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-rw-r--r--drivers/bluetooth/btusb.c4
-rw-r--r--drivers/input/ff-core.c20
-rw-r--r--drivers/input/ff-memless.c26
-rw-r--r--drivers/input/input.c29
-rw-r--r--drivers/input/keyboard/atkbd.c13
-rw-r--r--drivers/input/mouse/psmouse-base.c2
-rw-r--r--drivers/md/md.c41
-rw-r--r--drivers/md/raid5.c85
-rw-r--r--drivers/s390/char/monreader.c1
-rw-r--r--drivers/s390/char/sclp_quiesce.c48
10 files changed, 208 insertions, 61 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 2fb38027f3b..44bc8bbabf5 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -600,11 +600,13 @@ static int btusb_close(struct hci_dev *hdev)
btusb_stop_traffic(data);
err = usb_autopm_get_interface(data->intf);
if (err < 0)
- return 0;
+ goto failed;
data->intf->needs_remote_wakeup = 0;
usb_autopm_put_interface(data->intf);
+failed:
+ usb_scuttle_anchored_urbs(&data->deferred);
return 0;
}
diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c
index 72c63e5dd63..38df81fcdc3 100644
--- a/drivers/input/ff-core.c
+++ b/drivers/input/ff-core.c
@@ -337,16 +337,16 @@ int input_ff_create(struct input_dev *dev, int max_effects)
dev->ff = ff;
dev->flush = flush_effects;
dev->event = input_ff_event;
- set_bit(EV_FF, dev->evbit);
+ __set_bit(EV_FF, dev->evbit);
/* Copy "true" bits into ff device bitmap */
for (i = 0; i <= FF_MAX; i++)
if (test_bit(i, dev->ffbit))
- set_bit(i, ff->ffbit);
+ __set_bit(i, ff->ffbit);
/* we can emulate RUMBLE with periodic effects */
if (test_bit(FF_PERIODIC, ff->ffbit))
- set_bit(FF_RUMBLE, dev->ffbit);
+ __set_bit(FF_RUMBLE, dev->ffbit);
return 0;
}
@@ -362,12 +362,14 @@ EXPORT_SYMBOL_GPL(input_ff_create);
*/
void input_ff_destroy(struct input_dev *dev)
{
- clear_bit(EV_FF, dev->evbit);
- if (dev->ff) {
- if (dev->ff->destroy)
- dev->ff->destroy(dev->ff);
- kfree(dev->ff->private);
- kfree(dev->ff);
+ struct ff_device *ff = dev->ff;
+
+ __clear_bit(EV_FF, dev->evbit);
+ if (ff) {
+ if (ff->destroy)
+ ff->destroy(ff);
+ kfree(ff->private);
+ kfree(ff);
dev->ff = NULL;
}
}
diff --git a/drivers/input/ff-memless.c b/drivers/input/ff-memless.c
index 2d1415e1683..b483b2995fa 100644
--- a/drivers/input/ff-memless.c
+++ b/drivers/input/ff-memless.c
@@ -61,7 +61,6 @@ struct ml_device {
struct ml_effect_state states[FF_MEMLESS_EFFECTS];
int gain;
struct timer_list timer;
- spinlock_t timer_lock;
struct input_dev *dev;
int (*play_effect)(struct input_dev *dev, void *data,
@@ -368,38 +367,38 @@ static void ml_effect_timer(unsigned long timer_data)
{
struct input_dev *dev = (struct input_dev *)timer_data;
struct ml_device *ml = dev->ff->private;
+ unsigned long flags;
debug("timer: updating effects");
- spin_lock(&ml->timer_lock);
+ spin_lock_irqsave(&dev->event_lock, flags);
ml_play_effects(ml);
- spin_unlock(&ml->timer_lock);
+ spin_unlock_irqrestore(&dev->event_lock, flags);
}
+/*
+ * Sets requested gain for FF effects. Called with dev->event_lock held.
+ */
static void ml_ff_set_gain(struct input_dev *dev, u16 gain)
{
struct ml_device *ml = dev->ff->private;
int i;
- spin_lock_bh(&ml->timer_lock);
-
ml->gain = gain;
for (i = 0; i < FF_MEMLESS_EFFECTS; i++)
__clear_bit(FF_EFFECT_PLAYING, &ml->states[i].flags);
ml_play_effects(ml);
-
- spin_unlock_bh(&ml->timer_lock);
}
+/*
+ * Start/stop specified FF effect. Called with dev->event_lock held.
