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-rw-r--r--include/linux/blkdev.h41
1 files changed, 29 insertions, 12 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 84b13fdd34a7..891f8cbcd043 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -311,6 +311,13 @@ struct queue_limits {
unsigned char discard_misaligned;
unsigned char raid_partial_stripes_expensive;
enum blk_zoned_model zoned;
+
+ /*
+ * Drivers that set dma_alignment to less than 511 must be prepared to
+ * handle individual bvec's that are not a multiple of a SECTOR_SIZE
+ * due to possible offsets.
+ */
+ unsigned int dma_alignment;
};
typedef int (*report_zones_cb)(struct blk_zone *zone, unsigned int idx,
@@ -456,12 +463,6 @@ struct request_queue {
unsigned long nr_requests; /* Max # of requests */
unsigned int dma_pad_mask;
- /*
- * Drivers that set dma_alignment to less than 511 must be prepared to
- * handle individual bvec's that are not a multiple of a SECTOR_SIZE
- * due to possible offsets.
- */
- unsigned int dma_alignment;
#ifdef CONFIG_BLK_INLINE_ENCRYPTION
struct blk_crypto_profile *crypto_profile;
@@ -580,9 +581,9 @@ struct request_queue {
#define QUEUE_FLAG_NOWAIT 29 /* device supports NOWAIT */
#define QUEUE_FLAG_SQ_SCHED 30 /* single queue style io dispatch */
-#define QUEUE_FLAG_MQ_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \
- (1 << QUEUE_FLAG_SAME_COMP) | \
- (1 << QUEUE_FLAG_NOWAIT))
+#define QUEUE_FLAG_MQ_DEFAULT ((1UL << QUEUE_FLAG_IO_STAT) | \
+ (1UL << QUEUE_FLAG_SAME_COMP) | \
+ (1UL << QUEUE_FLAG_NOWAIT))
void blk_queue_flag_set(unsigned int flag, struct request_queue *q);
void blk_queue_flag_clear(unsigned int flag, struct request_queue *q);
@@ -618,7 +619,6 @@ bool blk_queue_flag_test_and_set(unsigned int flag, struct request_queue *q);
#define blk_queue_quiesced(q) test_bit(QUEUE_FLAG_QUIESCED, &(q)->queue_flags)
#define blk_queue_pm_only(q) atomic_read(&(q)->pm_only)
#define blk_queue_registered(q) test_bit(QUEUE_FLAG_REGISTERED, &(q)->queue_flags)
-#define blk_queue_nowait(q) test_bit(QUEUE_FLAG_NOWAIT, &(q)->queue_flags)
#define blk_queue_sq_sched(q) test_bit(QUEUE_FLAG_SQ_SCHED, &(q)->queue_flags)
extern void blk_set_pm_only(struct request_queue *q);
@@ -945,7 +945,6 @@ extern void blk_queue_io_min(struct request_queue *q, unsigned int min);
extern void blk_limits_io_opt(struct queue_limits *limits, unsigned int opt);
extern void blk_queue_io_opt(struct request_queue *q, unsigned int opt);
extern void blk_set_queue_depth(struct request_queue *q, unsigned int depth);
-extern void blk_set_default_limits(struct queue_limits *lim);
extern void blk_set_stacking_limits(struct queue_limits *lim);
extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
sector_t offset);
@@ -1280,6 +1279,11 @@ static inline bool bdev_fua(struct block_device *bdev)
return test_bit(QUEUE_FLAG_FUA, &bdev_get_queue(bdev)->queue_flags);
}
+static inline bool bdev_nowait(struct block_device *bdev)
+{
+ return test_bit(QUEUE_FLAG_NOWAIT, &bdev_get_queue(bdev)->queue_flags);
+}
+
static inline enum blk_zoned_model bdev_zoned_model(struct block_device *bdev)
{
struct request_queue *q = bdev_get_queue(bdev);
@@ -1300,6 +1304,15 @@ static inline bool bdev_is_zoned(struct block_device *bdev)
return false;
}
+static inline bool bdev_op_is_zoned_write(struct block_device *bdev,
+ blk_opf_t op)
+{
+ if (!bdev_is_zoned(bdev))
+ return false;
+
+ return op == REQ_OP_WRITE || op == REQ_OP_WRITE_ZEROES;
+}
+
static inline sector_t bdev_zone_sectors(struct block_device *bdev)
{
struct request_queue *q = bdev_get_queue(bdev);
@@ -1311,7 +1324,7 @@ static inline sector_t bdev_zone_sectors(struct block_device *bdev)
static inline int queue_dma_alignment(const struct request_queue *q)
{
- return q ? q->dma_alignment : 511;
+ return q ? q->limits.dma_alignment : 511;
}
static inline unsigned int bdev_dma_alignment(struct block_device *bdev)
@@ -1498,6 +1511,7 @@ int sync_blockdev(struct block_device *bdev);
int sync_blockdev_range(struct block_device *bdev, loff_t lstart, loff_t lend);
int sync_blockdev_nowait(struct block_device *bdev);
void sync_bdevs(bool wait);
+void bdev_statx_dioalign(struct inode *inode, struct kstat *stat);
void printk_all_partitions(void);
#else
static inline void invalidate_bdev(struct block_device *bdev)
@@ -1514,6 +1528,9 @@ static inline int sync_blockdev_nowait(struct block_device *bdev)
static inline void sync_bdevs(bool wait)
{
}
+static inline void bdev_statx_dioalign(struct inode *inode, struct kstat *stat)
+{
+}
static inline void printk_all_partitions(void)
{
}