Re: [PATCH] ubifs: Add support for zstd compression.

From: Richard Weinberger
Date: Sat Jun 08 2019 - 04:51:16 EST

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> ARM Cortex-A7. The kernel is compiled with gcc 7.3.1. Next week I'll
> test some more.

Good to know!

> I have a question about how the decompression is done while reading.
> When a large file is read from the filesystem (assuming not in any
> cache), is it the case that first a chunk is read from flash, that
> chunk is then decompressed, later next chunk is read from flash, that
> one is then decompressed and so on, or can the decompression be done
> in parallel while reading the next chunk from flash?

No, this is a serial operation.