| From | Jiri Slaby <> | Subject | [PATCH 3.12 103/182] mtip32xx: Set queue bounce limit | Date | Tue, 13 May 2014 11:27:35 +0200 |
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From: Felipe Franciosi <felipe@paradoxo.org>
3.12-stable review patch. If anyone has any objections, please let me know.
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commit 1044b1bb9278f2e656a1a7b63dc24a59506540aa upstream.
We need to set the queue bounce limit during the device initialization to prevent excessive bouncing on 32 bit architectures.
Signed-off-by: Felipe Franciosi <felipe@paradoxo.org> Signed-off-by: Jens Axboe <axboe@fb.com> Signed-off-by: Jiri Slaby <jslaby@suse.cz> --- drivers/block/mtip32xx/mtip32xx.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 952dbfe22126..bd3d20741958 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -4040,6 +4040,7 @@ skip_create_disk: blk_queue_max_hw_sectors(dd->queue, 0xffff); blk_queue_max_segment_size(dd->queue, 0x400000); blk_queue_io_min(dd->queue, 4096); + blk_queue_bounce_limit(dd->queue, dd->pdev->dma_mask); /* * write back cache is not supported in the device. FUA depends on -- 1.9.3
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