Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757844Ab3GLVtV (ORCPT ); Fri, 12 Jul 2013 17:49:21 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:49636 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757496Ab3GLVtT (ORCPT ); Fri, 12 Jul 2013 17:49:19 -0400 From: Santosh Shilimkar To: , CC: Santosh Shilimkar , Russell King , Jens Axboe Subject: [RFC/RFT PATCH 1/5] block: Rename parameter dma_mask to max_addr for blk_queue_bounce_limit() Date: Fri, 12 Jul 2013 17:48:10 -0400 Message-ID: <1373665694-7580-2-git-send-email-santosh.shilimkar@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1373665694-7580-1-git-send-email-santosh.shilimkar@ti.com> References: <1373665694-7580-1-git-send-email-santosh.shilimkar@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1873 Lines: 51 The blk_queue_bounce_limit() API parameter 'dma_mask' is actually the maximum address the device can handle rather than a dma_mask. Rename it accordingly to avoid it being interpreted as dma_mask. No functional change. The idea is to fix the bad assumptions about dma_mask wherever it could be miss-interpreted. Cc: Russell King Cc: Jens Axboe Signed-off-by: Santosh Shilimkar --- block/blk-settings.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/block/blk-settings.c b/block/blk-settings.c index c50ecf0..026c151 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -195,17 +195,17 @@ EXPORT_SYMBOL(blk_queue_make_request); /** * blk_queue_bounce_limit - set bounce buffer limit for queue * @q: the request queue for the device - * @dma_mask: the maximum address the device can handle + * @max_addr: the maximum address the device can handle * * Description: * Different hardware can have different requirements as to what pages * it can do I/O directly to. A low level driver can call * blk_queue_bounce_limit to have lower memory pages allocated as bounce - * buffers for doing I/O to pages residing above @dma_mask. + * buffers for doing I/O to pages residing above @max_addr. **/ -void blk_queue_bounce_limit(struct request_queue *q, u64 dma_mask) +void blk_queue_bounce_limit(struct request_queue *q, u64 max_addr) { - unsigned long b_pfn = dma_mask >> PAGE_SHIFT; + unsigned long b_pfn = max_addr >> PAGE_SHIFT; int dma = 0; q->bounce_gfp = GFP_NOIO; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/