From patchwork Sun Feb 28 05:56:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108065 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 3F425C433E9 for ; Sun, 28 Feb 2021 05:58:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1440A64E4A for ; Sun, 28 Feb 2021 05:58:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230203AbhB1F6O (ORCPT ); Sun, 28 Feb 2021 00:58:14 -0500 Received: from esa6.hgst.iphmx.com ([216.71.154.45]:2436 "EHLO esa6.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230139AbhB1F6N (ORCPT ); Sun, 28 Feb 2021 00:58:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1614491893; x=1646027893; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=e+nCZClvPRWXeXByMdBarp3rVDLfZcc7xOm2J+buTHg=; b=FOfBhBBAvoALmRY9x/PCxHPgB5NgGtcwMMayN7LGbfqi6+Mh0Zivk2As keXgGWXRXNJSFPGd46XdxVZHgOimyq1dqfTMpTpUCZL6kvogMbycdlCDj G6qgQrAg+3W+AO6JoMawLT1YRN9Ygyca4V3SpkZDtwxfOEt+pz/XGwsm3 6BTqrUnD7PatW79JRiOV1/PumdUcRGkAbKa7aIrAMW0UdZcGl0jPvP50p V5ZxD2eA641CH/CZT2yRIeZTx7PE1qtYjtD0vP/29NjuqlRpqQ5b7rBRU C6ZcB7MZMglOao0TGLuAAFtYCgqqKW5bmnH82072ertH8i1xpJr5be66Y w==; IronPort-SDR: rA3YEqw0Kp4TAircqdl+RIx7mfVcHf60kBYg8MdxUjJ17mbr3OalJWtPfbrd+VV+Fq2zrN7SNx DWklshVyWH1Sd3+ZyAReVGyNQldJMYAqTxD9Yt8y75hzOB7/HTzKmshQpWWWDJGq3DKb5fL6ty Xl+AFQDzgJtlEu0AmKaiQyYi1Z9GBU1HLW/uVqFejEauKZJD420sTvWkZewHessbkh674OaKei 2gMCEk7K9oWGPwZGCknvOaf1GXI0extoX82CdPuJ4fMFk0pgUjX/j9IY2jhVEscJWY9rZSsAxX O0Y= X-IronPort-AV: E=Sophos;i="5.81,211,1610380800"; d="scan'208";a="162152791" Received: from h199-255-45-14.hgst.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 28 Feb 2021 13:57:03 +0800 IronPort-SDR: E6nY2IkZC+Sm4uDwlnX7hZp5OVcvDvx9Kcefv2yG/SUPbhc8KjnLxklklidtE2MaczgUxW6ED7 +EIFspYR4doWMDasrF5WM7ZPVkytiksq0Poahav64vNDzrwvj6RlSD8xa4JOxn3Hzwxyhuuoy/ QKt8YX/7p3Mk+TbdRdd2Lb5zFTktlxF+TFhxRKW7yj/PBg4h/RVIzoxUJdTqMx8KLRnWf+vjmo M5FB6GsTNmNmqyPImfP0OZeilooUvK6WtZOT8BrfRnOcVHVdsYq3eTvTSH/S7olQiCnhTryWuK NVxtjCDFa2EhE8v1a0M6bv3W Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2021 21:40:12 -0800 IronPort-SDR: Z8zPdriP7Z3VdhAVdEwYRzCO8QMsccu/21jBNytMY+0VpPxOCngV5z0ITQh58uDUJ+Yhwbt1Cx yZaPmOlIsvnlOjJqc3P3xcaHPugc+oOupuATF+gg/cPIoCc5Q4s/t/9hY9PlLiKuqKBOowKP6w R+qVH7Kugu4rr3zdivy5xFU/sEs8bIdCnWUeQXUN3Yb/g7H/HX3c1Qd5D+GuWY5vp35aQmvpNM /9R/MnmtuJo9aOaeAbLHAk1jFWEcES7N1bj2Ylae6plXfp+0kCxyem5iH16yL/XYBdDhCiUNVl WIg= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip01.wdc.com with ESMTP; 27 Feb 2021 21:57:02 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 01/23] target/iblock: remove an extra argument Date: Sat, 27 Feb 2021 21:56:23 -0800 Message-Id: <20210228055645.22253-2-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org The twp arguments to the functions op and opf which are REQ_OP_XXX and REQ_XXX flags belong to the two different namespaces, i.e. they can be combined safely given that REQ_OP_XXX takes 8bits of the flags and rest is available to REQ_XXX flags. Replace op and op_flag arguments with opf. Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_iblock.c | 34 ++++++++++++++--------------- 1 file changed, 17 insertions(+), 17 deletions(-) diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index ee3d52061281..04aeed6558d6 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -304,9 +304,8 @@ static void iblock_bio_done(struct bio *bio) iblock_complete_cmd(cmd); } -static struct bio * -iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num, int op, - int op_flags) +static struct bio *iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num, + unsigned int opf) { struct iblock_dev *ib_dev = IBLOCK_DEV(cmd->se_dev); struct bio *bio; @@ -326,7 +325,7 @@ iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num, int op, bio->bi_private = cmd; bio->bi_end_io = &iblock_bio_done; bio->bi_iter.bi_sector = lba; - bio_set_op_attrs(bio, op, op_flags); + bio->bi_opf = opf; return bio; } @@ -477,7 +476,7 @@ iblock_execute_write_same(struct se_cmd *cmd) goto fail; cmd->priv = ibr; - bio = iblock_get_bio(cmd, block_lba, 1, REQ_OP_WRITE, 0); + bio = iblock_get_bio(cmd, block_lba, 1, REQ_OP_WRITE); if (!bio) goto fail_free_ibr; @@ -490,8 +489,7 @@ iblock_execute_write_same(struct se_cmd *cmd) while (bio_add_page(bio, sg_page(sg), sg->length, sg->offset) != sg->length) { - bio = iblock_get_bio(cmd, block_lba, 1, REQ_OP_WRITE, - 0); + bio = iblock_get_bio(cmd, block_lba, 1, REQ_OP_WRITE); if (!bio) goto fail_put_bios; @@ -685,9 +683,11 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, struct bio_list list; struct scatterlist *sg; u32 sg_num = sgl_nents; + unsigned int opf; unsigned bio_cnt; - int i, rc, op, op_flags = 0; + int i, rc; struct sg_mapping_iter prot_miter; + unsigned int miter_dir; if (data_direction == DMA_TO_DEVICE) { struct iblock_dev *ib_dev = IBLOCK_DEV(dev); @@ -696,15 +696,17 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, * Force writethrough using REQ_FUA if a volatile write cache * is not enabled, or if initiator set the Force Unit Access bit. */ - op = REQ_OP_WRITE; + opf = REQ_OP_WRITE; + miter_dir = SG_MITER_TO_SG; if (test_bit(QUEUE_FLAG_FUA, &q->queue_flags)) { if (cmd->se_cmd_flags & SCF_FUA) - op_flags = REQ_FUA; + opf |= REQ_FUA; else if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags)) - op_flags = REQ_FUA; + opf |= REQ_FUA; } } else { - op = REQ_OP_READ; + opf = REQ_OP_READ; + miter_dir = SG_MITER_FROM_SG; } ibr = kzalloc(sizeof(struct iblock_req), GFP_KERNEL); @@ -718,7 +720,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, return 0; } - bio = iblock_get_bio(cmd, block_lba, sgl_nents, op, op_flags); + bio = iblock_get_bio(cmd, block_lba, sgl_nents, opf); if (!bio) goto fail_free_ibr; @@ -730,8 +732,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, if (cmd->prot_type && dev->dev_attrib.pi_prot_type) sg_miter_start(&prot_miter, cmd->t_prot_sg, cmd->t_prot_nents, - op == REQ_OP_READ ? SG_MITER_FROM_SG : - SG_MITER_TO_SG); + miter_dir); for_each_sg(sgl, sg, sgl_nents, i) { /* @@ -752,8 +753,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, bio_cnt = 0; } - bio = iblock_get_bio(cmd, block_lba, sg_num, op, - op_flags); + bio = iblock_get_bio(cmd, block_lba, sg_num, opf); if (!bio) goto fail_put_bios; From patchwork Sun Feb 28 05:56:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108067 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 25700C433E0 for ; Sun, 28 Feb 2021 05:58:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E4D0464D5D for ; Sun, 28 Feb 2021 05:58:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230209AbhB1F62 (ORCPT ); Sun, 28 Feb 2021 00:58:28 -0500 Received: from esa1.hgst.iphmx.com ([68.232.141.245]:1337 "EHLO esa1.