Add flashcache.spec for rpm builds

Pass in kernel_version, modversion, and pkgrelease, or let it use the
defaults.

Makefile

@@ -1,5 +1,6 @@
-COMMIT_REV := $(shell git describe  --always --abbrev=12)
-KERNEL_TREE ?= /lib/modules/$(shell uname -r)/build
+COMMIT_REV ?= $(shell git describe  --always --abbrev=12)
+KERNEL_SOURCE_VERSION ?= $(shell uname -r)
+KERNEL_TREE ?= /lib/modules/$(KERNEL_SOURCE_VERSION)/build
 export COMMIT_REV
 
 # Check for RHEL/CentOS

flashcache.spec

@@ -0,0 +1,68 @@
+# The kernel version you are building for
+%{!?kernel_version:%define kernel_version %(uname -r)}
+
+# The version of the module,
+%{!?modversion:%define modversion %(if [ -d .git ]; then git describe --abbrev=0 --tags; else 2.0; fi)}
+
+# Which revision are we on, increment per RPM build
+%{!?pkgrelease:%define pkgrelease 1}
+
+#### You shouldn't need to set the vars below
+
+%define kernel kernel-%{kernel_version}
+
+# The name of the module you are supplying
+%define modname flashcache
+
+# Define git commit revision, if we're in a repo
+%define commit_rev %(if [ -d .git ]; then git describe --always --abbrev=12; else ''; fi)
+
+# The path to the module, after it is installed
+%define modpath /lib/modules/%{kernel_version}/extra/flashcache/
+
+%define make_opts %{?_smp_mflags} COMMIT_REV=%{commit_rev} RHEL5_VER=
+
+Name: %{modname}-%{kernel_version}
+Summary: %{modname} Kernel Module for the %{kernel_version} kernel
+Version: %{modversion}
+Release: %{pkgrelease}
+Source: %{modname}-%{modversion}.tar.gz
+Epoch: 0
+License: GPL
+Group: System Environment/Kernel
+BuildRoot: %{_tmppath}/%{name}-%{version}-root
+Requires: modutils kernel-devel
+Provides: kernel-module-%{modname} = %{epoch}:%{version}
+
+%description
+This package provides a %{modname} kernel module for
+kernel %{kernel_version}.
+
+%prep
+%setup -q -n %{modname}-%{modversion}
+
+%build
+make %{make_opts} KERNEL_SOURCE_VERSION=%{kernel_version}
+
+%install
+rm -rf %{buildroot}
+cd src
+make %{make_opts} DESTDIR=%{buildroot} utils_install ocf_install
+install -d %{buildroot}/%{modpath}/
+install -m 644 flashcache.ko %{buildroot}/%{modpath}/%{modname}.ko
+
+%post
+/sbin/depmod -a %{kernel_version}
+
+%postun
+/sbin/depmod -a %{kernel_version}
+
+%clean
+rm -rf %{buildroot}
+
+%files
+%defattr(-,root,root,-)
+%doc README LICENSE
+/sbin/*
+%{modpath}/%{modname}.ko
+/usr/lib/ocf/resource.d/%{modname}/%{modname}

src/Makefile

@@ -33,8 +33,7 @@ utils:
 .PHONY: modules_install
 modules_install: modules
 	install -o root -g root -m 0755 -d $(DESTDIR)/lib/modules/$(KERNEL_SOURCE_VERSION)/extra/flashcache/
-	install -o root -g root -m 0755 flashcache.ko $(DESTDIR)/lib/modules/$(KERNEL_SOURCE_VERSION)/extra/flashcache/
-	depmod -a
+	install -o root -g root -m 0644 flashcache.ko $(DESTDIR)/lib/modules/$(KERNEL_SOURCE_VERSION)/extra/flashcache/
 
 .PHONY: utils_install
 utils_install: utils
@@ -44,8 +43,12 @@ utils_install: utils
 ocf_install:
 	make -C ocf install
 
+.PHONY: depmod
+depmod:
+	depmod -a
+
 .PHONY: install
-install: modules_install utils_install ocf_install
+install: modules_install utils_install ocf_install depmod
 
 .PHONY: clean
 clean:

src/ocf/Makefile

@@ -1,7 +1,7 @@
 COMMIT_REV ?= $(shell git describe  --always --abbrev=12)
 CFLAGS += 
 PROGRAMS += flashcache 
-INSTALL_DIR = /usr/lib/ocf/resource.d/flashcache
+INSTALL_DIR = $(DESTDIR)/usr/lib/ocf/resource.d/flashcache
 
 .PHONY:all
 all: $(PROGRAMS)