From patchwork Wed Aug 4 09:56:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 491726 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A044C4320E for ; Wed, 4 Aug 2021 09:59:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 02CE161037 for ; Wed, 4 Aug 2021 09:59:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237284AbhHDJ7y (ORCPT ); Wed, 4 Aug 2021 05:59:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49360 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237257AbhHDJ7x (ORCPT ); Wed, 4 Aug 2021 05:59:53 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 154C2C0613D5; Wed, 4 Aug 2021 02:59:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=UJrCb7CGT+ZAjfUzBrDvox/kj9NEI6DcJ2NjSWkF2zM=; b=sYPxayznDPwIRyL7nKUygoZD3k dt/bjMT5bAbfRZ13gnpvjc5NY9EksxP5d32LJBcepAgioku0FtN2VHK7R7M7Afs6OF/FfY8D4q2NS Ys9QfpkLm0yZEn2Yq8/JAyeP6uZhYAYHcOZgrcndDEeHPgfKy9aR+1m/S5KIqNBPJusPfmCvukDGK HDIiS0Sp1Dg5y6Sguy/uqGCvuCY2RruHbmHkNPU54WL6WooDs1ZFZ0+/VZCp4ENDmurNe1u3w4CYN wJPMT1dd8CyN11OgdFiYEiEIAngynUkdd6r9ITrs/sxLPRokEREfq2f3JisClKZP8l+gfo3TC+ru9 p2MBCyUQ==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDeG-005eu2-Q4; Wed, 04 Aug 2021 09:57:31 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 01/15] bvec: add a bvec_virt helper Date: Wed, 4 Aug 2021 11:56:20 +0200 Message-Id: <20210804095634.460779-2-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Add a helper to get the virtual address for a bvec. This avoids that all callers need to know about the page + offset representation. Signed-off-by: Christoph Hellwig Reviewed-by: Chaitanya Kulkarni Reviewed-by: Martin K. Petersen --- include/linux/bvec.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/linux/bvec.h b/include/linux/bvec.h index f9fa43b940ff..0e9bdd42dafb 100644 --- a/include/linux/bvec.h +++ b/include/linux/bvec.h @@ -229,4 +229,16 @@ static inline void memzero_bvec(struct bio_vec *bvec) memzero_page(bvec->bv_page, bvec->bv_offset, bvec->bv_len); } +/** + * bvec_virt - return the virtual address for a bvec + * @bvec: bvec to return the virtual address for + * + * Note: the caller must ensure that @bvec->bv_page is not a highmem page. + */ +static inline void *bvec_virt(struct bio_vec *bvec) +{ + WARN_ON_ONCE(PageHighMem(bvec->bv_page)); + return page_address(bvec->bv_page) + bvec->bv_offset; +} + #endif /* __LINUX_BVEC_H */ From patchwork Wed Aug 4 09:56:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 492314 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61282C4320E for ; Wed, 4 Aug 2021 10:00:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A815601FC for ; Wed, 4 Aug 2021 10:00:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237327AbhHDKAp (ORCPT ); Wed, 4 Aug 2021 06:00:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236397AbhHDKAo (ORCPT ); Wed, 4 Aug 2021 06:00:44 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5334CC0613D5; Wed, 4 Aug 2021 03:00:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=9PnIwd90XM6OC3TUiZ1/4ur9Fh/NQr+Mi1lLoOWKMW4=; b=wMA1ImSgUgljxEB/DVjr1OPNNo Vu5Yy/3EZNV5JPqg8zL7z1ZM9lYw8t8u6ky24W17xUAKc5X7SC4d9uiKIZTMSjdUMsssLldDF5QHX /p6onbdx/YKqkBVWMi+x+L4p/xB4/UtKHflV4J4VU14kBvsFru9TONqpuWBMmoYYCASYCkkqcmtKu CJYOtT8H18ngH3klzAGOhco6BP5TluC7i78I0VIylgcTaiVcOo9qpcwrUUc9V2MlXSBjOnpLxzF89 Mr15Zbrkbbvs5usqWfIWvGQV0C7stOD86xyX9fCbce3CHbuux8zAh9CXoVOs4Zyuv+iJwcrQobKcL apSCm7jA==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDet-005ewi-MZ; Wed, 04 Aug 2021 09:58:15 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 02/15] block: use bvec_virt in bio_integrity_{process,free} Date: Wed, 4 Aug 2021 11:56:21 +0200 Message-Id: <20210804095634.460779-3-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use the bvec_virt helper to clean up the bio integrity processing a little bit. Signed-off-by: Christoph Hellwig Reviewed-by: Chaitanya Kulkarni --- block/bio-integrity.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/block/bio-integrity.c b/block/bio-integrity.c index 8f54d49dc500..6b47cddbbca1 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -104,8 +104,7 @@ void bio_integrity_free(struct bio *bio) struct bio_set *bs = bio->bi_pool; if (bip->bip_flags & BIP_BLOCK_INTEGRITY) - kfree(page_address(bip->bip_vec->bv_page) + - bip->bip_vec->bv_offset); + kfree(bvec_virt(bip->bip_vec)); __bio_integrity_free(bs, bip); bio->bi_integrity = NULL; @@ -163,13 +162,11 @@ static blk_status_t bio_integrity_process(struct bio *bio, struct bio_vec bv; struct bio_integrity_payload *bip = bio_integrity(bio); blk_status_t ret = BLK_STS_OK; - void *prot_buf = page_address(bip->bip_vec->bv_page) + - bip->bip_vec->bv_offset; iter.disk_name = bio->bi_bdev->bd_disk->disk_name; iter.interval = 1 << bi->interval_exp; iter.seed = proc_iter->bi_sector; - iter.prot_buf = prot_buf; + iter.prot_buf = bvec_virt(bip->bip_vec); __bio_for_each_segment(bv, bio, bviter, *proc_iter) { void *kaddr = bvec_kmap_local(&bv); From patchwork Wed Aug 4 09:56:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 491725 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5FE1EC4320A for ; Wed, 4 Aug 2021 10:01:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 446C361037 for ; Wed, 4 Aug 2021 10:01:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236859AbhHDKBr (ORCPT ); Wed, 4 Aug 2021 06:01:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236397AbhHDKBa (ORCPT ); Wed, 4 Aug 2021 06:01:30 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BDBCAC0613D5; Wed, 4 Aug 2021 03:01:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=C7BNoQnfAhpf1wqghahug1gwysuiZ4tUzmHR/Uv5INQ=; b=DjcorNtLkts0oP6dnpTQfumsvp O2P1/zhII9l+7JUkGtZMN2Pn1xTz0ZLBQgMMVSZityRrbsgwhAkYOjzhRRwjxHzFnaLs33AHuOS0f 3+v2K+PBrXa476TIP8IbNnljuGnrm+SbD9rl5MQwqfsq2is6VruACOLulFtvIYbB+zAWHWjcwxGNF Ew5/GSbbMlxTpikTCQjGda88tmEsu5PwVMA3zd0BwewYOk6UeHdzz7NlslL6lXnktoKPgsn1ZtEU5 gX4nbrwsXi8O41tKqVUHrft0/km/Fas41l1i1kIVNcS5jAgBmoAAV1jnnV2ZJQO8q54pLY2hOG6nR FsMBFdRQ==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDfi-005f2N-DE; Wed, 04 Aug 2021 09:59:07 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 03/15] dm: make EBS depend on !HIGHMEM Date: Wed, 4 Aug 2021 11:56:22 +0200 Message-Id: <20210804095634.460779-4-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org __ebs_rw_bvec use page_address on the submitted bios data, and thus can't deal with highmem. Disable the target on highmem configs. Signed-off-by: Christoph Hellwig --- drivers/md/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 0602e82a9516..ecc559c60d40 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -340,7 +340,7 @@ config DM_WRITECACHE config DM_EBS tristate "Emulated block size target (EXPERIMENTAL)" - depends on BLK_DEV_DM + depends on BLK_DEV_DM && !HIGHMEM select DM_BUFIO help dm-ebs emulates smaller logical block size on backing devices From patchwork Wed Aug 4 09:56:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 492313 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2497EC43216 for ; Wed, 4 Aug 2021 10:02:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0B6B8601FC for ; Wed, 4 Aug 2021 10:02:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237348AbhHDKCK (ORCPT ); Wed, 4 Aug 2021 06:02:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49926 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237234AbhHDKCI (ORCPT ); Wed, 4 Aug 2021 06:02:08 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43347C0613D5; Wed, 4 Aug 2021 03:01:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=tt1taHmY3o8vbuA2AsPbb7cVrfeK82HOf8oIyKb3FTc=; b=hQD8KAYgeD+mcu3L+5xHSLBo6v KqojgNbYvl2wtrtH74G2n7RfNh4yKrQ6VFFH0zqcE312iaQ3rdaOtuiLLhlgi6inMl2tvjqN44r72 8uFEgjIi2C8hWo+D6boAKH/PyxlyQ5HOTIkyPuBK6Mf0/D9MQC28Vfvk98Wd/tCkX5OPbz8e9hns7 iFrSC8YNN3h2HIBA7MnCkr1wp7PIx30YO2pOm1Jvv0UyrDjAotS7zcZNT86qxhTcottNy1CIKwe7E eBqYoK9R7/9DBi0elNYmpi9Zu1wOHzahpeNqX2Mbv82BVMilP4Ziw9RJf0cJQZV2KmrCwCOqyBakx asS/u03g==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDga-005f7A-CF; Wed, 04 Aug 2021 09:59:54 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 04/15] dm-ebs: use bvec_virt Date: Wed, 4 Aug 2021 11:56:23 +0200 Message-Id: <20210804095634.460779-5-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use bvec_virt instead of open coding it. Signed-off-by: Christoph Hellwig --- drivers/md/dm-ebs-target.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/dm-ebs-target.c b/drivers/md/dm-ebs-target.c index 71475a2410be..0c509dae0ff8 100644 --- a/drivers/md/dm-ebs-target.c +++ b/drivers/md/dm-ebs-target.c @@ -74,7 +74,7 @@ static int __ebs_rw_bvec(struct ebs_c *ec, int rw, struct bio_vec *bv, struct bv if (unlikely(!bv->bv_page || !bv_len)) return -EIO; - pa = page_address(bv->bv_page) + bv->bv_offset; + pa = bvec_virt(bv); /* Handle overlapping page <-> blocks */ while (bv_len) { From patchwork Wed Aug 4 09:56:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 491724 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 77D29C432BE for ; Wed, 4 Aug 2021 10:03:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 60BEB61004 for ; Wed, 4 Aug 2021 10:03:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236822AbhHDKDN (ORCPT ); Wed, 4 Aug 2021 06:03:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50186 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237381AbhHDKDI (ORCPT ); Wed, 4 Aug 2021 06:03:08 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 07B09C0617A1; Wed, 4 Aug 2021 03:02:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=38PP0nqE1Rr5Q2SngGpX8SaabB796rszA7pe5/OYcCE=; b=NZVo6Syey+ucG1T/H4GNaod0LQ R3HS7TqZ5afkR+W+LPQJkznZOdAp8uReL+jaUNSYRPcVYrEd+QKJpXhyMJeIOUpxn6c6kg6oOcnrj ycZVGqV90IGpgWJAdd/4RU4VedNIa+ouNFQPdggcsnOZH0MibUQDRqjnN6Klph1gOoqn8Oowgd+90 SKSpiLwMFkfPxHoVq1iUv+bgY8YaLlGZCl1KwsC1LwwnnIhdy0CzjMqtFV9iC0vVxrqjp46rQonBS dvE79Kmj5hVeLSHgBE3iwZOdeXA8BcSCT2lsyusJ9iEyY1RsgiF6m8nRVF5xP1/KOWT5fQu+V9TFA MzZrJ0rg==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDhE-005fC7-4b; Wed, 04 Aug 2021 10:00:43 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 05/15] dm-integrity: use bvec_virt Date: Wed, 4 Aug 2021 11:56:24 +0200 Message-Id: <20210804095634.460779-6-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use bvec_virt instead of open coding it. Signed-off-by: Christoph Hellwig --- drivers/md/dm-integrity.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 20f2510db1f6..a9ea361769a7 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -1819,7 +1819,7 @@ static void integrity_metadata(struct work_struct *w) unsigned this_len; BUG_ON(PageHighMem(biv.bv_page)); - tag = lowmem_page_address(biv.bv_page) + biv.bv_offset; + tag = bvec_virt(&biv); this_len = min(biv.bv_len, data_to_process); r = dm_integrity_rw_tag(ic, tag, &dio->metadata_block, &dio->metadata_offset, this_len, dio->op == REQ_OP_READ ? TAG_READ : TAG_WRITE); @@ -2006,7 +2006,7 @@ static bool __journal_read_write(struct dm_integrity_io *dio, struct bio *bio, unsigned tag_now = min(biv.bv_len, tag_todo); char *tag_addr; BUG_ON(PageHighMem(biv.bv_page)); - tag_addr = lowmem_page_address(biv.bv_page) + biv.bv_offset; + tag_addr = bvec_virt(&biv); if (likely(dio->op == REQ_OP_WRITE)) memcpy(tag_ptr, tag_addr, tag_now); else From patchwork Wed Aug 4 09:56:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 492312 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 831C3C4320E for ; Wed, 4 Aug 2021 10:03:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6B4F461029 for ; Wed, 4 Aug 2021 10:03:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236842AbhHDKDp (ORCPT ); Wed, 4 Aug 2021 06:03:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50312 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236775AbhHDKDk (ORCPT ); Wed, 4 Aug 2021 06:03:40 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 86645C0613D5; Wed, 4 Aug 2021 03:03:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=U8gl0ibigZuBxb1er2grGKX+goE9BthZJ/OF371A9bI=; b=wR11HIuSQMK44FHP61z8T70PBH PaVhFcTxwWOPc4pnZqyPEGVj9JzDzsXU4ilPRj8HNgVDJbT2PVl5B84w1V3kPeuIUfFt8yZ37Ho0z z01UKj/pwAhZEXcFNMlkYG9yjqd8rXxJc/QGiWBEZ7DrYfFC8yviuXRDsKYeDUm0P/BsTD/Q8A4at t0ie4dglmKF0awtMLfFDuviTiAVKBik4jaEW7q1/2w8cSPQ1sAkKQgIHt4rukLpaJ4dKNAJwjN65s lhBAaD+jrqWHjJb39cHqz5p/o38APHJLiXsCYIV9VX7QkP+OPbv5oOHfANZ0i57CwDry/qW3UzBCE wY3JGlEw==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDi1-005fHw-82; Wed, 04 Aug 2021 10:01:22 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 06/15] squashfs: use bvec_virt Date: Wed, 4 Aug 2021 11:56:25 +0200 Message-Id: <20210804095634.460779-7-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use bvec_virt instead of open coding it. Signed-off-by: Christoph Hellwig --- fs/squashfs/block.c | 7 +++---- fs/squashfs/lz4_wrapper.c | 2 +- fs/squashfs/lzo_wrapper.c | 2 +- fs/squashfs/xz_wrapper.c | 2 +- fs/squashfs/zlib_wrapper.c | 2 +- fs/squashfs/zstd_wrapper.c | 2 +- 6 files changed, 8 insertions(+), 9 deletions(-) diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c index 855f0e87066d..2db8bcf7ff85 100644 --- a/fs/squashfs/block.c +++ b/fs/squashfs/block.c @@ -49,8 +49,7 @@ static int copy_bio_to_actor(struct bio *bio, bytes_to_copy = min_t(int, bytes_to_copy, req_length - copied_bytes); - memcpy(actor_addr + actor_offset, - page_address(bvec->bv_page) + bvec->bv_offset + offset, + memcpy(actor_addr + actor_offset, bvec_virt(bvec) + offset, bytes_to_copy); actor_offset += bytes_to_copy; @@ -177,7 +176,7 @@ int squashfs_read_data(struct super_block *sb, u64 index, int length, goto out_free_bio; } /* Extract the length of the metadata block */ - data = page_address(bvec->bv_page) + bvec->bv_offset; + data = bvec_virt(bvec); length = data[offset]; if (offset < bvec->bv_len - 1) { length |= data[offset + 1] << 8; @@ -186,7 +185,7 @@ int squashfs_read_data(struct super_block *sb, u64 index, int length, res = -EIO; goto out_free_bio; } - data = page_address(bvec->bv_page) + bvec->bv_offset; + data = bvec_virt(bvec); length |= data[0] << 8; } bio_free_pages(bio); diff --git a/fs/squashfs/lz4_wrapper.c b/fs/squashfs/lz4_wrapper.c index 233d5582fbee..b685b6238316 100644 --- a/fs/squashfs/lz4_wrapper.c +++ b/fs/squashfs/lz4_wrapper.c @@ -101,7 +101,7 @@ static int lz4_uncompress(struct squashfs_sb_info *msblk, void *strm, while (bio_next_segment(bio, &iter_all)) { int avail = min(bytes, ((int)bvec->bv_len) - offset); - data = page_address(bvec->bv_page) + bvec->bv_offset; + data = bvec_virt(bvec); memcpy(buff, data + offset, avail); buff += avail; bytes -= avail; diff --git a/fs/squashfs/lzo_wrapper.c b/fs/squashfs/lzo_wrapper.c index 97bb7d92ddcd..cb510a631968 100644 --- a/fs/squashfs/lzo_wrapper.c +++ b/fs/squashfs/lzo_wrapper.c @@ -76,7 +76,7 @@ static int lzo_uncompress(struct squashfs_sb_info *msblk, void *strm, while (bio_next_segment(bio, &iter_all)) { int avail = min(bytes, ((int)bvec->bv_len) - offset); - data = page_address(bvec->bv_page) + bvec->bv_offset; + data = bvec_virt(bvec); memcpy(buff, data + offset, avail); buff += avail; bytes -= avail; diff --git a/fs/squashfs/xz_wrapper.c b/fs/squashfs/xz_wrapper.c index e80419aed862..68f6d09bb3a2 100644 --- a/fs/squashfs/xz_wrapper.c +++ b/fs/squashfs/xz_wrapper.c @@ -146,7 +146,7 @@ static int squashfs_xz_uncompress(struct squashfs_sb_info *msblk, void *strm, } avail = min(length, ((int)bvec->bv_len) - offset); - data = page_address(bvec->bv_page) + bvec->bv_offset; + data = bvec_virt(bvec); length -= avail; stream->buf.in = data + offset; stream->buf.in_size = avail; diff --git a/fs/squashfs/zlib_wrapper.c b/fs/squashfs/zlib_wrapper.c index bcb881ec47f2..a20e9042146b 100644 --- a/fs/squashfs/zlib_wrapper.c +++ b/fs/squashfs/zlib_wrapper.c @@ -76,7 +76,7 @@ static int zlib_uncompress(struct squashfs_sb_info *msblk, void *strm, } avail = min(length, ((int)bvec->bv_len) - offset); - data = page_address(bvec->bv_page) + bvec->bv_offset; + data = bvec_virt(bvec); length -= avail; stream->next_in = data + offset; stream->avail_in = avail; diff --git a/fs/squashfs/zstd_wrapper.c b/fs/squashfs/zstd_wrapper.c index b7cb1faa652d..0015cf8b5582 100644 --- a/fs/squashfs/zstd_wrapper.c +++ b/fs/squashfs/zstd_wrapper.c @@ -94,7 +94,7 @@ static int zstd_uncompress(struct squashfs_sb_info *msblk, void *strm, } avail = min(length, ((int)bvec->bv_len) - offset); - data = page_address(bvec->bv_page) + bvec->bv_offset; + data = bvec_virt(bvec); length -= avail; in_buf.src = data + offset; in_buf.size = avail; From patchwork Wed Aug 4 09:56:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 491723 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9FDF2C43214 for ; Wed, 4 Aug 2021 10:04:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8143E601FC for ; Wed, 4 Aug 2021 10:04:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237352AbhHDKEl (ORCPT ); Wed, 4 Aug 2021 06:04:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50546 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235419AbhHDKEk (ORCPT ); Wed, 4 Aug 2021 06:04:40 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 67631C0613D5; Wed, 4 Aug 2021 03:04:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=OgN+TL2fi+1ZwR7PJxoMS2EK4Eu2vaMrEjV+dYXPObM=; b=jqeZ0Lxh+W2cclXMZXNwa2ndtK c8FElTE6VaKuvE87+FU9EPMjLAINUnTn1UZDhVkXSQt6HO+czDRw9JEod7R5qKU2vSDTc/aQHLTa3 3zmXmwLGvez4nxjDXqqsb2x0LwmqB/Gcqey5G3Rs1kFKAD0Cwi03UIrEPBuqQefZECCpTNCY0QVy1 qGiKEk07FqeB3BJOSmiOcsG1gQ/B3bCKa3cbabjOjyE/Hb9L3KLyWK5AaCgSYyF/UhlxhHwwbjDlz Sz6OlH7g9mkShsoIzFT9EAQt8FbzdDMgJdv9I4butvH9F/uOwHsZ3z0fLIpmhqo8kmb5GKCH4WbWF W2zNaDcQ==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDid-005fLT-QT; Wed, 04 Aug 2021 10:02:02 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 07/15] rbd: use bvec_virt Date: Wed, 4 Aug 2021 11:56:26 +0200 Message-Id: <20210804095634.460779-8-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use bvec_virt instead of open coding it. Signed-off-by: Christoph Hellwig Reviewed-by: Jeff Layton --- drivers/block/rbd.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 6d596c2c2cd6..e65c9d706f6f 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -2986,8 +2986,7 @@ static bool is_zero_bvecs(struct bio_vec *bvecs, u32 bytes) }; ceph_bvec_iter_advance_step(&it, bytes, ({ - if (memchr_inv(page_address(bv.bv_page) + bv.bv_offset, 0, - bv.bv_len)) + if (memchr_inv(bvec_virt(&bv), 0, bv.bv_len)) return false; })); return true; From patchwork Wed Aug 4 09:56:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 492311 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CECFEC4320A for ; Wed, 4 Aug 2021 10:05:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B6352601FC for ; Wed, 4 Aug 2021 