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-rw-r--r--drivers/md/dm-bufio.c10
-rw-r--r--drivers/md/dm-kcopyd.c4
-rw-r--r--drivers/md/dm-stats.c36
-rw-r--r--drivers/md/dm-switch.c2
-rw-r--r--drivers/md/dm-thin.c2
-rw-r--r--drivers/md/dm-verity-target.c2
-rw-r--r--drivers/md/dm.c4
-rw-r--r--drivers/md/md.c2
-rw-r--r--drivers/md/raid5.c2
9 files changed, 32 insertions, 32 deletions
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index d216a8f7bc22..33bb074d6941 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -347,7 +347,7 @@ static void __cache_size_refresh(void)
BUG_ON(!mutex_is_locked(&dm_bufio_clients_lock));
BUG_ON(dm_bufio_client_count < 0);
- dm_bufio_cache_size_latch = ACCESS_ONCE(dm_bufio_cache_size);
+ dm_bufio_cache_size_latch = READ_ONCE(dm_bufio_cache_size);
/*
* Use default if set to 0 and report the actual cache size used.
@@ -960,7 +960,7 @@ static void __get_memory_limit(struct dm_bufio_client *c,
{
unsigned long buffers;
- if (unlikely(ACCESS_ONCE(dm_bufio_cache_size) != dm_bufio_cache_size_latch)) {
+ if (unlikely(READ_ONCE(dm_bufio_cache_size) != dm_bufio_cache_size_latch)) {
if (mutex_trylock(&dm_bufio_clients_lock)) {
__cache_size_refresh();
mutex_unlock(&dm_bufio_clients_lock);
@@ -1600,7 +1600,7 @@ static bool __try_evict_buffer(struct dm_buffer *b, gfp_t gfp)
static unsigned long get_retain_buffers(struct dm_bufio_client *c)
{
- unsigned long retain_bytes = ACCESS_ONCE(dm_bufio_retain_bytes);
+ unsigned long retain_bytes = READ_ONCE(dm_bufio_retain_bytes);
return retain_bytes >> (c->sectors_per_block_bits + SECTOR_SHIFT);
}
@@ -1647,7 +1647,7 @@ dm_bufio_shrink_count(struct shrinker *shrink, struct shrink_control *sc)
{
struct dm_bufio_client *c = container_of(shrink, struct dm_bufio_client, shrinker);
- return ACCESS_ONCE(c->n_buffers[LIST_CLEAN]) + ACCESS_ONCE(c->n_buffers[LIST_DIRTY]);
+ return READ_ONCE(c->n_buffers[LIST_CLEAN]) + READ_ONCE(c->n_buffers[LIST_DIRTY]);
}
/*
@@ -1818,7 +1818,7 @@ EXPORT_SYMBOL_GPL(dm_bufio_set_sector_offset);
static unsigned get_max_age_hz(void)
{
- unsigned max_age = ACCESS_ONCE(dm_bufio_max_age);
+ unsigned max_age = READ_ONCE(dm_bufio_max_age);
if (max_age > UINT_MAX / HZ)
max_age = UINT_MAX / HZ;
diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c
index cf2c67e35eaf..eb45cc3df31d 100644
--- a/drivers/md/dm-kcopyd.c
+++ b/drivers/md/dm-kcopyd.c
@@ -107,7 +107,7 @@ static void io_job_start(struct dm_kcopyd_throttle *t)
try_again:
spin_lock_irq(&throttle_spinlock);
- throttle = ACCESS_ONCE(t->throttle);
+ throttle = READ_ONCE(t->throttle);
if (likely(throttle >= 100))
goto skip_limit;
@@ -157,7 +157,7 @@ static void io_job_finish(struct dm_kcopyd_throttle *t)
t->num_io_jobs--;
- if (likely(ACCESS_ONCE(t->throttle) >= 100))
+ if (likely(READ_ONCE(t->throttle) >= 100))
goto skip_limit;
if (!t->num_io_jobs) {
diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c
index 6028d8247f58..a1a5eec783cc 100644
--- a/drivers/md/dm-stats.c