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230139AbhB1F60 (ORCPT ); Sun, 28 Feb 2021 00:58:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1614491905; x=1646027905; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=aZzpH4veIJNQx/5JpuGiLxAKoVEslprxcHSo1AirYuI=; b=m6RTZ7G6K57rNTMvaINBznS5gEmjeyQYOdP7WkrYkmqxbwd7VhLWoFsc 6rdWbNB16VAHQVe4qrHsc+bQsY/j21qZ0FgFP8oMWppxxE9UIeJQe6EfN aPIpwY8sINs5xNQsgL0nWP2Qcyiqe+yUubjToW37UThv2BJAy8qjTUxSV sccaLSXOZJ0ddlrL04P/RkPPIWgBu/cZ5quNDqsHPpO5Z3LTY6I/9CjWs /MLigNYtSactpfDA1nx5gLr5twZ8nhzYLdOfh5XwN/jL/FKTAtEDmCiK8 eROPUezbh9MpIqZ2UlgRAOHfXE/C1Yy/qGFM6OPKUQObbgYWqlEs6Sdmh Q==; IronPort-SDR: 7wpjoZnW7ffI3S87aR/aOmgHsiVK0eYNxVz4Q1etfW9ceBMmm6noOO0pVcMrHtHW48NVRjBx9y lXFbDOjsr97EghQ/9+aj+HUqNbgY1ZWIfYmJsGeSyw5Qnpmh7aCNLiKx6i2USFouXye9DxI0V2 F97rMYPKZuKWCIcW3ygTxDdk5dNrLJTjmeGUAiEA2r4UQzglujn30JDdOActRwFacqFrWMMQhU sCiQwyXdM0eBuvQwNYgeSniYRBz9anFy1mnsAgZg10hcqsdVAcYNhwNYlVkKRCIp5TZtxcudUr Cik= X-IronPort-AV: E=Sophos;i="5.81,211,1610380800"; d="scan'208";a="271564047" Received: from h199-255-45-14.hgst.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 28 Feb 2021 13:57:11 +0800 IronPort-SDR: obsuZ4L2PX/kynHBar+9vvlKl28i+sW53pDBhB5eIscFYhqMyv8l2Gu6JT8zrJyxhGvLgLFRnd 0DRt4BEgxshT7D1jZZ0ElMxCK+pbJJz0q4XTLau8rvRlkxcgmaPfD4nKvkTyl8ZzaDBfbd2eth UnOoRo/VFqwCbu8bzKYeCIYrw0cY5Begm+0IrGIVjzatRhDdGLK+RTu1O4VRtTnoBnSYM54+yq DUYWXWNeeWZNQFnGO49t/eOAjaalxpoQIh5baWyqT9VtvAY/aaLpZL5+EqNFkZhKkV2QS/D7wz qTnEabNglrxp7mmPFsv0BOao Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2021 21:40:21 -0800 IronPort-SDR: Es3j4T7AdQ/ZbS26w/DXlNzOUZlLG0NKRZWwN2sSZ3G8GZMa6jwhxiIfUXvm1KsNfVd1uHYrnC Q5OJKYQoSrjbzPL/UqmvVhm5KxTbTnUazbkSkOFabvsv4vPoUY6rys7j75iL2vBHU4+tIFPvBA iYJLrgH9IxIK5SCwkuOOSPWZRmemaXodE/bo14EsMQLVXfS3eQnzHHsjLxcQYXxp743F8roePi WuZp7HWktVGo3q95ppt3Z+0yzVr82k4uX/aYXZbzJovnguO+2pmY2BZsiG5EaTPoErpSj7k9gh AS8= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip01.wdc.com with ESMTP; 27 Feb 2021 21:57:11 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 02/23] target/iblock: trim down line longer than 80 char Date: Sat, 27 Feb 2021 21:56:24 -0800 Message-Id: <20210228055645.22253-3-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Trim the lines that are longer than 80 char, which is inconsistent with the rest of the code. Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_iblock.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 04aeed6558d6..db9bd571acb1 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -813,7 +813,8 @@ static unsigned int iblock_get_lbppbe(struct se_device *dev) { struct iblock_dev *ib_dev = IBLOCK_DEV(dev); struct block_device *bd = ib_dev->ibd_bd; - int logs_per_phys = bdev_physical_block_size(bd) / bdev_logical_block_size(bd); + int logs_per_phys = + bdev_physical_block_size(bd) / bdev_logical_block_size(bd); return ilog2(logs_per_phys); } From patchwork Sun Feb 28 05:56:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108069 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 995A6C433E0 for ; Sun, 28 Feb 2021 05:58:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6493364D5D for ; Sun, 28 Feb 2021 05:58:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230008AbhB1F6v (ORCPT ); Sun, 28 Feb 2021 00:58:51 -0500 Received: from esa1.hgst.iphmx.com ([68.232.141.245]:1300 "EHLO esa1.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229477AbhB1F6l (ORCPT ); Sun, 28 Feb 2021 00:58:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1614491920; x=1646027920; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=kOFh94eLL2PIEwHWuY6WhNIsqglTKksaBtqtYDCeIPU=; b=Qaz85nd3KX06zLlL1f+8ioEBz1QtMR/JOiHuRvAYNe2+d8gks4Jrn+Tt +Gi9WKUKu1KimVDsYbZMjmlt4Dz3daHt7ULcyIwP3+hf226qG/yt4ejkO 5PzfKThMKVkQWhQ2K5M6DYQ6mWu3QjmPLnOklVdFfoE2MvIpOIicuKPzb lkySWnAPiNraA4XRB4v/FthPzAlidhUoSYG8DmzBhcWGhaNNFjE2WE8lF VwbQb5dpw8rPt2zdj8q8AAWKV91t3dS7QjvXWSYLB7SEdRY5Zss9L/6Bx Jk/FaBP5sB6HtWtrAI8e1KyOT3oBdIjTSsPbxgAHySI5FYj0SZM8waKKf g==; IronPort-SDR: fsFLjjgoiGUSGcsEzl7dJX3uy4EO//j5P3zx0HHn9mkIc+jCFP45+SGsWWWy4/hhPMrp2hI/h4 pQkVszqhidhWp9Zu4uefRV/0LcS8amLbbbxMLq9MyeUpyUXTer2FEYIbkSiyizqLWNoJ2xUzpm ipg8Jyj3vU2j7b/wTq2Idarzs3n6AIaBhDzXozK3SjjPgs+NO7ThjcbC0cX4sTHofVtKB5BcNI LQiCgE9d/Y1YvS9sfHTTgcmX1rN/3/JdHKqyEjr3As6V8H9luSgn1wLPZXG4bZBiMAN1GPUsfT ZFQ= X-IronPort-AV: E=Sophos;i="5.81,211,1610380800"; d="scan'208";a="271564052" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 28 Feb 2021 13:57:20 +0800 IronPort-SDR: 3zYS/Lkig+S/1524VljEmVyQfea7G6HzBVmBIPoT/84EnmWxD5ReJMoRGtHFdCDQa/UJ6sFJ2o gaTvd0o49HihU4aIytqOWbFY5zxcEO+3rppSaKmhIbY4+AzGocKFl5leecdiWq+RDHuyfbzlUq zO1uNFK2b1ubyeltKCZWt5RlAkhwu+Ijr3Ls1VGOSSs0KkdReQn+a6x888ghVSp0fXZtc9uGAF BHVWMpCkhFLyUxRszSZ/kLPbfROQYd3Ej6gOIlqD0DYtID2DCrELJmRvdN8AT4oVOQyq6dlvwe n3HhMoIl3J8ylWVF7kRVXRKj Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2021 21:38:38 -0800 IronPort-SDR: NXBoS63biWcrtsBBuMpu9e10llRkalqMFGsewdX6dVOL4yRFCIPNd5kLQMVCQyeY0WlJxqSxzZ YHDlt9E/HkoRNXS4+F+dRREk/wzBLdNR+TGE8zqevE/zGp6WUBQuYv+PL5dTk+QXMPKD0KA/hZ YU5N6s0dhLmmdhrrDCpHmad4bBI3Fz6XNvIJs9+uovE01u++yliOacocgtIjNqLn5r6V0oVTue twJlPU6f3bZd3go8j1Nb4Q/oN809Jl7czIXnaFTiGKZ8AnEyGt6dkAfzUhevQO3Lk5lL2zX0o+ EOM= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip01.wdc.com with ESMTP; 27 Feb 2021 21:57:20 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 03/23] target/iblock: fix the type of the logs_per_phys Date: Sat, 27 Feb 2021 21:56:25 -0800 Message-Id: <20210228055645.22253-4-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org According to the ilog2() it expects 32/64 bit unsigned value. "  147  * ilog2 - log base 2 of 32-bit or a 64-bit unsigned value" Replace the type of the logs_per_phys from int to unsigned int. Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_iblock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index db9bd571acb1..12999d39c398 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -813,7 +813,7 @@ static unsigned int iblock_get_lbppbe(struct se_device *dev) { struct iblock_dev *ib_dev = IBLOCK_DEV(dev); struct block_device *bd = ib_dev->ibd_bd; - int logs_per_phys = + unsigned int logs_per_phys = bdev_physical_block_size(bd) / bdev_logical_block_size(bd); return ilog2(logs_per_phys); From patchwork Sun Feb 28 05:56:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108071 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 D7154C433E6 for ; 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27 Feb 2021 21:40:46 -0800 IronPort-SDR: OqrDyhJXxB41kGAZRTjcHHoaEhgHapa7bxMVE4rA3Fl8yjSfG9sSLhVH8GgXUToV7L/3eYaZUP b4LaK25Fx4yRMa9X9Qqhbu1M1mX6bNWarNlumiUNXICsWWUTDKtmsMvj9/8F/h9AOXj5a864b6 w6tCiREjRmsk/5daTZP+FfTX3Zq2nkNjbDsbzvENS46Nl98sdM6Wdryzrewd2lVi1jxBDquLRy y2CEd4QWM1SJrHLukzfUxOaT/TxB7jpQUzEKd1jfiXo976qTRC21AXkwH1j8Y1kiGpvWGdvLyU lR0= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip01.wdc.com with ESMTP; 27 Feb 2021 21:57:35 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 04/23] targe/pscsi: fix the warning in pscsi_complete_cmd Date: Sat, 27 Feb 2021 21:56:26 -0800 Message-Id: <20210228055645.22253-5-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org This fixes the compilation warning in pscsi_complete_cmd():-     drivers/target/target_core_pscsi.c: In function ‘pscsi_complete_cmd’:     drivers/target/target_core_pscsi.c:624:5: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]          ; /* XXX: TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE */          ^ Signed-off-by: Chaitanya Kulkarni --- drivers/target/target_core_pscsi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 3cbc074992bc..689e503e3301 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -620,8 +620,9 @@ static void pscsi_complete_cmd(struct se_cmd *cmd, u8 scsi_status, unsigned char *buf; buf = transport_kmap_data_sg(cmd); - if (!buf) + if (!buf) { ; /* XXX: TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE */ + } if (cdb[0] == MODE_SENSE_10) { if (!