10:05:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237425AbhHDKFp (ORCPT ); Wed, 4 Aug 2021 06:05:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50810 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235066AbhHDKFo (ORCPT ); Wed, 4 Aug 2021 06:05:44 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E32BAC0613D5; Wed, 4 Aug 2021 03:05:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=NWGaQ8EeTZRE7jOsnl40NWYULu0YrSIOzslX48aChUU=; b=N2U1fMSy3pgbLVeSVM0BoA1Xx6 Ry3zTFl3YVaPObK0cagZhV9snGs3e3opGUkDQSDYIrysTVhW+Rifx2ZJmKETOV+YvlSk3N9bIE97t 9K9jN1/HR0v9+LygVQGZfAHS7XAbs/hfhXoR1kKJNeQ3OOa+Zb86kf9nzMgyfvIJmg4+I61IZOxf9 2oxZj+Ww3DlOWO3vrWhMMbHqcZ0xB7x1j42BE5yxC3YP+C20J/FYOLDuMJG4QnJuq2iT6WdPDeUb1 jP92eOghvJ/HmZJFGY/v3dsuGKnENcvnWDEsueNZJHLt5JBcukU53RwrIZPeXcH0QpcQfdNvotK3P mCnP/kXQ==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDja-005fRH-4d; Wed, 04 Aug 2021 10:03:04 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 08/15] virtio_blk: use bvec_virt Date: Wed, 4 Aug 2021 11:56:27 +0200 Message-Id: <20210804095634.460779-9-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use bvec_virt instead of open coding it. Signed-off-by: Christoph Hellwig Reviewed-by: Stefan Hajnoczi --- drivers/block/virtio_blk.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 4b49df2dfd23..767b4f72a54d 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -166,11 +166,8 @@ static inline void virtblk_request_done(struct request *req) { struct virtblk_req *vbr = blk_mq_rq_to_pdu(req); - if (req->rq_flags & RQF_SPECIAL_PAYLOAD) { - kfree(page_address(req->special_vec.bv_page) + - req->special_vec.bv_offset); - } - + if (req->rq_flags & RQF_SPECIAL_PAYLOAD) + kfree(bvec_virt(&req->special_vec)); blk_mq_end_request(req, virtblk_result(vbr)); } From patchwork Wed Aug 4 09:56:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 491722 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F17C9C432BE for ; Wed, 4 Aug 2021 10:06:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DBDA96023B for ; Wed, 4 Aug 2021 10:06:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237402AbhHDKG2 (ORCPT ); Wed, 4 Aug 2021 06:06:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50986 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235066AbhHDKG0 (ORCPT ); Wed, 4 Aug 2021 06:06:26 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4A3DC0613D5; Wed, 4 Aug 2021 03:06:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=MYjzWIN6XQEFICmldZLH3sdyvOqOWK9wZMA+6ihrUcA=; b=O7IBlhny6ifqtHjxI13sOJWXUs eeyTtmk4QewshMsEtOW3eNvrRQdNTcXOqBxV3+wJs6R9AS4qvUGsrAbhJOf5pIfAicSiQG7xPlYoE t+emk+wZ437kh/Dkf98G6hRKjtjigq73lKnJTtZVrWzzNyhvnyouHG6kCdQuqD4YYZ0AIOgCBLbif O8hVmpGx7+skcpmL0Q4/OraMOJuqr0hM3s6GRzB40hkeNoAwdK/wELmR3ASeiq4pCL6TaK3mp0BIF orbY/uIw8fuLR4GQAqS5iVsyFQ5ZJvfJ+12oftCbUxX0/Gj3WN49MT2HDXMh9xeeaimKyiag4GfBO nS8YaNXg==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDkP-005fZa-K7; Wed, 04 Aug 2021 10:03:49 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 09/15] bcache: use bvec_virt Date: Wed, 4 Aug 2021 11:56:28 +0200 Message-Id: <20210804095634.460779-10-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use bvec_virt instead of open coding it. Note that the existing code is fine despite ignoring bv_offset as the bio is known to contain exactly one page from the page allocator per bio_vec. Signed-off-by: Christoph Hellwig Reviewed-by: Coly Li --- drivers/md/bcache/btree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 183a58c89377..0595559de174 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -378,7 +378,7 @@ static void do_btree_node_write(struct btree *b) struct bvec_iter_all iter_all; bio_for_each_segment_all(bv, b->bio, iter_all) { - memcpy(page_address(bv->bv_page), addr, PAGE_SIZE); + memcpy(bvec_virt(bv), addr, PAGE_SIZE); addr += PAGE_SIZE; } From patchwork Wed Aug 4 09:56:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 492310 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 58228C4320E for ; Wed, 4 Aug 2021 10:06:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3AB8660BD3 for ; Wed, 4 Aug 2021 10:06:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237414AbhHDKHC (ORCPT ); Wed, 4 Aug 2021 06:07:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51108 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232707AbhHDKG7 (ORCPT ); Wed, 4 Aug 2021 06:06:59 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 61AB9C0613D5; Wed, 4 Aug 2021 03:06:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=dYcXyjvxFPaNEf5TNwLHSpdHad4RJoLUYH/Eh2LY224=; b=M53rJ+CQ8lQ4cD7WtCKS/GnMEp odCybjbHRrL6lXoV/C4xRLyzI3taQPoI5jeicWaJKCFztdZWjTcUyCISpGMaPta3MOa/dW3GPAJXi