From 235bc8616060514ce57053e51d0a81f7fab96f01 Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Tue, 15 Oct 2019 08:16:51 -0400 Subject: [PATCH] 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 Signed-off-by: Mike Snitzer --- drivers/md/dm-bio-prison-v1.c | 27 ++++++++++----------------- drivers/md/dm-bio-prison-v2.c | 26 ++++++++++---------------- 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; }