Merge branch 'for-linus' of git://neil.brown.name/md

* 'for-linus' of git://neil.brown.name/md: Further tidyup of raid6 naming in lib/raid6 Make lib/raid6/test build correctly. Rename raid6 files now they're in a 'raid6' directory.
chewitt · Aug 12, 2010 · 7367f5b · 7367f5b
2 parents ce4327d + a8e026c
commit 7367f5b
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Showing 13 changed files with 125 additions and 129 deletions.
diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h
@@ -62,7 +62,9 @@ extern const char raid6_empty_zero_page[PAGE_SIZE];
 #define disable_kernel_altivec()
 
 #define EXPORT_SYMBOL(sym)
+#define EXPORT_SYMBOL_GPL(sym)
 #define MODULE_LICENSE(licence)
+#define MODULE_DESCRIPTION(desc)
 #define subsys_initcall(x)
 #define module_exit(x)
 #endif /* __KERNEL__ */

diff --git a/lib/raid6/Makefile b/lib/raid6/Makefile
@@ -1,11 +1,8 @@
 obj-$(CONFIG_RAID6_PQ)	+= raid6_pq.o
 
-raid6_pq-y	+= raid6algos.o raid6recov.o raid6tables.o \
-		   raid6int1.o raid6int2.o raid6int4.o \
-		   raid6int8.o raid6int16.o raid6int32.o \
-		   raid6altivec1.o raid6altivec2.o raid6altivec4.o \
-		   raid6altivec8.o \
-		   raid6mmx.o raid6sse1.o raid6sse2.o
+raid6_pq-y	+= algos.o recov.o tables.o int1.o int2.o int4.o \
+		   int8.o int16.o int32.o altivec1.o altivec2.o altivec4.o \
+		   altivec8.o mmx.o sse1.o sse2.o
 hostprogs-y	+= mktables
 
 quiet_cmd_unroll = UNROLL  $@
@@ -16,63 +13,63 @@ ifeq ($(CONFIG_ALTIVEC),y)
 altivec_flags := -maltivec -mabi=altivec
 endif
 
-targets += raid6int1.c
-$(obj)/raid6int1.c:   UNROLL := 1
-$(obj)/raid6int1.c:   $(src)/raid6int.uc $(src)/unroll.awk FORCE
+targets += int1.c
+$(obj)/int1.c:   UNROLL := 1
+$(obj)/int1.c:   $(src)/int.uc $(src)/unroll.awk FORCE
 	$(call if_changed,unroll)
 
-targets += raid6int2.c
-$(obj)/raid6int2.c:   UNROLL := 2
-$(obj)/raid6int2.c:   $(src)/raid6int.uc $(src)/unroll.awk FORCE
+targets += int2.c
+$(obj)/int2.c:   UNROLL := 2
+$(obj)/int2.c:   $(src)/int.uc $(src)/unroll.awk FORCE
 	$(call if_changed,unroll)
 
-targets += raid6int4.c
-$(obj)/raid6int4.c:   UNROLL := 4
-$(obj)/raid6int4.c:   $(src)/raid6int.uc $(src)/unroll.awk FORCE
+targets += int4.c
+$(obj)/int4.c:   UNROLL := 4
+$(obj)/int4.c:   $(src)/int.uc $(src)/unroll.awk FORCE
 	$(call if_changed,unroll)
 
-targets += raid6int8.c
-$(obj)/raid6int8.c:   UNROLL := 8
-$(obj)/raid6int8.c:   $(src)/raid6int.uc $(src)/unroll.awk FORCE
+targets += int8.c
+$(obj)/int8.c:   UNROLL := 8
+$(obj)/int8.c:   $(src)/int.uc $(src)/unroll.awk FORCE
 	$(call if_changed,unroll)
 
-targets += raid6int16.c
-$(obj)/raid6int16.c:  UNROLL := 16
-$(obj)/raid6int16.c:  $(src)/raid6int.uc $(src)/unroll.awk FORCE
+targets += int16.c
+$(obj)/int16.c:  UNROLL := 16
+$(obj)/int16.c:  $(src)/int.uc $(src)/unroll.awk FORCE
 	$(call if_changed,unroll)
 
-targets += raid6int32.c
-$(obj)/raid6int32.c:  UNROLL := 32
-$(obj)/raid6int32.c:  $(src)/raid6int.uc $(src)/unroll.awk FORCE
+targets += int32.c
+$(obj)/int32.c:  UNROLL := 32
+$(obj)/int32.c:  $(src)/int.uc $(src)/unroll.awk FORCE
 	$(call if_changed,unroll)
 
