Re: [PATCH] squashfs: Migrate from ll_rw_block usage to BIO

From: Philippe Liard
Date: Thu Oct 24 2019 - 20:45:39 EST

> Personally speaking, just for Android related use cases, I'd suggest
> latest EROFS if you care more about system overall performance more
> than compression ratio, even is
> applied (you can do benchmark), we did much efforts 3 years ago.
> And that is not only performance but noticable memory overhead (a lot
> of extra memory allocations) and heavy page cache thrashing in low
> memory scenarios (it's very common [1].)

Thanks for the suggestion. EROFS is on our radar and we will
(re)consider it once it goes out of staging. But we will most likely
stay on squashfs until this happens.