block: Ensure physical block size is unsigned int
authorMartin K. Petersen <martin.petersen@oracle.com>
Wed, 13 Oct 2010 19:18:03 +0000 (21:18 +0200)
committerJens Axboe <jaxboe@fusionio.com>
Wed, 13 Oct 2010 19:19:12 +0000 (21:19 +0200)
Physical block size was declared unsigned int to accomodate the maximum
size reported by READ CAPACITY(16).  Make sure we use the right type in
the related functions.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
block/blk-settings.c
include/linux/blkdev.h

index a3600a7ab8bb7cede0bddfefe92180617045d525..315b88c8cbbbbc5e6cefd00361d988a4c0b58a8a 100644 (file)
@@ -344,7 +344,7 @@ EXPORT_SYMBOL(blk_queue_logical_block_size);
  *   hardware can operate on without reverting to read-modify-write
  *   operations.
  */
-void blk_queue_physical_block_size(struct request_queue *q, unsigned short size)
+void blk_queue_physical_block_size(struct request_queue *q, unsigned int size)
 {
        q->limits.physical_block_size = size;
 
index 1341df5806dfcb7440069576298678fd4075383d..8f3dd981b973900944ab82625b8462a5f3f8ccec 100644 (file)
@@ -860,7 +860,7 @@ 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);
 extern void blk_queue_logical_block_size(struct request_queue *, unsigned short);
-extern void blk_queue_physical_block_size(struct request_queue *, unsigned short);
+extern void blk_queue_physical_block_size(struct request_queue *, unsigned int);
 extern void blk_queue_alignment_offset(struct request_queue *q,
                                       unsigned int alignment);
 extern void blk_limits_io_min(struct queue_limits *limits, unsigned int min);
@@ -1013,7 +1013,7 @@ static inline unsigned int queue_physical_block_size(struct request_queue *q)
        return q->limits.physical_block_size;
 }
 
-static inline int bdev_physical_block_size(struct block_device *bdev)
+static inline unsigned int bdev_physical_block_size(struct block_device *bdev)
 {
        return queue_physical_block_size(bdev_get_queue(bdev));
 }