From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754720AbYDHPCB (ORCPT ); Tue, 8 Apr 2008 11:02:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751181AbYDHPBx (ORCPT ); Tue, 8 Apr 2008 11:01:53 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:16531 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751149AbYDHPBx (ORCPT ); Tue, 8 Apr 2008 11:01:53 -0400 From: Alexey Dobriyan To: akpm@osdl.org Subject: [PATCH 09/12] proc: convert /proc/bus/nubus to seq_file interface Date: Tue, 8 Apr 2008 19:00:50 +0400 User-Agent: KMail/1.9.9 Cc: devel@openvz.org, linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200804081900.51024.adobriyan@sw.ru> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Alexey Dobriyan --- drivers/nubus/proc.c | 42 ++++++++++++++++++++---------------------- 1 file changed, 20 insertions(+), 22 deletions(-) --- a/drivers/nubus/proc.c +++ b/drivers/nubus/proc.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include @@ -28,38 +29,36 @@ #include static int -get_nubus_dev_info(char *buf, char **start, off_t pos, int count) +nubus_devices_proc_show(struct seq_file *m, void *v) { struct nubus_dev *dev = nubus_devices; - off_t at = 0; - int len, cnt; - cnt = 0; - while (dev && count > cnt) { - len = sprintf(buf, "%x\t%04x %04x %04x %04x", + while (dev) { + seq_printf(m, "%x\t%04x %04x %04x %04x", dev->board->slot, dev->category, dev->type, dev->dr_sw, dev->dr_hw); - len += sprintf(buf+len, - "\t%08lx", - dev->board->slot_addr); - buf[len++] = '\n'; - at += len; - if (at >= pos) { - if (!*start) { - *start = buf + (pos - (at - len)); - cnt = at - pos; - } else - cnt += len; - buf += len; - } + seq_printf(m, "\t%08lx\n", dev->board->slot_addr); dev = dev->next; } - return (count > cnt) ? cnt : count; + return 0; +} + +static int nubus_devices_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, nubus_devices_proc_show, NULL); } +static const struct file_operations nubus_devices_proc_fops = { + .owner = THIS_MODULE, + .open = nubus_devices_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + static struct proc_dir_entry *proc_bus_nubus_dir; static void nubus_proc_subdir(struct nubus_dev* dev, @@ -172,7 +171,6 @@ void __init nubus_proc_init(void) if (!MACH_IS_MAC) return; proc_bus_nubus_dir = proc_mkdir("bus/nubus", NULL); - create_proc_info_entry("devices", 0, proc_bus_nubus_dir, - get_nubus_dev_info); + proc_create("devices", 0, proc_bus_nubus_dir, &nubus_devices_proc_fops); proc_bus_nubus_add_devices(); } -- 1.5.4.3