linux-ext4 - Re: [PATCH] ext4: Convert ext4 to new truncate calling convention

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Date:	Wed, 25 May 2011 09:45:36 -0400
From:	Ted Ts'o <tytso@....edu>
To:	Jan Kara <jack@...e.cz>
Cc:	linux-ext4@...r.kernel.org, Christoph Hellwig <hch@...radead.org>
Subject: Re: [PATCH] ext4: Convert ext4 to new truncate calling convention

On Wed, May 25, 2011 at 10:43:08AM +0200, Jan Kara wrote:
>  int ext4_can_truncate(struct inode *inode)
>  {
> -	if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
> -		return 0;

I agree this change is correct, but I noticed that at the VFS level,
the ftruncate() path doesn't seem to check for IS_APPEND() and
IS_IMMUTABLE().  Am I missing something?  Fixing that should be a
separate patch, of course, but it does seem to be a problem.

	 	   	       	       - Ted
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