Merge branch 'upstream-davem' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...

[linux-2.6-omap-h63xx.git] / include / linux / blkdev.h

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index ff9d0bdf2a1613b10f45383e2879c9fecbd7929d..88d68081a0f159a8fe19bfea00cb95aca161715d 100644 (file)
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -428,6 +428,32 @@ static inline void queue_flag_set_unlocked(unsigned int flag,
        __set_bit(flag, &q->queue_flags);
 }
 
+static inline int queue_flag_test_and_clear(unsigned int flag,
+                                           struct request_queue *q)
+{
+       WARN_ON_ONCE(!queue_is_locked(q));
+
+       if (test_bit(flag, &q->queue_flags)) {
+               __clear_bit(flag, &q->queue_flags);
+               return 1;
+       }
+
+       return 0;
+}
+
+static inline int queue_flag_test_and_set(unsigned int flag,
+                                         struct request_queue *q)
+{
+       WARN_ON_ONCE(!queue_is_locked(q));
+
+       if (!test_bit(flag, &q->queue_flags)) {
+               __set_bit(flag, &q->queue_flags);
+               return 0;
+       }
+
+       return 1;
+}
+
 static inline void queue_flag_set(unsigned int flag, struct request_queue *q)
 {
        WARN_ON_ONCE(!queue_is_locked(q));
@@ -625,7 +651,6 @@ extern void generic_make_request(struct bio *bio);
 extern void blk_rq_init(struct request_queue *q, struct request *rq);
 extern void blk_put_request(struct request *);
 extern void __blk_put_request(struct request_queue *, struct request *);
-extern void blk_end_sync_rq(struct request *rq, int error);
 extern struct request *blk_get_request(struct request_queue *, int, gfp_t);
 extern void blk_insert_request(struct request_queue *, struct request *, int, void *);
 extern void blk_requeue_request(struct request_queue *, struct request *);
@@ -750,6 +775,7 @@ extern void blk_queue_max_segment_size(struct request_queue *, unsigned int);
 extern void blk_queue_hardsect_size(struct request_queue *, unsigned short);
 extern void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b);
 extern void blk_queue_dma_pad(struct request_queue *, unsigned int);
+extern void blk_queue_update_dma_pad(struct request_queue *, unsigned int);
 extern int blk_queue_dma_drain(struct request_queue *q,
                               dma_drain_needed_fn *dma_drain_needed,
                               void *buf, unsigned int size);
@@ -959,6 +985,9 @@ static inline int bdev_integrity_enabled(struct block_device *bdev, int rw)
 
 static inline int blk_integrity_rq(struct request *rq)
 {
+       if (rq->bio == NULL)
+               return 0;
+
        return bio_integrity(rq->bio);
 }