}
EXPORT_SYMBOL(blk_queue_bounce_limit);
-/**
- * blk_queue_bounce_pfn - set the bounce buffer limit for queue
- * @q: the request queue for the device
- * @pfn: max address
- *
- * Description:
- * This function is similar to blk_queue_bounce_limit except it
- * neither changes allocation flags, nor does it set up the ISA DMA
- * pool. This function should only be used by stacking drivers.
- * Hardware drivers should use blk_queue_bounce_limit instead.
- */
-void blk_queue_bounce_pfn(struct request_queue *q, u64 pfn)
-{
- q->limits.bounce_pfn = pfn;
-}
-EXPORT_SYMBOL(blk_queue_bounce_pfn);
-
/**
* blk_queue_max_sectors - set max sectors for a request for this queue
* @q: the request queue for the device
/**
* blk_queue_alignment_offset - set physical block alignment offset
* @q: the request queue for the device
- * @alignment: alignment offset in bytes
+ * @offset: alignment offset in bytes
*
* Description:
* Some devices are naturally misaligned to compensate for things like
/**
* blk_queue_io_min - set minimum request size for the queue
* @q: the request queue for the device
- * @io_min: smallest I/O size in bytes
+ * @min: smallest I/O size in bytes
*
* Description:
* Some devices have an internal block size bigger than the reported
/**
* blk_queue_io_opt - set optimal request size for the queue
* @q: the request queue for the device
- * @io_opt: optimal request size in bytes
+ * @opt: optimal request size in bytes
*
* Description:
* Drivers can call this function to set the preferred I/O request
/**
* blk_stack_limits - adjust queue_limits for stacked devices
* @t: the stacking driver limits (top)
- * @bdev: the underlying queue limits (bottom)
+ * @b: the underlying queue limits (bottom)
* @offset: offset to beginning of data within component device
*
* Description:
{
t->max_sectors = min_not_zero(t->max_sectors, b->max_sectors);
t->max_hw_sectors = min_not_zero(t->max_hw_sectors, b->max_hw_sectors);
+ t->bounce_pfn = min_not_zero(t->bounce_pfn, b->bounce_pfn);
t->seg_boundary_mask = min_not_zero(t->seg_boundary_mask,
b->seg_boundary_mask);
/**
* disk_stack_limits - adjust queue limits for stacked drivers
- * @t: MD/DM gendisk (top)
+ * @disk: MD/DM gendisk (top)
* @bdev: the underlying block device (bottom)
* @offset: offset to beginning of data within component device
*