From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754272Ab3K0AqL (ORCPT ); Tue, 26 Nov 2013 19:46:11 -0500 Received: from mail-pd0-f174.google.com ([209.85.192.174]:35466 "EHLO mail-pd0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753804Ab3K0Aps (ORCPT ); Tue, 26 Nov 2013 19:45:48 -0500 From: Kent Overstreet To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, hch@infradead.org Cc: Kent Overstreet , Alasdair Kergon , dm-devel@redhat.com Subject: [PATCH 05/25] dm: Use bvec_iter for dm_bio_record() Date: Tue, 26 Nov 2013 16:45:08 -0800 Message-Id: <1385513128-5035-5-git-send-email-kmo@daterainc.com> X-Mailer: git-send-email 1.8.4.4 In-Reply-To: <1385513128-5035-1-git-send-email-kmo@daterainc.com> References: <20131127004422.GB21305@kmo> <1385513128-5035-1-git-send-email-kmo@daterainc.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch doesn't itself have any functional changes, but immutable biovecs are going to add a bi_bvec_done member to bi_iter, which will need to be saved too here. Signed-off-by: Kent Overstreet Cc: Alasdair Kergon Cc: dm-devel@redhat.com Reviewed-by: Mike Snitzer --- drivers/md/dm-bio-record.h | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/drivers/md/dm-bio-record.h b/drivers/md/dm-bio-record.h index 5ace48e..4f46e8e 100644 --- a/drivers/md/dm-bio-record.h +++ b/drivers/md/dm-bio-record.h @@ -28,11 +28,9 @@ struct dm_bio_vec_details { }; struct dm_bio_details { - sector_t bi_sector; struct block_device *bi_bdev; - unsigned int bi_size; - unsigned short bi_idx; unsigned long bi_flags; + struct bvec_iter bi_iter; struct dm_bio_vec_details bi_io_vec[BIO_MAX_PAGES]; }; @@ -40,11 +38,9 @@ static inline void dm_bio_record(struct dm_bio_details *bd, struct bio *bio) { unsigned i; - bd->bi_sector = bio->bi_iter.bi_sector; bd->bi_bdev = bio->bi_bdev; - bd->bi_size = bio->bi_iter.bi_size; - bd->bi_idx = bio->bi_iter.bi_idx; bd->bi_flags = bio->bi_flags; + bd->bi_iter = bio->bi_iter; for (i = 0; i < bio->bi_vcnt; i++) { bd->bi_io_vec[i].bv_len = bio->bi_io_vec[i].bv_len; @@ -56,11 +52,9 @@ static inline void dm_bio_restore(struct dm_bio_details *bd, struct bio *bio) { unsigned i; - bio->bi_iter.bi_sector = bd->bi_sector; bio->bi_bdev = bd->bi_bdev; - bio->bi_iter.bi_size = bd->bi_size; - bio->bi_iter.bi_idx = bd->bi_idx; bio->bi_flags = bd->bi_flags; + bio->bi_iter = bd->bi_iter; for (i = 0; i < bio->bi_vcnt; i++) { bio->bi_io_vec[i].bv_len = bd->bi_io_vec[i].bv_len; -- 1.8.4.4