udev.rules.devfs patch

udev.rules.devfs patch

[John L. Fjellstad]

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Here is a patch for udev.rules.devfs to make it closer to devfs layout.
Basically, added discs/disc? directories, and the cdrom directory

- -- 
John L. Fjellstad
web: http://www.fjellstad.org/          Quis custodiet ipsos custodes
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--- udev.rules.devfs.orig	2004-01-15 15:14:53.000000000 +0100
+++ udev.rules.devfs	2004-01-15 15:19:49.000000000 +0100
@@ -16,11 +16,19 @@
 #      If this is not a partition, it will result in 'disc'
 #
 
+# if this is an ide cdrom, put it in the cdroms directory and create symlinks
+# first matching rule decides the name
+BUS="ide", PROGRAM="/bin/cat /proc/ide/%k/media", RESULT="cdrom", NAME="cdroms/cdrom%m", SYMLINK="cdrom dvd"
+
 # ide block devices
-BUS="ide", id="0.0", NAME="ide/host0/bus0/target0/lun0/%D"
-BUS="ide", id="0.1", NAME="ide/host0/bus0/target1/lun0/%D"
-BUS="ide", id="1.0", NAME="ide/host0/bus1/target0/lun0/%D"
-BUS="ide", id="1.1", NAME="ide/host0/bus1/target1/lun0/%D"
+BUS="ide", id="0.0", NAME="ide/host0/bus0/target0/lun0/%D", SYMLINK="discs/disc0/%D"
+BUS="ide", id="0.1", NAME="ide/host0/bus0/target1/lun0/%D", SYMLINK="discs/disc1/%D"
+BUS="ide", id="1.0", NAME="ide/host0/bus1/target0/lun0/%D", SYMLINK="discs/disc2/%D"
+BUS="ide", id="1.1", NAME="ide/host0/bus1/target1/lun0/%D", SYMLINK="discs/disc3/%D"
+
+# scsi block devices
+BUS="scsi", id="0:0:0:0", NAME="scsi/host0/bus0/target0/lun0/%D", SYMLINK="discs/disc4/%D"
+BUS="scsi", id="0:0:0:1", NAME="scsi/host0/bus0/target0/lun0/%D", SYMLINK="discs/disc5/%D"
 
 # md block devices
 KERNEL="md[0-9]*", NAME="md/%n"
@@ -49,13 +57,13 @@
 KERNEL="i2c-[0-9]*", NAME="i2c/%n", SYMLINK="%k"
 
 # loop devices
-KERNEL="loop[0-9]*", NAME="loop/%n", SYMLINK="%k"
+KERNEL="loop[0-9]*", NAME="loop/%n"
 
 # ramdisks
-KERNEL="ram[0-9]*", NAME="rd/%n", SYMLINK="%k"
+KERNEL="ram[0-9]*", NAME="rd/%n"
 
 # framebuffer devices
-KERNEL="fb[0-9]*", NAME="fb/%n", SYMLINK="%k"
+KERNEL="fb[0-9]*", NAME="fb/%n"
 
 # misc
 KERNEL="rtc",   NAME="misc/%k", SYMLINK="%k"

Re: udev.rules.devfs patch

[Kay Sievers]

On Thu, Jan 15, 2004 at 03:23:55PM +0100, John L. Fjellstad wrote:
Content-Description: clearsigned data
> Here is a patch for udev.rules.devfs to make it closer to devfs layout.
> Basically, added discs/disc? directories, and the cdrom directory

> -BUS="ide", id="1.1", NAME="ide/host0/bus1/target1/lun0/%D"
> +BUS="ide", id="0.0", NAME="ide/host0/bus0/target0/lun0/%D", SYMLINK="discs/disc0/%D"

How do you know, that the disc number you use is free?
Did you try the ide-devfs.sh? We take care of it with the script.

