All of lore.kernel.org
 help / color / mirror / Atom feed
From: Greg KH <gregkh@linuxfoundation.org>
To: Ian Pilcher <arequipeno@gmail.com>
Cc: "Marek Behún" <kabel@kernel.org>,
	hch@lst.de, axboe@kernel.dk, kernelnewbies@kernelnewbies.org,
	linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
	pavel@ucw.cz, pali@kernel.org, linux-leds@vger.kernel.org
Subject: Re: [RFC PATCH v2 00/10] Add configurable block device LED triggers
Date: Tue, 10 Aug 2021 08:35:08 +0200	[thread overview]
Message-ID: <YRIeHH1SLl6tYCeY@kroah.com> (raw)
In-Reply-To: <7b5f3509-5bcd-388b-8d3b-4ea95a9483ad@gmail.com>

On Mon, Aug 09, 2021 at 06:50:44PM -0500, Ian Pilcher wrote:
> On 8/9/21 5:43 PM, Marek Behún wrote:
> > I confess that I am not very familiar with internal blkdev API.
> 
> It's mainly a matter of symbol visibility.  See this thread from a few
> months ago:
> 
>   https://www.spinics.net/lists/linux-leds/msg18244.html
> 
> Now ... my code currently lives in block/, so there isn't actually
> anything technically preventing it from iterating through the block
> devices.
> 
> The reactions to Enzo's patch (which you can see in that thread) make me
> think that anything that iterates through all block devices is likely to
> be rejected, but maybe I'm reading too much into it.
> 
> 
> Greg / Christoph -
> 
> (As you were the people who expressed disapproval of Enzo's patch to
> export block_class and disk_type ...)
> 
> Can you weigh in on the acceptability of iterating through the block
> devices (searching by name) from LED trigger code within the block
> subsystem (i.e. no new symbols would need to be exported)?
> 
> This would allow the trigger to implement the sysfs API that Marek and
> Pavel want.

No idea, let's see the change first, we can never promise anything :)

thanks,

greg k-h

WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <gregkh@linuxfoundation.org>
To: Ian Pilcher <arequipeno@gmail.com>
Cc: "Marek Behún" <kabel@kernel.org>,
	axboe@kernel.dk, kernelnewbies@kernelnewbies.org,
	linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
	pavel@ucw.cz, pali@kernel.org, hch@lst.de,
	linux-leds@vger.kernel.org
Subject: Re: [RFC PATCH v2 00/10] Add configurable block device LED triggers
Date: Tue, 10 Aug 2021 08:35:08 +0200	[thread overview]
Message-ID: <YRIeHH1SLl6tYCeY@kroah.com> (raw)
In-Reply-To: <7b5f3509-5bcd-388b-8d3b-4ea95a9483ad@gmail.com>

On Mon, Aug 09, 2021 at 06:50:44PM -0500, Ian Pilcher wrote:
> On 8/9/21 5:43 PM, Marek Behún wrote:
> > I confess that I am not very familiar with internal blkdev API.
> 
> It's mainly a matter of symbol visibility.  See this thread from a few
> months ago:
> 
>   https://www.spinics.net/lists/linux-leds/msg18244.html
> 
> Now ... my code currently lives in block/, so there isn't actually
> anything technically preventing it from iterating through the block
> devices.
> 
> The reactions to Enzo's patch (which you can see in that thread) make me
> think that anything that iterates through all block devices is likely to
> be rejected, but maybe I'm reading too much into it.
> 
> 
> Greg / Christoph -
> 
> (As you were the people who expressed disapproval of Enzo's patch to
> export block_class and disk_type ...)
> 
> Can you weigh in on the acceptability of iterating through the block
> devices (searching by name) from LED trigger code within the block
> subsystem (i.e. no new symbols would need to be exported)?
> 
> This would allow the trigger to implement the sysfs API that Marek and
> Pavel want.