+++ b/drivers/md/dm-stats.c
@@ -431,7 +431,7 @@ do_sync_free:
synchronize_rcu_expedited();
dm_stat_free(&s->rcu_head);
} else {
- ACCESS_ONCE(dm_stat_need_rcu_barrier) = 1;
+ WRITE_ONCE(dm_stat_need_rcu_barrier, 1);
call_rcu(&s->rcu_head, dm_stat_free);
}
return 0;
@@ -639,12 +639,12 @@ void dm_stats_account_io(struct dm_stats *stats, unsigned long bi_rw,
*/
last = raw_cpu_ptr(stats->last);
stats_aux->merged =
- (bi_sector == (ACCESS_ONCE(last->last_sector) &&
+ (bi_sector == (READ_ONCE(last->last_sector) &&
((bi_rw == WRITE) ==
- (ACCESS_ONCE(last->last_rw) == WRITE))
+ (READ_ONCE(last->last_rw) == WRITE))
));
- ACCESS_ONCE(last->last_sector) = end_sector;
- ACCESS_ONCE(last->last_rw) = bi_rw;
+ WRITE_ONCE(last->last_sector, end_sector);
+ WRITE_ONCE(last->last_rw, bi_rw);
}
rcu_read_lock();
@@ -693,22 +693,22 @@ static void __dm_stat_init_temporary_percpu_totals(struct dm_stat_shared *shared
for_each_possible_cpu(cpu) {
p = &s->stat_percpu[cpu][x];
- shared->tmp.sectors[READ] += ACCESS_ONCE(p->sectors[READ]);
- shared->tmp.sectors[WRITE] += ACCESS_ONCE(p->sectors[WRITE]);
- shared->tmp.ios[READ] += ACCESS_ONCE(p->ios[READ]);
- shared->tmp.ios[WRITE] += ACCESS_ONCE(p->ios[WRITE]);
- shared->tmp.merges[READ] += ACCESS_ONCE(p->merges[READ]);
- shared->tmp.merges[WRITE] += ACCESS_ONCE(p->merges[WRITE]);
- shared->tmp.ticks[READ] += ACCESS_ONCE(p->ticks[READ]);
- shared->tmp.ticks[WRITE] += ACCESS_ONCE(p->ticks[WRITE]);
- shared->tmp.io_ticks[READ] += ACCESS_ONCE(p->io_ticks[READ]);
- shared->tmp.io_ticks[WRITE] += ACCESS_ONCE(p->io_ticks[WRITE]);
- shared->tmp.io_ticks_total += ACCESS_ONCE(p->io_ticks_total);
- shared->tmp.time_in_queue += ACCESS_ONCE(p->time_in_queue);
+ shared->tmp.sectors[READ] += READ_ONCE(p->sectors[READ]);
+ shared->tmp.sectors[WRITE] += READ_ONCE(p->sectors[WRITE]);
+ shared->tmp.ios[READ] += READ_ONCE(p->ios[READ]);
+ shared->tmp.ios[WRITE] += READ_ONCE(p->ios[WRITE]);
+ shared->tmp.merges[READ] += READ_ONCE(p->merges[READ]);
+ shared->tmp.merges[WRITE] += READ_ONCE(p->merges[WRITE]);
+ shared->tmp.ticks[READ] += READ_ONCE(p->ticks[READ]);
+ shared->tmp.ticks[WRITE] += READ_ONCE(p->ticks[WRITE]);
+ shared->tmp.io_ticks[READ] += READ_ONCE(p->io_ticks[READ]);
+ shared->tmp.io_ticks[WRITE] += READ_ONCE(p->io_ticks[WRITE]);
+ shared->tmp.io_ticks_total += READ_ONCE(p->io_ticks_total);
+ shared->tmp.time_in_queue += READ_ONCE(p->time_in_queue);
if (s->n_histogram_entries) {
unsigned i;
for (i = 0; i < s->n_histogram_entries + 1; i++)
- shared->tmp.histogram[i] += ACCESS_ONCE(p->histogram[i]);
+ shared->tmp.histogram[i] += READ_ONCE(p->histogram[i]);
}
}
}
diff --git a/drivers/md/dm-switch.c b/drivers/md/dm-switch.c
index 4c8de1ff78ca..8d0ba879777e 100644
--- a/drivers/md/dm-switch.c
+++ b/drivers/md/dm-switch.c
@@ -144,7 +144,7 @@ static unsigned switch_region_table_read(struct switch_ctx *sctx, unsigned long
switch_get_position(sctx, region_nr, &region_index, &bit);