(buf[3] & 0x80)) From patchwork Sun Feb 28 05:56:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108073 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 32B9CC433E6 for ; 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IronPort-SDR: u9hISYfxlNQPeWnKFTC2Hze3tQBCynLFYfiYQVEyxYrbeFPMuJmKot2lY0RE7NnfGuwGOoYXJa m1icBkAcxYmDxcJZaVn9PoIWGI8nnWq196SfhX8j5QEsTRa1wrA2GC8HJ3njWnRd8HR+Ohfe+Q SLqCmADJn5c793pz0LQ5/otv3sP1dkDkPh4uXnHIMmDw/przo3JHVTlsRena4yczO5XeWc2B+e nVBWrnWrf+07AH46bKd+CJC85Maa76eZN8nCT22Wp6kg+/YgkoNa3UreJfECzwbqn1wSG3TfbQ unA= X-IronPort-AV: E=Sophos;i="5.81,211,1610380800"; d="scan'208";a="265236069" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 28 Feb 2021 14:08:25 +0800 IronPort-SDR: tRiDzpDcaM/zQnYgH9FALCn0c/g+3x+jUpQJ7CLFSV1q3rgTUvB1uwgQ9l7WxXMkyrsOhOKBru OZD4vkte8fs3dmopYYsOnoQt/CxnwUUo/3JIPFKkk/JiOVbxs94ZsEhMhUwt3IGl5w3dynryc/ LbX1F0V+axJZ/1LIqYKzjGyx2ilBjpDz7NF/iW7Nm6X6VjnM+VLAZxatKZuv/PvGCz8J8odEaG 8/f0bBaCYgSOqS/X/5MAnffED8PyVa2YzEUIQUh75zI4UdakBosEfCs78Yeoj+PR9lJNLE5Hwb x1x9zqbI4gXuQDVorWh1yGjL Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2021 21:39:04 -0800 IronPort-SDR: eGGCpVsT61EQctc8HcH2EA0W4n2olUy+6TB5CstDgSTtVdhunrgtEaLj8ZHecB+WhQg+yGPZD6 udQ9tsBikPmPhxW1V5OCCA8n+Qa0fyX3h1TgBoV5Kn7Sf1SB9n/m51FfzhM0NrQeHCyHeh0r6a eDDxLRWgMkiouH2cvUiVCUFP9ROFzyZXKS2giit8evSRTTjL+k6XFp3W6mrGuf3O62r+ei2Det Po0THPfFu+1N4172aRlkOgfX2+vdQVzs30mSvMJ4JYhI4TtdAZNfKHV1Fu0qihQFhiRZ5VcHPo z14= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip01.wdc.com with ESMTP; 27 Feb 2021 21:57:45 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 05/23] target/sbc: get rid of the warning in cmp & write Date: Sat, 27 Feb 2021 21:56:27 -0800 Message-Id: <20210228055645.22253-6-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Rename the function local variable i -> sg_cnt so we can get rid of the shadow variable compilation warning:- drivers/target//target_core_sbc.c: In function ‘compare_and_write_do_cmp’: drivers/target//target_core_sbc.c:475:17: warning: declaration of ‘i’ shadows a previous local [-Wshadow]     unsigned int i;                  ^ drivers/target//target_core_sbc.c:451:6: note: shadowed declaration is here   int i;       ^ Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_sbc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index f7c527a826fd..7b07e557dc8d 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -448,7 +448,7 @@ compare_and_write_do_cmp(struct scatterlist *read_sgl, unsigned int read_nents, sense_reason_t ret; unsigned int offset; size_t rc; - int i; + int sg_cnt; buf = kzalloc(cmp_len, GFP_KERNEL); if (!buf) { @@ -467,7 +467,7 @@ compare_and_write_do_cmp(struct scatterlist *read_sgl, unsigned int read_nents, */ offset = 0; ret = TCM_NO_SENSE; - for_each_sg(read_sgl, sg, read_nents, i) { + for_each_sg(read_sgl, sg, read_nents, sg_cnt) { unsigned int len = min(sg->length, cmp_len); unsigned char *addr = kmap_atomic(sg_page(sg)); 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27 Feb 2021 21:57:59 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 06/23] target/pscsi: remove unsed macro ISPRINT Date: Sat, 27 Feb 2021 21:56:28 -0800 Message-Id: <20210228055645.22253-7-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Remove the unused macro that fixes the following compilation warning:- drivers/target//target_core_pscsi.c:37: warning: macro "ISPRINT" is not used [-Wunused-macros]  #define ISPRINT(a)  ((a >= ' ') && (a <= '~')) Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_pscsi.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 689e503e3301..7b1035e08419 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -34,8 +34,6 @@ #include "target_core_internal.h" #include "target_core_pscsi.h" -#define ISPRINT(a) ((a >= ' ') && (a <= '~')) - static inline struct pscsi_dev_virt *PSCSI_DEV(struct se_device *dev) { return container_of(dev, struct pscsi_dev_virt, dev); 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27 Feb 2021 21:58:08 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 07/23] target/stat: remove unsed macro ISPRINT Date: Sat, 27 Feb 2021 21:56:29 -0800 Message-Id: <20210228055645.22253-8-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Remove the unused macro that fixes the following compilation warning:- drivers/target//iscsi/iscsi_target_stat.c:36: warning: macro "ISPRINT" is not used [-Wunused-macros] #define ISPRINT(a)   ((a >= ' ') && (a <= '~')) Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_stat.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/target/target_core_stat.c b/drivers/target/target_core_stat.c index 237309db4b33..2d2c7e377722 100644 --- a/drivers/target/target_core_stat.c +++ b/drivers/target/target_core_stat.c @@ -32,7 +32,6 @@ #endif #define NONE "None" -#define ISPRINT(a) ((a >= ' ') && (a <= '~')) #define SCSI_LU_INDEX 1 #define LU_COUNT 1 From patchwork Sun Feb 28 05:56:30 2021 Content-Type: text/plain; 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27 Feb 2021 21:58:17 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 08/23] target/stat: remove unsed macro NONE Date: Sat, 27 Feb 2021 21:56:30 -0800 Message-Id: <20210228055645.22253-9-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Remove the unused macro that fixes the following compilation warning:- drivers/target//target_core_stat.c:34: warning: macro "NONE" is not used [-Wunused-macros] #define NONE  "None" Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_stat.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/target/target_core_stat.c b/drivers/target/target_core_stat.c index 2d2c7e377722..62d15bcc3d93 100644 --- a/drivers/target/target_core_stat.c +++ b/drivers/target/target_core_stat.c @@ -31,8 +31,6 @@ #define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ)) #endif -#define NONE "None" - #define SCSI_LU_INDEX 1 #define LU_COUNT 1 From patchwork Sun Feb 28 05:56:31 2021 Content-Type: text/plain; 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27 Feb 2021 21:58:23 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 09/23] target/stat: remove unsed macro Date: Sat, 27 Feb 2021 21:56:31 -0800 Message-Id: <20210228055645.22253-10-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Remove the unused macro that fixes the following compilation warning:- drivers/target//iscsi/iscsi_target_stat.c:31: warning: macro "ISCSI_INST_LAST_FAILURE_TYPE" is not used [-Wunused-macros] #define ISCSI_INST_LAST_FAILURE_TYPE 0 Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/iscsi/iscsi_target_stat.