From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,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 71C4AC5DF60 for ; Tue, 5 Nov 2019 16:23:56 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 426CD2087E for ; Tue, 5 Nov 2019 16:23:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="X9OdGFqy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 426CD2087E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mellanox.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=G+OaZD9v4L3oxCqMneIbhHetGfdZjJ6C2P6Swy6/rXw=; b=X9OdGFqyLdfKr9 tNAXg95HR+W0Fm+FqNBWDfZZEhlV/yv3GA1G5Phl0k2am55rfl1jN+Wq4w+/NEE8wQA+8O1ct4nM8 G6Xm6fMMM78520MfpHi2K7t50Bnhf2z/pccCjI5oVYeeWQMrAjeOY9duwLQ7298Aqe2xFr4el5S2c zHXfc/UXrAHViRDSXGXcxdfqJHO15z93p8WeVVBc2a2k45+EXorzyNzGeipdOzaKoPt1589ktrdwT rn5OlDQTcpBdsZeHgOIymihZvvLJKnap+68M68A+o6Fouy4G60h3/mrWdnQRdSJfuNPwh2bSGrbam 0y11N/hysuiI2gSxL4cQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iS1cX-0006Ey-78; Tue, 05 Nov 2019 16:23:53 +0000 Received: from mail-il-dmz.mellanox.com ([193.47.165.129] helo=mellanox.co.il) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iS1ZR-0003S9-NJ for linux-nvme@lists.infradead.org; Tue, 05 Nov 2019 16:20:50 +0000 Received: from Internal Mail-Server by MTLPINE1 (envelope-from maxg@mellanox.com) with ESMTPS (AES256-SHA encrypted); 5 Nov 2019 18:20:28 +0200 Received: from mtr-vdi-031.wap.labs.mlnx. (mtr-vdi-031.wap.labs.mlnx [10.209.102.136]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id xA5GKQm7013132; Tue, 5 Nov 2019 18:20:28 +0200 From: Max Gurtovoy To: linux-nvme@lists.infradead.org, kbusch@kernel.org, hch@lst.de, sagi@grimberg.me Subject: [PATCH 10/15] nvmet: Rename nvmet_check_data_len to nvmet_check_transfer_len Date: Tue, 5 Nov 2019 18:20:21 +0200 Message-Id: <20191105162026.183901-12-maxg@mellanox.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191105162026.183901-1-maxg@mellanox.com> References: <20191105162026.183901-1-maxg@mellanox.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191105_082042_278033_37C75A6F X-CRM114-Status: UNSURE ( 9.70 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: vladimirk@mellanox.com, idanb@mellanox.com, israelr@mellanox.com, shlomin@mellanox.com, oren@mellanox.com, maxg@mellanox.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org From: Israel Rukshin The function doesn't checks only the data length, because the transfer length includes also the metadata length in some cases. This is preparation for adding metadata (T10-PI) support. Signed-off-by: Israel Rukshin Reviewed-by: Max Gurtovoy --- drivers/nvme/target/admin-cmd.c | 14 +++++++------- drivers/nvme/target/core.c | 6 +++--- drivers/nvme/target/discovery.c | 8 ++++---- drivers/nvme/target/fabrics-cmd.c | 8 ++++---- drivers/nvme/target/io-cmd-bdev.c | 8 ++++---- drivers/nvme/target/io-cmd-file.c | 8 ++++---- drivers/nvme/target/nvmet.h | 2 +- 7 files changed, 27 insertions(+), 27 deletions(-) diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index 56c21b50..19ae155 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -284,7 +284,7 @@ static void nvmet_execute_get_log_page_ana(struct nvmet_req *req) static void nvmet_execute_get_log_page(struct nvmet_req *req) { - if (!nvmet_check_data_len(req, nvmet_get_log_page_len(req->cmd))) + if (!nvmet_check_transfer_len(req, nvmet_get_log_page_len(req->cmd))) return; switch (req->cmd->get_log_page.lid) { @@ -597,7 +597,7 @@ static void nvmet_execute_identify_desclist(struct nvmet_req *req) static void nvmet_execute_identify(struct nvmet_req *req) { - if (!nvmet_check_data_len(req, NVME_IDENTIFY_DATA_SIZE)) + if (!nvmet_check_transfer_len(req, NVME_IDENTIFY_DATA_SIZE)) return; switch (req->cmd->identify.cns) { @@ -626,7 +626,7 @@ static void nvmet_execute_identify(struct nvmet_req *req) */ static void nvmet_execute_abort(struct nvmet_req *req) { - if (!nvmet_check_data_len(req, 0)) + if (!nvmet_check_transfer_len(req, 0)) return; nvmet_set_result(req, 