Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753752Ab3C0RlA (ORCPT ); Wed, 27 Mar 2013 13:41:00 -0400 Received: from mail-pd0-f170.google.com ([209.85.192.170]:43913 "EHLO mail-pd0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753634Ab3C0Rk4 (ORCPT ); Wed, 27 Mar 2013 13:40:56 -0400 From: Kent Overstreet To: axboe@kernel.dk, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, dm-devel@vger.kernel.org Cc: tj@kernel.org, neilb@suse.de, Kent Overstreet , Alasdair Kergon , dm-devel@redhat.com Subject: [PATCH 20/22] dm: Don't save bvec anymore Date: Wed, 27 Mar 2013 10:39:50 -0700 Message-Id: <1364405992-28424-21-git-send-email-koverstreet@google.com> X-Mailer: git-send-email 1.8.1.3 In-Reply-To: <1364405992-28424-1-git-send-email-koverstreet@google.com> References: <1364405992-28424-1-git-send-email-koverstreet@google.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1876 Lines: 73 Now that drivers have been converted to the bvec_iter primitives, they shouldn't be modifying the biovec anymore and thus saving it is unnecessary. Signed-off-by: Kent Overstreet Cc: Alasdair Kergon Cc: dm-devel@redhat.com --- drivers/md/dm-bio-record.h | 25 ------------------------- 1 file changed, 25 deletions(-) diff --git a/drivers/md/dm-bio-record.h b/drivers/md/dm-bio-record.h index 4f46e8e..dd36461 100644 --- a/drivers/md/dm-bio-record.h +++ b/drivers/md/dm-bio-record.h @@ -17,49 +17,24 @@ * original bio state. */ -struct dm_bio_vec_details { -#if PAGE_SIZE < 65536 - __u16 bv_len; - __u16 bv_offset; -#else - unsigned bv_len; - unsigned bv_offset; -#endif -}; - struct dm_bio_details { struct block_device *bi_bdev; unsigned long bi_flags; struct bvec_iter bi_iter; - struct dm_bio_vec_details bi_io_vec[BIO_MAX_PAGES]; }; static inline void dm_bio_record(struct dm_bio_details *bd, struct bio *bio) { - unsigned i; - bd->bi_bdev = bio->bi_bdev; 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; - bd->bi_io_vec[i].bv_offset = bio->bi_io_vec[i].bv_offset; - } } static inline void dm_bio_restore(struct dm_bio_details *bd, struct bio *bio) { - unsigned i; - bio->bi_bdev = bd->bi_bdev; 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; - bio->bi_io_vec[i].bv_offset = bd->bi_io_vec[i].bv_offset; - } } #endif -- 1.8.1.3 -- 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/