[announce] scsi_id release 0.2

[announce] scsi_id release 0.2

[Patrick Mansfield]

Version 0.2 of scsi_id is available at:

http://www-124.ibm.com/storageio/scsi_id/scsi_id-0.2.tar.gz

scsi_id is a program to generate a SCSI unique identifier for a given SCSI
device.

It is primarily for use with udev callout config entries. It can also be
used for automatic multi-path configuration or device mapper
configuration.

Requires:

- Linux kernel 2.6

- libsysfs 0.3.0

To use with udev, in short:

Run scsi_id to dump determine the id, for example, for sda, run:

	/sbin/scsi_id -s /block/sda

Take the resulting value (including white space) and use it as the ID in a
udev CALLOUT entry, an example /etc/udev/udev.rules entry for one of
my disk drives:

CALLOUT, BUS="scsi", PROGRAM="/sbin/scsi_id", ID="200609487340c78ac", NAME="diskf1"

Major changes since the last release:

	- builds under udev and klibc (I'll post udev/Makefile changes I
	  needed to get the build to work), does not build properly for
	  udev without klibc because of sysfsutils include paths issue

	- fix a bug with config file options parsing not allocating space

	- added a man page

Full list of changes:

	* Add a man page.

	* Set and use variables that might be passed down when
	  built under udev (with or without klibc), don't set LDFLAGS or
	  STRIP.

	* scsi_id.c, scsi_id.h: Fix a bad bug - when parsing file options,
	  no space was allocated for the creation of the new argv[]
	  strings.

	* scsi_id.c: Catch too long a line in the config file.

	* scsi_id.h: Add u8 typedef to avoid ummm scsi.h kernel header
	  problem when built with klibc.

	* scsi_id.h: Add define of makedev() if built with klibc.

	* scsi_id.c: reset optind to 1 since klibc does not work if it is
	  reset to zero.

	* scsi_id.c: remove fflush() as it is not needed, and is not
	  supported by klibc.

	* scsi_serial.c: Make the functions do_scsi_page0_inquiry and
	  do_scsi_page80_inquiry static.

	* scsi_id.c: Don't use syslog LOG_PID, as it is not supported by
	  klibc.

	* scsi_id.c, scsi_serial.c: Hack - change include path to libsysfs
	  if built under klibc.

	* Makefile: Use "override" for CFLAGS so we can pass CFLAGS values
	  down when built with udev

	* scsi_id.c, Makefile: Use SCSI_ID_VERSION instead of VERSION.

	* scsi_id.c: Remove getopt_long (long option names), as there
	  is no support for that in klibc.

	* scsi_id.c: Patch from Brian King <brking@us.ibm.com>: check
	  result of setting model, not vendor in per_dev_options.

	* scsi_id.c, scsi_serial.c: Use new and correct path to libsysfs.h.

	* scsi_id.h: Fix scsi_id.h so var args in macros works ok with
	  older gcc.

Please email me any questions, comments or patches.

Thanks!

-- Patrick Mansfield


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Re: [announce] scsi_id release 0.2

[Olaf Hering]

 On Fri, Dec 05, Patrick Mansfield wrote:

> Version 0.2 of scsi_id is available at:
> 
> http://www-124.ibm.com/storageio/scsi_id/scsi_id-0.2.tar.gz

What is $(DEBUG)? It is used by klibc and replaced by true/false.

diff -purN scsi_id-0.2/Makefile extras/scsi_id/Makefile
--- scsi_id-0.2/Makefile        2003-12-05 23:26:25.000000000 +0100
+++ extras/scsi_id/Makefile     2003-12-07 16:08:20.000000000 +0100
@@ -27,7 +27,7 @@ INSTALL_DATA  = ${INSTALL} -m 644
 # Note some of the variables used here are set when built under udev, and
 # otherwise might not be set.
 
-override CFLAGS+=-DSCSI_ID_VERSION=\"$(SCSI_ID_VERSION)\" $(DEBUG) -Wall
+override CFLAGS+=-DSCSI_ID_VERSION=\"$(SCSI_ID_VERSION)\" -Wall
 
 PROG=scsi_id
 SYSFS=-lsysfs



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sUse lINUX ag, n√úRNBERG


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Re: [announce] scsi_id release 0.2

[Patrick Mansfield]

On Sun, Dec 07, 2003 at 04:38:02PM +0100, Olaf Hering wrote:
>  On Fri, Dec 05, Patrick Mansfield wrote:
> 
> > Version 0.2 of scsi_id is available at:
> > 
> > http://www-124.ibm.com/storageio/scsi_id/scsi_id-0.2.tar.gz
> 
> What is $(DEBUG)? It is used by klibc and replaced by true/false.