1); nvmet_req_complete(req, 0); @@ -712,7 +712,7 @@ static void nvmet_execute_set_features(struct nvmet_req *req) u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10); u16 status = 0; - if (!nvmet_check_data_len(req, 0)) + if (!nvmet_check_transfer_len(req, 0)) return; switch (cdw10 & 0xff) { @@ -778,7 +778,7 @@ static void nvmet_execute_get_features(struct nvmet_req *req) u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10); u16 status = 0; - if (!nvmet_check_data_len(req, 0)) + if (!nvmet_check_transfer_len(req, 0)) return; switch (cdw10 & 0xff) { @@ -845,7 +845,7 @@ void nvmet_execute_async_event(struct nvmet_req *req) { struct nvmet_ctrl *ctrl = req->sq->ctrl; - if (!nvmet_check_data_len(req, 0)) + if (!nvmet_check_transfer_len(req, 0)) return; mutex_lock(&ctrl->lock); @@ -864,7 +864,7 @@ void nvmet_execute_keep_alive(struct nvmet_req *req) { struct nvmet_ctrl *ctrl = req->sq->ctrl; - if (!nvmet_check_data_len(req, 0)) + if (!nvmet_check_transfer_len(req, 0)) return; pr_debug("ctrl %d update keep-alive timer for %d secs\n", diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index d545ff5..6125116 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -930,9 +930,9 @@ void nvmet_req_uninit(struct nvmet_req *req) } EXPORT_SYMBOL_GPL(nvmet_req_uninit); -bool nvmet_check_data_len(struct nvmet_req *req, size_t data_len) +bool nvmet_check_transfer_len(struct nvmet_req *req, size_t len) { - if (unlikely(data_len != req->transfer_len)) { + if (unlikely(len != req->transfer_len)) { req->error_loc = offsetof(struct nvme_common_command, dptr); nvmet_req_complete(req, NVME_SC_SGL_INVALID_DATA | NVME_SC_DNR); return false; @@ -940,7 +940,7 @@ bool nvmet_check_data_len(struct nvmet_req *req, size_t data_len) return true; } -EXPORT_SYMBOL_GPL(nvmet_check_data_len); +EXPORT_SYMBOL_GPL(nvmet_check_transfer_len); int nvmet_req_alloc_sgl(struct nvmet_req *req) { diff --git a/drivers/nvme/target/discovery.c b/drivers/nvme/target/discovery.c index 0c2274b..40cf0b6 100644 --- a/drivers/nvme/target/discovery.c +++ b/drivers/nvme/target/discovery.c @@ -171,7 +171,7 @@ static void nvmet_execute_disc_get_log_page(struct nvmet_req *req) u16 status = 0; void *buffer; - if (!nvmet_check_data_len(req, data_len)) + if (!nvmet_check_transfer_len(req, data_len)) return; if (req->cmd->get_log_page.lid != NVME_LOG_DISC) { @@ -244,7 +244,7 @@ static void nvmet_execute_disc_identify(struct nvmet_req *req) const char model[] = "Linux"; u16 status = 0; - if (!nvmet_check_data_len(req, NVME_IDENTIFY_DATA_SIZE)) + if (!nvmet_check_transfer_len(req, NVME_IDENTIFY_DATA_SIZE)) return; if (req->cmd->identify.cns != NVME_ID_CNS_CTRL) { @@ -298,7 +298,7 @@ static void nvmet_execute_disc_set_features(struct nvmet_req *req) u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10); u16 stat; - if (!nvmet_check_data_len(req, 0)) + if (!nvmet_check_transfer_len(req, 0)) return; switch (cdw10 & 0xff) { @@ -324,7 +324,7 @@ static void nvmet_execute_disc_get_features(struct nvmet_req *req) u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10); u16 stat = 0; - if (!nvmet_check_data_len(req, 0)) + if (!nvmet_check_transfer_len(req, 0)) return; switch (cdw10 & 0xff) { diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c index f729747..ee41b2b 100644 --- a/drivers/nvme/target/fabrics-cmd.c +++ b/drivers/nvme/target/fabrics-cmd.c @@ -12,7 +12,7 @@ static void nvmet_execute_prop_set(struct nvmet_req *req) u64 val = le64_to_cpu(req->cmd->prop_set.value); u16 status = 0; - if (!nvmet_check_data_len(req, 0)) + if (!nvmet_check_transfer_len(req, 0)) return; if (req->cmd->prop_set.attrib & 1) { @@ -41,7 +41,7 @@ static void nvmet_execute_prop_get(struct nvmet_req *req) u16 status = 0; u64 val = 0; - if (!nvmet_check_data_len(req, 0)) + if (!nvmet_check_transfer_len(req, 0)) return; if (req->cmd->prop_get.attrib & 1) { @@ -151,7 +151,7 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req) struct