No idea, let's see the change first, we can never promise anything :)

thanks,

greg k-h

_______________________________________________
Kernelnewbies mailing list
Kernelnewbies@kernelnewbies.org
https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

  reply	other threads:[~2021-08-10  6:35 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-09  3:32 [RFC PATCH v2 00/10] Add configurable block device LED triggers Ian Pilcher
2021-08-09  3:32 ` Ian Pilcher
2021-08-09  3:32 ` [RFC PATCH v2 01/10] docs: Add block device LED trigger documentation Ian Pilcher
2021-08-09  3:32   ` Ian Pilcher
2021-08-10 13:49   ` Pavel Machek
2021-08-10 13:49     ` Pavel Machek
2021-08-09  3:32 ` [RFC PATCH v2 02/10] block: Add file (blk-ledtrig.c) for block device LED trigger implementation Ian Pilcher
2021-08-09  3:32   ` Ian Pilcher
2021-08-09  3:32 ` [RFC PATCH v2 03/10] block: Add block device LED trigger fields to gendisk structure Ian Pilcher
2021-08-09  3:32   ` Ian Pilcher
2021-08-09  3:32 ` [RFC PATCH v2 04/10] block: Add functions to set & clear block device LEDs Ian Pilcher
2021-08-09  3:32   ` Ian Pilcher
2021-08-09  3:32 ` [RFC PATCH v2 05/10] block: Add block device sysfs attribute to set/clear/show LED Ian Pilcher
2021-08-09  3:32   ` Ian Pilcher
2021-08-09  4:21   ` Jackie Liu
2021-08-09  4:21     ` Jackie Liu
2021-08-09 15:44     ` Ian Pilcher
2021-08-09 15:44       ` Ian Pilcher
2021-08-09  3:32 ` [RFC PATCH v2 06/10] block: Add activate and deactivate functions for block device LED trigger Ian Pilcher
2021-08-09  3:32   ` Ian Pilcher
2021-08-09  3:32 ` [RFC PATCH v2 07/10] block: Add sysfs attributes to LEDs associated with blkdev trigger Ian Pilcher
2021-08-09  3:32   ` Ian Pilcher
2021-08-09  3:32 ` [RFC PATCH v2 08/10] block: Add init function for block device LED trigger Ian Pilcher
2021-08-09  3:32   ` Ian Pilcher
2021-08-09  3:32 ` [RFC PATCH v2 09/10] block: Blink device LED (if any) when request is sent to its driver Ian Pilcher
2021-08-09  3:32   ` Ian Pilcher
2021-08-09  3:32 ` [RFC PATCH v2 10/10] block: Add config option to enable block device LED triggers Ian Pilcher
2021-08-09  3:32   ` Ian Pilcher
2021-08-09 18:56 ` [RFC PATCH v2 00/10] Add configurable " Marek Behún
2021-08-09 18:56   ` Marek Behún
2021-08-09 19:07   ` Pali Rohár
2021-08-09 19:07     ` Pali Rohár
2021-08-09 19:54   ` Ian Pilcher
2021-08-09 19:54     ` Ian Pilcher
2021-08-09 22:43     ` Marek Behún
2021-08-09 22:43       ` Marek Behún
2021-08-09 23:50       ` Ian Pilcher
2021-08-09 23:50         ` Ian Pilcher
2021-08-10  6:35         ` Greg KH [this message]
2021-08-10  6:35           ` Greg KH
2021-08-10 13:38           ` Marek Behún
2021-08-10 13:38             ` Marek Behún
2021-08-10 14:48             ` Greg KH
2021-08-10 14:48               ` Greg KH
2021-08-10 15:55               ` Ian Pilcher
2021-08-10 15:55                 ` Ian Pilcher
2021-08-10 16:24                 ` Greg KH
2021-08-10 16:24                   ` Greg KH
2021-08-10 16:39                   ` Marek Behún
2021-08-10 16:39                     ` Marek Behún
2021-08-10 16:43                   ` Ian Pilcher
2021-08-10 16:43                     ` Ian Pilcher
2021-08-11  6:26         ` Christoph Hellwig
2021-08-11  6:26           ` Christoph Hellwig
2021-08-11 10:50           ` Marek Behún
2021-08-11 10:50             ` Marek Behún

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=YRIeHH1SLl6tYCeY@kroah.com \
    --to=gregkh@linuxfoundation.org \
    --cc=arequipeno@gmail.com \
    --cc=axboe@kernel.dk \
    --cc=hch@lst.de \
    --cc=kabel@kernel.org \
    --cc=kernelnewbies@kernelnewbies.org \
    --cc=linux-block@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-leds@vger.kernel.org \
    --cc=pali@kernel.org \
    --cc=pavel@ucw.cz \
    /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.