linux-ext4 - Re: [PATCH v3 2/3] ext4: Try to initialize all groups we can in case of failure on ppc64

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Date:	Mon, 8 Jun 2015 11:39:21 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Lukas Czerner <lczerner@...hat.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH v3 2/3] ext4: Try to initialize all groups we can in case
 of failure on ppc64

On Tue, Jun 02, 2015 at 07:30:04PM +0200, Lukas Czerner wrote:
> Currently on the machines with page size > block size when initializing
> block group buddy cache we initialize it for all the block group bitmaps
> in the page. However in the case of read error, checksum error, or if
> a single bitmap is in any way corrupted we would fail to initialize all
> of the bitmaps. This is problematic because we will not have access to
> the other allocation groups even though those might be perfectly fine
> and usable.
> 
> Fix this by reading all the bitmaps instead of error out on the first
> problem and simply skip the bitmaps which were either not read properly,
> or are not valid.
> 
> Signed-off-by: Lukas Czerner <lczerner@...hat.com>

Thanks, applied.

					- Ted
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