Merge branch 'sh/evt2irq-migration' into sh-latest

Conflicts:
	arch/sh/kernel/cpu/sh3/setup-sh770x.c
	arch/sh/kernel/cpu/sh3/setup-sh7710.c
	arch/sh/kernel/cpu/sh3/setup-sh7720.c
	arch/sh/kernel/cpu/sh4/setup-sh7750.c
	arch/sh/kernel/cpu/sh4a/setup-sh7343.c
	arch/sh/kernel/cpu/sh4a/setup-sh7366.c
	arch/sh/kernel/cpu/sh4a/setup-sh7722.c
	arch/sh/kernel/cpu/sh4a/setup-sh7723.c
	arch/sh/kernel/cpu/sh4a/setup-sh7724.c
	arch/sh/kernel/cpu/sh4a/setup-sh7757.c
	arch/sh/kernel/cpu/sh4a/setup-sh7763.c
	arch/sh/kernel/cpu/sh4a/setup-sh7770.c
	arch/sh/kernel/cpu/sh4a/setup-sh7785.c
	arch/sh/kernel/cpu/sh4a/setup-sh7786.c

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

5 files changed, 49 insertions, 31 deletions

diff --git a/drivers/md/dm-log-userspace-transfer.c b/drivers/md/dm-log-userspace-transfer.c
index 1f23e048f077..08d9a207259a 100644
--- a/drivers/md/dm-log-userspace-transfer.c
+++ b/drivers/md/dm-log-userspace-transfer.c
@@ -134,7 +134,7 @@ static void cn_ulog_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
 {
 	struct dm_ulog_request *tfr = (struct dm_ulog_request *)(msg + 1);
 
-	if (!cap_raised(current_cap(), CAP_SYS_ADMIN))
+	if (!capable(CAP_SYS_ADMIN))
 		return;
 
 	spin_lock(&receiving_list_lock);
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 922a3385eead..754f38f8a692 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -718,8 +718,8 @@ static int parse_hw_handler(struct dm_arg_set *as, struct multipath *m)
 		return 0;
 
 	m->hw_handler_name = kstrdup(dm_shift_arg(as), GFP_KERNEL);
-	request_module("scsi_dh_%s", m->hw_handler_name);
-	if (scsi_dh_handler_exist(m->hw_handler_name) == 0) {
+	if (!try_then_request_module(scsi_dh_handler_exist(m->hw_handler_name),
+				     "scsi_dh_%s", m->hw_handler_name)) {
 		ti->error = "unknown hardware handler type";
 		ret = -EINVAL;
 		goto fail;
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 213ae32a0fc4..2fd87b544a93 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -279,8 +279,10 @@ static void __cell_release(struct cell *cell, struct bio_list *inmates)
 
 	hlist_del(&cell->list);
 
-	bio_list_add(inmates, cell->holder);
-	bio_list_merge(inmates, &cell->bios);
+	if (inmates) {
+		bio_list_add(inmates, cell->holder);
+		bio_list_merge(inmates, &cell->bios);
+	}
 
 	mempool_free(cell, prison->cell_pool);
 }
@@ -303,9 +305,10 @@ static void cell_release(struct cell *cell, struct bio_list *bios)
  */
 static void __cell_release_singleton(struct cell *cell, struct bio *bio)
 {
-	hlist_del(&cell->list);
 	BUG_ON(cell->holder != bio);
 	BUG_ON(!bio_list_empty(&cell->bios));
+
+	__cell_release(cell, NULL);
 }
 
 static void cell_release_singleton(struct cell *cell, struct bio *bio)
@@ -1177,6 +1180,7 @@ static void no_space(struct cell *cell)
 static void process_discard(struct thin_c *tc, struct bio *bio)
 {
 	int r;
+	unsigned long flags;
 	struct pool *pool = tc->pool;
 	struct cell *cell, *cell2;
 	struct cell_key key, key2;
@@ -1218,7 +1222,9 @@ static void process_discard(struct thin_c *tc, struct bio *bio)
 			m->bio = bio;
 
 			if (!ds_add_work(&pool->all_io_ds, &m->list)) {
+				spin_lock_irqsave(&pool->lock, flags);
 				list_add(&m->list, &pool->prepared_discards);
+				spin_unlock_irqrestore(&pool->lock, flags);
 				wake_worker(pool);
 			}
 		} else {
@@ -2626,8 +2632,10 @@ static int thin_endio(struct dm_target *ti,
 	if (h->all_io_entry) {
 		INIT_LIST_HEAD(&work);
 		ds_dec(h->all_io_entry, &work);
+		spin_lock_irqsave(&pool->lock, flags);
 		list_for_each_entry_safe(m, tmp, &work, list)
 			list_add(&m->list, &pool->prepared_discards);
+		spin_unlock_irqrestore(&pool->lock, flags);
 	}
 
 	mempool_free(h, pool->endio_hook_pool);
@@ -2759,6 +2767,6 @@ static void dm_thin_exit(void)
 module_init(dm_thin_init);
 module_exit(dm_thin_exit);
 
