Re: Bug#345977: ITP: polld -- Polling demon

2006-01-06 Thread Hamish Moffatt
On Wed, Jan 04, 2006 at 11:29:07AM -0600, Nathan Poznick wrote:
 Thus spake Roger Leigh:
  What is the problem this is trying to solve?
  
  If the partition table is being changed, the tool that changed it
  should issue a BLKRRPART ioctl, like fdisk does for example (see
  linux/fs.h).
 
 I have a USB card reader which has 5 different slots for various media.
 If I plug in the card reader and then later insert a CF card, the CF
 card slot's device does not have the partition device created when using
 udev (I have to insert the CF card and then plug in the card reader).  I

Works fine here...  /dev/sdc is created when the card reader is plugged
in, and /dev/sdc1 is created when I plug in a card. No ugliness
required.


Hamish
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Re: Bug#345977: ITP: polld -- Polling demon

2006-01-06 Thread Ron Johnson
On Fri, 2006-01-06 at 19:24 +1100, Hamish Moffatt wrote:
 On Wed, Jan 04, 2006 at 11:29:07AM -0600, Nathan Poznick wrote:
  Thus spake Roger Leigh:
   What is the problem this is trying to solve?
   
   If the partition table is being changed, the tool that changed it
   should issue a BLKRRPART ioctl, like fdisk does for example (see
   linux/fs.h).
  
  I have a USB card reader which has 5 different slots for various media.
  If I plug in the card reader and then later insert a CF card, the CF
  card slot's device does not have the partition device created when using
  udev (I have to insert the CF card and then plug in the card reader).  I
 
 Works fine here...  /dev/sdc is created when the card reader is plugged
 in, and /dev/sdc1 is created when I plug in a card. No ugliness
 required.

But when you remove that (SD, for example) card, and plug in a 
different type of card (CF, for example), does the kernel notice?

-- 
-
Ron Johnson, Jr.
Jefferson, LA USA

If you don't know how to do something, you don't know how to do
it with a computer.
Anonymous


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Re: Bug#345977: ITP: polld -- Polling demon

2006-01-06 Thread Hamish Moffatt
On Fri, Jan 06, 2006 at 08:15:14AM -0600, Ron Johnson wrote:
 On Fri, 2006-01-06 at 19:24 +1100, Hamish Moffatt wrote:
  On Wed, Jan 04, 2006 at 11:29:07AM -0600, Nathan Poznick wrote:
   Thus spake Roger Leigh:
What is the problem this is trying to solve?

If the partition table is being changed, the tool that changed it
should issue a BLKRRPART ioctl, like fdisk does for example (see
linux/fs.h).
   
   I have a USB card reader which has 5 different slots for various media.
   If I plug in the card reader and then later insert a CF card, the CF
   card slot's device does not have the partition device created when using
   udev (I have to insert the CF card and then plug in the card reader).  I
  
  Works fine here...  /dev/sdc is created when the card reader is plugged
  in, and /dev/sdc1 is created when I plug in a card. No ugliness
  required.
 
 But when you remove that (SD, for example) card, and plug in a 
 different type of card (CF, for example), does the kernel notice?

I don't have any other card types to test with. However, the card reader
has been allocated sdc, sdd, sde and sdf (one for each of its four card
slots), so I would expect it to work.

Hamish
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Bug#345977: ITP: polld -- Polling demon

2006-01-04 Thread Michal Čihař
Package: wnpp
Severity: wishlist
Owner: Michal Čihař [EMAIL PROTECTED]

* Package name: polld
  Version : 0.2
  Upstream Author : Michal Čihař [EMAIL PROTECTED]
* URL : http://www.cihar.com/software/polld
* License : GPL
  Description : Polling demon

This demon periodically opens devices (files) listed in configuration.
Main reason is to force rescanning of partitions on usb devices while
using udev.

-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.14-2-686
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)


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Re: Bug#345977: ITP: polld -- Polling demon

2006-01-04 Thread Roger Leigh
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Michal Čihař [EMAIL PROTECTED] writes:

 This demon periodically opens devices (files) listed in configuration.
 Main reason is to force rescanning of partitions on usb devices while
 using udev.

