6 files changed, 59 insertions, 16 deletions

diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 200a0688f717..54ec737195e0 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -230,11 +230,20 @@ static int dm_hash_insert(const char *name, const char *uuid, struct mapped_devi
 
 static void __hash_remove(struct hash_cell *hc)
 {
+        struct dm_table *table;
+
         /* remove from the dev hash */
         list_del(&hc->uuid_list);
         list_del(&hc->name_list);
         unregister_with_devfs(hc);
         dm_set_mdptr(hc->md, NULL);
+
+        table = dm_get_table(hc->md);
+        if (table) {
+                dm_table_event(table);
+                dm_table_put(table);
+        }
+
         dm_put(hc->md);
         if (hc->new_map)
                 dm_table_put(hc->new_map);
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 785806bdb248..f9b7b32d5d5c 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -329,13 +329,17 @@ static int map_io(struct multipath *m, struct bio *bio, struct mpath_io *mpio,
 /*
  * If we run out of usable paths, should we queue I/O or error it?
  */
-static int queue_if_no_path(struct multipath *m, unsigned queue_if_no_path)
+static int queue_if_no_path(struct multipath *m, unsigned queue_if_no_path,
+                            unsigned save_old_value)
 {
         unsigned long flags;
 
         spin_lock_irqsave(&m->lock, flags);
 
-        m->saved_queue_if_no_path = m->queue_if_no_path;
+        if (save_old_value)
+                m->saved_queue_if_no_path = m->queue_if_no_path;
+        else
+                m->saved_queue_if_no_path = queue_if_no_path;
         m->queue_if_no_path = queue_if_no_path;
         if (!m->queue_if_no_path && m->queue_size)
                 queue_work(kmultipathd, &m->process_queued_ios);
@@ -677,7 +681,7 @@ static int parse_features(struct arg_set *as, struct multipath *m,
                 return 0;
 
         if (!strnicmp(shift(as), MESG_STR("queue_if_no_path")))
-                return queue_if_no_path(m, 1);
+                return queue_if_no_path(m, 1, 0);
         else {
                 ti->error = "Unrecognised multipath feature request";
                 return -EINVAL;
@@ -1077,7 +1081,7 @@ static void multipath_presuspend(struct dm_target *ti)
 {
         struct multipath *m = (struct multipath *) ti->private;
 
-        queue_if_no_path(m, 0);
+        queue_if_no_path(m, 0, 1);
 }
 
 /*
@@ -1222,9 +1226,9 @@ static int multipath_message(struct dm_target *ti, unsigned argc, char **argv)
 
         if (argc == 1) {
                 if (!strnicmp(argv[0], MESG_STR("queue_if_no_path")))
-                        return queue_if_no_path(m, 1);
+                        return queue_if_no_path(m, 1, 0);
                 else if (!strnicmp(argv[0], MESG_STR("fail_if_no_path")))
-                        return queue_if_no_path(m, 0);
+                        return queue_if_no_path(m, 0, 0);
         }
 
         if (argc != 2)
diff --git a/drivers/md/raid6.h b/drivers/md/raid6.h
index f80ee6350edf..31cbee71365f 100644
--- a/drivers/md/raid6.h
+++ b/drivers/md/raid6.h
@@ -69,9 +69,13 @@ extern const char raid6_empty_zero_page[PAGE_SIZE];
 #define __init
 #define __exit
 #define __attribute_const__ __attribute__((const))
+#define noinline __attribute__((noinline))
 
 #define preempt_enable()
 #define preempt_disable()
+#define cpu_has_feature(x) 1
+#define enable_kernel_altivec()
+#define disable_kernel_altivec()
 
 #endif /* __KERNEL__ */
 
diff --git a/drivers/md/raid6algos.c b/drivers/md/raid6algos.c
index acf386fc4b4f..51c63c0cf1c9 100644
--- a/drivers/md/raid6algos.c
+++ b/drivers/md/raid6algos.c
@@ -19,6 +19,7 @@
 #include "raid6.h"
 #ifndef __KERNEL__
 #include <sys/mman.h>
+#include <stdio.h>
 #endif
 
 struct raid6_calls raid6_call;
diff --git a/drivers/md/raid6altivec.uc b/drivers/md/raid6altivec.uc
index 1de8f030eee0..b9afd35b8812 100644
--- a/drivers/md/raid6altivec.uc
+++ b/drivers/md/raid6altivec.uc
@@ -27,16 +27,20 @@
 #ifdef CONFIG_ALTIVEC
 
