linux-ext4 - Re: [PATCH] e2fsprogs: fix "Illegal block number" for scan_block

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Message-ID: <20111112021613.GG4055@thunk.org>
Date:	Fri, 11 Nov 2011 21:16:13 -0500
From:	Ted Ts'o <tytso@....edu>
To:	Robin Dong <hao.bigrat@...il.com>
Cc:	linux-ext4@...r.kernel.org, Robin Dong <sanbai@...bao.com>
Subject: Re: [PATCH] e2fsprogs: fix "Illegal block number" for
 scan_block_bitmap()

On Thu, Nov 10, 2011 at 08:15:24PM +0800, Robin Dong wrote:
> From: Robin Dong <sanbai@...bao.com>
> 
> After:
> # mke2fs -O ^has_journal,^resize_inode,^uninit_bg,extent,meta_bg,flex_bg,bigalloc /dev/sda
> # e2freefrag /dev/sda
> 
> It will report error message like:
> 
>  Illegal block number passed to ext2fs_test_block_bitmap #1732133 for block bitmap for /dev/sda
>  Illegal block number passed to ext2fs_test_block_bitmap #1732134 for block bitmap for /dev/sda
>  Illegal block number passed to ext2fs_test_block_bitmap #1732135 for block bitmap for /dev/sda
> 
> One bit in bitmap of bigalloc-ext4 means a cluster not a block, therefore ext2fs_fast_test_block_bitmap2
> should check cluster.
> 
> Signed-off-by: Robin Dong <sanbai@...bao.com>

Thanks, applied.

						- Ted
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