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path: root/drivers/s390/block/dasd_diag.c
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Diffstat (limited to 'drivers/s390/block/dasd_diag.c')
-rw-r--r--drivers/s390/block/dasd_diag.c22
1 files changed, 3 insertions, 19 deletions
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 041088c7e909..ea4b1d01bb76 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -617,25 +617,9 @@ dasd_diag_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
"dump sense not available for DIAG data");
}
-/*
- * Initialize block layer request queue.
- */
-static void dasd_diag_setup_blk_queue(struct dasd_block *block)
+static unsigned int dasd_diag_max_sectors(struct dasd_block *block)
{
- unsigned int logical_block_size = block->bp_block;
- struct request_queue *q = block->gdp->queue;
- int max;
-
- max = DIAG_MAX_BLOCKS << block->s2b_shift;
- blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
- q->limits.max_dev_sectors = max;
- blk_queue_logical_block_size(q, logical_block_size);
- blk_queue_max_hw_sectors(q, max);
- blk_queue_max_segments(q, USHRT_MAX);
- /* With page sized segments each segment can be translated into one idaw/tidaw */
- blk_queue_max_segment_size(q, PAGE_SIZE);
- blk_queue_segment_boundary(q, PAGE_SIZE - 1);
- blk_queue_dma_alignment(q, PAGE_SIZE - 1);
+ return DIAG_MAX_BLOCKS << block->s2b_shift;
}
static int dasd_diag_pe_handler(struct dasd_device *device,
@@ -648,10 +632,10 @@ static struct dasd_discipline dasd_diag_discipline = {
.owner = THIS_MODULE,
.name = "DIAG",
.ebcname = "DIAG",
+ .max_sectors = dasd_diag_max_sectors,
.check_device = dasd_diag_check_device,
.pe_handler = dasd_diag_pe_handler,
.fill_geometry = dasd_diag_fill_geometry,
- .setup_blk_queue = dasd_diag_setup_blk_queue,
.start_IO = dasd_start_diag,
.term_IO = dasd_diag_term_IO,
.handle_terminated_request = dasd_diag_handle_terminated_request,