Re: [Regression] ext4: changes to mb_optimize_scan cause issues on Raspberry Pi

[Stefan Wahren]

Hi Jan,

Am 28.07.22 um 12:00 schrieb Jan Kara:
> Also can get filesystem metadata image of your card like:
>    e2image -r <fs-device> - | gzip >/tmp/ext4-image.gz
>
> and put it somewhere for download? The image will contain only fs metadata,
> not data so it should be relatively small and we won't have access to your
> secrets ;). With the image we'd be able to see how the free space looks
> like and whether it perhaps does not trigger some pathological behavior.
i've problems with this. If i try store uncompressed the metadata of the 
second SD card partition (/dev/sdb2 = rootfs) the generated image file 
is nearly big as the whole partition. In compressed state it's 25 MB. Is 
this expected?