I use it to compile with -g. 

i.e.:
	
	# make DEBUG=-g 
	cc -DSCSI_ID_VERSION=\"0.2\" -g -Wall   -c -o scsi_id.o scsi_id.c
	cc -DSCSI_ID_VERSION=\"0.2\" -g -Wall   -c -o scsi_serial.o scsi_serial.c
	cc  -o scsi_id  scsi_id.o scsi_serial.o  -lsysfs  

The udev DEBUG value does not get passed down to the extras, so the
scsi_id build under udev should be OK.

Is it breaking your build? If so I'll just remove it.

The scsi_id debug logging via the "-v" or when DEBUG is set is always
enabled - it outputs to syslog LOG_DEBUG when called from udev, or via
stderr when used via the command line. (Though the klibc strerror() only
prints the errno value, making for some odd error messages.)

-- Patrick Mansfield


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Re: [announce] scsi_id release 0.2

[Olaf Hering]

 On Sun, Dec 07, Patrick Mansfield wrote:

> On Sun, Dec 07, 2003 at 04:38:02PM +0100, Olaf Hering wrote:
> >  On Fri, Dec 05, Patrick Mansfield wrote:
> > 
> > > Version 0.2 of scsi_id is available at:
> > > 
> > > http://www-124.ibm.com/storageio/scsi_id/scsi_id-0.2.tar.gz
> > 
> > What is $(DEBUG)? It is used by klibc and replaced by true/false.
> 
> I use it to compile with -g. 
> 
> i.e.:
> 	
> 	# make DEBUG=-g 
> 	cc -DSCSI_ID_VERSION=\"0.2\" -g -Wall   -c -o scsi_id.o scsi_id.c
> 	cc -DSCSI_ID_VERSION=\"0.2\" -g -Wall   -c -o scsi_serial.o scsi_serial.c
> 	cc  -o scsi_id  scsi_id.o scsi_serial.o  -lsysfs  
> 
> The udev DEBUG value does not get passed down to the extras, so the
> scsi_id build under udev should be OK.

It does. make EXTRAS=extras/scsi_id will pass DEBUG˙lse/true if
defined.

> Is it breaking your build? If so I'll just remove it.

Yes, just try to build a udev debug binary.

I need also this patch because gcc decides that a printf("\n"); could be
done with a putchar, which is not defined for some reasons.

--- extras/scsi_id/Makefile.orig        2003-12-07 15:05:33.000000000 +0100
+++ extras/scsi_id/Makefile     2003-12-07 15:14:09.000000000 +0100
@@ -27,7 +27,7 @@ INSTALL_DATA  = ${INSTALL} -m 644
 # Note some of the variables used here are set when built under udev, and
 # otherwise might not be set.

-override CFLAGS+=-DSCSI_ID_VERSION=\"$(SCSI_ID_VERSION)\" $(DEBUG) -Wall
+override CFLAGS+=-DSCSI_ID_VERSION=\"$(SCSI_ID_VERSION)\" -Wall -fno-builtin

 PROG=scsi_id
 SYSFS=-lsysfs


Greg has the new scsi_id already merged into the bk repo.


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Re: [announce] scsi_id release 0.2

[Patrick Mansfield]

On Sun, Dec 07, 2003 at 08:59:15PM +0100, Olaf Hering wrote:
>  On Sun, Dec 07, Patrick Mansfield wrote:
> 
> > Is it breaking your build? If so I'll just remove it.
> 
> Yes, just try to build a udev debug binary.

It worked fine for me, something must be different in our build
environments. I have:

[elm3b79 udev-bk]$ gcc -v
Reading specs from /usr/lib/gcc-lib/i386-linux/2.95.4/specs
gcc version 2.95.4 20011002 (Debian prerelease)

I should probably upgrade.

But in any case I applied your patch to my view, thanks.

-- Patrick Mansfield


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Re: [announce] scsi_id release 0.2

[Rask Ingemann Lambertsen]

On Sun, Dec 07, 2003 at 08:59:15PM +0100, Olaf Hering wrote:

> I need also this patch because gcc decides that a printf("\n"); could be
> done with a putchar, which is not defined for some reasons.

#include <stdio.h>

must be missing somewhere.

-- 
Regards,
Rask Ingemann Lambertsen


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