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| author | Chris Mason <chris.mason@oracle.com> | 2008-07-23 12:12:13 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:04:05 -0400 |
| commit | b3c3da71ed88c06bc18a4d8919c6e4af3b933566 (patch) | |
| tree | 2c872dc4d5e9a6fe104704f95c7acf920236396c | |
| parent | 4881ee5a2e995c6a8999b56de70aa3834369d8ee (diff) | |
Btrfs: Add version strings on module load
Signed-off-by: Chris Mason <chris.mason@oracle.com>
| -rw-r--r-- | fs/btrfs/Makefile | 6 | ||||
| -rw-r--r-- | fs/btrfs/super.c | 3 | ||||
| -rw-r--r-- | fs/btrfs/version.sh | 43 |
3 files changed, 51 insertions, 1 deletions
diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile index 0e2dcc718de2..f8a38b0da7fb 100644 --- a/fs/btrfs/Makefile +++ b/fs/btrfs/Makefile @@ -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: diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 5e28cf5c2e85..4cb6aac5122e 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -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: diff --git a/fs/btrfs/version.sh b/fs/btrfs/version.sh new file mode 100644 index 000000000000..fd9b53d39860 --- /dev/null +++ b/fs/btrfs/version.sh @@ -0,0 +1,43 @@ +#!/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 |