Re: lz4hc compression in UBIFS?
From: Konstantin Tokarev
Date: Mon Oct 28 2013 - 12:28:29 EST
24.10.2013, 19:15, "Konstantin Tokarev" <annulen@xxxxxxxxx>:
> Attached patch to crypto API wrapper for lz4hc seems to fix the issue. I can save
> and read files on LZ4HC-compressed volume, and I'm running on LZ4HC-compressed rootfs,
> flashed from mkfs.ubifs generated image (patch by Elie De Brauwer). My software
> works correctly.
> Unfortunately, on my board LZ4HC-compressed UBIFS volume performs noticeable worse
> than LZO, while still faster than zlib. I guess the reason is that CPU is no longer a
> bottleneck for my system, but NAND speed.
> Thank you all for your help!
Can anyone review the correctness of my patch? Looks like API of LZ4 decompressor is
used wrong way in crypto API.
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