diff options
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/dm-crypt.c | 2 | ||||
-rw-r--r-- | drivers/md/dm-io.c | 2 | ||||
-rw-r--r-- | drivers/md/dm-ioctl.c | 9 | ||||
-rw-r--r-- | drivers/md/dm-mpath.c | 16 | ||||
-rw-r--r-- | drivers/md/dm-raid1.c | 2 | ||||
-rw-r--r-- | drivers/md/md.c | 4 | ||||
-rw-r--r-- | drivers/md/multipath.c | 2 | ||||
-rw-r--r-- | drivers/md/raid1.c | 4 | ||||
-rw-r--r-- | drivers/md/raid10.c | 4 | ||||
-rw-r--r-- | drivers/md/raid6.h | 4 | ||||
-rw-r--r-- | drivers/md/raid6algos.c | 1 | ||||
-rw-r--r-- | drivers/md/raid6altivec.uc | 18 | ||||
-rw-r--r-- | drivers/md/raid6test/Makefile | 27 |
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 *~ |