rec_len is used no less than eight times.
  OK, thanks for suggestion.

> Thanks, and my apologies for not having time to review the patch until
> now.  At the moment things are a bit crazy since I am effectively
> doing two jobs, since I am in transition between two assignments, and
> me doing most of both of them at the moment.  I should have
> substantially more time after the new year begins.
  I see. I'll be patient then :)

								Honza
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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