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dm table: remove needless request_queue NULL pointer checks

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Since commit ff9ea32381 ("block, bdi: an active gendisk always has a
request_queue associated with it") the request_queue pointer returned
from bdev_get_queue() shall never be NULL.

Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Jeffle Xu 2021-02-08 11:57:05 -05:00 committed by Mike Snitzer
parent 24f6b6036c
commit cccb493cda
1 changed files with 11 additions and 11 deletions
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22
drivers/md/dm-table.c
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@ -1377,7 +1377,7 @@ static int device_not_zoned_model(struct dm_target *ti, struct dm_dev *dev,
struct request_queue *q = bdev_get_queue(dev->bdev);
enum blk_zoned_model *zoned_model = data;
return !q || blk_queue_zoned_model(q) != *zoned_model;
return blk_queue_zoned_model(q) != *zoned_model;
}
static bool dm_table_supports_zoned_model(struct dm_table *t,
@ -1407,7 +1407,7 @@ static int device_not_matches_zone_sectors(struct dm_target *ti, struct dm_dev *
struct request_queue *q = bdev_get_queue(dev->bdev);
unsigned int *zone_sectors = data;
return !q || blk_queue_zone_sectors(q) != *zone_sectors;
return blk_queue_zone_sectors(q) != *zone_sectors;
}
static int validate_hardware_zoned_model(struct dm_table *table,
@ -1556,7 +1556,7 @@ static int device_flush_capable(struct dm_target *ti, struct dm_dev *dev,
unsigned long flush = (unsigned long) data;
struct request_queue *q = bdev_get_queue(dev->bdev);
return q && (q->queue_flags & flush);
return (q->queue_flags & flush);
}
static bool dm_table_supports_flush(struct dm_table *t, unsigned long flush)
@ -1606,7 +1606,7 @@ static int device_is_rotational(struct dm_target *ti, struct dm_dev *dev,
{
struct request_queue *q = bdev_get_queue(dev->bdev);
return q && !blk_queue_nonrot(q);
return !blk_queue_nonrot(q);
}
static int device_is_not_random(struct dm_target *ti, struct dm_dev *dev,
@ -1614,7 +1614,7 @@ static int device_is_not_random(struct dm_target *ti, struct dm_dev *dev,
{
struct request_queue *q = bdev_get_queue(dev->bdev);
return q && !blk_queue_add_random(q);
return !blk_queue_add_random(q);
}
static int device_not_write_same_capable(struct dm_target *ti, struct dm_dev *dev,
@ -1622,7 +1622,7 @@ static int device_not_write_same_capable(struct dm_target *ti, struct dm_dev *de
{
struct request_queue *q = bdev_get_queue(dev->bdev);
return q && !q->limits.max_write_same_sectors;
return !q->limits.max_write_same_sectors;
}
static bool dm_table_supports_write_same(struct dm_table *t)
@ -1649,7 +1649,7 @@ static int device_not_write_zeroes_capable(struct dm_target *ti, struct dm_dev *
{
struct request_queue *q = bdev_get_queue(dev->bdev);
return q && !q->limits.max_write_zeroes_sectors;
return !q->limits.max_write_zeroes_sectors;
}
static bool dm_table_supports_write_zeroes(struct dm_table *t)
@ -1676,7 +1676,7 @@ static int device_not_nowait_capable(struct dm_target *ti, struct dm_dev *dev,
{
struct request_queue *q = bdev_get_queue(dev->bdev);
return q && !blk_queue_nowait(q);
return !blk_queue_nowait(q);
}
static bool dm_table_supports_nowait(struct dm_table *t)
@ -1703,7 +1703,7 @@ static int device_not_discard_capable(struct dm_target *ti, struct dm_dev *dev,
{
struct request_queue *q = bdev_get_queue(dev->bdev);
return q && !blk_queue_discard(q);
return !blk_queue_discard(q);
}
static bool dm_table_supports_discards(struct dm_table *t)
@ -1737,7 +1737,7 @@ static int device_not_secure_erase_capable(struct dm_target *ti,
{
struct request_queue *q = bdev_get_queue(dev->bdev);
return q && !blk_queue_secure_erase(q);
return !blk_queue_secure_erase(q);
}
static bool dm_table_supports_secure_erase(struct dm_table *t)
@ -1765,7 +1765,7 @@ static int device_requires_stable_pages(struct dm_target *ti,
{
struct request_queue *q = bdev_get_queue(dev->bdev);
return q && blk_queue_stable_writes(q);
return blk_queue_stable_writes(q);
}
void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,