NZizDS/+2ezXcfB4Z5v0ipw/q8fzOnp+93V+AIQSmf+Um+lCBP3IQuVu9DH4qzGA4odDqxR6+Dbyq jbtPWT4pJbPEsvgX4jFyWinGFi+017VlG4xfdXAJqDMjWiB0Tewr9GBWCVI24qNaCZOnnXM5pag4g rZhKGgG18ckW2QamG0HaY188YH4xbwMuGQhuQRojd55CrYDHWEzPTM9PBroO1FVr7G6wqdCzH8FTF TxAjFTOQ==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDlD-005fg4-2r; Wed, 04 Aug 2021 10:04:34 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 10/15] sd: use bvec_virt Date: Wed, 4 Aug 2021 11:56:29 +0200 Message-Id: <20210804095634.460779-11-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use bvec_virt instead of open coding it. Signed-off-by: Christoph Hellwig Acked-by: Martin K. Petersen --- drivers/scsi/sd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index b8d55af763f9..5b5b8266e142 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -886,7 +886,7 @@ static blk_status_t sd_setup_unmap_cmnd(struct scsi_cmnd *cmd) cmd->cmnd[0] = UNMAP; cmd->cmnd[8] = 24; - buf = page_address(rq->special_vec.bv_page); + buf = bvec_virt(&rq->special_vec); put_unaligned_be16(6 + 16, &buf[0]); put_unaligned_be16(16, &buf[2]); put_unaligned_be64(lba, &buf[8]); From patchwork Wed Aug 4 09:56:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 491721 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9783EC41537 for ; Wed, 4 Aug 2021 10:07:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8518860FC4 for ; Wed, 4 Aug 2021 10:07:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237447AbhHDKHq (ORCPT ); Wed, 4 Aug 2021 06:07:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51264 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237281AbhHDKHg (ORCPT ); Wed, 4 Aug 2021 06:07:36 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E8219C061798; Wed, 4 Aug 2021 03:07:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=NZknjnxuRdtVbQDQYhSn8YTBpZ/TDM68s7+7a3SjKg0=; b=btczJd5QJxPrmePLIu+d3R+FxZ iP+SfhLRaRrUCwlvcXh6uqOXKqHWDqH+IS9T4Qr1c3Y3S5zGwPZuvTui5y1euzpNDTmFWZuRemdqz PNgBVV0qeCdgNBkm473GGvmEIjMhT/3eTMMMJd3gyghRK90WdcWMWwiSOzomnsUnqLz235mJAIKXg xQBi5388xGH/XQ1fLh82k3mCJ3JLqUErRqrn41ICzF8+Z001NhPZh567KvBZo+EHrbeVp7XYo2jAz 2Io/T7Mo6KNEag5y4PJfRwGSCnXSdGAYE6mzQ9DuGxwarjmBMxhWvYeh15e+JnfvyM32rPYPjokZ2 EBliTZcQ==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDly-005fn4-Il; Wed, 04 Aug 2021 10:05:46 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 11/15] ubd: use bvec_virt Date: Wed, 4 Aug 2021 11:56:30 +0200 Message-Id: <20210804095634.460779-12-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use bvec_virt instead of open coding it. Signed-off-by: Christoph Hellwig --- arch/um/drivers/ubd_kern.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index e497185dd393..cd9dc0556e91 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -1268,8 +1268,7 @@ static void ubd_map_req(struct ubd *dev, struct io_thread_req *io_req, rq_for_each_segment(bvec, req, iter) { BUG_ON(i >= io_req->desc_cnt); - io_req->io_desc[i].buffer = - page_address(bvec.bv_page) + bvec.bv_offset; + io_req->io_desc[i].buffer = bvec_virt(&bvec); io_req->io_desc[i].length = bvec.bv_len; i++; } From patchwork Wed Aug 4 09:56:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 492309 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 843C7C4338F for ; Wed, 4 Aug 2021 10:08:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 69B2C60F0F for ; Wed, 4 Aug 2021 10:08:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235066AbhHDKIj (ORCPT ); Wed, 4 Aug 2021 06:08:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51428 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237327AbhHDKIS (ORCPT ); Wed, 4 Aug 2021 06:08:18 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 69095C0613D5; Wed, 4 Aug 2021 03:08:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=oMvRWCLKrL+bowlss1NI78OonpPCjFhffGqbW1HL1dE=; b=PiGgligciY2JYE5SDrtu6obMwA JlTA6jTK8DsWt04NG7bvfXCd+jFrkLqFjyatUHoFYIHCjgKeYJHw3+FkCqJnEq1IM4m6SyvLHfIJB IRnccfp2CZ5McjKDNc9c7POb5ql3XzqYFBzggkxh/WzrVV8xKnQttPADvzjZVY/nRh6IDSsdELvrg a6ZMV56E6o35SIqhcJHlfw7iPo52vpVltSfZrzxDhEiyw0nqFlqT1n3kVZllZ4u4cF3qVZyWoOD/2 fgdrcUVO1Ri/vrLWCR+Aym2cAZN57zgC2UrwuLGhgZ/j39gtQYnEJWfxeU8NnOr37FNumoD4pKxGo Vjm7IimQ==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDmp-005fsd-4I; Wed, 04 Aug 2021 10:06:21 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 12/15] ps3vram: use bvec_virt Date: Wed, 4 Aug 2021 11:56:31 +0200 Message-Id: <20210804095634.460779-13-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use bvec_virt instead of open coding it. Signed-off-by: Christoph Hellwig --- drivers/block/ps3vram.