Update to 3.4-final.

[linux-flexiantxendom0-3.2.10.git] / include / linux / blkdev.h

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 606cf33..fbb94f4 100644 (file)
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1,9 +1,10 @@
 #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>
@@ -426,14 +427,10 @@ struct request_queue {
                                 (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,
@@ -445,7 +442,7 @@ 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);
@@ -458,7 +455,7 @@ static inline int queue_flag_test_and_clear(unsigned int flag,
 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);
@@ -470,7 +467,7 @@ static inline int queue_flag_test_and_set(unsigned int flag,
 
 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);
 }
 
@@ -487,7 +484,7 @@ static inline int queue_in_flight(struct request_queue *q)
 
 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);
 }
 
@@ -979,7 +976,11 @@ extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm);
 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,
 };