nvmet_ctrl *ctrl = NULL; u16 status = 0; - if (!nvmet_check_data_len(req, sizeof(struct nvmf_connect_data))) + if (!nvmet_check_transfer_len(req, sizeof(struct nvmf_connect_data))) return; d = kmalloc(sizeof(*d), GFP_KERNEL); @@ -218,7 +218,7 @@ static void nvmet_execute_io_connect(struct nvmet_req *req) u16 qid = le16_to_cpu(c->qid); u16 status = 0; - if (!nvmet_check_data_len(req, sizeof(struct nvmf_connect_data))) + if (!nvmet_check_transfer_len(req, sizeof(struct nvmf_connect_data))) return; d = kmalloc(sizeof(*d), GFP_KERNEL); diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c index dbada1f..2099c82 100644 --- a/drivers/nvme/target/io-cmd-bdev.c +++ b/drivers/nvme/target/io-cmd-bdev.c @@ -172,7 +172,7 @@ static void nvmet_bdev_execute_rw(struct nvmet_req *req) sector_t sector; int op, i; - if (!nvmet_check_data_len(req, nvmet_rw_data_len(req))) + if (!nvmet_check_transfer_len(req, nvmet_rw_data_len(req))) return; if (!req->sg_cnt) { @@ -233,7 +233,7 @@ static void nvmet_bdev_execute_flush(struct nvmet_req *req) { struct bio *bio = &req->b.inline_bio; - if (!nvmet_check_data_len(req, 0)) + if (!nvmet_check_transfer_len(req, 0)) return; bio_init(bio, req->inline_bvec, ARRAY_SIZE(req->inline_bvec)); @@ -301,7 +301,7 @@ static void nvmet_bdev_execute_discard(struct nvmet_req *req) static void nvmet_bdev_execute_dsm(struct nvmet_req *req) { - if (!nvmet_check_data_len(req, nvmet_dsm_len(req))) + if (!nvmet_check_transfer_len(req, nvmet_dsm_len(req))) return; switch (le32_to_cpu(req->cmd->dsm.attributes)) { @@ -325,7 +325,7 @@ static void nvmet_bdev_execute_write_zeroes(struct nvmet_req *req) sector_t nr_sector; int ret; - if (!nvmet_check_data_len(req, 0)) + if (!nvmet_check_transfer_len(req, 0)) return; sector = le64_to_cpu(write_zeroes->slba) << diff --git a/drivers/nvme/target/io-cmd-file.c b/drivers/nvme/target/io-cmd-file.c index e0a4859..1492f55 100644 --- a/drivers/nvme/target/io-cmd-file.c +++ b/drivers/nvme/target/io-cmd-file.c @@ -232,7 +232,7 @@ static void nvmet_file_execute_rw(struct nvmet_req *req) { ssize_t nr_bvec = req->sg_cnt; - if (!nvmet_check_data_len(req, nvmet_rw_data_len(req))) + if (!nvmet_check_transfer_len(req, nvmet_rw_data_len(req))) return; if (!req->sg_cnt || !nr_bvec) { @@ -276,7 +276,7 @@ static void nvmet_file_flush_work(struct work_struct *w) static void nvmet_file_execute_flush(struct nvmet_req *req) { - if (!nvmet_check_data_len(req, 0)) + if (!nvmet_check_transfer_len(req, 0)) return; INIT_WORK(&req->f.work, nvmet_file_flush_work); schedule_work(&req->f.work); @@ -336,7 +336,7 @@ static void nvmet_file_dsm_work(struct work_struct *w) static void nvmet_file_execute_dsm(struct nvmet_req *req) { - if (!nvmet_check_data_len(req, nvmet_dsm_len(req))) + if (!nvmet_check_transfer_len(req, nvmet_dsm_len(req))) return; INIT_WORK(&req->f.work, nvmet_file_dsm_work); schedule_work(&req->f.work); @@ -366,7 +366,7 @@ static void nvmet_file_write_zeroes_work(struct work_struct *w) static void nvmet_file_execute_write_zeroes(struct nvmet_req *req) { - if (!nvmet_check_data_len(req, 0)) + if (!nvmet_check_transfer_len(req, 0)) return; INIT_WORK(&req->f.work, nvmet_file_write_zeroes_work); schedule_work(&req->f.work); diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 50bc21b..39d5300 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -381,7 +381,7 @@ static inline bool nvmet_aen_bit_disabled(struct nvmet_ctrl *ctrl, u32 bn) bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq, struct nvmet_sq *sq, const struct nvmet_fabrics_ops *ops); void nvmet_req_uninit(struct nvmet_req *req); -bool nvmet_check_data_len(struct nvmet_req *req, size_t data_len); +bool nvmet_check_transfer_len(struct nvmet_req *req, size_t len); void nvmet_req_complete(struct nvmet_req *req, u16 status); int nvmet_req_alloc_sgl(struct nvmet_req *req); void nvmet_req_free_sgl(struct nvmet_req *req); -- 1.8.3.1 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme