#ifndef _LINUX_BLKDEV_H
#define _LINUX_BLKDEV_H
+#include <linux/sched.h>
+
#ifdef CONFIG_BLOCK
-#include <linux/sched.h>
#include <linux/major.h>
#include <linux/genhd.h>
#include <linux/list.h>
/* Throttle data */
struct throtl_data *td;
#endif
-#ifdef CONFIG_LOCKDEP
- int ioc_release_depth;
-#endif
};
#define QUEUE_FLAG_QUEUED 1 /* uses generic tag queueing */
(1 << QUEUE_FLAG_SAME_COMP) | \
(1 << QUEUE_FLAG_ADD_RANDOM))
-static inline int queue_is_locked(struct request_queue *q)
+static inline void queue_lockdep_assert_held(struct request_queue *q)
{
-#ifdef CONFIG_SMP
- spinlock_t *lock = q->queue_lock;
- return lock && spin_is_locked(lock);
-#else
- return 1;
-#endif
+ if (q->queue_lock)
+ lockdep_assert_held(q->queue_lock);
}
static inline void queue_flag_set_unlocked(unsigned int flag,
static inline int queue_flag_test_and_clear(unsigned int flag,
struct request_queue *q)
{
- WARN_ON_ONCE(!queue_is_locked(q));
+ queue_lockdep_assert_held(q);
if (test_bit(flag, &q->queue_flags)) {
__clear_bit(flag, &q->queue_flags);
static inline int queue_flag_test_and_set(unsigned int flag,
struct request_queue *q)
{
- WARN_ON_ONCE(!queue_is_locked(q));
+ queue_lockdep_assert_held(q);
if (!test_bit(flag, &q->queue_flags)) {
__set_bit(flag, &q->queue_flags);
static inline void queue_flag_set(unsigned int flag, struct request_queue *q)
{
- WARN_ON_ONCE(!queue_is_locked(q));
+ queue_lockdep_assert_held(q);
__set_bit(flag, &q->queue_flags);
}
static inline void queue_flag_clear(unsigned int flag, struct request_queue *q)
{
- WARN_ON_ONCE(!queue_is_locked(q));
+ queue_lockdep_assert_held(q);
__clear_bit(flag, &q->queue_flags);
}
struct request *rq);
extern void blk_delay_queue(struct request_queue *, unsigned long);
extern void blk_recount_segments(struct request_queue *, 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,
*/
extern struct request_queue *blk_init_queue_node(request_fn_proc *rfn,
spinlock_t *lock, int node_id);
-extern struct request_queue *blk_init_allocated_queue_node(struct request_queue *,
- request_fn_proc *,
- spinlock_t *, int node_id);
extern struct request_queue *blk_init_queue(request_fn_proc *, spinlock_t *);
extern struct request_queue *blk_init_allocated_queue(struct request_queue *,
request_fn_proc *, spinlock_t *);
enum blk_default_limits {
BLK_MAX_SEGMENTS = 128,
BLK_SAFE_MAX_SECTORS = 255,
+#ifndef CONFIG_KERNEL_DESKTOP
+ BLK_DEF_MAX_SECTORS = 2048,
+#else
BLK_DEF_MAX_SECTORS = 1024,
+#endif
BLK_MAX_SEGMENT_SIZE = 65536,
BLK_SEG_BOUNDARY_MASK = 0xFFFFFFFFUL,
};