3.8: add lz4(hc) compression support for btrfs

Signed-off-by: Koen Kooi <[email protected]>

configs/beaglebone

@@ -130,6 +130,7 @@ CONFIG_RD_GZIP=y
 # CONFIG_RD_LZMA is not set
 # CONFIG_RD_XZ is not set
 # CONFIG_RD_LZO is not set
+CONFIG_RD_LZ4=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -2814,7 +2815,6 @@ CONFIG_FB_SYS_FOPS=y
 CONFIG_FB_DEFERRED_IO=y
 # CONFIG_FB_SVGALIB is not set
 # CONFIG_FB_MACMODES is not set
-# CONFIG_FB_BACKLIGHT is not set
 CONFIG_FB_MODE_HELPERS=y
 CONFIG_FB_TILEBLITTING=y
 
@@ -3228,7 +3228,6 @@ CONFIG_USB_CYPRESS_CY7C63=m
 CONFIG_USB_CYTHERM=m
 CONFIG_USB_IDMOUSE=m
 CONFIG_USB_FTDI_ELAN=m
-# CONFIG_USB_APPLEDISPLAY is not set
 # CONFIG_USB_SISUSBVGA is not set
 CONFIG_USB_LD=m
 CONFIG_USB_TRANCEVIBRATOR=m
@@ -4302,9 +4301,20 @@ CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
 CONFIG_LZO_COMPRESS=y
 CONFIG_LZO_DECOMPRESS=y
-# CONFIG_XZ_DEC is not set
-# CONFIG_XZ_DEC_BCJ is not set
+CONFIG_LZ4_COMPRESS=y
+CONFIG_LZ4HC_COMPRESS=y
+CONFIG_LZ4_DECOMPRESS=y
+CONFIG_XZ_DEC=y
+CONFIG_XZ_DEC_X86=y
+CONFIG_XZ_DEC_POWERPC=y
+CONFIG_XZ_DEC_IA64=y
+CONFIG_XZ_DEC_ARM=y
+CONFIG_XZ_DEC_ARMTHUMB=y
+CONFIG_XZ_DEC_SPARC=y
+CONFIG_XZ_DEC_BCJ=y
+# CONFIG_XZ_DEC_TEST is not set
 CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_LZ4=y
 CONFIG_GENERIC_ALLOCATOR=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y

patch.sh

@@ -24,7 +24,7 @@ EXTERNAL_TREE="git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable
 EXTERNAL_BRANCH="linux-3.8.y"
 EXTERNAL_SHA="dbf932a9b316d5b29b3e220e5a30e7a165ad2992"
 
-PATCHSET="dma rtc pinctrl cpufreq adc i2c da8xx-fb pwm mmc crypto 6lowpan capebus arm omap omap_sakoman omap_beagle_expansion omap_beagle omap_panda net drm not-capebus pru usb PG2 reboot iio w1 gpmc mxt ssd130x build hdmi audio resetctrl camera resources pmic pps leds capes fixes"
+PATCHSET="dma rtc pinctrl cpufreq adc i2c da8xx-fb pwm mmc crypto 6lowpan capebus arm omap omap_sakoman omap_beagle_expansion omap_beagle omap_panda net drm not-capebus pru usb PG2 reboot iio w1 gpmc mxt ssd130x build hdmi audio resetctrl camera resources pmic pps leds capes fixes btrfs"
 
 git_kernel_stable () {
 	git pull git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git master --tags || true