From patchwork Mon Dec 2 19:00:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 847230 Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3F2A71DE8A6; Mon, 2 Dec 2024 19:00:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.69.126.157 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733166045; cv=none; b=aleZLOsHU6LUymvO0uOquzrjlSiKOLqC58IhaaCCcwyilJRYS3CZEvvIQdIGljbhdqEghT/i4aTrIGKS5C1uvS2HdooQCvujVpf0kqMaE9BE+XrvibJ8eO6O1Y0W3/VMv5JRwcr2+Esq2eiCMWKMYoJly42O36OdIzJDG+bvZpY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733166045; c=relaxed/simple; bh=6f4mNkpvqRUUeyyo/NJcoh7bQ9hdy8tWinO29V+C6p4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=F8lSgy7GSD5WkjwLJn7s4+tNIC7haiewWMkvYKr876fr084mLklKdAfiYKTdV5Z/1aUvrRQDSB1pGtqF5HWcy2K8fpelq6MbCvHki86Mxbid9uKHjN7FoOHOxsyvZXyrV7DjPymm/WFJyXiAqLjhhCYKSg6s1KCIrEJ2NoCOl4I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net; spf=pass smtp.mailfrom=weissschuh.net; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b=btGY7MOa; arc=none smtp.client-ip=159.69.126.157 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b="btGY7MOa" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1733166038; bh=6f4mNkpvqRUUeyyo/NJcoh7bQ9hdy8tWinO29V+C6p4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=btGY7MOaNEAELCcGQDyjd+njX9nVHFypYDtpB/GQKbJV1iIi5gtyX6lfQLN7FWOuO bRv+xU7gwx500gh/9MMVmfaAtXQQ8JGkfIy68gIH6SKOtmJKqw+r0n4opaFZwZlINv 6+f7CdANi7p7PQi79BD4w4Iln7oPIuGuojs0Y12Y= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Mon, 02 Dec 2024 20:00:40 +0100 Subject: [PATCH 5/5] scsi: arcmsr: Use BIN_ATTR_ADMIN_WO() for bin_attribute definitions Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241202-sysfs-const-bin_attr-admin_wo-v1-5-f489116210bf@weissschuh.net> References: <20241202-sysfs-const-bin_attr-admin_wo-v1-0-f489116210bf@weissschuh.net> In-Reply-To: <20241202-sysfs-const-bin_attr-admin_wo-v1-0-f489116210bf@weissschuh.net> To: Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Tzung-Bi Shih , Brian Norris , Julius Werner , "James E.J. Bottomley" , "Martin K. Petersen" Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, chrome-platform@lists.linux.dev, linux-scsi@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1733166036; l=5414; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=6f4mNkpvqRUUeyyo/NJcoh7bQ9hdy8tWinO29V+C6p4=; b=X+0t7vXFXcE/fxGdmCbWy1dFY2LlFh9Er23M7zOt4ShPWbyx8SOdqDkvlV+lJJOf3qu+NW089 pkVCKYBLt9UDGRGnD6yU5YvE+wYS5X+ZbLLkLjH9v7kC4Ht9hxJJQuG X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= Using the macro saves some lines of code and prepares the attributes for the general constifications of struct bin_attributes. While at it also constify the callback parameters. Signed-off-by: Thomas Weißschuh --- drivers/scsi/arcmsr/arcmsr_attr.c | 73 ++++++++++++++------------------------- 1 file changed, 26 insertions(+), 47 deletions(-) diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c index baeb5e79569026f1af6612705689219bb4a7052f..af7750b551910b06254e443c25bebf323e29f162 100644 --- a/drivers/scsi/arcmsr/arcmsr_attr.c +++ b/drivers/scsi/arcmsr/arcmsr_attr.c @@ -58,11 +58,11 @@ #include #include "arcmsr.h" -static ssize_t arcmsr_sysfs_iop_message_read(struct file *filp, - struct kobject *kobj, - struct bin_attribute *bin, - char *buf, loff_t off, - size_t count) +static ssize_t mu_read_read(struct file *filp, + struct kobject *kobj, + const struct bin_attribute *bin, + char *buf, loff_t off, + size_t count) { struct device *dev = container_of(kobj,struct device,kobj); struct Scsi_Host *host = class_to_shost(dev); @@ -105,11 +105,11 @@ static ssize_t arcmsr_sysfs_iop_message_read(struct file *filp, return allxfer_len; } -static