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/target/iscsi/iscsi_target_stat.c b/drivers/target/iscsi/iscsi_target_stat.c index 35e75a3569c9..cce3a827059e 100644 --- a/drivers/target/iscsi/iscsi_target_stat.c +++ b/drivers/target/iscsi/iscsi_target_stat.c @@ -28,7 +28,6 @@ /* Instance Attributes Table */ #define ISCSI_INST_NUM_NODES 1 #define ISCSI_INST_DESCR "Storage Engine Target" -#define ISCSI_INST_LAST_FAILURE_TYPE 0 #define ISCSI_DISCONTINUITY_TIME 0 #define ISCSI_NODE_INDEX 1 From patchwork Sun Feb 28 05:56:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108081 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 C4710C433E6 for ; Sun, 28 Feb 2021 05:59:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 822AE64E4A for ; Sun, 28 Feb 2021 05:59:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230190AbhB1F7q (ORCPT ); Sun, 28 Feb 2021 00:59:46 -0500 Received: from esa6.hgst.iphmx.com ([216.71.154.45]:2540 "EHLO esa6.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230232AbhB1F7n (ORCPT ); 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27 Feb 2021 21:58:30 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 10/23] target/iscsi: remove unsed macro TEXT_LEN Date: Sat, 27 Feb 2021 21:56:32 -0800 Message-Id: <20210228055645.22253-11-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Remove the unused macro that fixes the following compilation warning:- drivers/target//iscsi/iscsi_target_nego.c:31: warning: macro "TEXT_LEN" is not used [-Wunused-macros] #define TEXT_LEN 4096 Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/iscsi/iscsi_target_nego.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index 8b40f10976ff..151e2949bb75 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -28,7 +28,6 @@ #include "iscsi_target_auth.h" #define MAX_LOGIN_PDUS 7 -#define TEXT_LEN 4096 void convert_null_to_semi(char *buf, int len) { From patchwork Sun Feb 28 05:56:33 2021 Content-Type: text/plain; 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27 Feb 2021 21:58:37 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 11/23] target/iscsi: remove unsed macro PRINT_BUF Date: Sat, 27 Feb 2021 21:56:33 -0800 Message-Id: <20210228055645.22253-12-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Remove the unused macro that fixes the following compilation warning:- drivers/target//iscsi/iscsi_target_util.c:31: warning: macro "PRINT_BUFF" is not used [-Wunused-macros] #define PRINT_BUFF(buff, len)     \ Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/iscsi/iscsi_target_util.c | 17 ----------------- 1 file changed, 17 deletions(-) diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index 9468b017b4a7..6dd5810e2af1 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -28,23 +28,6 @@ #include "iscsi_target_util.h" #include "iscsi_target.h" -#define PRINT_BUFF(buff, len) \ -{ \ - int zzz; \ - \ - pr_debug("%d:\n", __LINE__); \ - for (zzz = 0; zzz < len; zzz++) { \ - if (zzz % 16 == 0) { \ - if (zzz) \ - pr_debug("\n"); \ - pr_debug("%4i: ", zzz); \ - } \ - pr_debug("%02x ", (unsigned char) (buff)[zzz]); \ - } \ - if ((len + 1) % 16) \ - pr_debug("\n"); \ -} - extern struct list_head g_tiqn_list; extern spinlock_t tiqn_lock; From patchwork Sun Feb 28 05:56:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108085 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 750FBC433E0 for ; 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27 Feb 2021 21:40:05 -0800 IronPort-SDR: mPJJyq0aBsbsbuh1AqP7rtu1M/g+jB0syfjksUEaZ9/6wOR+FcZFn4rnYgCZA8bFIp43NOiuYQ YJ82RTp67xt5cZQCH9My5pZB+yVc7jID/uzII1wtbdLZKD+zDUGdGETkgIF110VOBAdlESGaPQ 5DnyFLy84m0kkxWvFrlgm7V1YTT03i8m/QdaOgoL4ljd2LviM0/2C/a0FlQhBOTyvkiEKk0mTC AvgCZAL4PA6ZHR9Iwne37nADzLg2S8/99YiyAh7wHcfRcFL+uJx0jyJaMlOqbqjbi3U9j0PXYf /kA= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip01.wdc.com with ESMTP; 27 Feb 2021 21:58:46 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 12/23] target/iscsi: remove the memset with declare-init Date: Sat, 27 Feb 2021 21:56:34 -0800 Message-Id: <20210228055645.22253-13-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Instead of initializing the array with memset, use declare init pattern that is present under the kernel tree in other drivers so we can remove the memset call. Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/iscsi/iscsi_target_configfs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index 0fa1d57b26fa..f4a24fa5058e 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -161,14 +161,13 @@ static struct se_tpg_np *lio_target_call_addnptotpg( char *str, *str2, *ip_str, *port_str; struct sockaddr_storage sockaddr = { }; int ret; - char buf[MAX_PORTAL_LEN + 1]; + char buf[MAX_PORTAL_LEN + 1] = { }; if (strlen(name) > MAX_PORTAL_LEN) { pr_err("strlen(name): %d exceeds MAX_PORTAL_LEN: %d\n", (int)strlen(name), MAX_PORTAL_LEN); return ERR_PTR(-EOVERFLOW); } - memset(buf, 0, MAX_PORTAL_LEN + 1); snprintf(buf, MAX_PORTAL_LEN + 1, "%s", name); str = strstr(buf, "["); From patchwork Sun Feb 28 05:56:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108087 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 B2632C433DB for ; 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IronPort-SDR: nvWrtM774bqnhVdGx5shrf4E/55+vWd1G3HK87SPj8FDaLdjBiLnvLMtvOZVP34hJEAD6xOxfe qiC5p4anJm/pWdo8v9yle4QLyKCKzXsqFictUDh1uOgymn9dwibhYmBMMxOKQSZSJSuNbecF/6 uN7Ikfb8n6hsoqKPxjXDNoVOr1K7QFvg04JgEVwGE+uDvcRvXkrS+Ce4SHAIM8bqzIpovjIrA6 b15BY9MU98W5hNa5Rxpr9QMGKnKVJo8FZ20vW+NWs52BD/aj98KASAbpZULlGG9uzJqMRsYDhB Zi8= X-IronPort-AV: E=Sophos;i="5.81,211,1610380800"; d="scan'208";a="162152839" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 28 Feb 2021 13:58:55 +0800 IronPort-SDR: 76UZGPDJYsRi8ta8zoZrJANFoBCSM2GCbvMuENzmKMqIT1SZq/OlAvHNaEr4FRj0vMX0+YCEKI lE/eLbpCuCngY/AmQZOPGPSnYuyObZCNUGJIUgW6cl8R/FxD+1hmFhSObWzVyRXu/6FfexXjCg dJWeETzmnmZAClflMMfyDqbSRaaiYv3xCVhZlzl44x4/FnY958d4kAKTIA9rFXztYzdS5hPuVM mTd5dXHvk3l8aab6zfVDIRVSQD9KH2eIv8luVXB55dLum4R0bXr+qSgi9q2vQKcpOKz/kGxq47 KtmuvhSMq5PK7ojPglRFNiDk Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 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Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_configfs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index f04352285155..56ea47f5cda9 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -1494,7 +1494,7 @@ static ssize_t target_wwn_vpd_unit_serial_store(struct config_item *item, { struct t10_wwn *t10_wwn = to_t10_wwn(item); struct se_device *dev = t10_wwn->t10_dev; - unsigned char buf[INQUIRY_VPD_SERIAL_LEN]; + unsigned char buf[INQUIRY_VPD_SERIAL_LEN] = { }; /* * If Linux/SCSI subsystem_api_t plugin got a VPD Unit Serial @@ -1536,7 +1536,6 @@ static ssize_t target_wwn_vpd_unit_serial_store(struct config_item *item, * Also, strip any newline added from the userspace * echo $UUID > $TARGET/$HBA/$STORAGE_OBJECT/wwn/vpd_unit_serial */ - memset(buf, 0, INQUIRY_VPD_SERIAL_LEN); snprintf(buf, INQUIRY_VPD_SERIAL_LEN, "%s", page); snprintf(dev->t10_wwn.unit_serial, INQUIRY_VPD_SERIAL_LEN, "%s", strstrip(buf)); From patchwork Sun Feb 28 05:56:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108089 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 7F42EC433DB for ; Sun, 28 Feb 2021 06:00:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 543A464E4A for ; 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IronPort-SDR: M499dDfj3zTnC94vgio5sYXiOT9f4RhhQ3P5Wk+Pd6H5MxKk1TsgPthPb1Q+CEwj0oWX3dw8Ns DosdUvlOe6mH6oLAElNTH7r3r91DsciHNlQVLu0zIYPg8PQobQl5GTJ3YyOfYXgyY1gBIIpCXR +F2EoPLnMmjCwlvYH5tqCmNdrfANi17Y4LEBAGDDuww1cPC5QillhQiPKSmVHwcCtB8j76ZT09 9107cTDQVGAyQEV5+psgGjKY3sb39EKmMes1puY9qG3JsXBvRLlLxvv11TxU85G0GoIK/4Krkk GZY= X-IronPort-AV: E=Sophos;i="5.81,211,1610380800"; d="scan'208";a="160972989" Received: from h199-255-45-15.hgst.