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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>
This commit is contained in:
Mikulas Patocka 2019-10-15 08:16:51 -04:00 committed by Mike Snitzer
parent 8e0c9dacc3
commit 235bc86160
2 changed files with 20 additions and 33 deletions
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27
drivers/md/dm-bio-prison-v1.c
View File

@ -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;
}

26
drivers/md/dm-bio-prison-v2.c
View File

@ -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;
}