What is the problem this is trying to solve?

If the partition table is being changed, the tool that changed it
should issue a BLKRRPART ioctl, like fdisk does for example (see
linux/fs.h).


Regards,
Roger

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Re: Bug#345977: ITP: polld -- Polling demon

2006-01-04 Thread Nathan Poznick
Thus spake Roger Leigh:
 What is the problem this is trying to solve?
 
 If the partition table is being changed, the tool that changed it
 should issue a BLKRRPART ioctl, like fdisk does for example (see
 linux/fs.h).

I have a USB card reader which has 5 different slots for various media.
If I plug in the card reader and then later insert a CF card, the CF
card slot's device does not have the partition device created when using
udev (I have to insert the CF card and then plug in the card reader).  I
believe this software is created specifically for that purpose - for
card readers which do not report card insertion / removal to the kernel.

-- 
Nathan Poznick [EMAIL PROTECTED]

The world is not growing worse and it is not growing better-it is just
turning around as usual. - Finley Peter Dunne



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Re: Bug#345977: ITP: polld -- Polling demon

2006-01-04 Thread Hendrik Sattler
Nathan Poznick wrote:

 Thus spake Roger Leigh:
 What is the problem this is trying to solve?
 
 If the partition table is being changed, the tool that changed it
 should issue a BLKRRPART ioctl, like fdisk does for example (see
 linux/fs.h).
 
 I have a USB card reader which has 5 different slots for various media.
 If I plug in the card reader and then later insert a CF card, the CF
 card slot's device does not have the partition device created when using
 udev (I have to insert the CF card and then plug in the card reader).  I
 believe this software is created specifically for that purpose - for
 card readers which do not report card insertion / removal to the kernel.

Yes, there are such devices that do no report media changes. However, this 
depends on the device and might be an insufficient support by the usb-storage 
module or a broken card reader device. My one does report the change when I 
pull out the MMC and put it back in. And yes, I use udev (with hal and 
KDE-3.4) and I just tested it.
What model and vendor is this card reader? What chipset does it use? Maybe it 
reports media changes in a way that the usb-storage module does not 
understand, yet...

HS

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Re: Bug#345977: ITP: polld -- Polling demon

2006-01-04 Thread Marco d'Itri
On Jan 04, Nathan Poznick [EMAIL PROTECTED] wrote:

 I have a USB card reader which has 5 different slots for various media.
 If I plug in the card reader and then later insert a CF card, the CF
 card slot's device does not have the partition device created when using
 udev (I have to insert the CF card and then plug in the card reader).  I
 believe this software is created specifically for that purpose - for
 card readers which do not report card insertion / removal to the kernel.
OPTIONS+=all_partitions

(Documented in README.Debian and udev(8).)

This program still looks like a bad idea.

-- 
ciao,
Marco


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Re: Bug#345977: ITP: polld -- Polling demon

2006-01-04 Thread Michal Čihař
Hi

On Wed, 4 Jan 2006 19:33:26 +0100
[EMAIL PROTECTED] (Marco d'Itri) wrote:

 On Jan 04, Nathan Poznick [EMAIL PROTECTED] wrote:
 
  I have a USB card reader which has 5 different slots for various media.
  If I plug in the card reader and then later insert a CF card, the CF
  card slot's device does not have the partition device created when using
  udev (I have to insert the CF card and then plug in the card reader).  I
  believe this software is created specifically for that purpose - for
  card readers which do not report card insertion / removal to the kernel.
 OPTIONS+=all_partitions
 
 (Documented in README.Debian and udev(8).)

I know about this. This pollutes my /dev with many files, forcing to
rescan device makes appear only partitions which exist.

 This program still looks like a bad idea.

Find better way to do same thing. Card reader seems to not report card
changes at all.

I'm not on debian-devel, please cc me.

-- 
Michal Čihař | http://cihar.com


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