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 28 Feb 2021 13:59:00 +0800 IronPort-SDR: A2M3b2nAMe+Sa/gzZ5xD4yGLc1FvNm6Ay78i+a1Yu+FzUZAh4GYZMkxf1yEzaWY/CzrBWbxAFP OpZ0sDqkaTWldJFJ2DYHKedaRHY+ke1SJR7nQxFLX9bFAC86cY3z78nFUKk+eFemN6pQJgpvnY tEWXcO2/FngcPFd0eZnGbkqwweq6R2pELPh7wcHkgASDRG6oVPuBvdINdMj42vzdvQgG+hhroi 35ksoQJaXn7DUzSz5/OP7m5Mr7Je/RGOg/8/jmSHT4GJtY1W/PHlrnV9Oq/dGr8an2MnJTINle IyeA4py5FCzEIeIqSagZ2EkU Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2021 21:40:19 -0800 IronPort-SDR: ABHSs0K3IQ21uuNGTt0AqIeTiU0cshomPFgiSn7AvLgLPu8Plz1B3DxRkrjwqlnj394/0isRfW Xdku9QkzodfKsmRHRmyiJOgamSxqKu4GmMCjdzl3LLFYug44GQRNajHHlX3Fe9z692PUZkrI6A +2hlgdaHYjYmCTnrsmxpAH8w0F63SheTDuR1PpXWfexSTsaA+6UrMzlRhHH0wAyTmjadls96oB hcVOr3T10q666TAdmeifCd+IfNyY40/Z6EFpGk442i9TDrMo/zJFTA38zVGsuwezf90NO/TPun Cbw= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip01.wdc.com with ESMTP; 27 Feb 2021 21:59:00 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 14/23] target/configfs: remove the memset with declare-init Date: Sat, 27 Feb 2021 21:56:36 -0800 Message-Id: <20210228055645.22253-15-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Instead of initializing the array with memset, use declare init pattern that is present under the kernel tree in other drivers so we can remove the memset call. Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_configfs.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 56ea47f5cda9..4c60334a1e9f 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -1555,11 +1555,9 @@ static ssize_t target_wwn_vpd_protocol_identifier_show(struct config_item *item, { struct t10_wwn *t10_wwn = to_t10_wwn(item); struct t10_vpd *vpd; - unsigned char buf[VPD_TMP_BUF_SIZE]; + unsigned char buf[VPD_TMP_BUF_SIZE] = { }; ssize_t len = 0; - memset(buf, 0, VPD_TMP_BUF_SIZE); - spin_lock(&t10_wwn->t10_vpd_lock); list_for_each_entry(vpd, &t10_wwn->t10_vpd_list, vpd_list) { if (!vpd->protocol_identifier_set) From patchwork Sun Feb 28 05:56:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108099 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 E80FBC433E0 for ; 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IronPort-SDR: YjztxMNDfgLOBpO31GV8qMlxErYP8DWIo4gb0igegenSQweY+FO3AzHkYt+V/i/1+KRwl6Wh2V lAP8pRsqbYxdgXeKjXgsIj5VSoykjsRcV440xm6gB1YyxG11AL3JwtKv9inP/76U4VzafiEWDX ypVUUmwyNOE4PpEZOav538Tgo9TZRNhNWlDiAyj2CJJW9qxdwDQxBDS7rJhKWGmeNDAroOGYCN dLjWUBy0qmDt/G2wDzwbTmiX1ANflkl09tVnqtmkqMF+xPNlF5/2NrKulDHe7FFLvfVX+sj6ad 89E= X-IronPort-AV: E=Sophos;i="5.81,211,1610380800"; d="scan'208";a="160972997" Received: from h199-255-45-15.hgst.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 28 Feb 2021 13:59:09 +0800 IronPort-SDR: +LxA4Iq0a6qVmcu1LyEan6GBB/HYWExt9bxCJ4T7YA4TDkADtZr/TTxuQYCL7iC/BIrau1D+FG Bg1Ek2qc946xQ2P4N2Ddt1cOlAJ+0dHy0yrsQvRmO2zduPIHkHkQt3stoit4wswvd8cz0w12rX 84SNxcA2goMmHV3+3fEdrS/tAdXLUWMh0uyEFtosiokYqPO7ydlP8X+ExFrTMCcFsgfqQ3Xcz/ jmWGEeTOycICO8qfJpG9tnGTxCIX47J3jmSfYVZUlOoIqtCNkkURGLO4ktMJdbTDSlbxpa4nF4 A95/TyjRa+kuARSwAG3x0EVe Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 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Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_configfs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 4c60334a1e9f..315791b5554a 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -2283,7 +2283,7 @@ static ssize_t target_dev_alua_lu_gp_store(struct config_item *item, struct se_hba *hba = dev->se_hba; struct t10_alua_lu_gp *lu_gp = NULL, *lu_gp_new = NULL; struct t10_alua_lu_gp_member *lu_gp_mem; - unsigned char buf[LU_GROUP_NAME_BUF]; + unsigned char buf[LU_GROUP_NAME_BUF] = { }; int move = 0; lu_gp_mem = dev->dev_alua_lu_gp_mem; @@ -2294,7 +2294,6 @@ static ssize_t target_dev_alua_lu_gp_store(struct config_item *item, pr_err("ALUA LU Group Alias too large!\n"); return -EINVAL; } - memset(buf, 0, LU_GROUP_NAME_BUF); memcpy(buf, page, count); /* * Any ALUA logical unit alias besides "NULL" means we will be From patchwork Sun Feb 28 05:56:38 2021 Content-Type: text/plain; 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27 Feb 2021 21:59:15 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 16/23] target/configfs: remove the memset with declare-init Date: Sat, 27 Feb 2021 21:56:38 -0800 Message-Id: <20210228055645.22253-17-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Instead of initializing the array with memset, use declare init pattern that is present under the kernel tree in other drivers so we can remove the memset call. Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_configfs.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 315791b5554a..ca5b083d2958 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -1660,9 +1660,7 @@ static ssize_t target_core_dev_pr_show_spc3_res(struct se_device *dev, { struct se_node_acl *se_nacl; struct t10_pr_registration *pr_reg; - char i_buf[PR_REG_ISID_ID_LEN]; - - memset(i_buf, 0, PR_REG_ISID_ID_LEN); + char i_buf[PR_REG_ISID_ID_LEN] = { }; pr_reg = dev->dev_pr_res_holder; if (!pr_reg) From patchwork Sun Feb 28 05:56:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108097 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 C0276C433DB for ; Sun, 28 Feb 2021 06:00:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9670364E54 for ; Sun, 28 Feb 2021 06:00:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230090AbhB1GAh (ORCPT ); Sun, 28 Feb 2021 01:00:37 -0500 Received: from esa3.hgst.iphmx.com ([216.71.153.141]:18184 "EHLO esa3.