summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMikulas Patocka <mpatocka@redhat.com>2019-10-15 14:16:51 +0200
committerMike Snitzer <snitzer@redhat.com>2019-11-05 20:53:03 +0100
commit235bc8616060514ce57053e51d0a81f7fab96f01 (patch)
tree0571ca42534ef2e917100211ce4912ee4c7efbcc
parentdm thin: replace spin_lock_irqsave with spin_lock_irq (diff)
downloadlinux-235bc8616060514ce57053e51d0a81f7fab96f01.tar.xz
linux-235bc8616060514ce57053e51d0a81f7fab96f01.zip
dm bio prison: replace spin_lock_irqsave with spin_lock_irq
Replace spin_lock_irqsave/irqrestore with spin_lock_irq/spin_unlock_irq. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
-rw-r--r--drivers/md/dm-bio-prison-v1.c27
-rw-r--r--drivers/md/dm-bio-prison-v2.c26
2 files changed, 20 insertions, 33 deletions
diff --git a/drivers/md/dm-bio-prison-v1.c b/drivers/md/dm-bio-prison-v1.c
index b5389890bbc3..1f8f98efd97a 100644
--- a/drivers/md/dm-bio-prison-v1.c
+++ b/drivers/md/dm-bio-prison-v1.c
@@ -150,11 +150,10 @@ static int bio_detain(struct dm_bio_prison *prison,
struct dm_bio_prison_cell **cell_result)
{
int r;
- unsigned long flags;
- spin_lock_irqsave(&prison->lock, flags);
+ spin_lock_irq(&prison->lock);
r = __bio_detain(prison, key, inmate, cell_prealloc, cell_result);
- spin_unlock_irqrestore(&prison->lock, flags);
+ spin_unlock_irq(&prison->lock);
return r;
}
@@ -198,11 +197,9 @@ void dm_cell_release(struct dm_bio_prison *prison,
struct dm_bio_prison_cell *cell,
struct bio_list *bios)
{
- unsigned long flags;
-
- spin_lock_irqsave(&prison->lock, flags);
+ spin_lock_irq(&prison->lock);
__cell_release(prison, cell, bios);
- spin_unlock_irqrestore(&prison->lock, flags);
+ spin_unlock_irq(&prison->lock);
}
EXPORT_SYMBOL_GPL(dm_cell_release);
@@ -250,12 +247,10 @@ void dm_cell_visit_release(struct dm_bio_prison *prison,
void *context,
struct dm_bio_prison_cell *cell)
{
- unsigned long flags;
-
- spin_lock_irqsave(&prison->lock, flags);
+ spin_lock_irq(&prison->lock);
visit_fn(context, cell);
rb_erase(&cell->node, &prison->cells);
- spin_unlock_irqrestore(&prison->lock, flags);
+ spin_unlock_irq(&prison->lock);
}
EXPORT_SYMBOL_GPL(dm_cell_visit_release);
@@ -275,11 +270,10 @@ int dm_cell_promote_or_release(struct dm_bio_prison *prison,
struct dm_bio_prison_cell *cell)
{
int r;
- unsigned long flags;
- spin_lock_irqsave(&prison->lock, flags);
+ spin_lock_irq(&prison->lock);
r = __promote_or_release(prison, cell);
- spin_unlock_irqrestore(&prison->lock, flags);
+ spin_unlock_irq(&prison->lock);
return r;
}
@@ -379,10 +373,9 @@ EXPORT_SYMBOL_GPL(dm_deferred_entry_dec);
int dm_deferred_set_add_work(struct dm_deferred_set *ds, struct list_head *work)
{
int r = 1;
- unsigned long flags;
unsigned next_entry;
- spin_lock_irqsave(&ds->lock, flags);
+ spin_lock_irq(&ds->lock);
if ((ds->sweeper == ds->current_entry) &&
!ds->entries[ds->current_entry].count)
r = 0;
@@ -392,7 +385,7 @@ int dm_deferred_set_add_work(struct dm_deferred_set *ds, struct list_head *work)
if (!ds->entries[next_entry].count)
ds->current_entry = next_entry;
}
- spin_unlock_irqrestore(&ds->lock, flags);
+ spin_unlock_irq(&ds->lock);
return r;
}
diff --git a/drivers/md/dm-bio-prison-v2.c b/drivers/md/dm-bio-prison-v2.c
index b092cdc8e1ae..8ee019eda32d 100644
--- a/drivers/md/dm-bio-prison-v2.c
+++ b/drivers/md/dm-bio-prison-v2.c
@@ -177,11 +177,10 @@ bool dm_cell_get_v2(struct dm_bio_prison_v2 *prison,
struct dm_bio_prison_cell_v2 **cell_result)
{
int r;
- unsigned long flags;
- spin_lock_irqsave(&prison->lock, flags);
+ spin_lock_irq(&prison->lock);
r = __get(prison, key, lock_level, inmate, cell_prealloc, cell_result);
- spin_unlock_irqrestore(&prison->lock, flags);
+ spin_unlock_irq(&prison->lock);
return r;
}
@@ -261,11 +260,10 @@ int dm_cell_lock_v2(struct dm_bio_prison_v2 *prison,
struct dm_bio_prison_cell_v2 **cell_result)
{
int r;
- unsigned long flags;
- spin_lock_irqsave(&prison->lock, flags);
+ spin_lock_irq(&prison->lock);
r = __lock(prison, key, lock_level, cell_prealloc, cell_result);
- spin_unlock_irqrestore(&prison->lock, flags);
+ spin_unlock_irq(&prison->lock);
return r;
}
@@ -285,11 +283,9 @@ void dm_cell_quiesce_v2(struct dm_bio_prison_v2 *prison,
struct dm_bio_prison_cell_v2 *cell,
struct work_struct *continuation)
{
- unsigned long flags;
-
- spin_lock_irqsave(&prison->lock, flags);
+ spin_lock_irq(&prison->lock);
__quiesce(prison, cell, continuation);
- spin_unlock_irqrestore(&prison->lock, flags);
+ spin_unlock_irq(&prison->lock);
}
EXPORT_SYMBOL_GPL(dm_cell_quiesce_v2);
@@ -309,11 +305,10 @@ int dm_cell_lock_promote_v2(struct dm_bio_prison_v2 *prison,
unsigned new_lock_level)
{
int r;
- unsigned long flags;
- spin_lock_irqsave(&prison->lock, flags);
+ spin_lock_irq(&prison->lock);
r = __promote(prison, cell, new_lock_level);
- spin_unlock_irqrestore(&prison->lock, flags);
+ spin_unlock_irq(&prison->lock);
return r;
}
@@ -342,11 +337,10 @@ bool dm_cell_unlock_v2(struct dm_bio_prison_v2 *prison,
struct bio_list *bios)
{
bool r;
- unsigned long flags;
- spin_lock_irqsave(&prison->lock, flags);
+ spin_lock_irq(&prison->lock);
r = __unlock(prison, cell, bios);
- spin_unlock_irqrestore(&prison->lock, flags);
+ spin_unlock_irq(&prison->lock);
return r;
}