From: Eric Dumazet <dada1@cosmosbay.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] removes filp_count_lock and changes nr_files type to atomic_t
Date: Thu, 25 Aug 2005 11:17:23 +0200 [thread overview]
Message-ID: <430D8CA3.3030709@cosmosbay.com> (raw)
In-Reply-To: <20050825090854.GA9740@infradead.org>
Christoph Hellwig a écrit :
> On Thu, Aug 25, 2005 at 10:45:12AM +0200, Eric Dumazet wrote:
>
>>This patch assumes that atomic_read() is a plain {return v->counter;} on
>>all architectures. (keywords : sysctl, /proc/sys/fs/file-nr, proc_dointvec)
>
>
> But that's not true. You need to write you own sysctl handler for it,
> probably worth adding a generic atomic_t sysctl handler while you're
> at it.
>
I checked linux-2.6.13-rc7 tree, and atomic_read() is just a wrapper to read
v->counter.
In the ancient times, yes, atomic_read() was different on some archs, but not
today.
Eric
next prev parent reply other threads:[~2005-08-25 9:19 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-24 21:46 [patch] Additions to .data.read_mostly section Ravikiran G Thirumalai
2005-08-24 22:38 ` Eric Dumazet
2005-08-25 7:56 ` Arjan van de Ven
2005-08-25 8:45 ` [PATCH] removes filp_count_lock and changes nr_files type to atomic_t Eric Dumazet
2005-08-25 9:05 ` Arjan van de Ven
2005-08-25 9:20 ` Eric Dumazet
2005-08-25 9:31 ` Arjan van de Ven
2005-08-25 9:08 ` Christoph Hellwig
2005-08-25 9:17 ` Eric Dumazet [this message]
2005-08-25 9:23 ` Christoph Hellwig
2005-08-25 10:41 ` Eric Dumazet
2005-08-25 11:11 ` Nick Piggin
2005-08-25 12:26 ` Eric Dumazet
2005-08-25 14:51 ` Nick Piggin
2005-08-25 14:56 ` Christoph Hellwig
2005-08-25 15:13 ` Eric Dumazet
2005-08-25 18:19 ` Dipankar Sarma
2005-08-25 18:36 ` Christoph Hellwig
2005-08-26 1:16 ` Nick Piggin
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=430D8CA3.3030709@cosmosbay.com \
--to=dada1@cosmosbay.com \
--cc=akpm@osdl.org \
--cc=hch@infradead.org \
--cc=linux-kernel@vger.kernel.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.