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230282AbhB1GAd (ORCPT ); Sun, 28 Feb 2021 01:00:33 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1614492032; x=1646028032; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=+jBH3B9Q6pKVBaot5iX6d5s0M0bipagzFsfwsamEsDc=; b=n9i7yDlz6q6UIG73+8kNHVnH0k0mo00zn7702v/4X7Y6Kf4bRY7y/Kt0 r3mN9fKabp1P1tGQzfbDE9Dvj7FZymyNSyAZA7Gq8PS8DU776BoSFPZO9 Lcrwlumy+qwp8ByV7OigCgQ7HwuMLoXneL6OYVRdVbpLoxJic6poZCg73 lflmeN8/k2DltEV9pYnMkADqjfeVXdeEl6XrYoQpymRpoAsJqRSLWZJQd +uvfH9ZcTJxsTFeOmgQuiFtycKfExDKH0aXCCPqdbofqd7jR3UWlu7SC7 NQ3WN8XlAnjQIJ/QXBLz4jbwOuWhMrzzgxu1lAY0bo6rlVtVpT5y/OZzc g==; IronPort-SDR: fhPe+NGfsvL5Mv5CleOTYciBvNPqedGQrn5hvbmKgBQh5lVCTBD0R3WenIraIRwwn4iwGworfG GFHCKM2zLz3pol/jjn+zgxNe9Ygb13OKwWXxEe/W9YqIjuYAjfAqtXV/qZLDzP0SeZNOc2Fpwx Ty7dYhnvP9JrzVvKul9jLSelTDFNsc4tPXIi2bvOgUubTDrXda0KVgTQwA7I34vX9npoDFf5m/ 0tFpJ2Ym3WyAegfIwFat5vh+aPt90oWHpkUx4/8p/d+Bc60fcHX6Q1VIP2bItUccJkG8VnWjjg GrE= X-IronPort-AV: E=Sophos;i="5.81,211,1610380800"; d="scan'208";a="165466175" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 28 Feb 2021 13:59:27 +0800 IronPort-SDR: A77fSMUn9ccD3QB3jTi5SoUpB4zMII5ziS6WVXKYJHHBbbaUHBHs2i0eWzFeuGRxHnf8bTUMUD 6RlOWSWHTIEeh4IFPidexfWxeRJA8stoJ1rD2VSablrJuNTxPwspOUO0Ih2ATHSpD8xb3qVV73 5wt1nbQ4ii2y/kMv9mMv3jJANYXkLay52ZaeEB8i9u+591/SLy/n8dmv39Be3yKX4/RHLruCuM +JzCNngEtMmq9ghHj8t7B3tFVSRHy7YdDdQipZHvQBAi61OE0Pk7JTQht8jsIIN8abNtt4iuF9 Ypv6FZT6qiYKgoH0H/eibFKg Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2021 21:40:46 -0800 IronPort-SDR: UunuyBAsdL1uuIPhzM9KiEkV8SxB3D4QGxm9ibJ5BzxqqzQmaUl3d5c4y99zb8dte/QBnUrvyJ JBAA+bBu/9rvIUvdBaykVk3u+sGCMnMZVwRBcbCeWt+kqJJ9WbrjqiuCsaHNpCqt2m7zfLCljJ PdNP5CQMr3m+BENPDe8NmTIk2sP4kM400zj0hphqjbD/zcip/519Uk4KdH/0yCx3jbAolRb6i9 U81ST/Wmy51dV6mKKwfBkey8EwGdc+aB23CFF59RUGVJHiT9O9jW7CdQPgTdEyIGyZcdpqI+BS wF4= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip01.wdc.com with ESMTP; 27 Feb 2021 21:59:27 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 17/23] target/configfs: remove the memset with declare-init Date: Sat, 27 Feb 2021 21:56:39 -0800 Message-Id: <20210228055645.22253-18-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Instead of initializing the array with memset, use declare init pattern that is present under the kernel tree in other drivers so we can remove the memset call. Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_configfs.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index ca5b083d2958..0ec9fe1ebade 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -2609,9 +2609,7 @@ static ssize_t target_lu_gp_members_show(struct config_item *item, char *page) struct se_hba *hba; struct t10_alua_lu_gp_member *lu_gp_mem; ssize_t len = 0, cur_len; - unsigned char buf[LU_GROUP_NAME_BUF]; - - memset(buf, 0, LU_GROUP_NAME_BUF); + unsigned char buf[LU_GROUP_NAME_BUF] = { }; spin_lock(&lu_gp->lu_gp_lock); list_for_each_entry(lu_gp_mem, &lu_gp->lu_gp_mem_list, lu_gp_mem_list) { From patchwork Sun Feb 28 05:56:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108095 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 65061C433E0 for ; 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IronPort-SDR: NYWSrsjH1UNFYIi81sZWI/ZjWyu+5ZRDQXtIzwxmzO3O4oH56GEO2CyA8T0at2VLZ8pjDOeair 4nsuK9yUnsGfvPXuhoU0gLF+/Qjw2zvjmKOxNq50o8Ocx2nXfNxlBw/8HO9TRf1Wh6aQv4ZHjt p+b5DDN+kng1IbAO0rttLEAy7ChRgMmGUEJx7V6b0sYhUC+V6Q2jsTQGZp8d5xkP79ubsdHsZo L60/2YTOZnMbzNyn8htAN88aRH2IKiox8v79rc+XKKdERSekgvtyhQZNjLKg3mw+iuWscL6uiF kz4= X-IronPort-AV: E=Sophos;i="5.81,211,1610380800"; d="scan'208";a="265236161" Received: from h199-255-45-14.hgst.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 28 Feb 2021 14:11:26 +0800 IronPort-SDR: cNNKsrMHh9GjKdozlC596EKftgXv3wNHJm7K82MPl8XqnuWr59BGxXoqB2VtedGwskkORXow4N pIs8I0K9O+ljMHYG3IRTNRgD58aTrEgu57bNXYJpSJvPsFwmq5+f/8RjfG4g7QDh/YlWJYezYO y7+Q+GZt00X8+ihwxWXscu0yT2EIZxdHxMB/bkYZ4xlE+ZjLT5xBSbUVGEANYB7w+lVEAFKh6B otWvXyp43D1wCC7qw/1U/n0xf7jh/SHUa+SaxjfVgNBEw4WyWKYmQv+jOyCln7OYOMqGRhodI8 wWpKNlebkMB6OTEpXi/iovO0 Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 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Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_configfs.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 0ec9fe1ebade..d6554468ef65 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -3012,9 +3012,7 @@ static ssize_t target_tg_pt_gp_members_show(struct config_item *item, struct t10_alua_tg_pt_gp *tg_pt_gp = to_tg_pt_gp(item); struct se_lun *lun; ssize_t len = 0, cur_len; - unsigned char buf[TG_PT_GROUP_NAME_BUF]; - - memset(buf, 0, TG_PT_GROUP_NAME_BUF); + unsigned char buf[TG_PT_GROUP_NAME_BUF] = { }; spin_lock(&tg_pt_gp->tg_pt_gp_lock); list_for_each_entry(lun, &tg_pt_gp->tg_pt_gp_lun_list, From patchwork Sun Feb 28 05:56:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108103 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 E11E6C433E6 for ; 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IronPort-SDR: rZ8NYANNBtz47ya8W2EfC3mqe/XwLdLVJGyzxA09Hzy1faDEgkCejUZY5ZGQ2/F8HN3G8Va+l1 uivVaZBq2g1tJWtfMqnNNMuy3na+2irW3IZHFGNk5GXD/xvo7/wsdm7jEu+CP/jTlBHvO/GsER IIezdXBMDX+THSgcfWWVSozyun4YZ+s98mmDSISRIssTu9lAKo1ARUAKczFnTGNxHg/ake3sbT c9thirQrcmAZMBq0KcMBBbamfkwagCsbWdEmY58F61WdGYrQuQIsaag/Xw9GbVgdtUUyw6WPJ6 z9U= X-IronPort-AV: E=Sophos;i="5.81,211,1610380800"; d="scan'208";a="271564157" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 28 Feb 2021 13:59:55 +0800 IronPort-SDR: /dzT1vWvnsw8QgFFH2Uzz6cx9tvpXeGTnPRE7bCmWPmwDkT8aeKTkl9Nrbh8t+DtCCSRFs4jF8 HVsz2gTBMkzf5/oQtwYL6+vN1TUxtNUtKv7Yq2ZAwIXIzZaeNgZ5gv3s0U6vqgViyifqkm+pkt ZBg4W/hxBlgB01AQ8THTB3Z8w0cN2asPEVUNcf9Tkid03HxoI03apIQozeDfzPYGqK48mzMQ+q kYaizZNkJrwddJarYlK1xp2h9CBQSBXZCuuglbbiZJwANLvzVXrpKtamEGQMG4bvNHBiAla3Hj quznifBGdsLEDxjd2C8z8rfR Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2021 21:41:13 -0800 IronPort-SDR: nph52jcAk2WvGgXmmuguTs4rozAIt1x1piyNM+/Q76++gzd1dZyXTAGe/oZNCGiawkmf/UhoM0 wIMJ6gzEslwWgdSG8Qfa/CAWtJlCxz046C7k+07zf3h+rCCS8XljsxXOTCqItJJzZgJdNP/9gp xlVCHp0x9tkdRzyhXFlcO2q3JLOaQQ/VnAZMDZUzh28GkCqWtCEtQpFE66afDxFZptaGORgfx8 ujDZkhgq9p88ix0QfhRUQv2MlbPEjnyDekrIxNVPRqQOCHV7R+4J8Zz88henmd6yNfUuN255AD 4Ak= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip01.wdc.com with ESMTP; 27 Feb 2021 21:59:55 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 19/23] target/configfs: remove the memset with declare-init Date: Sat, 27 Feb 2021 21:56:41 -0800 Message-Id: <20210228055645.22253-20-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Instead of initializing the array with memset, use declare init pattern that is present under the kernel tree in other drivers so we can remove the memset call. Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_configfs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index d6554468ef65..9cb1ca8421c8 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -3399,11 +3399,10 @@ static struct config_group *target_core_call_addhbatotarget( { char *se_plugin_str, *str, *str2; struct se_hba *hba; - char buf[TARGET_CORE_NAME_MAX_LEN]; + char buf[TARGET_CORE_NAME_MAX_LEN] = { }; unsigned long plugin_dep_id = 0; int ret; - memset(buf, 0, TARGET_CORE_NAME_MAX_LEN); if (strlen(name) >= TARGET_CORE_NAME_MAX_LEN) { pr_err("Passed *name strlen(): %d exceeds" " TARGET_CORE_NAME_MAX_LEN: %d\n", (int)strlen(name), From patchwork Sun Feb 28 05:56:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108101 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 99C0BC433DB for ; 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IronPort-SDR: 6s/GT+EFR0Uermz3L7u3wM03RFGHJQ6hsOsbNOglKwPbu/Iyl35RedzBYh6jgF9aRDfLgNNrMG kJdg18v0oOHCwo+AmDDgDLOxu0gBkp7jmTZMceZTicZZkCrf6XMf1iszk0hf71u6kH0XZNhFLW gCSRc8wvhO/1lu+US+5Kzzh784iWFDg8jI9wO8w/IqJHoAjYu1IRycOb/cSiKRrlbDJ/b+FNMc 5snFEuCGVoTn6B5vIb+Q4pYemotBnsRewo9MXBQd6A8mIji3yhN1jp2MW6bEbe2VJSpowsbJf1 YtQ= X-IronPort-AV: E=Sophos;i="5.81,211,1610380800"; d="scan'208";a="165466212" Received: from uls-op-cesaip01.wdc.