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Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r--include/linux/blkdev.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index a51f92b6c340..95886b404b16 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -116,10 +116,11 @@ enum blk_integrity_checksum {
struct blk_integrity {
unsigned char flags;
enum blk_integrity_checksum csum_type;
- unsigned char tuple_size;
+ unsigned char metadata_size;
unsigned char pi_offset;
unsigned char interval_exp;
unsigned char tag_size;
+ unsigned char pi_tuple_size;
};
typedef unsigned int __bitwise blk_mode_t;
@@ -269,11 +270,16 @@ static inline dev_t disk_devt(struct gendisk *disk)
return MKDEV(disk->major, disk->first_minor);
}
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
/*
* We should strive for 1 << (PAGE_SHIFT + MAX_PAGECACHE_ORDER)
* however we constrain this to what we can validate and test.
*/
#define BLK_MAX_BLOCK_SIZE SZ_64K
+#else
+#define BLK_MAX_BLOCK_SIZE PAGE_SIZE
+#endif
+
/* blk_validate_limits() validates bsize, so drivers don't usually need to */
static inline int blk_validate_block_size(unsigned long bsize)
@@ -383,6 +389,9 @@ struct queue_limits {
unsigned int max_user_discard_sectors;
unsigned int max_secure_erase_sectors;
unsigned int max_write_zeroes_sectors;
+ unsigned int max_wzeroes_unmap_sectors;
+ unsigned int max_hw_wzeroes_unmap_sectors;
+ unsigned int max_user_wzeroes_unmap_sectors;
unsigned int max_hw_zone_append_sectors;
unsigned int max_zone_append_sectors;
unsigned int discard_granularity;
@@ -1097,6 +1106,7 @@ static inline void blk_queue_disable_secure_erase(struct request_queue *q)
static inline void blk_queue_disable_write_zeroes(struct request_queue *q)
{
q->limits.max_write_zeroes_sectors = 0;
+ q->limits.max_wzeroes_unmap_sectors = 0;
}
/*
@@ -1424,6 +1434,12 @@ static inline unsigned int bdev_write_zeroes_sectors(struct block_device *bdev)
return bdev_limits(bdev)->max_write_zeroes_sectors;
}
+static inline unsigned int
+bdev_write_zeroes_unmap_sectors(struct block_device *bdev)
+{
+ return bdev_limits(bdev)->max_wzeroes_unmap_sectors;
+}
+
static inline bool bdev_nonrot(struct block_device *bdev)
{
return blk_queue_nonrot(bdev_get_queue(bdev));