From: Richard Weinberger <richard@nod.at>
To: Emil Lenngren <emil.lenngren@gmail.com>
Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>,
linux-mtd <linux-mtd@lists.infradead.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Michele Dionisio <michele.dionisio@gmail.com>
Subject: Re: [PATCH] ubifs: Add support for zstd compression.
Date: Sat, 8 Jun 2019 10:46:54 +0200 (CEST) [thread overview]
Message-ID: <2132182687.85021.1559983614464.JavaMail.zimbra@nod.at> (raw)
In-Reply-To: <CAO1O6seVp0wBVE6AKmu+EYhoghxbErNuK1F=Y5ewzD=CRro24g@mail.gmail.com>
----- Ursprüngliche Mail -----
> 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.
Thanks,
//richard
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prev parent reply other threads:[~2019-06-08 8:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-15 21:02 [PATCH] ubifs: Add support for zstd compression Richard Weinberger
2019-05-16 18:23 ` Sebastian Andrzej Siewior
2019-06-07 15:34 ` Emil Lenngren
2019-06-07 20:09 ` Richard Weinberger
2019-06-07 20:27 ` Emil Lenngren
2019-06-07 20:49 ` Richard Weinberger
2019-06-07 23:40 ` Emil Lenngren
2019-06-08 8:46 ` Richard Weinberger [this message]
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