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 28 Feb 2021 14:00:04 +0800 IronPort-SDR: Zw7xtLchFkOKT7a5slKcemJqn+0UdxOPiPLPbdnCk04hiQcSi9ivO1WbVfYqv9atHO9KzYq/3f YgEMsFcA7WyB3Ek/UaCbEbeT206n0mJzGSlJULFJEkdb+fvaVgFmChE6y6rAL60SRTJASEhqo1 rd6duQ+1MIntmWGKywOmXGQwzjGcC2WlcfOTONqQ3nJoMy3+NZjGbRB2J4gpGGYk4ihDi3Qi8Q myOOmzLd+Vt4quYi/nrvL0ONtncsBjwwC/lN2KwRP6qGW0L56zUUg61iexj3D/f1lceEKpnPph Bq8EO7T2ryXWChRlcgRVb4O9 Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2021 21:43:14 -0800 IronPort-SDR: BYpPm5xe0UNSKGBamMTRvAZ4BX2ix+q/W3TJ+sQFkm0uYp6aoG2KHL24p0Ql5nf2Z+z+nwrNCE +rS00+pGeBTBQ0BAgD7+EjJAAMfuKM9+W1Il8LwNgZrBXPjcgrqV92KBKoLQ3dL8a+avgsDbNJ WRUgHBirrzjH6Of87A2XJwZfcVP3s4//6bVk/AAc1GQhHXQJvCXiZJiLDPGZSaQGMgX/Bk0Okd 1AROBTNiV3PRinsdFOrMmIA6BgYCZ2zq6ol9ew9UH0LJ7VIIlOH04hXZWi8yAMi1zVPbT/JfWy J+E= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip01.wdc.com with ESMTP; 27 Feb 2021 22:00:04 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 20/23] target/pr: remove the memset with declare-init Date: Sat, 27 Feb 2021 21:56:42 -0800 Message-Id: <20210228055645.22253-21-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Instead of initializing the array with memset, use declare init pattern that is present under the kernel tree in other drivers so we can remove the memset call. Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_pr.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 14db5e568f22..942b93d12295 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -928,12 +928,10 @@ static int __core_scsi3_check_aptpl_registration( { struct t10_pr_registration *pr_reg, *pr_reg_tmp; struct t10_reservation *pr_tmpl = &dev->t10_pr; - unsigned char i_port[PR_APTPL_MAX_IPORT_LEN]; - unsigned char t_port[PR_APTPL_MAX_TPORT_LEN]; + unsigned char i_port[PR_APTPL_MAX_IPORT_LEN] = { }; + unsigned char t_port[PR_APTPL_MAX_TPORT_LEN] = { }; u16 tpgt; - memset(i_port, 0, PR_APTPL_MAX_IPORT_LEN); - memset(t_port, 0, PR_APTPL_MAX_TPORT_LEN); /* * Copy Initiator Port information from struct se_node_acl */ From patchwork Sun Feb 28 05:56:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108105 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 9703FC433E0 for ; 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IronPort-SDR: sQ0H+IS+BljVkEG9SxBpGoh2fClbhI/wg86WX3Bbg56egah233Y+uTW5y5cbAetIWFv4U8zNTa O3VFmmD7Rinhga2M9GZLx84AvVAA5/DcWzgRf5n03hlFMjy3pFU/THZYWRKbilBuFVST3Ff0hU QJiinLbGng9JtzFckRHhXvli1HfDQ/RIZcpcSyb2CxEUFYYx0rwfXu7LdaDVYlmqfGB9zx5rM5 lXdx1DUL/+Kw4ZkrXDaROdN9u6QYfvHE88DdhIR21by3+Qg/tG7KFpgE+uO1idFRk9FXRQ2Ibb 0NU= X-IronPort-AV: E=Sophos;i="5.81,211,1610380800"; d="scan'208";a="271564180" Received: from h199-255-45-14.hgst.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 28 Feb 2021 14:00:14 +0800 IronPort-SDR: lp0ihUvwsgRbyJ/C7XrVDxyCNOR7V4cbzJjO02OsHM7WxLLJIhcOjkqsBQSlWcEHCJoQb31nPW 6oXkwu0YB42g2Yll4lC/PIzrsOr5ThiVcYWRScHizOK0QAbh1CEZjQb6sUYnX7YoVR5k0zYrm6 xQyVgXIUFJmU2yDLtMf/zNiLklqylqX3WB89xEH9Vzx9FYOM7Bp9O9Px4Ehl1zUvpwogY6kFQO 1HUiLi9WtAIgS7uzEV8MIjVbmMe7+saT9796WG5drBrMDtCNraPQnlZCn1CsDhWF039kLHsI65 PdDQ92UkZbkU10rgA4Ks3onk Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2021 21:43:24 -0800 IronPort-SDR: JXkKii/dA5B9Bd0EKSrhcb0usHXMbjDb9796XCctEJk9xgtHLlF10iCOa1MuNtLwJm7mcWCCIc JJZStGnIiwUeQe3pKMpeFtgXOvJuCnRLKG3m8y9jpBSaLRhKIVGaYG8Zp2IFwKX4M33bcxLufs Ss0l3iTvxJilx695aTBEDYdd+jXEllrWkoas/25dxe7oX4mHGzSKnrtPwAUtN5uykzoRwo5Ap/ t9yx2NxVZc2bmNveEkLyRLKGz3Gb4IzOLmwLgRQHoCgRqe3TVnmcr97dhWwlWNLbWY+hrjhMYI wlI= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip01.wdc.com with ESMTP; 27 Feb 2021 22:00:14 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 21/23] target/pr: remove the memset with declare-init Date: Sat, 27 Feb 2021 21:56:43 -0800 Message-Id: <20210228055645.22253-22-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Instead of initializing the array with memset, use declare init pattern that is present under the kernel tree in other drivers so we can remove the memset call. Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_pr.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 942b93d12295..3644d2642929 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -1202,10 +1202,10 @@ static struct t10_pr_registration *core_scsi3_locate_pr_reg( struct se_session *sess) { struct se_portal_group *tpg = nacl->se_tpg; - unsigned char buf[PR_REG_ISID_LEN], *isid_ptr = NULL; + unsigned char buf[PR_REG_ISID_LEN] = { }; + unsigned char *isid_ptr = NULL; if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL) { - memset(&buf[0], 0, PR_REG_ISID_LEN); tpg->se_tpg_tfo->sess_get_initiator_sid(sess, &buf[0], PR_REG_ISID_LEN); isid_ptr = &buf[0]; From patchwork Sun Feb 28 05:56:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108107 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 5B35DC433E6 for ; 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27 Feb 2021 21:41:42 -0800 IronPort-SDR: puhgLlV5fXGevrQevSzsIkCuOGC5HZ5Xel723RCpoFHGFrFKa0hPtT6yxzKueGRYKu3ZZtxc36 kN5eKqnZGb0ImNyDECEwe02lC90kItqjVIL6HGn1Pu5gVa5v97cY0+o6l4J/o0Uxp8/Tib18QF phpY7RPzu7OYy0QoorpegXpgpVGRnEAf5UvyBS9mk6+e1TS8j63egfwTXo3WBGnbUnky//wyBT SGaQtH7odmZ27DM/f7RYCdzK7FMmDaIOU7JP00iD7NzGtfknz+1TKjTSRWnw0yik3TQAggPJww QOA= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip01.wdc.com with ESMTP; 27 Feb 2021 22:00:24 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 22/23] target/pr: remove the memset with declare-init Date: Sat, 27 Feb 2021 21:56:44 -0800 Message-Id: <20210228055645.22253-23-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Instead of initializing the array with memset, use declare init pattern that is present under the kernel tree in other drivers so we can remove the memset call. Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_pr.c | 26 +++++++++----------------- 1 file changed, 9 insertions(+), 17 deletions(-) diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 3644d2642929..894cda06261c 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -896,9 +896,8 @@ static void core_scsi3_aptpl_reserve( struct se_node_acl *node_acl, struct t10_pr_registration *pr_reg) { - char i_buf[PR_REG_ISID_ID_LEN]; + char i_buf[PR_REG_ISID_ID_LEN] = { }; - memset(i_buf, 0, PR_REG_ISID_ID_LEN); core_pr_dump_initiator_port(pr_reg, i_buf, PR_REG_ISID_ID_LEN); spin_lock(&dev->dev_reservation_lock); @@ -1021,9 +1020,8 @@ static void __core_scsi3_dump_registration( enum register_type register_type) { struct se_portal_group *se_tpg = nacl->se_tpg; - char i_buf[PR_REG_ISID_ID_LEN]; + char i_buf[PR_REG_ISID_ID_LEN] = { }; - memset(&i_buf[0], 0, PR_REG_ISID_ID_LEN); core_pr_dump_initiator_port(pr_reg, i_buf, PR_REG_ISID_ID_LEN); pr_debug("SPC-3 PR [%s] Service Action: REGISTER%s Initiator" @@ -1283,11 +1281,10 @@ static void __core_scsi3_free_registration( struct t10_reservation *pr_tmpl = &dev->t10_pr; struct se_node_acl *nacl = pr_reg->pr_reg_nacl; struct se_dev_entry *deve; - char i_buf[PR_REG_ISID_ID_LEN]; + char i_buf[PR_REG_ISID_ID_LEN] = { }; lockdep_assert_held(&pr_tmpl->registration_lock); - memset(i_buf, 0, PR_REG_ISID_ID_LEN); core_pr_dump_initiator_port(pr_reg, i_buf, PR_REG_ISID_ID_LEN); if (!list_empty(&pr_reg->pr_reg_list)) @@ -2057,7 +2054,8 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key, struct se_portal_group *se_tpg; struct t10_pr_registration *pr_reg, *pr_reg_p, *pr_reg_tmp; struct t10_reservation *pr_tmpl = &dev->t10_pr; - unsigned char isid_buf[PR_REG_ISID_LEN], *isid_ptr = NULL; + unsigned char isid_buf[PR_REG_ISID_LEN] = { }; + unsigned char *isid_ptr = NULL; sense_reason_t ret = TCM_NO_SENSE; int pr_holder = 0, type; @@ -2068,7 +2066,6 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key, se_tpg = se_sess->se_tpg; if (se_tpg->se_tpg_tfo->sess_get_initiator_sid) { - memset(&isid_buf[0], 0, PR_REG_ISID_LEN); se_tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess, &isid_buf[0], PR_REG_ISID_LEN); isid_ptr = &isid_buf[0]; @@ -2280,11 +2277,9 @@ core_scsi3_pro_reserve(struct se_cmd *cmd, int type, int scope, u64 res_key) struct se_lun *se_lun = cmd->se_lun; struct t10_pr_registration *pr_reg, *pr_res_holder; struct t10_reservation *pr_tmpl = &dev->t10_pr; - char i_buf[PR_REG_ISID_ID_LEN]; + char i_buf[PR_REG_ISID_ID_LEN] = { }; sense_reason_t ret; - memset(i_buf, 0, PR_REG_ISID_ID_LEN); - if (!se_sess || !se_lun) { pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n"); return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; @@ -2455,12 +2450,11 @@ static void __core_scsi3_complete_pro_release( int unreg) { const struct target_core_fabric_ops *tfo = se_nacl->se_tpg->se_tpg_tfo; - char i_buf[PR_REG_ISID_ID_LEN]; + char i_buf[PR_REG_ISID_ID_LEN] = { }; int pr_res_type = 0, pr_res_scope = 0; lockdep_assert_held(&dev->dev_reservation_lock); - memset(i_buf, 0, PR_REG_ISID_ID_LEN); core_pr_dump_initiator_port(pr_reg, i_buf, PR_REG_ISID_ID_LEN); /* * Go ahead and release the current PR reservation holder. @@ -2766,11 +2760,10 @@ static void __core_scsi3_complete_pro_preempt( { struct se_node_acl *nacl = pr_reg->pr_reg_nacl; const struct target_core_fabric_ops *tfo = nacl->se_tpg->se_tpg_tfo; - char i_buf[PR_REG_ISID_ID_LEN]; + char i_buf[PR_REG_ISID_ID_LEN] = { }; lockdep_assert_held(&dev->dev_reservation_lock); - memset(i_buf, 0, PR_REG_ISID_ID_LEN); core_pr_dump_initiator_port(pr_reg, i_buf, PR_REG_ISID_ID_LEN); /* * Do an implicit RELEASE of the existing reservation. @@ -3156,7 +3149,7 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key, struct t10_reservation *pr_tmpl = &dev->t10_pr; unsigned char *buf; const unsigned char *initiator_str; - char *iport_ptr = NULL, i_buf[PR_REG_ISID_ID_LEN]; + char *iport_ptr = NULL, i_buf[PR_REG_ISID_ID_LEN] = { }; u32 tid_len, tmp_tid_len; int new_reg = 0, type, scope, matching_iname; sense_reason_t ret; @@ -3168,7 +3161,6 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key, return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; } - memset(i_buf, 0, PR_REG_ISID_ID_LEN); se_tpg = se_sess->se_tpg; tf_ops = se_tpg->se_tpg_tfo; /* From patchwork Sun Feb 28 05:56:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12108109 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=-16.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 428C4C433E6 for ; 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IronPort-SDR: tOUScKfnEW/ZZ6LlKdvuoYfKu2X1UP8359z9PCcAu7g47BOnZuap+BjZ7KnVHqstmOzSSDOz/L K6wO739GNLRJBdPL2d8wSv9Zfdcr6mgSltqkrd1itvYwZLUSo1kF64t+MG8sODYLdq2vbENpWi F1y17AmB4NMFYa+k9BH9VaBCNY/Hzqiehp53KXZglivQet2GkGzEHSknhSB+mKqihJ9oLuSIC+ NqOVxqrDfF9fJREyAxbEg3ZIQWAy9TWxCfXrX2DK3ZSk87JwBb0WwHi8544TMYIEEJa0WtNmd2 314= X-IronPort-AV: E=Sophos;i="5.81,211,1610380800"; d="scan'208";a="160973086" Received: from h199-255-45-15.hgst.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 28 Feb 2021 14:00:33 +0800 IronPort-SDR: goUMcAYGdcCq3YsdCLKX02O2KC1L5A0c6nhC4q58lTehz463wcbGTmKNTa8OwfX53iDP7/LXbE dk3uTTAmv9TfHOMEebAY/KW6Gjl1ViZEBKkJDlpxgPcI7L8AVTsq8Rh/9cMk7Sbk4QIZPXGbbb Wz0+84HxK5Fm+NX0HSTgXGR2WKLVaWleGqDcrIJy//JHtfpR4DWvKL5R0CWvGvAHpsch8290pp dy7JyisJjTMBbKZlctBdumoPtrOHnCRM49Dht3REWv84YwOobmxRczjB4rlBxxPZbTy0TrCJlu C0NMz+YBvAXddsvAqEOeVGDF Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2021 21:41:51 -0800 IronPort-SDR: JamS46YIsxrQudnalu4I0e/yXjsSucaG7mpJCvZac3RrtXAbFDsxx/ZelHF/QOQNQh19HR62J6 v6kmcQsgMPkD7h2Hz7q5gSWyo8Awo2jIwlkveDQ1R6EfV4DikySY9yCqK5YvwVpjxIXILrPE2b gw4o9fT/Xs+O35ESZDGEYzaXetC0ewQqIoRxIGJ0xU2Iu5f6hkabMlfGQGzqk5QizrXu7RrcVg +UOXJqqscQ9vDpAoKnwzE5vZfm+BCP7Cnmg5HJoAyZFn0Dw+9A1tmhxWX1xRK+kU+mXlYTUfE0 Egk= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip01.wdc.com with ESMTP; 27 Feb 2021 22:00:33 -0800 From: Chaitanya Kulkarni To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, hare@suse.de, jejb@linux.ibm.com, mlombard@redhat.com, michael.christie@oracle.com, bvanassche@acm.org, houpu@bytedance.com, Chaitanya Kulkarni Subject: [PATCH 23/23] target/core: don't duplicate memset 0xff Date: Sat, 27 Feb 2021 21:56:45 -0800 Message-Id: <20210228055645.22253-24-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1.dirty In-Reply-To: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> References: <20210228055645.22253-1-chaitanya.kulkarni@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org The function fd_do_prot_fill() is called from two callers fd_do_prot_unmap() and fd_format_prot(). Both the callers initialize the passed buffer with memset to 0xff with its length. Instead of duplicating the memset call, move the memset call to the fd_do_prot_fill(). Signed-off-by: Chaitanya Kulkarni Reviewed-by: Johannes Thumshirn --- drivers/target/target_core_file.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c index 5a66854def95..ef4a8e189fba 100644 --- a/drivers/target/target_core_file.c +++ b/drivers/target/target_core_file.c @@ -498,6 +498,7 @@ fd_do_prot_fill(struct se_device *se_dev, sector_t lba, sector_t nolb, prot_length = nolb * se_dev->prot_length; + memset(buf, 0xff, bufsize); for (prot = 0; prot < prot_length;) { sector_t len = min_t(sector_t, bufsize, prot_length - prot); ssize_t ret = kernel_write(prot_fd, buf, len, &pos); @@ -523,7 +524,6 @@ fd_do_prot_unmap(struct se_cmd *cmd, sector_t lba, sector_t nolb) pr_err("Unable to allocate FILEIO prot buf\n"); return -ENOMEM; } - memset(buf, 0xff, PAGE_SIZE); rc = fd_do_prot_fill(cmd->se_dev, lba, nolb, buf, PAGE_SIZE); @@ -882,7 +882,6 @@ static int fd_format_prot(struct se_device *dev) (unsigned long long)(dev->transport->get_blocks(dev) + 1) * dev->prot_length); - memset(buf, 0xff, unit_size); ret = fd_do_prot_fill(dev, 0, dev->transport->get_blocks(dev) + 1, buf, unit_size); vfree(buf);