Commit b3c3da71 authored by Chris Mason's avatar Chris Mason
Browse files

Btrfs: Add version strings on module load 



Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 4881ee5a

fs/btrfs/Makefile

+5 −1
Original line number Diff line number Diff line
@@ -14,8 +14,12 @@ else 
# Normal Makefile



KERNELDIR := /lib/modules/`uname -r`/build

all:

all: version

	$(MAKE) -C $(KERNELDIR) M=`pwd` modules



version:

	bash version.sh



modules_install:

	$(MAKE) -C $(KERNELDIR) M=`pwd` modules_install

clean:

fs/btrfs/super.c

+3 −0
Original line number Diff line number Diff line
@@ -45,6 +45,7 @@ 
#include "print-tree.h"

#include "xattr.h"

#include "volumes.h"

#include "version.h"



#define BTRFS_SUPER_MAGIC 0x9123683E
@@ -605,6 +606,8 @@ static int __init init_btrfs_fs(void) 
	err = register_filesystem(&btrfs_fs_type);

	if (err)

		goto unregister_ioctl;



	printk(KERN_INFO "%s loaded\n", BTRFS_BUILD_VERSION);

	return 0;



unregister_ioctl:

fs/btrfs/version.sh

0 → 100644
+43 −0
Original line number Diff line number Diff line 
#!/bin/bash

#

# determine-version -- report a useful version for releases

#

# Copyright 2008, Aron Griffis <agriffis@n01se.net>

# Copyright 2008, Oracle

# Released under the GNU GPLv2

 

v="Btrfs v0.15"



which hg > /dev/null

if [ $? == 0 ]; then

	last=$(hg tags | grep -m1 -o '^v[0-9.]\+')

	 

	# now check if the repo has commits since then...

	if [[ $(hg id -t) == $last || \

	    $(hg di -r "$last:." | awk '/^diff/{print $NF}' | sort -u) == .hgtags ]]

	then

	    # check if it's dirty

	    if [[ $(hg id | cut -d' ' -f1) == *+ ]]; then

		v=$last+

	    else

		v=$last

	    fi

	else

	    # includes dirty flag

	    v=$last+$(hg id -i)

	fi

fi

 

echo "#ifndef __BUILD_VERSION" > .build-version.h

echo "#define __BUILD_VERSION" >> .build-version.h

echo "#define BTRFS_BUILD_VERSION \"Btrfs $v\"" >> .build-version.h

echo "#endif" >> .build-version.h



diff -q version.h .build-version.h >& /dev/null



if [ $? == 0 ]; then

    rm .build-version.h

    exit 0

fi



mv .build-version.h version.h