From: Artem Bityutskiy <dedekind1@gmail.com>
To: Richard Weinberger <richard@nod.at>
Cc: Shmulik Ladkani <shmulik.ladkani@gmail.com>,
linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
Heinz.Egger@linutronix.de, tim.bird@am.sony.com,
tglx@linutronix.de
Subject: Re: [PATCH] [RFC] UBI: Implement Fastmap support
Date: Thu, 24 May 2012 11:17:52 +0300 [thread overview]
Message-ID: <1337847472.15137.81.camel@sauron.fi.intel.com> (raw)
In-Reply-To: <4FBBC4EE.4040802@nod.at>
[-- Attachment #1: Type: text/plain, Size: 872 bytes --]
On Tue, 2012-05-22 at 18:55 +0200, Richard Weinberger wrote:
> >> + e = find_early_wl_entry(&ubi->free, max_pnum);
> >
> > This picks the eb with the lowest pnum within 'ubi->free'.
> >
> > When called with INT_MAX (for the FM_DATA), why do you need to pick
> a
> > free eb with the minimal pnum? The FM_DATA EBs may reside everywhere
> (as
> > the FM_SB holds their location).
> > So why not pick the eb with a medium EC value (as done for standard
> > get_peb calls)? That might be better wear-leveling wise.
>
> Fair point.
> I'll fix that.
> Artem, any comments on that?
The 'find_early_wl_entry()' function is used (currently) only at early
stages. At these stages the we do not have the PEBs sorted by EC. We
have just a list. This function should not be use after the WL subsystem
is initialized.
>
--
Best Regards,
Artem Bityutskiy
[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 836 bytes --]
next prev parent reply other threads:[~2012-05-24 8:14 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-21 14:01 [RFC v6] UBI: Fastmap support (aka checkpointing) Richard Weinberger
2012-05-21 14:01 ` [PATCH] [RFC] UBI: Implement Fastmap support Richard Weinberger
2012-05-22 13:43 ` Artem Bityutskiy
2012-05-22 15:01 ` Shmulik Ladkani
2012-05-22 16:55 ` Richard Weinberger
2012-05-22 18:18 ` Shmulik Ladkani
2012-05-22 18:57 ` Richard Weinberger
2012-05-23 6:18 ` Shmulik Ladkani
2012-05-23 7:43 ` Richard Weinberger
2012-05-22 20:11 ` Richard Weinberger
2012-05-24 8:19 ` Artem Bityutskiy
2012-05-24 8:26 ` Richard Weinberger
2012-05-24 9:21 ` Artem Bityutskiy
2012-05-24 8:17 ` Artem Bityutskiy [this message]
2012-05-24 9:56 ` Shmulik Ladkani
2012-05-24 10:03 ` Richard Weinberger
2012-05-24 20:07 ` Shmulik Ladkani
2012-05-24 8:22 ` Artem Bityutskiy
2012-05-24 8:24 ` Richard Weinberger
2012-05-23 11:06 [RFC v7] UBI: Fastmap support (aka checkpointing) Richard Weinberger
2012-05-23 11:06 ` [PATCH] [RFC] UBI: Implement Fastmap support Richard Weinberger
2012-05-26 13:22 ` Artem Bityutskiy
2012-05-31 10:37 ` Adrian Hunter
2012-05-31 13:31 ` Richard Weinberger
2012-06-01 5:47 ` Adrian Hunter
2012-06-01 8:00 ` Richard Weinberger
2012-06-01 8:10 ` Artem Bityutskiy
2012-06-01 8:10 ` Richard Weinberger
2012-06-01 8:47 ` Adrian Hunter
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1337847472.15137.81.camel@sauron.fi.intel.com \
--to=dedekind1@gmail.com \
--cc=Heinz.Egger@linutronix.de \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mtd@lists.infradead.org \
--cc=richard@nod.at \
--cc=shmulik.ladkani@gmail.com \
--cc=tglx@linutronix.de \
--cc=tim.bird@am.sony.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome