From 3df3cc6d18b6dcd38c33c198fb8adf1f1fa5f4a7 Mon Sep 17 00:00:00 2001 From: Frank Pavlic Date: Tue, 13 Dec 2005 08:23:26 +0100 Subject: [PATCH] [PATCH] s390: remove redundant and useless code in qeth [patch 3/3] s390: remove redundant and useless code in qeth From: Frank Pavlic - remove redundant and useless code in qeth for procfs operations. - update Revision numbers Signed-off-by: Frank Pavlic diffstat: qeth_main.c | 6 - qeth_mpc.c | 2 qeth_mpc.h | 2 qeth_proc.c | 250 ++++++------------------------------------------------------ qeth_sys.c | 4 qeth_tso.h | 4 6 files changed, 38 insertions(+), 230 deletions(-) Signed-off-by: Jeff Garzik --- drivers/s390/net/qeth_main.c | 6 +- drivers/s390/net/qeth_mpc.c | 2 +- drivers/s390/net/qeth_mpc.h | 2 +- drivers/s390/net/qeth_proc.c | 250 ++++------------------------------- drivers/s390/net/qeth_sys.c | 4 +- drivers/s390/net/qeth_tso.h | 4 +- 6 files changed, 38 insertions(+), 230 deletions(-) diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index e693dc4ce860..f8f55cc468ba 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -1,6 +1,6 @@ /* * - * linux/drivers/s390/net/qeth_main.c ($Revision: 1.246 $) + * linux/drivers/s390/net/qeth_main.c ($Revision: 1.251 $) * * Linux on zSeries OSA Express and HiperSockets support * @@ -12,7 +12,7 @@ * Frank Pavlic (fpavlic@de.ibm.com) and * Thomas Spatzier * - * $Revision: 1.242 $ $Date: 2005/05/04 20:19:18 $ + * $Revision: 1.251 $ $Date: 2005/05/04 20:19:18 $ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -72,7 +72,7 @@ #include "qeth_eddp.h" #include "qeth_tso.h" -#define VERSION_QETH_C "$Revision: 1.246 $" +#define VERSION_QETH_C "$Revision: 1.251 $" static const char *version = "qeth S/390 OSA-Express driver"; /** diff --git a/drivers/s390/net/qeth_mpc.c b/drivers/s390/net/qeth_mpc.c index f0a080a9e515..5f8754addc14 100644 --- a/drivers/s390/net/qeth_mpc.c +++ b/drivers/s390/net/qeth_mpc.c @@ -11,7 +11,7 @@ #include #include "qeth_mpc.h" -const char *VERSION_QETH_MPC_C = "$Revision: 1.12 $"; +const char *VERSION_QETH_MPC_C = "$Revision: 1.13 $"; unsigned char IDX_ACTIVATE_READ[]={ 0x00,0x00,0x80,0x00, 0x00,0x00,0x00,0x00, diff --git a/drivers/s390/net/qeth_mpc.h b/drivers/s390/net/qeth_mpc.h index 00c71786e899..864cec5f6c62 100644 --- a/drivers/s390/net/qeth_mpc.h +++ b/drivers/s390/net/qeth_mpc.h @@ -14,7 +14,7 @@ #include -#define VERSION_QETH_MPC_H "$Revision: 1.44 $" +#define VERSION_QETH_MPC_H "$Revision: 1.46 $" extern const char *VERSION_QETH_MPC_C; diff --git a/drivers/s390/net/qeth_proc.c b/drivers/s390/net/qeth_proc.c index f2ccfea8fdb8..7bf35098831e 100644 --- a/drivers/s390/net/qeth_proc.c +++ b/drivers/s390/net/qeth_proc.c @@ -1,6 +1,6 @@ /* * - * linux/drivers/s390/net/qeth_fs.c ($Revision: 1.13 $) + * linux/drivers/s390/net/qeth_fs.c ($Revision: 1.16 $) * * Linux on zSeries OSA Express and HiperSockets support * This file contains code related to procfs. @@ -21,7 +21,7 @@ #include "qeth_mpc.h" #include "qeth_fs.h" -const char *VERSION_QETH_PROC_C = "$Revision: 1.13 $"; +const char *VERSION_QETH_PROC_C = "$Revision: 1.16 $"; /***** /proc/qeth *****/ #define QETH_PROCFILE_NAME "qeth" @@ -30,30 +30,26 @@ static struct proc_dir_entry *qeth_procfile; static int qeth_procfile_seq_match(struct device *dev, void *data) { - return 1; + return(dev ? 