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-rw-r--r--block/blk-settings.c107
1 files changed, 24 insertions, 83 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c
index 7019b8e204..5adadce084 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -48,7 +48,7 @@ void blk_set_default_limits(struct queue_limits *lim)
lim->max_discard_sectors = 0;
lim->max_hw_discard_sectors = 0;
lim->max_secure_erase_sectors = 0;
- lim->discard_granularity = 0;
+ lim->discard_granularity = 512;
lim->discard_alignment = 0;
lim->discard_misaligned = 0;
lim->logical_block_size = lim->physical_block_size = lim->io_min = 512;
@@ -56,7 +56,7 @@ void blk_set_default_limits(struct queue_limits *lim)
lim->alignment_offset = 0;
lim->io_opt = 0;
lim->misaligned = 0;
- lim->zoned = BLK_ZONED_NONE;
+ lim->zoned = false;
lim->zone_write_granularity = 0;
lim->dma_alignment = 511;
}
@@ -127,8 +127,7 @@ void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_secto
if ((max_hw_sectors << 9) < PAGE_SIZE) {
max_hw_sectors = 1 << (PAGE_SHIFT - 9);
- printk(KERN_INFO "%s: set to minimum %d\n",
- __func__, max_hw_sectors);
+ pr_info("%s: set to minimum %u\n", __func__, max_hw_sectors);
}
max_hw_sectors = round_down(max_hw_sectors,
@@ -140,7 +139,7 @@ void blk_queue_max_hw_sectors(struct request_queue *q, unsigned int max_hw_secto
if (limits->max_user_sectors)
max_sectors = min(max_sectors, limits->max_user_sectors);
else
- max_sectors = min(max_sectors, BLK_DEF_MAX_SECTORS);
+ max_sectors = min(max_sectors, BLK_DEF_MAX_SECTORS_CAP);
max_sectors = round_down(max_sectors,
limits->logical_block_size >> SECTOR_SHIFT);
@@ -248,8 +247,7 @@ void blk_queue_max_segments(struct request_queue *q, unsigned short max_segments
{
if (!max_segments) {
max_segments = 1;
- printk(KERN_INFO "%s: set to minimum %d\n",
- __func__, max_segments);
+ pr_info("%s: set to minimum %u\n", __func__, max_segments);
}
q->limits.max_segments = max_segments;
@@ -285,8 +283,7 @@ void blk_queue_max_segment_size(struct request_queue *q, unsigned int max_size)
{
if (max_size < PAGE_SIZE) {
max_size = PAGE_SIZE;
- printk(KERN_INFO "%s: set to minimum %d\n",
- __func__, max_size);
+ pr_info("%s: set to minimum %u\n", __func__, max_size);
}
/* see blk_queue_virt_boundary() for the explanation */
@@ -312,6 +309,9 @@ void blk_queue_logical_block_size(struct request_queue *q, unsigned int size)
limits->logical_block_size = size;
+ if (limits->discard_granularity < limits->logical_block_size)
+ limits->discard_granularity = limits->logical_block_size;
+
if (limits->physical_block_size < size)
limits->physical_block_size = size;
@@ -342,6 +342,9 @@ void blk_queue_physical_block_size(struct request_queue *q, unsigned int size)
if (q->limits.physical_block_size < q->limits.logical_block_size)
q->limits.physical_block_size = q->limits.logical_block_size;
+ if (q->limits.discard_granularity < q->limits.physical_block_size)
+ q->limits.discard_granularity = q->limits.physical_block_size;
+
if (q->limits.io_min < q->limits.physical_block_size)
q->limits.io_min = q->limits.physical_block_size;
}
@@ -744,8 +747,7 @@ void blk_queue_segment_boundary(struct request_queue *q, unsigned long mask)
{
if (mask < PAGE_SIZE - 1) {