Greg, I would be happy to remove the ugly %D at all.
It's unable to handle cdroms, an the 'dis[ck]'/'partition' thing is easy done by two rules.
Then the dis[ck] decision is also up to the user :)

Kay


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Re: udev.rules.devfs patch

[Martin Hicks]

On Thu, Jan 15, 2004 at 03:49:10PM +0100, Kay Sievers wrote:
> On Thu, Jan 15, 2004 at 03:23:55PM +0100, John L. Fjellstad wrote:
> Content-Description: clearsigned data
> > Here is a patch for udev.rules.devfs to make it closer to devfs layout.
> > Basically, added discs/disc? directories, and the cdrom directory
> 
> > -BUS="ide", id="1.1", NAME="ide/host0/bus1/target1/lun0/%D"
> > +BUS="ide", id="0.0", NAME="ide/host0/bus0/target0/lun0/%D", SYMLINK="discs/disc0/%D"
> 
> How do you know, that the disc number you use is free?
> Did you try the ide-devfs.sh? We take care of it with the script.
> 
> Greg, I would be happy to remove the ugly %D at all.
> It's unable to handle cdroms, an the 'dis[ck]'/'partition' thing is easy done by two rules.
> Then the dis[ck] decision is also up to the user :)

Please don't get rid of %D.  I just started using it.  The problem that
I'm dealing with is that the directory where the devfs names are created
are unpredictable so my callout returns the directory that I'm to create
the devfs names in and I do something like:

BUS="scsi", CALLOUT="blah", ID="*", NAME="%c/%D", SYMLINK="%c/theAlias"

thanks
mh

-- 
Martin Hicks                Wild Open Source Inc.
mort@wildopensource.com     613-266-2296


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Re: udev.rules.devfs patch

[Kay Sievers]

On Thu, Jan 15, 2004 at 10:00:55AM -0500, Martin Hicks wrote:
> On Thu, Jan 15, 2004 at 03:49:10PM +0100, Kay Sievers wrote:
> > Greg, I would be happy to remove the ugly %D at all.
> > It's unable to handle cdroms, an the 'dis[ck]'/'partition' thing is easy done by two rules.
> > Then the dis[ck] decision is also up to the user :)
> 
> Please don't get rid of %D.  I just started using it.  The problem that
> I'm dealing with is that the directory where the devfs names are created
> are unpredictable so my callout returns the directory that I'm to create
> the devfs names in and I do something like:
> 
> BUS="scsi", CALLOUT="blah", ID="*", NAME="%c/%D", SYMLINK="%c/theAlias"

I don't see your need.
Just use two rules matching with the kernel name, or handle the %D in your script.
And ID= is gone now, in udev v013. We are using RESULT= instead.

I vote for killing the %D :)

Kay


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Re: udev.rules.devfs patch

[Greg KH]

On Thu, Jan 15, 2004 at 04:07:53PM +0100, Kay Sievers wrote:
> On Thu, Jan 15, 2004 at 10:00:55AM -0500, Martin Hicks wrote:
> > On Thu, Jan 15, 2004 at 03:49:10PM +0100, Kay Sievers wrote:
> > > Greg, I would be happy to remove the ugly %D at all.
> > > It's unable to handle cdroms, an the 'dis[ck]'/'partition' thing is easy done by two rules.
> > > Then the dis[ck] decision is also up to the user :)
> > 
> > Please don't get rid of %D.  I just started using it.  The problem that
> > I'm dealing with is that the directory where the devfs names are created
> > are unpredictable so my callout returns the directory that I'm to create
> > the devfs names in and I do something like:
> > 
> > BUS="scsi", CALLOUT="blah", ID="*", NAME="%c/%D", SYMLINK="%c/theAlias"
> 
> I don't see your need.
> Just use two rules matching with the kernel name, or handle the %D in your script.
> And ID= is gone now, in udev v013. We are using RESULT= instead.
> 
> I vote for killing the %D :)

I do to.  I'll go remove it now.

Martin, if you _really_ think you still need it, please post your
scripts, and let us determine if there's an easier way to do what you
are wanting to do.

thanks,

greg k-h


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