On Tue, Sep 06, 2016 at 04:36:49AM +0200, Stefan Brüns wrote:
> The last free block of a block group may be in its middle. After it has
> been allocated, the next block group should be scanned from its beginning.
>
> The following command triggers the bad behaviour (on a blocksize 1024 fs):
>
> ./sandbox/u-boot -c 'i=0; host bind 0 ./disk.raw ;
> while test $i -lt 260 ; do echo $i; setexpr i $i + 1;
> ext4write host 0:2 0 /X${i} 0x1450; done ;
> ext4write host 0:2 0 /X240 0x2000 ; '
>
> When 'X240' is extended from 5200 byte to 8192 byte, the new blocks should
> start from the first free block (8811), but it uses the blocks 8098-8103
> and 16296-16297 -- 8103 + 1 + 8192 = 16296. This can be shown with
> debugfs, commands 'ffb' and 'stat X240'.
>
> Signed-off-by: Stefan Brüns <stefan.bru...@rwth-aachen.de>
> Reviewed-by: Lukasz Majewski <l.majew...@samsung.com>Applied to u-boot/master, thanks! -- Tom
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