- return (ACCESS_ONCE(sctx->region_table[region_index]) >> bit) &
+ return (READ_ONCE(sctx->region_table[region_index]) >> bit) &
((1 << sctx->region_table_entry_bits) - 1);
}
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 1e25705209c2..89e5dff9b4cf 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -2431,7 +2431,7 @@ static void set_pool_mode(struct pool *pool, enum pool_mode new_mode)
struct pool_c *pt = pool->ti->private;
bool needs_check = dm_pool_metadata_needs_check(pool->pmd);
enum pool_mode old_mode = get_pool_mode(pool);
- unsigned long no_space_timeout = ACCESS_ONCE(no_space_timeout_secs) * HZ;
+ unsigned long no_space_timeout = READ_ONCE(no_space_timeout_secs) * HZ;
/*
* Never allow the pool to transition to PM_WRITE mode if user
diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c
index bda3caca23ca..fba93237a780 100644
--- a/drivers/md/dm-verity-target.c
+++ b/drivers/md/dm-verity-target.c
@@ -589,7 +589,7 @@ static void verity_prefetch_io(struct work_struct *work)
verity_hash_at_level(v, pw->block, i, &hash_block_start, NULL);
verity_hash_at_level(v, pw->block + pw->n_blocks - 1, i, &hash_block_end, NULL);
if (!i) {
- unsigned cluster = ACCESS_ONCE(dm_verity_prefetch_cluster);
+ unsigned cluster = READ_ONCE(dm_verity_prefetch_cluster);
cluster >>= v->data_dev_block_bits;
if (unlikely(!cluster))
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 4be85324f44d..8aaffa19b29a 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -114,7 +114,7 @@ static unsigned reserved_bio_based_ios = RESERVED_BIO_BASED_IOS;
static int __dm_get_module_param_int(int *module_param, int min, int max)
{
- int param = ACCESS_ONCE(*module_param);
+ int param = READ_ONCE(*module_param);
int modified_param = 0;
bool modified = true;
@@ -136,7 +136,7 @@ static int __dm_get_module_param_int(int *module_param, int min, int max)
unsigned __dm_get_module_param(unsigned *module_param,
unsigned def, unsigned max)
{
- unsigned param = ACCESS_ONCE(*module_param);
+ unsigned param = READ_ONCE(*module_param);
unsigned modified_param = 0;
if (!param)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 0ff1bbf6c90e..447ddcbc9566 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2651,7 +2651,7 @@ state_show(struct md_rdev *rdev, char *page)
{
char *sep = ",";
size_t len = 0;
- unsigned long flags = ACCESS_ONCE(rdev->flags);
+ unsigned long flags = READ_ONCE(rdev->flags);
if (test_bit(Faulty, &flags) ||
(!test_bit(ExternalBbl, &flags) &&
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 928e24a07133..7d9a50eed9db 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -6072,7 +6072,7 @@ static inline sector_t raid5_sync_request(struct mddev *mddev, sector_t sector_n
*/
rcu_read_lock();
for (i = 0; i < conf->raid_disks; i++) {
- struct md_rdev *rdev = ACCESS_ONCE(conf->disks[i].rdev);
+ struct md_rdev *rdev = READ_ONCE(conf->disks[i].rdev);
if (rdev == NULL || test_bit(Faulty, &rdev->flags))
still_degraded = 1;