mask = PAGE_SIZE - 1;
- printk(KERN_INFO "%s: set to minimum %lx\n",
- __func__, mask);
+ pr_info("%s: set to minimum %lx\n", __func__, mask);
}
q->limits.seg_boundary_mask = mask;
@@ -845,8 +847,6 @@ void blk_queue_write_cache(struct request_queue *q, bool wc, bool fua)
blk_queue_flag_set(QUEUE_FLAG_FUA, q);
else
blk_queue_flag_clear(QUEUE_FLAG_FUA, q);
-
- wbt_set_write_cache(q, test_bit(QUEUE_FLAG_WC, &q->queue_flags));
}
EXPORT_SYMBOL_GPL(blk_queue_write_cache);
@@ -888,81 +888,22 @@ bool blk_queue_can_use_dma_map_merging(struct request_queue *q,
}
EXPORT_SYMBOL_GPL(blk_queue_can_use_dma_map_merging);
-static bool disk_has_partitions(struct gendisk *disk)
-{
- unsigned long idx;
- struct block_device *part;
- bool ret = false;
-
- rcu_read_lock();
- xa_for_each(&disk->part_tbl, idx, part) {
- if (bdev_is_partition(part)) {
- ret = true;
- break;
- }
- }
- rcu_read_unlock();
-
- return ret;
-}
-
/**
- * disk_set_zoned - configure the zoned model for a disk
- * @disk: the gendisk of the queue to configure
- * @model: the zoned model to set
- *
- * Set the zoned model of @disk to @model.
- *
- * When @model is BLK_ZONED_HM (host managed), this should be called only
- * if zoned block device support is enabled (CONFIG_BLK_DEV_ZONED option).
- * If @model specifies BLK_ZONED_HA (host aware), the effective model used
- * depends on CONFIG_BLK_DEV_ZONED settings and on the existence of partitions
- * on the disk.
+ * disk_set_zoned - inidicate a zoned device
+ * @disk: gendisk to configure
*/
-void disk_set_zoned(struct gendisk *disk, enum blk_zoned_model model)
+void disk_set_zoned(struct gendisk *disk)
{
struct request_queue *q = disk->queue;
- unsigned int old_model = q->limits.zoned;
-
- switch (model) {
- case BLK_ZONED_HM:
- /*
- * Host managed devices are supported only if
- * CONFIG_BLK_DEV_ZONED is enabled.
- */
- WARN_ON_ONCE(!IS_ENABLED(CONFIG_BLK_DEV_ZONED));
- break;
- case BLK_ZONED_HA:
- /*
- * Host aware devices can be treated either as regular block
- * devices (similar to drive managed devices) or as zoned block
- * devices to take advantage of the zone command set, similarly
- * to host managed devices. We try the latter if there are no
- * partitions and zoned block device support is enabled, else
- * we do nothing special as far as the block layer is concerned.
- */
- if (!IS_ENABLED(CONFIG_BLK_DEV_ZONED) ||
- disk_has_partitions(disk))
- model = BLK_ZONED_NONE;
- break;
- case BLK_ZONED_NONE:
- default:
- if (WARN_ON_ONCE(model != BLK_ZONED_NONE))
- model = BLK_ZONED_NONE;
- break;
- }
- q->limits.zoned = model;
- if (model != BLK_ZONED_NONE) {
- /*
- * Set the zone write granularity to the device logical block
- * size by default. The driver can change this value if needed.
- */
- blk_queue_zone_write_granularity(q,
- queue_logical_block_size(q));
- } else if (old_model != BLK_ZONED_NONE) {
- disk_clear_zone_settings(disk);
- }
+ WARN_ON_ONCE(!IS_ENABLED(CONFIG_BLK_DEV_ZONED));
+
+ /*
+ * Set the zone write granularity to the device logical block
+ * size by default. The driver can change this value if needed.
+ */
+ q->limits.zoned = true;
+ blk_queue_zone_write_granularity(q, queue_logical_block_size(q));
}
EXPORT_SYMBOL_GPL(disk_set_zoned);