-CFLAGS_raid6altivec1.o += $(altivec_flags)
-targets += raid6altivec1.c
-$(obj)/raid6altivec1.c:   UNROLL := 1
-$(obj)/raid6altivec1.c:   $(src)/raid6altivec.uc $(src)/unroll.awk FORCE
+CFLAGS_altivec1.o += $(altivec_flags)
+targets += altivec1.c
+$(obj)/altivec1.c:   UNROLL := 1
+$(obj)/altivec1.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
 	$(call if_changed,unroll)
 
-CFLAGS_raid6altivec2.o += $(altivec_flags)
-targets += raid6altivec2.c
-$(obj)/raid6altivec2.c:   UNROLL := 2
-$(obj)/raid6altivec2.c:   $(src)/raid6altivec.uc $(src)/unroll.awk FORCE
+CFLAGS_altivec2.o += $(altivec_flags)
+targets += altivec2.c
+$(obj)/altivec2.c:   UNROLL := 2
+$(obj)/altivec2.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
 	$(call if_changed,unroll)
 
-CFLAGS_raid6altivec4.o += $(altivec_flags)
-targets += raid6altivec4.c
-$(obj)/raid6altivec4.c:   UNROLL := 4
-$(obj)/raid6altivec4.c:   $(src)/raid6altivec.uc $(src)/unroll.awk FORCE
+CFLAGS_altivec4.o += $(altivec_flags)
+targets += altivec4.c
+$(obj)/altivec4.c:   UNROLL := 4
+$(obj)/altivec4.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
 	$(call if_changed,unroll)
 
-CFLAGS_raid6altivec8.o += $(altivec_flags)
-targets += raid6altivec8.c
-$(obj)/raid6altivec8.c:   UNROLL := 8
-$(obj)/raid6altivec8.c:   $(src)/raid6altivec.uc $(src)/unroll.awk FORCE
+CFLAGS_altivec8.o += $(altivec_flags)
+targets += altivec8.c
+$(obj)/altivec8.c:   UNROLL := 8
+$(obj)/altivec8.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
 	$(call if_changed,unroll)
 
 quiet_cmd_mktable = TABLE   $@
       cmd_mktable = $(obj)/mktables > $@ || ( rm -f $@ && exit 1 )
 
-targets += raid6tables.c
-$(obj)/raid6tables.c: $(obj)/mktables FORCE
+targets += tables.c
+$(obj)/tables.c: $(obj)/mktables FORCE
 	$(call if_changed,mktable)
diff --git a/lib/raid6/raid6algos.c → lib/raid6/algos.c b/lib/raid6/raid6algos.c → lib/raid6/algos.c
@@ -11,17 +11,17 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * raid6algos.c
+ * raid6/algos.c
  *
  * Algorithm list and algorithm selection for RAID-6
  */
 
 #include <linux/raid/pq.h>
-#include <linux/gfp.h>
 #ifndef __KERNEL__
 #include <sys/mman.h>
 #include <stdio.h>
 #else
+#include <linux/gfp.h>
 #if !RAID6_USE_EMPTY_ZERO_PAGE
 /* In .bss so it's zeroed */
 const char raid6_empty_zero_page[PAGE_SIZE] __attribute__((aligned(256)));

diff --git a/lib/raid6/raid6altivec.uc → lib/raid6/altivec.uc b/lib/raid6/raid6altivec.uc → lib/raid6/altivec.uc
diff --git a/lib/raid6/raid6int.uc → lib/raid6/int.uc b/lib/raid6/raid6int.uc → lib/raid6/int.uc
diff --git a/lib/raid6/raid6mmx.c → lib/raid6/mmx.c b/lib/raid6/raid6mmx.c → lib/raid6/mmx.c
@@ -11,17 +11,17 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * raid6mmx.c
+ * raid6/mmx.c
  *
  * MMX implementation of RAID-6 syndrome functions
  */
 
 #if defined(__i386__) && !defined(__arch_um__)
 
 #include <linux/raid/pq.h>
-#include "raid6x86.h"
+#include "x86.h"
 
-/* Shared with raid6sse1.c */
+/* Shared with raid6/sse1.c */
 const struct raid6_mmx_constants {
 	u64 x1d;
 } raid6_mmx_constants = {

diff --git a/lib/raid6/raid6test/Makefile b/lib/raid6/raid6test/Makefile
diff --git a/lib/raid6/raid6recov.c → lib/raid6/recov.c b/lib/raid6/raid6recov.c → lib/raid6/recov.c
@@ -11,7 +11,7 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * raid6recov.c
+ * raid6/recov.c
  *
  * RAID-6 data recovery in dual failure mode.  In single failure mode,
  * use the RAID-5 algorithm (or, in the case of Q failure, just reconstruct

diff --git a/lib/raid6/raid6sse1.c → lib/raid6/sse1.c b/lib/raid6/raid6sse1.c → lib/raid6/sse1.c
@@ -11,7 +11,7 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * raid6sse1.c
+ * raid6/sse1.c
  *
  * SSE-1/MMXEXT implementation of RAID-6 syndrome functions
  *
@@ -24,9 +24,9 @@
 #if defined(__i386__) && !defined(__arch_um__)
 
