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Diffstat (limited to 'block/blk-settings.c')
-rw-r--r--block/blk-settings.c25
1 files changed, 2 insertions, 23 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c
index 701859fb9647..e55f5fc4ca22 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -126,7 +126,7 @@ void blk_set_default_limits(struct queue_limits *lim)
lim->alignment_offset = 0;
lim->io_opt = 0;
lim->misaligned = 0;
- lim->no_cluster = 0;
+ lim->cluster = 1;
}
EXPORT_SYMBOL(blk_set_default_limits);
@@ -464,15 +464,6 @@ EXPORT_SYMBOL(blk_queue_io_opt);
void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b)
{
blk_stack_limits(&t->limits, &b->limits, 0);
-
- if (!t->queue_lock)
- WARN_ON_ONCE(1);
- else if (!test_bit(QUEUE_FLAG_CLUSTER, &b->queue_flags)) {
- unsigned long flags;
- spin_lock_irqsave(t->queue_lock, flags);
- queue_flag_clear(QUEUE_FLAG_CLUSTER, t);
- spin_unlock_irqrestore(t->queue_lock, flags);
- }
}
EXPORT_SYMBOL(blk_queue_stack_limits);
@@ -545,7 +536,7 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
t->io_min = max(t->io_min, b->io_min);
t->io_opt = lcm(t->io_opt, b->io_opt);
- t->no_cluster |= b->no_cluster;
+ t->cluster &= b->cluster;
t->discard_zeroes_data &= b->discard_zeroes_data;
/* Physical block size a multiple of the logical block size? */
@@ -641,7 +632,6 @@ void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
sector_t offset)
{
struct request_queue *t = disk->queue;
- struct request_queue *b = bdev_get_queue(bdev);
if (bdev_stack_limits(&t->limits, bdev, offset >> 9) < 0) {
char top[BDEVNAME_SIZE], bottom[BDEVNAME_SIZE];
@@ -652,17 +642,6 @@ void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
printk(KERN_NOTICE "%s: Warning: Device %s is misaligned\n",
top, bottom);
}
-
- if (!t->queue_lock)
- WARN_ON_ONCE(1);
- else if (!test_bit(QUEUE_FLAG_CLUSTER, &b->queue_flags)) {
- unsigned long flags;
-
- spin_lock_irqsave(t->queue_lock, flags);
- if (!test_bit(QUEUE_FLAG_CLUSTER, &b->queue_flags))
- queue_flag_clear(QUEUE_FLAG_CLUSTER, t);
- spin_unlock_irqrestore(t->queue_lock, flags);
- }
}
EXPORT_SYMBOL(disk_stack_limits);