-MODULE_DESCRIPTION(DM_NAME "device-mapper thin provisioning target");
+MODULE_DESCRIPTION(DM_NAME " thin provisioning target");
 MODULE_AUTHOR("Joe Thornber <dm-devel@redhat.com>");
 MODULE_LICENSE("GPL");
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 477eb2e180c0..01233d855eb2 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -391,6 +391,8 @@ void mddev_suspend(struct mddev *mddev)
 	synchronize_rcu();
 	wait_event(mddev->sb_wait, atomic_read(&mddev->active_io) == 0);
 	mddev->pers->quiesce(mddev, 1);
+
+	del_timer_sync(&mddev->safemode_timer);
 }
 EXPORT_SYMBOL_GPL(mddev_suspend);
 
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index c8dbb84d5357..3e7b1548111a 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -3164,12 +3164,40 @@ raid10_size(struct mddev *mddev, sector_t sectors, int raid_disks)
 	return size << conf->chunk_shift;
 }
 
+static void calc_sectors(struct r10conf *conf, sector_t size)
+{
+	/* Calculate the number of sectors-per-device that will
+	 * actually be used, and set conf->dev_sectors and
+	 * conf->stride
+	 */
+
+	size = size >> conf->chunk_shift;
+	sector_div(size, conf->far_copies);
+	size = size * conf->raid_disks;
+	sector_div(size, conf->near_copies);
+	/* 'size' is now the number of chunks in the array */
+	/* calculate "used chunks per device" */
+	size = size * conf->copies;
+
+	/* We need to round up when dividing by raid_disks to
+	 * get the stride size.
+	 */
+	size = DIV_ROUND_UP_SECTOR_T(size, conf->raid_disks);
+
+	conf->dev_sectors = size << conf->chunk_shift;
+
+	if (conf->far_offset)
+		conf->stride = 1 << conf->chunk_shift;
+	else {
+		sector_div(size, conf->near_copies);
+		conf->stride = size << conf->chunk_shift;
+	}
+}
 
 static struct r10conf *setup_conf(struct mddev *mddev)
 {
 	struct r10conf *conf = NULL;
 	int nc, fc, fo;
-	sector_t stride, size;
 	int err = -EINVAL;
 
 	if (mddev->new_chunk_sectors < (PAGE_SIZE >> 9) ||
@@ -3219,28 +3247,7 @@ static struct r10conf *setup_conf(struct mddev *mddev)
 	if (!conf->r10bio_pool)
 		goto out;
 
-	size = mddev->dev_sectors >> conf->chunk_shift;
-	sector_div(size, fc);
-	size = size * conf->raid_disks;
-	sector_div(size, nc);
-	/* 'size' is now the number of chunks in the array */
-	/* calculate "used chunks per device" in 'stride' */
-	stride = size * conf->copies;
-
-	/* We need to round up when dividing by raid_disks to
-	 * get the stride size.
-	 */
-	stride += conf->raid_disks - 1;
-	sector_div(stride, conf->raid_disks);
-
-	conf->dev_sectors = stride << conf->chunk_shift;
-
-	if (fo)
-		stride = 1;
-	else
-		sector_div(stride, fc);
-	conf->stride = stride << conf->chunk_shift;
-
+	calc_sectors(conf, mddev->dev_sectors);
 
 	spin_lock_init(&conf->device_lock);
 	INIT_LIST_HEAD(&conf->retry_list);
@@ -3468,7 +3475,8 @@ static int raid10_resize(struct mddev *mddev, sector_t sectors)
 		mddev->recovery_cp = oldsize;
 		set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
 	}
-	mddev->dev_sectors = sectors;
+	calc_sectors(conf, sectors);
+	mddev->dev_sectors = conf->dev_sectors;
 	mddev->resync_max_sectors = size;
 	return 0;
 }