linux-ext4 - Re: [RESEND] [PATCH 2/2 v2] e2fsck: Do not forget to discard last block group

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Message-ID: <4F47A2BC.50307@ubuntu.com>
Date:	Fri, 24 Feb 2012 09:46:20 -0500
From:	Phillip Susi <psusi@...ntu.com>
To:	Lukas Czerner <lczerner@...hat.com>
CC:	linux-ext4@...r.kernel.org, tytso@....edu, sandeen@...hat.com
Subject: Re: [RESEND] [PATCH 2/2 v2] e2fsck: Do not forget to discard last
 block group

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On 2/24/2012 3:34 AM, Lukas Czerner wrote:
> Previously when running e2fsck with '-E discard' argument the end
> of the last group has not been discarded. This patch fixes it so
> we always discard the end of the last group if needed.
> 
> This commit also removes unneeded argument from the 
> e2fsck_discard_blocks(). Simultaneously the commit causes the
> block groups with BLOCK_UNINIT flag not to be discarded, which
> makes since because we do not need to reclaim the space since so
> far there has not been written anything.

I don't see where this patch changes anything to do with uninitialized
block bitmaps.  It also is still a good idea to discard them since
they may have been initialized at some point in the past and become
uninitialized again.

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