[File] [PATCH] Magdir/filesystems for littlefs superblock

[Alexandre IOOSS]

Hello,

I would like to propose a patch to add support for littlefs filesystems.

littlefs (https://github.com/littlefs-project/littlefs/) partitions 
always start with two superblocks. These superblocks contain a fixed 
magic value "littlefs", and a constant 32-bit tag.

I was able to test this new signature on a littlefs partition dumped 
from an ESP32 micro-controller running Meshtastic 
(https://meshtastic.org/). I also used littlefs-python to create some 
samples with different block sizes and block counts to test the robustness.

Attached, you will find the diff.
I hope this patch will be included in future version of file.

Best regards,

-- 
Alexandre
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