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-rw-r--r--drivers/md/bcache/stats.c8
-rw-r--r--drivers/md/dm-bufio.c15
-rw-r--r--drivers/md/dm-delay.c6
-rw-r--r--drivers/md/dm-era-target.c1
-rw-r--r--drivers/md/dm-integrity.c6
-rw-r--r--drivers/md/dm-mpath.c2
-rw-r--r--drivers/md/dm-raid.c6
-rw-r--r--drivers/md/dm-raid1.c8
-rw-r--r--drivers/md/dm-table.c43
-rw-r--r--drivers/md/md.c9
10 files changed, 44 insertions, 60 deletions
diff --git a/drivers/md/bcache/stats.c b/drivers/md/bcache/stats.c
index d0831d5bcc87..be119326297b 100644
--- a/drivers/md/bcache/stats.c
+++ b/drivers/md/bcache/stats.c
@@ -147,9 +147,9 @@ static void scale_stats(struct cache_stats *stats, unsigned long rescale_at)
}
}
-static void scale_accounting(unsigned long data)
+static void scale_accounting(struct timer_list *t)
{
- struct cache_accounting *acc = (struct cache_accounting *) data;
+ struct cache_accounting *acc = from_timer(acc, t, timer);
#define move_stat(name) do { \
unsigned t = atomic_xchg(&acc->collector.name, 0); \
@@ -234,9 +234,7 @@ void bch_cache_accounting_init(struct cache_accounting *acc,
kobject_init(&acc->day.kobj, &bch_stats_ktype);
closure_init(&acc->cl, parent);
- init_timer(&acc->timer);
+ timer_setup(&acc->timer, scale_accounting, 0);
acc->timer.expires = jiffies + accounting_delay;
- acc->timer.data = (unsigned long) acc;
- acc->timer.function = scale_accounting;
add_timer(&acc->timer);
}
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 33bb074d6941..b8ac591aaaa7 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -974,7 +974,8 @@ static void __get_memory_limit(struct dm_bufio_client *c,
buffers = c->minimum_buffers;
*limit_buffers = buffers;
- *threshold_buffers = buffers * DM_BUFIO_WRITEBACK_PERCENT / 100;
+ *threshold_buffers = mult_frac(buffers,
+ DM_BUFIO_WRITEBACK_PERCENT, 100);
}
/*
@@ -1910,19 +1911,15 @@ static int __init dm_bufio_init(void)
memset(&dm_bufio_caches, 0, sizeof dm_bufio_caches);
memset(&dm_bufio_cache_names, 0, sizeof dm_bufio_cache_names);
- mem = (__u64)((totalram_pages - totalhigh_pages) *
- DM_BUFIO_MEMORY_PERCENT / 100) << PAGE_SHIFT;
+ mem = (__u64)mult_frac(totalram_pages - totalhigh_pages,
+ DM_BUFIO_MEMORY_PERCENT, 100) << PAGE_SHIFT;
if (mem > ULONG_MAX)
mem = ULONG_MAX;
#ifdef CONFIG_MMU
- /*
- * Get the size of vmalloc space the same way as VMALLOC_TOTAL
- * in fs/proc/internal.h
- */
- if (mem > (VMALLOC_END - VMALLOC_START) * DM_BUFIO_VMALLOC_PERCENT / 100)
- mem = (VMALLOC_END - VMALLOC_START) * DM_BUFIO_VMALLOC_PERCENT / 100;
+ if (mem > mult_frac(VMALLOC_TOTAL, DM_BUFIO_VMALLOC_PERCENT, 100))
+ mem = mult_frac(VMALLOC_TOTAL, DM_BUFIO_VMALLOC_PERCENT, 100);
#endif
dm_bufio_default_cache_size = mem;
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index 2209a9700acd..288386bfbfb5 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -44,9 +44,9 @@ struct dm_delay_info {
static DEFINE_MUTEX(delayed_bios_lock);
-static void handle_delayed_timer(unsigned long data)
+static void handle_delayed_timer(struct timer_list *t)
{
