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Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r--include/linux/blkdev.h33
1 files changed, 5 insertions, 28 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c9cb12483e12..12b9dbcc980e 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -17,7 +17,6 @@
#include <linux/bio.h>
#include <linux/stringify.h>
#include <linux/gfp.h>
-#include <linux/bsg.h>
#include <linux/smp.h>
#include <linux/rcupdate.h>
#include <linux/percpu-refcount.h>
@@ -27,14 +26,11 @@
#include <linux/sbitmap.h>
struct module;
-struct scsi_ioctl_command;
-
struct request_queue;
struct elevator_queue;
struct blk_trace;
struct request;
struct sg_io_hdr;
-struct bsg_job;
struct blkcg_gq;
struct blk_flush_queue;
struct pr_ops;
@@ -274,9 +270,6 @@ enum blk_queue_state {
#define BLK_TAG_ALLOC_FIFO 0 /* allocate starting from 0 */
#define BLK_TAG_ALLOC_RR 1 /* allocate starting from last allocated tag */
-#define BLK_SCSI_MAX_CMDS (256)
-#define BLK_SCSI_CMD_PER_LONG (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8))
-
/*
* Zoned block device models (zoned limit).
*
@@ -505,11 +498,6 @@ struct request_queue {
unsigned int max_active_zones;
#endif /* CONFIG_BLK_DEV_ZONED */
- /*
- * sg stuff
- */
- unsigned int sg_timeout;
- unsigned int sg_reserved_size;
int node;
struct mutex debugfs_mutex;
#ifdef CONFIG_BLK_DEV_IO_TRACE
@@ -536,10 +524,6 @@ struct request_queue {
int mq_freeze_depth;
-#if defined(CONFIG_BLK_DEV_BSG)
- struct bsg_class_device bsg_dev;
-#endif
-
#ifdef CONFIG_BLK_DEV_THROTTLING
/* Throttle data */
struct throtl_data *td;
@@ -885,16 +869,6 @@ extern blk_status_t blk_insert_cloned_request(struct request_queue *q,
struct request *rq);
int blk_rq_append_bio(struct request *rq, struct bio *bio);
extern void blk_queue_split(struct bio **);
-extern int scsi_verify_blk_ioctl(struct block_device *, unsigned int);
-extern int scsi_cmd_blk_ioctl(struct block_device *, fmode_t,
- unsigned int, void __user *);
-extern int scsi_cmd_ioctl(struct request_queue *, struct gendisk *, fmode_t,
- unsigned int, void __user *);
-extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t,
- struct scsi_ioctl_command __user *);
-extern int get_sg_io_hdr(struct sg_io_hdr *hdr, const void __user *argp);
-extern int put_sg_io_hdr(const struct sg_io_hdr *hdr, void __user *argp);
-
extern int blk_queue_enter(struct request_queue *q, blk_mq_req_flags_t flags);
extern void blk_queue_exit(struct request_queue *q);
extern void blk_sync_queue(struct request_queue *q);
@@ -1347,8 +1321,6 @@ static inline int sb_issue_zeroout(struct super_block *sb, sector_t block,
gfp_mask, 0);
}
-extern int blk_verify_command(unsigned char *cmd, fmode_t mode);
-
static inline bool bdev_is_partition(struct block_device *bdev)
{
return bdev->bd_partno;
@@ -1377,6 +1349,11 @@ static inline unsigned int queue_max_sectors(const struct request_queue *q)
return q->limits.max_sectors;
}
+static inline unsigned int queue_max_bytes(struct request_queue *q)
+{
+ return min_t(unsigned int, queue_max_sectors(q), INT_MAX >> 9) << 9;
+}
+
static inline unsigned int queue_max_hw_sectors(const struct request_queue *q)
{
return q->limits.max_hw_sectors;