ssize_t arcmsr_sysfs_iop_message_write(struct file *filp, - struct kobject *kobj, - struct bin_attribute *bin, - char *buf, loff_t off, - size_t count) +static ssize_t mu_write_write(struct file *filp, + struct kobject *kobj, + const struct bin_attribute *bin, + char *buf, loff_t off, + size_t count) { struct device *dev = container_of(kobj,struct device,kobj); struct Scsi_Host *host = class_to_shost(dev); @@ -153,11 +153,11 @@ static ssize_t arcmsr_sysfs_iop_message_write(struct file *filp, } } -static ssize_t arcmsr_sysfs_iop_message_clear(struct file *filp, - struct kobject *kobj, - struct bin_attribute *bin, - char *buf, loff_t off, - size_t count) +static ssize_t mu_clear_write(struct file *filp, + struct kobject *kobj, + const struct bin_attribute *bin, + char *buf, loff_t off, + size_t count) { struct device *dev = container_of(kobj,struct device,kobj); struct Scsi_Host *host = class_to_shost(dev); @@ -188,58 +188,37 @@ static ssize_t arcmsr_sysfs_iop_message_clear(struct file *filp, return 1; } -static const struct bin_attribute arcmsr_sysfs_message_read_attr = { - .attr = { - .name = "mu_read", - .mode = S_IRUSR , - }, - .size = ARCMSR_API_DATA_BUFLEN, - .read = arcmsr_sysfs_iop_message_read, -}; +static const BIN_ATTR_ADMIN_RO(mu_read, ARCMSR_API_DATA_BUFLEN); -static const struct bin_attribute arcmsr_sysfs_message_write_attr = { - .attr = { - .name = "mu_write", - .mode = S_IWUSR, - }, - .size = ARCMSR_API_DATA_BUFLEN, - .write = arcmsr_sysfs_iop_message_write, -}; +static const BIN_ATTR_ADMIN_WO(mu_write, ARCMSR_API_DATA_BUFLEN); -static const struct bin_attribute arcmsr_sysfs_message_clear_attr = { - .attr = { - .name = "mu_clear", - .mode = S_IWUSR, - }, - .size = 1, - .write = arcmsr_sysfs_iop_message_clear, -}; +static const BIN_ATTR_ADMIN_WO(mu_clear, 1); int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb) { struct Scsi_Host *host = acb->host; int error; - error = sysfs_create_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_read_attr); + error = sysfs_create_bin_file(&host->shost_dev.kobj, &bin_attr_mu_read); if (error) { printk(KERN_ERR "arcmsr: alloc sysfs mu_read failed\n"); goto error_bin_file_message_read; } - error = sysfs_create_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_write_attr); + error = sysfs_create_bin_file(&host->shost_dev.kobj, &bin_attr_mu_write); if (error) { printk(KERN_ERR "arcmsr: alloc sysfs mu_write failed\n"); goto error_bin_file_message_write; } - error = sysfs_create_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_clear_attr); + error = sysfs_create_bin_file(&host->shost_dev.kobj, &bin_attr_mu_clear); if (error) { printk(KERN_ERR "arcmsr: alloc sysfs mu_clear failed\n"); goto error_bin_file_message_clear; } return 0; error_bin_file_message_clear: - sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_write_attr); + sysfs_remove_bin_file(&host->shost_dev.kobj, &bin_attr_mu_write); error_bin_file_message_write: - sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_read_attr); + sysfs_remove_bin_file(&host->shost_dev.kobj, &bin_attr_mu_read); error_bin_file_message_read: return error; } @@ -248,9 +227,9 @@ void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb) { struct Scsi_Host *host = acb->host; - sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_clear_attr); - sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_write_attr); - sysfs_remove_bin_file(&host->shost_dev.kobj, &arcmsr_sysfs_message_read_attr); + sysfs_remove_bin_file(&host->shost_dev.kobj, &bin_attr_mu_clear); + sysfs_remove_bin_file(&host->shost_dev.kobj, &bin_attr_mu_write); + sysfs_remove_bin_file(&host->shost_dev.kobj, &bin_attr_mu_read); }