- struct delay_c *dc = (struct delay_c *)data;
+ struct delay_c *dc = from_timer(dc, t, delay_timer);
queue_work(dc->kdelayd_wq, &dc->flush_expired_bios);
}
@@ -195,7 +195,7 @@ out:
goto bad_queue;
}
- setup_timer(&dc->delay_timer, handle_delayed_timer, (unsigned long)dc);
+ timer_setup(&dc->delay_timer, handle_delayed_timer, 0);
INIT_WORK(&dc->flush_expired_bios, flush_expired_bios);
INIT_LIST_HEAD(&dc->delayed_bios);
diff --git a/drivers/md/dm-era-target.c b/drivers/md/dm-era-target.c
index ba84b8d62cd0..73a5c198113a 100644
--- a/drivers/md/dm-era-target.c
+++ b/drivers/md/dm-era-target.c
@@ -1513,7 +1513,6 @@ static int era_ctr(struct dm_target *ti, unsigned argc, char **argv)
ti->flush_supported = true;
ti->num_discard_bios = 1;
- ti->discards_supported = true;
era->callbacks.congested_fn = era_is_congested;
dm_table_add_target_callbacks(ti->table, &era->callbacks);
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 61180783ef42..05c7bfd0c9d9 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -1094,9 +1094,9 @@ static void sleep_on_endio_wait(struct dm_integrity_c *ic)
__remove_wait_queue(&ic->endio_wait, &wait);
}
-static void autocommit_fn(unsigned long data)
+static void autocommit_fn(struct timer_list *t)
{
- struct dm_integrity_c *ic = (struct dm_integrity_c *)data;
+ struct dm_integrity_c *ic = from_timer(ic, t, autocommit_timer);
if (likely(!dm_integrity_failed(ic)))
queue_work(ic->commit_wq, &ic->commit_work);
@@ -2942,7 +2942,7 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv)
ic->autocommit_jiffies = msecs_to_jiffies(sync_msec);
ic->autocommit_msec = sync_msec;
- setup_timer(&ic->autocommit_timer, autocommit_fn, (unsigned long)ic);
+ timer_setup(&ic->autocommit_timer, autocommit_fn, 0);
ic->io = dm_io_client_create();
if (IS_ERR(ic->io)) {
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 204606bef9e2..c8faa2b85842 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -499,8 +499,6 @@ static int multipath_clone_and_map(struct dm_target *ti, struct request *rq,
if (IS_ERR(clone)) {
/* EBUSY, ENODEV or EWOULDBLOCK: requeue */
bool queue_dying = blk_queue_dying(q);
- DMERR_LIMIT("blk_get_request() returned %ld%s - requeuing",
- PTR_ERR(clone), queue_dying ? " (path offline)" : "");
if (queue_dying) {
atomic_inc(&m->pg_init_in_progress);
activate_or_offline_path(pgpath);
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 366c625b9591..6319d846e0ad 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -2887,9 +2887,6 @@ static void configure_discard_support(struct raid_set *rs)
bool raid456;
struct dm_target *ti = rs->ti;
- /* Assume discards not supported until after checks below. */
- ti->discards_supported = false;
-
/*
* XXX: RAID level 4,5,6 require zeroing for safety.
*/
@@ -2914,9 +2911,6 @@ static void configure_discard_support(struct raid_set *rs)
}
}
- /* All RAID members properly support discards */
- ti->discards_supported = true;
-
/*
* RAID1 and RAID10 personalities require bio splitting,
* RAID0/4/5/6 don't and process large discard bios properly.