1 : 0); } static void * qeth_procfile_seq_start(struct seq_file *s, loff_t *offset) { - struct device *dev; - loff_t nr; - + struct device *dev = NULL; + loff_t nr = 0; + down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); - - nr = *offset; - if (nr == 0) + if (*offset == 0) return SEQ_START_TOKEN; - - dev = driver_find_device(&qeth_ccwgroup_driver.driver, NULL, - NULL, qeth_procfile_seq_match); - - /* get card at pos *offset */ - nr = *offset; - while (nr-- > 1 && dev) + while (1) { dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev, NULL, qeth_procfile_seq_match); - return (void *) dev; + if (++nr == *offset) + break; + put_device(dev); + } + return dev; } static void @@ -66,19 +62,14 @@ static void * qeth_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset) { struct device *prev, *next; - - if (it == SEQ_START_TOKEN) { - next = driver_find_device(&qeth_ccwgroup_driver.driver, - NULL, NULL, qeth_procfile_seq_match); - if (next) - (*offset)++; - return (void *) next; - } - prev = (struct device *) it; + + if (it == SEQ_START_TOKEN) + prev = NULL; + else + prev = (struct device *) it; next = driver_find_device(&qeth_ccwgroup_driver.driver, prev, NULL, qeth_procfile_seq_match); - if (next) - (*offset)++; + (*offset)++; return (void *) next; } @@ -87,7 +78,7 @@ qeth_get_router_str(struct qeth_card *card, int ipv) { int routing_type = 0; - if (ipv == 4){ + if (ipv == 4) { routing_type = card->options.route4.type; } else { #ifdef CONFIG_QETH_IPV6 @@ -154,6 +145,7 @@ qeth_procfile_seq_show(struct seq_file *s, void *it) card->qdio.in_buf_pool.buf_count); else seq_printf(s, " +++ LAN OFFLINE +++\n"); + put_device(device); } return 0; } @@ -184,51 +176,16 @@ static struct file_operations qeth_procfile_fops = { static struct proc_dir_entry *qeth_perf_procfile; #ifdef CONFIG_QETH_PERF_STATS - -static void * -qeth_perf_procfile_seq_start(struct seq_file *s, loff_t *offset) -{ - struct device *dev = NULL; - int nr; - - down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); - /* get card at pos *offset */ - dev = driver_find_device(&qeth_ccwgroup_driver.driver, NULL, NULL, - qeth_procfile_seq_match); - - /* get card at pos *offset */ - nr = *offset; - while (nr-- > 1 && dev) - dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev, - NULL, qeth_procfile_seq_match); - return (void *) dev; -} - -static void -qeth_perf_procfile_seq_stop(struct seq_file *s, void* it) -{ - up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); -} - -static void * -qeth_perf_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset) -{ - struct device *prev, *next; - - prev = (struct device *) it; - next = driver_find_device(&qeth_ccwgroup_driver.driver, prev, - NULL, qeth_procfile_seq_match); - if (next) - (*offset)++; - return (void *) next; -} - static int qeth_perf_procfile_seq_show(struct seq_file *s, void *it) { struct device *device; struct qeth_card *card; + + if (it == SEQ_START_TOKEN) + return 0; + device = (struct device *) it; card = device->driver_data; seq_printf(s, "For card with devnos %s/%s/%s (%s):\n", @@ -295,13 +252,14 @@ qeth_perf_procfile_seq_show(struct seq_file *s, void *it) card->perf_stats.outbound_do_qdio_time, card->perf_stats.outbound_do_qdio_cnt ); + put_device(device); return 0; } static struct seq_operations qeth_perf_procfile_seq_ops = { - .start = qeth_perf_procfile_seq_start, - .stop = qeth_perf_procfile_seq_stop, - .next = qeth_perf_procfile_seq_next, + .start = qeth_procfile_seq_start, + .stop = qeth_procfile_seq_stop, + .next = qeth_procfile_seq_next, .show = qeth_perf_procfile_seq_show, }; @@ -324,93 +282,6 @@ static struct file_operations qeth_perf_procfile_fops = { #define qeth_perf_procfile_created 1 #endif /* CONFIG_QETH_PERF_STATS */ -/***** /proc/qeth_ipa_takeover *****/ -#define QETH_IPATO_PROCFILE_NAME "qeth_ipa_takeover" -static struct proc_dir_entry *qeth_ipato_procfile; - -static void * -qeth_ipato_procfile_seq_start(struct seq_file *s, loff_t *offset) -{ - struct