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c index 7fbf469651c4..c7b19e128b03 100644 --- a/drivers/block/ps3vram.c +++ b/drivers/block/ps3vram.c @@ -541,7 +541,7 @@ static struct bio *ps3vram_do_bio(struct ps3_system_bus_device *dev, bio_for_each_segment(bvec, bio, iter) { /* PS3 is ppc64, so we don't handle highmem */ - char *ptr = page_address(bvec.bv_page) + bvec.bv_offset; + char *ptr = bvec_virt(&bvec); size_t len = bvec.bv_len, retlen; dev_dbg(&dev->core, " %s %zu bytes at offset %llu\n", op, From patchwork Wed Aug 4 09:56:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 491720 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 30E5FC432BE for ; Wed, 4 Aug 2021 10:09:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 16ABF60FC4 for ; Wed, 4 Aug 2021 10:09:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236649AbhHDKJd (ORCPT ); Wed, 4 Aug 2021 06:09:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51696 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237541AbhHDKJ1 (ORCPT ); Wed, 4 Aug 2021 06:09:27 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30B89C0613D5; Wed, 4 Aug 2021 03:09:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=wyyw2rjwpeKt+uQ2R+atw48w8P/AsLXlrqL/3XjtagU=; b=EmV6wYhTID92E2/QH8cEJm9OBH Yj11U/S2V0Hrv2p9BVSZFeXitTb/4GQ7dD/D85AjD12oMskgXdiP4UTkPDNvmOTruXevB/3R3nSZ3 Q+haEu1tvC6c0a2RDGO8xyaj051lbiurKpzRbbMn3Snroz16BZpMSCOm7RGagO6vfL+mVcAk3RTwR I9blmlHNhNUQq1N41qQctVMcMJ0hKF6KhRDZMCCDTBHzWWNRyyVonzvr50lKZkfdCE13ypvIIMafG CVvyuhuMkN3vOsN/B5JIsZEfY2jrK1qZlNwanH9pU2DzvavPYVrs1AhnJiXJy7bMx5XrD7KKwEG1j m/IVXkvQ==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDnR-005fxa-Fc; Wed, 04 Aug 2021 10:06:53 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 13/15] dasd: use bvec_virt Date: Wed, 4 Aug 2021 11:56:32 +0200 Message-Id: <20210804095634.460779-14-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use bvec_virt instead of open coding it. Signed-off-by: Christoph Hellwig --- drivers/s390/block/dasd_diag.c | 2 +- drivers/s390/block/dasd_eckd.c | 14 +++++++------- drivers/s390/block/dasd_fba.c | 4 ++-- 3 files changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index 6bb775236c16..db5987281010 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -552,7 +552,7 @@ static struct dasd_ccw_req *dasd_diag_build_cp(struct dasd_device *memdev, dbio = dreq->bio; recid = first_rec; rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); for (off = 0; off < bv.bv_len; off += blksize) { memset(dbio, 0, sizeof (struct dasd_diag_bio)); dbio->type = rw_cmd; diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 0de1a463c509..8610ea414322 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -3267,7 +3267,7 @@ static int dasd_eckd_ese_read(struct dasd_ccw_req *cqr, struct irb *irb) end_blk = (curr_trk + 1) * recs_per_trk; rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); for (off = 0; off < bv.bv_len; off += blksize) { if (first_blk + blk_count >= end_blk) { cqr->proc_bytes = blk_count * blksize; @@ -3999,7 +3999,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_single( last_rec - recid + 1, cmd, basedev, blksize); } rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); if (dasd_page_cache) { char *copy = kmem_cache_alloc(dasd_page_cache, GFP_DMA | __GFP_NOWARN); @@ -4166,7 +4166,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_cmd_track( idaw_dst = NULL; idaw_len = 0; rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); seg_len = bv.bv_len; while (seg_len) { if (new_track) { @@ -4509,7 +4509,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track( new_track = 1; recid = first_rec; rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); seg_len = bv.bv_len; while (seg_len) { if (new_track) { @@ -4542,7 +4542,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track( } } else { rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); last_tidaw = itcw_add_tidaw(itcw, 0x00, dst, bv.bv_len); if (IS_ERR(last_tidaw)) { @@ -4778,7 +4778,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_raw(struct dasd_device *startdev, idaws = idal_create_words(idaws, rawpadpage, PAGE_SIZE); } rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); seg_len = bv.bv_len; if (cmd == DASD_ECKD_CCW_READ_TRACK) memset(dst, 0, seg_len); @@ -4839,7 +4839,7 @@ dasd_eckd_free_cp(struct dasd_ccw_req *cqr, struct request *req) if (private->uses_cdl == 0 || recid > 2*blk_per_trk) ccw++; rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); for (off = 0; off < bv.bv_len; off += blksize) { /* Skip locate record. */ if (private->uses_cdl && recid <= 2*blk_per_trk) diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index 3ad319aee51e..e084f4dedddd 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -501,7 +501,7 @@ static