From mboxrd@z Thu Jan 1 00:00:00 1970 From: FUJITA Tomonori Subject: [PATCH] block: fix blk_queue_dma_pad comment Date: Sat, 19 Apr 2008 21:12:40 +0900 Message-ID: <20080419211232Z.tomof@acm.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from mo10.iij4u.or.jp ([210.138.174.78]:56605 "EHLO mo10.iij4u.or.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754371AbYDSMMy (ORCPT ); Sat, 19 Apr 2008 08:12:54 -0400 Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org Cc: jens.axboe@oracle.com, htejun@gmail.com This is against Jens' for-2.6.26 branch. == From: FUJITA Tomonori Subject: [PATCH] block: fix blk_queue_dma_pad comment rq->data_len is always equal to the true data length. Signed-off-by: FUJITA Tomonori Cc: Tejun Heo Cc: Jens Axboe --- block/blk-settings.c | 5 ++--- 1 files changed, 2 insertions(+), 3 deletions(-) diff --git a/block/blk-settings.c b/block/blk-settings.c index 5713f7e..74f53ed 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -299,9 +299,8 @@ EXPORT_SYMBOL(blk_queue_stack_limits); * * Set pad mask. Direct IO requests are padded to the mask specified. * - * Appending pad buffer to a request modifies ->data_len such that it - * includes the pad buffer. The original requested data length can be - * obtained using blk_rq_raw_data_len(). + * Appending pad buffer to a request modifies the last entry of a + * scatter list such that it includes the pad buffer. **/ void blk_queue_dma_pad(struct request_queue *q, unsigned int mask) { -- 1.5.4.2