+ */
static int ml_ff_playback(struct input_dev *dev, int effect_id, int value)
{
struct ml_device *ml = dev->ff->private;
struct ml_effect_state *state = &ml->states[effect_id];
- unsigned long flags;
-
- spin_lock_irqsave(&ml->timer_lock, flags);
if (value > 0) {
debug("initiated play");
@@ -425,8 +424,6 @@ static int ml_ff_playback(struct input_dev *dev, int effect_id, int value)
ml_play_effects(ml);
}
- spin_unlock_irqrestore(&ml->timer_lock, flags);
-
return 0;
}
@@ -436,7 +433,7 @@ static int ml_ff_upload(struct input_dev *dev,
struct ml_device *ml = dev->ff->private;
struct ml_effect_state *state = &ml->states[effect->id];
- spin_lock_bh(&ml->timer_lock);
+ spin_lock_irq(&dev->event_lock);
if (test_bit(FF_EFFECT_STARTED, &state->flags)) {
__clear_bit(FF_EFFECT_PLAYING, &state->flags);
@@ -448,7 +445,7 @@ static int ml_ff_upload(struct input_dev *dev,
ml_schedule_timer(ml);
}
- spin_unlock_bh(&ml->timer_lock);
+ spin_unlock_irq(&dev->event_lock);
return 0;
}
@@ -482,7 +479,6 @@ int input_ff_create_memless(struct input_dev *dev, void *data,
ml->private = data;
ml->play_effect = play_effect;
ml->gain = 0xffff;
- spin_lock_init(&ml->timer_lock);
setup_timer(&ml->timer, ml_effect_timer, (unsigned long)dev);
set_bit(FF_GAIN, dev->ffbit);
diff --git a/drivers/input/input.c b/drivers/input/input.c
index cc763c96fad..2266ecbfbc0 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1292,17 +1292,24 @@ static int input_dev_uevent(struct device *device, struct kobj_uevent_env *env)
return 0;
}
-#define INPUT_DO_TOGGLE(dev, type, bits, on) \
- do { \
- int i; \
- if (!test_bit(EV_##type, dev->evbit)) \
- break; \
- for (i = 0; i < type##_MAX; i++) { \
- if (!test_bit(i, dev->bits##bit) || \
- !test_bit(i, dev->bits)) \
- continue; \
- dev->event(dev, EV_##type, i, on); \
- } \
+#define INPUT_DO_TOGGLE(dev, type, bits, on) \
+ do { \
+ int i; \
+ bool active; \
+ \
+ if (!test_bit(EV_##type, dev->evbit)) \
+ break; \
+ \
+ for (i = 0; i < type##_MAX; i++) { \
+ if (!test_bit(i, dev->bits##bit)) \
+ continue; \
+ \
+ active = test_bit(i, dev->bits); \
+ if (!active && !on) \
+ continue; \
+ \
+ dev->event(dev, EV_##type, i, on ? active : 0); \
+ } \
} while (0)
#ifdef CONFIG_PM
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 4452eabbee6..28e6110d1ff 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -1174,6 +1174,18 @@ static int atkbd_reconnect(struct serio *serio)
return -1;
atkbd_activate(atkbd);
+
+ /*
+ * Restore LED state and repeat rate. While input core
+ * will do this for us at resume time reconnect may happen
+ * because user requested it via sysfs or simply because
+ * keyboard was unplugged and plugged in again so we need
+ * to do it ourselves here.
