generic_make_request(bio);
}
-int blkdev_issue_discard(struct block_device *, sector_t,
- sector_t, gfp_t, unsigned long);
+int blkdev_issue_discard(struct block_device *, sector_t, sector_t, gfp_t);
#define bdev_get_queue(bdev) (&((bdev)->queue))
-#define blk_queue_discard(q) ((void) (q), 0)
+#ifndef SECTOR_SHIFT
+#define SECTOR_SHIFT 9
+#endif
+#ifndef SECTOR_SIZE
+#define SECTOR_SIZE (1 << SECTOR_SHIFT)
+#endif
+
+#define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT)
+#define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT)
+#define SECTOR_MASK (PAGE_SECTORS - 1)
+
+#define bdev_max_discard_sectors(bdev) ((void) (bdev), 0)
#define blk_queue_nonrot(q) ((void) (q), 0)
unsigned bdev_logical_block_size(struct block_device *bdev);