linux-ext4 - Re: [PATCH RESEND] Free allocated and pre-allocated blocks when check_eofblocks

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Message-ID: <20110711001035.GB28763@thunk.org>
Date:	Sun, 10 Jul 2011 20:10:36 -0400
From:	Ted Ts'o <tytso@....edu>
To:	Jiaying Zhang <jiayingz@...gle.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH RESEND] Free allocated and pre-allocated blocks when
 check_eofblocks_fl fails

On Tue, Jun 21, 2011 at 07:33:50PM -0700, Jiaying Zhang wrote:
> ext4: free allocated and pre-allocated blocks when check_eofblocks_fl fails
> 
> Upon corrupted inode or disk failures, we may fail after we already allocate
> some blocks from the inode or take some blocks from the inode's preallocation
> list, but before we successfully insert the corresponding extent to the extent
> tree. In this case, we should free any allocated blocks and discard the inode's
> preallocated blocks because the entries in the inode's preallocation list may
> be in an inconsistent state.
> 
> Signed-off-by: Jiaying Zhang <jiayingz@...gle.com>

Thanks, added to the ext4 tree.  I reformatted the commit description
because its fill width was a bit too large.

	    	    	     	       	 - Ted
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