+ */
+ atkbd_set_leds(atkbd);
+ if (!atkbd->softrepeat)
+ atkbd_set_repeat_rate(atkbd);
+
}
atkbd_enable(atkbd);
@@ -1422,6 +1434,7 @@ static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
atkbd->dev = new_dev;
atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra);
+ atkbd_reset_state(atkbd);
atkbd_activate(atkbd);
atkbd_set_keycode_table(atkbd);
atkbd_set_device_attrs(atkbd);
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 690aed90543..5bd64841bf1 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -1673,7 +1673,7 @@ static int psmouse_get_maxproto(char *buffer, struct kernel_param *kp)
{
int type = *((unsigned int *)kp->arg);
- return sprintf(buffer, "%s\n", psmouse_protocol_by_type(type)->name);
+ return sprintf(buffer, "%s", psmouse_protocol_by_type(type)->name);
}
static int __init psmouse_init(void)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index e64c971038d..b182f86a19d 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -944,6 +944,14 @@ static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev)
desc->raid_disk < mddev->raid_disks */) {
set_bit(In_sync, &rdev->flags);
rdev->raid_disk = desc->raid_disk;
+ } else if (desc->state & (1<<MD_DISK_ACTIVE)) {
+ /* active but not in sync implies recovery up to
+ * reshape position. We don't know exactly where
+ * that is, so set to zero for now */
+ if (mddev->minor_version >= 91) {
+ rdev->recovery_offset = 0;
+ rdev->raid_disk = desc->raid_disk;
+ }
}
if (desc->state & (1<<MD_DISK_WRITEMOSTLY))
set_bit(WriteMostly, &rdev->flags);
@@ -1032,8 +1040,19 @@ static void super_90_sync(mddev_t *mddev, mdk_rdev_t *rdev)
list_for_each_entry(rdev2, &mddev->disks, same_set) {
mdp_disk_t *d;
int desc_nr;
- if (rdev2->raid_disk >= 0 && test_bit(In_sync, &rdev2->flags)
- && !test_bit(Faulty, &rdev2->flags))
+ int is_active = test_bit(In_sync, &rdev2->flags);
+
+ if (rdev2->raid_disk >= 0 &&
+ sb->minor_version >= 91)
+ /* we have nowhere to store the recovery_offset,
+ * but if it is not below the reshape_position,
+ * we can piggy-back on that.
+ */
+ is_active = 1;
+ if (rdev2->raid_disk < 0 ||
+ test_bit(Faulty, &rdev2->flags))
+ is_active = 0;
+ if (is_active)
desc_nr = rdev2->raid_disk;
else
desc_nr = next_spare++;
@@ -1043,16 +1062,16 @@ static void super_90_sync(mddev_t *mddev, mdk_rdev_t *rdev)
d->number = rdev2->desc_nr;
d->major = MAJOR(rdev2->bdev->bd_dev);
d->minor = MINOR(rdev2->bdev->bd_dev);
- if (rdev2->raid_disk >= 0 && test_bit(In_sync, &rdev2->flags)
- && !test_bit(Faulty, &rdev2->flags))
+ if (is_active)
d->raid_disk = rdev2->raid_disk;
else
d->raid_disk = rdev2->desc_nr; /* compatibility */
if (test_bit(Faulty, &rdev2->flags))
d->state = (1<<MD_DISK_FAULTY);
- else if (test_bit(In_sync, &rdev2->flags)) {
+ else if (is_active) {
d->state = (1<<MD_DISK_ACTIVE);
- d->state |= (1<<MD_DISK_SYNC);
+ if (test_bit(In_sync, &rdev2->flags))
+ d->state |= (1<<MD_DISK_SYNC);
active++;
working++;
} else {
@@ -1382,8 +1401,6 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
if (rdev->raid_disk >= 0 &&
!test_bit(In_sync, &rdev->flags)) {
- if (mddev->curr_resync_completed > rdev->recovery_offset)
- rdev->recovery_offset = mddev->curr_resync_completed;
if (rdev->recovery_offset > 0) {
sb->feature_map |=
cpu_to_le32(MD_FEATURE_RECOVERY_OFFSET);
@@ -1917,6 +1934,14 @@ static void sync_sbs(mddev_t * mddev, int nospares)
*/
mdk_rdev_t *rdev;
+ /* First make sure individual recovery_offsets are correct */