 #include <linux/raid/pq.h>
-#include "raid6x86.h"
+#include "x86.h"
 
-/* Defined in raid6mmx.c */
+/* Defined in raid6/mmx.c */
 extern const struct raid6_mmx_constants {
 	u64 x1d;
 } raid6_mmx_constants;

diff --git a/lib/raid6/raid6sse2.c → lib/raid6/sse2.c b/lib/raid6/raid6sse2.c → lib/raid6/sse2.c
@@ -11,7 +11,7 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * raid6sse2.c
+ * raid6/sse2.c
  *
  * SSE-2 implementation of RAID-6 syndrome functions
  *
@@ -20,7 +20,7 @@
 #if (defined(__i386__) || defined(__x86_64__)) && !defined(__arch_um__)
 
 #include <linux/raid/pq.h>
-#include "raid6x86.h"
+#include "x86.h"
 
 static const struct raid6_sse_constants {
 	u64 x1d[2];

diff --git a/lib/raid6/test/Makefile b/lib/raid6/test/Makefile
@@ -0,0 +1,72 @@
+#
+# This is a simple Makefile to test some of the RAID-6 code
+# from userspace.
+#
+
+CC	 = gcc
+OPTFLAGS = -O2			# Adjust as desired
+CFLAGS	 = -I.. -I ../../../include -g $(OPTFLAGS)
+LD	 = ld
+AWK	 = awk -f
+AR	 = ar
+RANLIB	 = ranlib
+
+.c.o:
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+%.c: ../%.c
+	cp -f $< $@
+
+%.uc: ../%.uc
+	cp -f $< $@
+
+all:	raid6.a raid6test
+
+raid6.a: int1.o int2.o int4.o int8.o int16.o int32.o mmx.o sse1.o sse2.o \
+	 altivec1.o altivec2.o altivec4.o altivec8.o recov.o algos.o \
+	 tables.o
+	 rm -f $@
+	 $(AR) cq $@ $^
+	 $(RANLIB) $@
+
+raid6test: test.c raid6.a
+	$(CC) $(CFLAGS) -o raid6test $^
+
+altivec1.c: altivec.uc ../unroll.awk
+	$(AWK) ../unroll.awk -vN=1 < altivec.uc > $@
+
+altivec2.c: altivec.uc ../unroll.awk
+	$(AWK) ../unroll.awk -vN=2 < altivec.uc > $@
+
+altivec4.c: altivec.uc ../unroll.awk
+	$(AWK) ../unroll.awk -vN=4 < altivec.uc > $@
+
+altivec8.c: altivec.uc ../unroll.awk
+	$(AWK) ../unroll.awk -vN=8 < altivec.uc > $@
+
+int1.c: int.uc ../unroll.awk
+	$(AWK) ../unroll.awk -vN=1 < int.uc > $@
+
+int2.c: int.uc ../unroll.awk
+	$(AWK) ../unroll.awk -vN=2 < int.uc > $@
+
+int4.c: int.uc ../unroll.awk
+	$(AWK) ../unroll.awk -vN=4 < int.uc > $@
+
+int8.c: int.uc ../unroll.awk
+	$(AWK) ../unroll.awk -vN=8 < int.uc > $@
+
+int16.c: int.uc ../unroll.awk
+	$(AWK) ../unroll.awk -vN=16 < int.uc > $@
+
+int32.c: int.uc ../unroll.awk
+	$(AWK) ../unroll.awk -vN=32 < int.uc > $@
+
+tables.c: mktables
+	./mktables > tables.c
+
+clean:
+	rm -f *.o *.a mktables mktables.c *.uc int*.c altivec*.c tables.c raid6test
+
+spotless: clean
+	rm -f *~
diff --git a/lib/raid6/raid6test/test.c → lib/raid6/test/test.c b/lib/raid6/raid6test/test.c → lib/raid6/test/test.c
diff --git a/lib/raid6/raid6x86.h → lib/raid6/x86.h b/lib/raid6/raid6x86.h → lib/raid6/x86.h
@@ -11,7 +11,7 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * raid6x86.h
+ * raid6/x86.h
  *
  * Definitions common to x86 and x86-64 RAID-6 code only
  */