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index c0b82136b2d1..580c49cc8079 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -94,9 +94,9 @@ static void wakeup_mirrord(void *context)
queue_work(ms->kmirrord_wq, &ms->kmirrord_work);
}
-static void delayed_wake_fn(unsigned long data)
+static void delayed_wake_fn(struct timer_list *t)
{
- struct mirror_set *ms = (struct mirror_set *) data;
+ struct mirror_set *ms = from_timer(ms, t, timer);
clear_bit(0, &ms->timer_pending);
wakeup_mirrord(ms);
@@ -108,8 +108,6 @@ static void delayed_wake(struct mirror_set *ms)
return;
ms->timer.expires = jiffies + HZ / 5;
- ms->timer.data = (unsigned long) ms;
- ms->timer.function = delayed_wake_fn;
add_timer(&ms->timer);
}
@@ -1133,7 +1131,7 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv)
goto err_free_context;
}
INIT_WORK(&ms->kmirrord_work, do_mirror);
- init_timer(&ms->timer);
+ timer_setup(&ms->timer, delayed_wake_fn, 0);
ms->timer_pending = 0;
INIT_WORK(&ms->trigger_event, trigger_event);
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 433bd3f3014c..88130b5d95f9 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -1758,13 +1758,12 @@ static bool dm_table_supports_write_zeroes(struct dm_table *t)
return true;
}
-
-static int device_discard_capable(struct dm_target *ti, struct dm_dev *dev,
- sector_t start, sector_t len, void *data)
+static int device_not_discard_capable(struct dm_target *ti, struct dm_dev *dev,
+ sector_t start, sector_t len, void *data)
{
struct request_queue *q = bdev_get_queue(dev->bdev);
- return q && blk_queue_discard(q);
+ return q && !blk_queue_discard(q);
}
static bool dm_table_supports_discards(struct dm_table *t)
@@ -1772,28 +1771,24 @@ static bool dm_table_supports_discards(struct dm_table *t)
struct dm_target *ti;
unsigned i;
- /*
- * Unless any target used by the table set discards_supported,
- * require at least one underlying device to support discards.
- * t->devices includes internal dm devices such as mirror logs
- * so we need to use iterate_devices here, which targets
- * supporting discard selectively must provide.
- */
for (i = 0; i < dm_table_get_num_targets(t); i++) {
ti = dm_table_get_target(t, i);
if (!ti->num_discard_bios)
- continue;
-
- if (ti->discards_supported)
- return true;
+ return false;
- if (ti->type->iterate_devices &&
- ti->type->iterate_devices(ti, device_discard_capable, NULL))
- return true;
+ /*
+ * Either the target provides discard support (as implied by setting
+ * 'discards_supported') or it relies on _all_ data devices having
+ * discard support.
+ */
+ if (!ti->discards_supported &&
+ (!ti->type->iterate_devices ||
+ ti->type->iterate_devices(ti, device_not_discard_capable, NULL)))
+ return false;
}
- return false;
+ return true;
}
void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
@@ -1806,9 +1801,15 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
*/
q->limits = *limits;
- if (!dm_table_supports_discards(t))
+ if (!dm_table_supports_discards(t)) {
queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, q);
- else
+ /* Must also clear discard limits... */
+ q->limits.max_discard_sectors = 0;
+ q->limits.max_hw_discard_sectors = 0;
+ q->limits.discard_granularity = 0;
+ q->limits.discard_alignment = 0;
+ q->limits.discard_misaligned = 0;
+ } else
queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q);
if (dm_table_supports_flush(t, (1UL << QUEUE_FLAG_WC))) {
diff --git a/drivers/md/md.c b/drivers/md/md.c
index c3dc134b9fb5..41c050b59ec4 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -541,7 +541,7 @@ static void mddev_put(struct mddev *mddev)
bioset_free(sync_bs);
}
-static void md_safemode_timeout(unsigned long data);
+static void md_safemode_timeout(struct timer_list *t);
void mddev_init(struct mddev *mddev)
{
@@ -550,8 +550,7 @@ void mddev_init(struct mddev *mddev)
mutex_init(&mddev->bitmap_info.mutex);
INIT_LIST_HEAD(&mddev->disks);
INIT_LIST_HEAD(&mddev->all_mddevs);
- setup_timer(&mddev->safemode_timer, md_safemode_timeout,
- (unsigned long) mddev);
+ timer_setup(&mddev->safemode_timer, md_safemode_timeout, 0);
atomic_set(&mddev->active, 1);
atomic_set(&mddev->openers, 0);
atomic_set(&mddev->active_io, 0);
@@ -5404,9 +5403,9 @@ static int add_named_array(const char *val, const struct kernel_param *kp)
return -EINVAL;
}
-static void md_safemode_timeout(unsigned long data)
+static void md_safemode_timeout(struct timer_list *t)
{
- struct mddev *mddev = (struct mddev *) data;
+ struct mddev *mddev = from_timer(mddev, t, safemode_timer);
mddev->safemode = 1;
if (mddev->external)
generated by cgit (git 2.34.1) at 2024-06-10 03:20:24 +0000