+ list_for_each_entry(rdev, &mddev->disks, same_set) {
+ if (rdev->raid_disk >= 0 &&
+ !test_bit(In_sync, &rdev->flags) &&
+ mddev->curr_resync_completed > rdev->recovery_offset)
+ rdev->recovery_offset = mddev->curr_resync_completed;
+
+ }
list_for_each_entry(rdev, &mddev->disks, same_set) {
if (rdev->sb_events == mddev->events ||
(nospares &&
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index dcce204b6c7..d29215d966d 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4823,11 +4823,40 @@ static raid5_conf_t *setup_conf(mddev_t *mddev)
return ERR_PTR(-ENOMEM);
}
+
+static int only_parity(int raid_disk, int algo, int raid_disks, int max_degraded)
+{
+ switch (algo) {
+ case ALGORITHM_PARITY_0:
+ if (raid_disk < max_degraded)
+ return 1;
+ break;
+ case ALGORITHM_PARITY_N:
+ if (raid_disk >= raid_disks - max_degraded)
+ return 1;
+ break;
+ case ALGORITHM_PARITY_0_6:
+ if (raid_disk == 0 ||
+ raid_disk == raid_disks - 1)
+ return 1;
+ break;
+ case ALGORITHM_LEFT_ASYMMETRIC_6:
+ case ALGORITHM_RIGHT_ASYMMETRIC_6:
+ case ALGORITHM_LEFT_SYMMETRIC_6:
+ case ALGORITHM_RIGHT_SYMMETRIC_6:
+ if (raid_disk == raid_disks - 1)
+ return 1;
+ }
+ return 0;
+}
+
static int run(mddev_t *mddev)
{
raid5_conf_t *conf;
int working_disks = 0, chunk_size;
+ int dirty_parity_disks = 0;
mdk_rdev_t *rdev;
+ sector_t reshape_offset = 0;
if (mddev->recovery_cp != MaxSector)
printk(KERN_NOTICE "raid5: %s is not clean"
@@ -4861,6 +4890,7 @@ static int run(mddev_t *mddev)
"on a stripe boundary\n");
return -EINVAL;
}
+ reshape_offset = here_new * mddev->new_chunk_sectors;
/* here_new is the stripe we will write to */
here_old = mddev->reshape_position;
sector_div(here_old, mddev->chunk_sectors *
@@ -4916,10 +4946,51 @@ static int run(mddev_t *mddev)
/*
* 0 for a fully functional array, 1 or 2 for a degraded array.
*/
- list_for_each_entry(rdev, &mddev->disks, same_set)
- if (rdev->raid_disk >= 0 &&
- test_bit(In_sync, &rdev->flags))
+ list_for_each_entry(rdev, &mddev->disks, same_set) {
+ if (rdev->raid_disk < 0)
+ continue;
+ if (test_bit(In_sync, &rdev->flags))
working_disks++;
+ /* This disc is not fully in-sync. However if it
+ * just stored parity (beyond the recovery_offset),
+ * when we don't need to be concerned about the
+ * array being dirty.
+ * When reshape goes 'backwards', we never have
+ * partially completed devices, so we only need
+ * to worry about reshape going forwards.
+ */
+ /* Hack because v0.91 doesn't store recovery_offset properly. */
+ if (mddev->major_version == 0 &&
+ mddev->minor_version > 90)
+ rdev->recovery_offset = reshape_offset;
+
+ printk("%d: w=%d pa=%d pr=%d m=%d a=%d r=%d op1=%d op2=%d\n",
+ rdev->raid_disk, working_disks, conf->prev_algo,
+ conf->previous_raid_disks, conf->max_degraded,
+ conf->algorithm, conf->raid_disks,
+ only_parity(rdev->raid_disk,
+ conf->prev_algo,
+ conf->previous_raid_disks,
+ conf->max_degraded),
+ only_parity(rdev->raid_disk,
+ conf->algorithm,
+ conf->raid_disks,
+ conf->max_degraded));
+ if (rdev->recovery_offset < reshape_offset) {
+ /* We need to check old and new layout */
+ if (!only_parity(rdev->raid_disk,
+ conf->algorithm,
+ conf->raid_disks,
+ conf->max_degraded))
+ continue;
+ }
+ if (!only_parity(rdev->raid_disk,
+ conf->prev_algo,
+ conf->previous_raid_disks,
+ conf->max_degraded))
+ continue;
+ dirty_parity_disks++;
+ }
mddev->degraded = (max(conf->raid_disks, conf->previous_raid_disks)