 #include <altivec.h>
-#include <asm/system.h>
-#include <asm/cputable.h>
+#ifdef __KERNEL__
+# include <asm/system.h>
+# include <asm/cputable.h>
+#endif
 
 /*
- * This is the C data type to use
+ * This is the C data type to use.  We use a vector of
+ * signed char so vec_cmpgt() will generate the right
+ * instruction.
  */
 
-typedef vector unsigned char unative_t;
+typedef vector signed char unative_t;
 
-#define NBYTES(x) ((vector unsigned char) {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x})
+#define NBYTES(x) ((vector signed char) {x,x,x,x, x,x,x,x, x,x,x,x, x,x,x,x})
 #define NSIZE   sizeof(unative_t)
 
 /*
@@ -108,7 +112,11 @@ int raid6_have_altivec(void);
 int raid6_have_altivec(void)
 {
         /* This assumes either all CPUs have Altivec or none does */
+# ifdef __KERNEL__
         return cpu_has_feature(CPU_FTR_ALTIVEC);
+# else
+        return 1;
+# endif
 }
 #endif
 
diff --git a/drivers/md/raid6test/Makefile b/drivers/md/raid6test/Makefile
index 557806728609..78e0396adf2a 100644
--- a/drivers/md/raid6test/Makefile
+++ b/drivers/md/raid6test/Makefile
@@ -8,6 +8,8 @@ OPTFLAGS = -O2			# Adjust as desired
 CFLAGS   = -I.. -g $(OPTFLAGS)
 LD       = ld
 PERL     = perl
+AR       = ar
+RANLIB   = ranlib
 
 .c.o:
         $(CC) $(CFLAGS) -c -o $@ $<
@@ -18,18 +20,33 @@ PERL	 = perl
 %.uc: ../%.uc
         cp -f $< $@
 
-all:    raid6.o raid6test
+all:    raid6.a raid6test
 
-raid6.o: raid6int1.o raid6int2.o raid6int4.o raid6int8.o raid6int16.o \
+raid6.a: raid6int1.o raid6int2.o raid6int4.o raid6int8.o raid6int16.o \
          raid6int32.o \
          raid6mmx.o raid6sse1.o raid6sse2.o \
+         raid6altivec1.o raid6altivec2.o raid6altivec4.o raid6altivec8.o \
          raid6recov.o raid6algos.o \
          raid6tables.o
-        $(LD) -r -o $@ $^
+         rm -f $@
+         $(AR) cq $@ $^
+         $(RANLIB) $@
 
-raid6test: raid6.o test.c
+raid6test: test.c raid6.a
         $(CC) $(CFLAGS) -o raid6test $^
 
+raid6altivec1.c: raid6altivec.uc ../unroll.pl
+        $(PERL) ../unroll.pl 1 < raid6altivec.uc > $@
+
+raid6altivec2.c: raid6altivec.uc ../unroll.pl
+        $(PERL) ../unroll.pl 2 < raid6altivec.uc > $@
+
+raid6altivec4.c: raid6altivec.uc ../unroll.pl
+        $(PERL) ../unroll.pl 4 < raid6altivec.uc > $@
+
+raid6altivec8.c: raid6altivec.uc ../unroll.pl
+        $(PERL) ../unroll.pl 8 < raid6altivec.uc > $@
+
 raid6int1.c: raid6int.uc ../unroll.pl
         $(PERL) ../unroll.pl 1 < raid6int.uc > $@
 
@@ -52,7 +69,7 @@ raid6tables.c: mktables
         ./mktables > raid6tables.c
 
 clean:
-        rm -f *.o mktables mktables.c raid6int.uc raid6*.c raid6test
+        rm -f *.o *.a mktables mktables.c raid6int.uc raid6*.c raid6test
 
 spotless: clean
         rm -f *~