From patchwork Thu Aug 10 16:00:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Weinberger X-Patchwork-Id: 1819933 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org; envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=brSDpjo9; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RMBVl1ymMz1yYC for ; Fri, 11 Aug 2023 02:01:19 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WEAyO5IgI10912zxbmPOLaXpMeGaJnOykN4XBQYkgZM=; b=brSDpjo9IgakSC ZeRUd3YeChvPogWiQdMahWZO5l47ryxfFDBaWCJke1eHIRcjwqfyhffE3m1aH2AKIPOt/dHzgTDkc RI86t/prz3lTckkgWzkYVqjT09buCRcQuLxX8rCZcDBtq+nYw67czYwMp21MlKJqI+4zew5RymDvp e48aHvnB+T3oyPTSxDYLaNTqiqwbzA0gEqAvQDRK498uIeJj88Kq06+D3pNA4vV4Zv8nFIcQgknCY voUOk9FwDAEtKu78k39EH1+Nzbf4iqkVaRt4btmVPvGfS2D2y0sSw0jO9+tTR2+1BI8rcl21R0QaX ZnpKd+p1i4Hlkg6YrYbw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qU85k-0086mt-23; Thu, 10 Aug 2023 16:00:52 +0000 Received: from lithops.sigma-star.at ([195.201.40.130]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qU85f-0086hY-1E for linux-mtd@lists.infradead.org; Thu, 10 Aug 2023 16:00:48 +0000 Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id 0E84B635D29A; Thu, 10 Aug 2023 18:00:46 +0200 (CEST) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id i2OBkMkvY2wu; Thu, 10 Aug 2023 18:00:45 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id B1424635D2A8; Thu, 10 Aug 2023 18:00:45 +0200 (CEST) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id vNycAkqY1e7l; Thu, 10 Aug 2023 18:00:45 +0200 (CEST) Received: from foxxylove.corp.sigma-star.at (unknown [82.150.214.1]) by lithops.sigma-star.at (Postfix) with ESMTPSA id 55000635D296; Thu, 10 Aug 2023 18:00:45 +0200 (CEST) From: Richard Weinberger To: linux-mtd@lists.infradead.org Cc: Christoph Hellwig , Stephan Wurm , Richard Weinberger , Miquel Raynal , Vignesh Raghavendra , Oliver Neukum , Ali Akcaagac , Jamie Lenehan , "James E.J. Bottomley" , "Martin K. Petersen" , Ezequiel Garcia , linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH 5/7] scsi: fdomain: Switch to kmap_sg Date: Thu, 10 Aug 2023 18:00:16 +0200 Message-Id: <20230810160019.16977-6-richard@nod.at> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230810160019.16977-1-richard@nod.at> References: <20230810160019.16977-1-richard@nod.at> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230810_090047_589337_C0C67CB2 X-CRM114-Status: GOOD ( 10.99 ) X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Switch to our new helper from scatterlist lib. No functional change, the mapped region is still used in atomic context. Signed-off-by: Richard Weinberger --- drivers/scsi/fdomain.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 T_SPF_PERMERROR SPF: test of record failed (permerror) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Switch to our new helper from scatterlist lib. No functional change, the mapped region is still used in atomic context. Signed-off-by: Richard Weinberger --- drivers/scsi/fdomain.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c index 504c4e0c5d17a..5d58a9ec1c66a 100644 --- a/drivers/scsi/fdomain.c +++ b/drivers/scsi/fdomain.c @@ -223,15 +223,14 @@ static void fdomain_read_data(struct scsi_cmnd *cmd) while ((len = inw(fd->base + REG_FIFO_COUNT)) > 0) { offset = scsi_bufflen(cmd) - scsi_get_resid(cmd); - virt = scsi_kmap_atomic_sg(scsi_sglist(cmd), scsi_sg_count(cmd), - &offset, &len); + virt = kmap_sg(scsi_sglist(cmd), scsi_sg_count(cmd), &offset, &len); ptr = virt + offset; if (len & 1) *ptr++ = inb(fd->base + REG_FIFO); if (len > 1) insw(fd->base + REG_FIFO, ptr, len >> 1); scsi_set_resid(cmd, scsi_get_resid(cmd) - len); - scsi_kunmap_atomic_sg(virt); + kunmap_sg(virt); } } @@ -250,15 +249,14 @@ static void fdomain_write_data(struct scsi_cmnd *cmd) if (len == 0) break; } - virt = scsi_kmap_atomic_sg(scsi_sglist(cmd), scsi_sg_count(cmd), - &offset, &len); + virt = kmap_sg(scsi_sglist(cmd), scsi_sg_count(cmd), &offset, &len); ptr = virt + offset; if (len & 1) outb(*ptr++, fd->base + REG_FIFO); if (len > 1) outsw(fd->base + REG_FIFO, ptr, len >> 1); scsi_set_resid(cmd, scsi_get_resid(cmd) - len); - scsi_kunmap_atomic_sg(virt); + kunmap_sg(virt); } }