- working_disks);
@@ -4935,7 +5006,7 @@ static int run(mddev_t *mddev)
mddev->dev_sectors &= ~(mddev->chunk_sectors - 1);
mddev->resync_max_sectors = mddev->dev_sectors;
- if (mddev->degraded > 0 &&
+ if (mddev->degraded > dirty_parity_disks &&
mddev->recovery_cp != MaxSector) {
if (mddev->ok_start_degraded)
printk(KERN_WARNING
@@ -5361,9 +5432,11 @@ static int raid5_start_reshape(mddev_t *mddev)
!test_bit(Faulty, &rdev->flags)) {
if (raid5_add_disk(mddev, rdev) == 0) {
char nm[20];
- set_bit(In_sync, &rdev->flags);
+ if (rdev->raid_disk >= conf->previous_raid_disks)
+ set_bit(In_sync, &rdev->flags);
+ else
+ rdev->recovery_offset = 0;
added_devices++;
- rdev->recovery_offset = 0;
sprintf(nm, "rd%d", rdev->raid_disk);
if (sysfs_create_link(&mddev->kobj,
&rdev->kobj, nm))
diff --git a/drivers/s390/char/monreader.c b/drivers/s390/char/monreader.c
index 89ece1c235a..66e21dd2315 100644
--- a/drivers/s390/char/monreader.c
+++ b/drivers/s390/char/monreader.c
@@ -357,6 +357,7 @@ static int mon_close(struct inode *inode, struct file *filp)
atomic_set(&monpriv->msglim_count, 0);
monpriv->write_index = 0;
monpriv->read_index = 0;
+ dev_set_drvdata(monreader_device, NULL);
for (i = 0; i < MON_MSGLIM; i++)
kfree(monpriv->msg_array[i]);
diff --git a/drivers/s390/char/sclp_quiesce.c b/drivers/s390/char/sclp_quiesce.c
index 84c191c1cd6..05909a7df8b 100644
--- a/drivers/s390/char/sclp_quiesce.c
+++ b/drivers/s390/char/sclp_quiesce.c
@@ -20,9 +20,12 @@
#include "sclp.h"
+static void (*old_machine_restart)(char *);
+static void (*old_machine_halt)(void);
+static void (*old_machine_power_off)(void);
+
/* Shutdown handler. Signal completion of shutdown by loading special PSW. */
-static void
-do_machine_quiesce(void)
+static void do_machine_quiesce(void)
{
psw_t quiesce_psw;
@@ -33,23 +36,48 @@ do_machine_quiesce(void)
}
/* Handler for quiesce event. Start shutdown procedure. */
-static void
-sclp_quiesce_handler(struct evbuf_header *evbuf)
+static void sclp_quiesce_handler(struct evbuf_header *evbuf)
{
- _machine_restart = (void *) do_machine_quiesce;
- _machine_halt = do_machine_quiesce;
- _machine_power_off = do_machine_quiesce;
+ if (_machine_restart != (void *) do_machine_quiesce) {
+ old_machine_restart = _machine_restart;
+ old_machine_halt = _machine_halt;
+ old_machine_power_off = _machine_power_off;
+ _machine_restart = (void *) do_machine_quiesce;
+ _machine_halt = do_machine_quiesce;
+ _machine_power_off = do_machine_quiesce;
+ }
ctrl_alt_del();
}
+/* Undo machine restart/halt/power_off modification on resume */
+static void sclp_quiesce_pm_event(struct sclp_register *reg,
+ enum sclp_pm_event sclp_pm_event)
+{
+ switch (sclp_pm_event) {
+ case SCLP_PM_EVENT_RESTORE:
+ if (old_machine_restart) {
+ _machine_restart = old_machine_restart;
+ _machine_halt = old_machine_halt;
+ _machine_power_off = old_machine_power_off;
+ old_machine_restart = NULL;
+ old_machine_halt = NULL;
+ old_machine_power_off = NULL;
+ }
+ break;
+ case SCLP_PM_EVENT_FREEZE:
+ case SCLP_PM_EVENT_THAW:
+ break;
+ }
+}
+
static struct sclp_register sclp_quiesce_event = {
.receive_mask = EVTYP_SIGQUIESCE_MASK,
- .receiver_fn = sclp_quiesce_handler
+ .receiver_fn = sclp_quiesce_handler,
+ .pm_event_fn = sclp_quiesce_pm_event
};
/* Initialize quiesce driver. */
-static int __init
-sclp_quiesce_init(void)
+static int __init sclp_quiesce_init(void)
{
return sclp_register(&sclp_quiesce_event);
}