struct dasd_ccw_req *dasd_fba_build_cp_regular( } recid = first_rec; rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); if (dasd_page_cache) { char *copy = kmem_cache_alloc(dasd_page_cache, GFP_DMA | __GFP_NOWARN); @@ -583,7 +583,7 @@ dasd_fba_free_cp(struct dasd_ccw_req *cqr, struct request *req) if (private->rdc_data.mode.bits.data_chain != 0) ccw++; rq_for_each_segment(bv, req, iter) { - dst = page_address(bv.bv_page) + bv.bv_offset; + dst = bvec_virt(&bv); for (off = 0; off < bv.bv_len; off += blksize) { /* Skip locate record. */ if (private->rdc_data.mode.bits.data_chain == 0) From patchwork Wed Aug 4 09:56:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 492308 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6722C432BE for ; Wed, 4 Aug 2021 10:10:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CF39061029 for ; Wed, 4 Aug 2021 10:10:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235694AbhHDKKO (ORCPT ); Wed, 4 Aug 2021 06:10:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51860 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236492AbhHDKKH (ORCPT ); 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Wed, 04 Aug 2021 10:07:32 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 14/15] dcssblk: use bvec_virt Date: Wed, 4 Aug 2021 11:56:33 +0200 Message-Id: <20210804095634.460779-15-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use bvec_virt instead of open coding it. Signed-off-by: Christoph Hellwig --- drivers/s390/block/dcssblk.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 29180bdf0977..5be3d1c39a78 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -892,8 +892,7 @@ dcssblk_submit_bio(struct bio *bio) index = (bio->bi_iter.bi_sector >> 3); bio_for_each_segment(bvec, bio, iter) { - page_addr = (unsigned long) - page_address(bvec.bv_page) + bvec.bv_offset; + page_addr = (unsigned long)bvec_virt(&bvec); source_addr = dev_info->start + (index<<12) + bytes_done; if (unlikely((page_addr & 4095) != 0) || (bvec.bv_len & 4095) != 0) // More paranoia. From patchwork Wed Aug 4 09:56:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 492307 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF615C432BE for ; Wed, 4 Aug 2021 10:12:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BB9CD60BD3 for ; Wed, 4 Aug 2021 10:12:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237044AbhHDKMS (ORCPT ); Wed, 4 Aug 2021 06:12:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52084 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237586AbhHDKLC (ORCPT ); Wed, 4 Aug 2021 06:11:02 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F5A3C0617A0; Wed, 4 Aug 2021 03:10:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=GMfM9EsZUBHncaik750rjQrck1K0EDt7Zyd8DyDsQR8=; b=tr+JWjNanWktxua2tu8KBEVQPM VyctgS15pe259rzKfF5Cnl9zsGOZwGuYm9KKXEG9KkVU/OXjXmoutUxD3KtVa1hc7sIzDOL0xBHg6 ouWKg49YE/w0a3I/5CyE5im2/IkgIt5h36qDG6iEVKLdm0bYYEaWZQNNpQ3/ly3BhHTT+VGChTRSA t1t4AV538fKbiuL2Yzgst/hi/JUFHCOzwHqdzg8ut46IDHJ3Z60UfyB0/ffmOuu7Ku3k+weyK559G 73X58xMPec7XJUSNLOyS/qJ7yYdzHQEljjfYG426vMaByMMBIZ1fvI2CSO1n9hwhGNLZQ/aY/Dvn+ uR6ZApew==; Received: from [2a02:1205:5023:1f80:c068:bd3d:78b3:7d37] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mBDoj-005g7I-Ho; Wed, 04 Aug 2021 10:08:23 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Anton Ivanov , Geoff Levand , Ilya Dryomov , Paolo Bonzini , Stefan Hajnoczi , Song Liu , Mike Snitzer , Coly Li , Stefan Haberland , Jan Hoeppner , "Martin K. Petersen" , Phillip Lougher , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-um@lists.infradead.org, ceph-devel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 15/15] nvme: use bvec_virt Date: Wed, 4 Aug 2021 11:56:34 +0200 Message-Id: <20210804095634.460779-16-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210804095634.460779-1-hch@lst.de> References: <20210804095634.460779-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use bvec_virt instead of open coding it. Signed-off-by: Christoph Hellwig --- drivers/nvme/host/core.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index dfd9dec0c1f6..02ce94b2906b 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -968,12 +968,11 @@ void nvme_cleanup_cmd(struct request *req) { if (req->rq_flags & RQF_SPECIAL_PAYLOAD) { struct nvme_ctrl *ctrl = nvme_req(req)->ctrl; - struct page *page = req->special_vec.bv_page; - if (page == ctrl->discard_page) + if (req->special_vec.bv_page == ctrl->discard_page) clear_bit_unlock(0, &ctrl->discard_page_busy); else - kfree(page_address(page) + req->special_vec.bv_offset); + kfree(bvec_virt(&req->special_vec)); } } EXPORT_SYMBOL_GPL(nvme_cleanup_cmd);