13 files changed, 70 insertions, 25 deletions

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index b82bc3150476..b6148f6f7836 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -96,7 +96,7 @@ static kmem_cache_t *_crypt_io_pool;
 /*
  * Mempool alloc and free functions for the page
  */
-static void *mempool_alloc_page(unsigned int __nocast gfp_mask, void *data)
+static void *mempool_alloc_page(gfp_t gfp_mask, void *data)
 {
         return alloc_page(gfp_mask);
 }
diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index 9de000131a8a..4809b209fbb1 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -32,7 +32,7 @@ struct io {
 static unsigned _num_ios;
 static mempool_t *_io_pool;
 
-static void *alloc_io(unsigned int __nocast gfp_mask, void *pool_data)
+static void *alloc_io(gfp_t gfp_mask, void *pool_data)
 {
         return kmalloc(sizeof(struct io), gfp_mask);
 }
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/dm-raid1.c b/drivers/md/dm-raid1.c
index 863282513753..2375709a392c 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -122,7 +122,7 @@ static inline sector_t region_to_sector(struct region_hash *rh, region_t region)
 /* FIXME move this */
 static void queue_bio(struct mirror_set *ms, struct bio *bio, int rw);
 
-static void *region_alloc(unsigned int __nocast gfp_mask, void *pool_data)
+static void *region_alloc(gfp_t gfp_mask, void *pool_data)
 {
         return kmalloc(sizeof(struct region), gfp_mask);
 }
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 2897df90df44..e9476075aa13 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3063,6 +3063,7 @@ static int md_thread(void * arg)
          * many dirty RAID5 blocks.
          */
 
+        allow_signal(SIGKILL);
         complete(thread->event);
         while (!kthread_should_stop()) {
                 void (*run)(mddev_t *);
@@ -3111,7 +3112,7 @@ mdk_thread_t *md_register_thread(void (*run) (mddev_t *), mddev_t *mddev,
         thread->mddev = mddev;
         thread->name = name;
         thread->timeout = MAX_SCHEDULE_TIMEOUT;
-        thread->tsk = kthread_run(md_thread, thread, mdname(thread->mddev));
+        thread->tsk = kthread_run(md_thread, thread, name, mdname(thread->mddev));
         if (IS_ERR(thread->tsk)) {
                 kfree(thread);
                 return NULL;
@@ -3569,6 +3570,7 @@ static void md_do_sync(mddev_t *mddev)
         try_again:
                 if (signal_pending(current)) {
                         flush_signals(current);
+                        set_bit(MD_RECOVERY_INTR, &mddev->recovery);
                         goto skip;
                 }
                 ITERATE_MDDEV(mddev2,tmp) {
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 286342375fb7..1151c3ed3006 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -38,7 +38,7 @@
 static mdk_personality_t multipath_personality;
 
 
-static void *mp_pool_alloc(unsigned int __nocast gfp_flags, void *data)
+static void *mp_pool_alloc(gfp_t gfp_flags, void *data)
 {
         struct multipath_bh *mpb;
         mpb = kmalloc(sizeof(*mpb), gfp_flags);
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index a93ca478142a..0e1f148dd41d 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -52,7 +52,7 @@ static mdk_personality_t raid1_personality;
 static void unplug_slaves(mddev_t *mddev);
 
 
-static void * r1bio_pool_alloc(unsigned int __nocast gfp_flags, void *data)
+static void * r1bio_pool_alloc(gfp_t gfp_flags, void *data)
 {
         struct pool_info *pi = data;
         r1bio_t *r1_bio;
@@ -79,7 +79,7 @@ static void r1bio_pool_free(void *r1_bio, void *data)
 #define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE)
 #define RESYNC_WINDOW (2048*1024)
 
-static void * r1buf_pool_alloc(unsigned int __nocast gfp_flags, void *data)
+static void * r1buf_pool_alloc(gfp_t gfp_flags, void *data)
 {
         struct pool_info *pi = data;
         struct page *page;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 5bd1e9ec899d..28dd028415e4 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -47,7 +47,7 @@
 
 static void unplug_slaves(mddev_t *mddev);
 
-static void * r10bio_pool_alloc(unsigned int __nocast gfp_flags, void *data)
+static void * r10bio_pool_alloc(gfp_t gfp_flags, void *data)
 {
         conf_t *conf = data;
         r10bio_t *r10_bio;
@@ -81,7 +81,7 @@ static void r10bio_pool_free(void *r10_bio, void *data)
  * one for write (we recover only one drive per r10buf)
  *
  */
-static void * r10buf_pool_alloc(unsigned int __nocast gfp_flags, void *data)
+static void * r10buf_pool_alloc(gfp_t gfp_flags, void *data)
 {
         conf_t *conf = data;
         struct page *page;
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 *~