block: Add BLK_ prefix to definitions

Add a BLK_ prefix to block layer constants.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

3 files changed, 11 insertions, 7 deletions

diff --git a/block/blk-settings.c b/block/blk-settings.c
index 4db46f2fcbe5..3c53b0beb8dd 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -94,7 +94,7 @@ void blk_set_default_limits(struct queue_limits *lim)
         lim->max_phys_segments = MAX_PHYS_SEGMENTS;
         lim->max_hw_segments = MAX_HW_SEGMENTS;
         lim->seg_boundary_mask = BLK_SEG_BOUNDARY_MASK;
-        lim->max_segment_size = MAX_SEGMENT_SIZE;
+        lim->max_segment_size = BLK_MAX_SEGMENT_SIZE;
         lim->max_sectors = BLK_DEF_MAX_SECTORS;
         lim->max_hw_sectors = INT_MAX;
         lim->max_discard_sectors = 0;
@@ -154,7 +154,7 @@ void blk_queue_make_request(struct request_queue *q, make_request_fn *mfn)
         q->unplug_timer.data = (unsigned long)q;
 
         blk_set_default_limits(&q->limits);
-        blk_queue_max_sectors(q, SAFE_MAX_SECTORS);
+        blk_queue_max_sectors(q, BLK_SAFE_MAX_SECTORS);
 
         /*
          * If the caller didn't supply a lock, fall back to our embedded
diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c
index 1fb6c3135fc8..a7ecb43b16ab 100644
--- a/drivers/block/ps3vram.c
+++ b/drivers/block/ps3vram.c
@@ -753,8 +753,8 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev)
         blk_queue_make_request(queue, ps3vram_make_request);
         blk_queue_max_phys_segments(queue, MAX_PHYS_SEGMENTS);
         blk_queue_max_hw_segments(queue, MAX_HW_SEGMENTS);
-        blk_queue_max_segment_size(queue, MAX_SEGMENT_SIZE);
-        blk_queue_max_sectors(queue, SAFE_MAX_SECTORS);
+        blk_queue_max_segment_size(queue, BLK_MAX_SEGMENT_SIZE);
+        blk_queue_max_sectors(queue, BLK_SAFE_MAX_SECTORS);
 
         gendisk = alloc_disk(1);
         if (!gendisk) {
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c051cea2df07..5d378627f446 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1016,11 +1016,15 @@ extern int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm);
 #define MAX_PHYS_SEGMENTS 128
 #define MAX_HW_SEGMENTS 128
 #define SAFE_MAX_SECTORS 255
-#define BLK_DEF_MAX_SECTORS 1024
-
 #define MAX_SEGMENT_SIZE        65536
 
-#define BLK_SEG_BOUNDARY_MASK   0xFFFFFFFFUL
+enum blk_default_limits {
+        BLK_MAX_SEGMENTS        = 128,
+        BLK_SAFE_MAX_SECTORS    = 255,
+        BLK_DEF_MAX_SECTORS     = 1024,
+        BLK_MAX_SEGMENT_SIZE    = 65536,
+        BLK_SEG_BOUNDARY_MASK   = 0xFFFFFFFFUL,
+};
 
 #define blkdev_entry_to_request(entry) list_entry((entry), struct request, queuelist)