block: Consolidate phys_segment and hw_segment limits

[mirror_ubuntu-artful-kernel.git] / include / linux / blkdev.h

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 57bc48446e924df5f2a7dd027be6187768805ffd..ebd22dbed861da16481a1f4995dd9460f71caca4 100644 (file)
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -316,8 +316,7 @@ struct queue_limits {
        unsigned int            discard_alignment;
 
        unsigned short          logical_block_size;
-       unsigned short          max_hw_segments;
-       unsigned short          max_phys_segments;
+       unsigned short          max_segments;
 
        unsigned char           misaligned;
        unsigned char           discard_misaligned;
@@ -929,8 +928,19 @@ static inline void blk_queue_max_sectors(struct request_queue *q, unsigned int m
        blk_queue_max_hw_sectors(q, max);
 }
 
-extern void blk_queue_max_phys_segments(struct request_queue *, unsigned short);
-extern void blk_queue_max_hw_segments(struct request_queue *, unsigned short);
+extern void blk_queue_max_segments(struct request_queue *, unsigned short);
+
+static inline void blk_queue_max_phys_segments(struct request_queue *q, unsigned short max)
+{
+       blk_queue_max_segments(q, max);
+}
+
+static inline void blk_queue_max_hw_segments(struct request_queue *q, unsigned short max)
+{
+       blk_queue_max_segments(q, max);
+}
+
+
 extern void blk_queue_max_segment_size(struct request_queue *, unsigned int);
 extern void blk_queue_max_discard_sectors(struct request_queue *q,
                unsigned int max_discard_sectors);
@@ -1055,14 +1065,9 @@ static inline unsigned int queue_max_hw_sectors(struct request_queue *q)
        return q->limits.max_hw_sectors;
 }
 
-static inline unsigned short queue_max_hw_segments(struct request_queue *q)
-{
-       return q->limits.max_hw_segments;
-}
-
-static inline unsigned short queue_max_phys_segments(struct request_queue *q)
+static inline unsigned short queue_max_segments(struct request_queue *q)
 {
-       return q->limits.max_phys_segments;
+       return q->limits.max_segments;
 }
 
 static inline unsigned int queue_max_segment_size(struct request_queue *q)