device *dev; - loff_t nr; - - down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); - /* TODO: finish this */ - /* - * maybe SEQ_SATRT_TOKEN can be returned for offset 0 - * output driver settings then; - * else output setting for respective card - */ - - dev = driver_find_device(&qeth_ccwgroup_driver.driver, NULL, NULL, - qeth_procfile_seq_match); - - /* get card at pos *offset */ - nr = *offset; - while (nr-- > 1 && dev) - dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev, - NULL, qeth_procfile_seq_match); - return (void *) dev; -} - -static void -qeth_ipato_procfile_seq_stop(struct seq_file *s, void* it) -{ - up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); -} - -static void * -qeth_ipato_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset) -{ - struct device *prev, *next; - - prev = (struct device *) it; - next = driver_find_device(&qeth_ccwgroup_driver.driver, prev, - NULL, qeth_procfile_seq_match); - if (next) - (*offset)++; - return (void *) next; -} - -static int -qeth_ipato_procfile_seq_show(struct seq_file *s, void *it) -{ - struct device *device; - struct qeth_card *card; - - /* TODO: finish this */ - /* - * maybe SEQ_SATRT_TOKEN can be returned for offset 0 - * output driver settings then; - * else output setting for respective card - */ - device = (struct device *) it; - card = device->driver_data; - - return 0; -} - -static struct seq_operations qeth_ipato_procfile_seq_ops = { - .start = qeth_ipato_procfile_seq_start, - .stop = qeth_ipato_procfile_seq_stop, - .next = qeth_ipato_procfile_seq_next, - .show = qeth_ipato_procfile_seq_show, -}; - -static int -qeth_ipato_procfile_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &qeth_ipato_procfile_seq_ops); -} - -static struct file_operations qeth_ipato_procfile_fops = { - .owner = THIS_MODULE, - .open = qeth_ipato_procfile_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; - int __init qeth_create_procfs_entries(void) { @@ -426,13 +297,7 @@ qeth_create_procfs_entries(void) qeth_perf_procfile->proc_fops = &qeth_perf_procfile_fops; #endif /* CONFIG_QETH_PERF_STATS */ - qeth_ipato_procfile = create_proc_entry(QETH_IPATO_PROCFILE_NAME, - S_IFREG | 0444, NULL); - if (qeth_ipato_procfile) - qeth_ipato_procfile->proc_fops = &qeth_ipato_procfile_fops; - if (qeth_procfile && - qeth_ipato_procfile && qeth_perf_procfile_created) return 0; else @@ -446,62 +311,5 @@ qeth_remove_procfs_entries(void) remove_proc_entry(QETH_PROCFILE_NAME, NULL); if (qeth_perf_procfile) remove_proc_entry(QETH_PERF_PROCFILE_NAME, NULL); - if (qeth_ipato_procfile) - remove_proc_entry(QETH_IPATO_PROCFILE_NAME, NULL); } - -/* ONLY FOR DEVELOPMENT! -> make it as module */ -/* -static void -qeth_create_sysfs_entries(void) -{ - struct device *dev; - - down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); - - list_for_each_entry(dev, &qeth_ccwgroup_driver.driver.devices, - driver_list) - qeth_create_device_attributes(dev); - - up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); -} - -static void -qeth_remove_sysfs_entries(void) -{ - struct device *dev; - - down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); - - list_for_each_entry(dev, &qeth_ccwgroup_driver.driver.devices, - driver_list) - qeth_remove_device_attributes(dev); - - up_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); -} - -static int __init -qeth_fs_init(void) -{ - printk(KERN_INFO "qeth_fs_init\n"); - qeth_create_procfs_entries(); - qeth_create_sysfs_entries(); - - return 0; -} - -static void __exit -qeth_fs_exit(void) -{ - printk(KERN_INFO "qeth_fs_exit\n"); - qeth_remove_procfs_entries(); - qeth_remove_sysfs_entries(); -} - - -module_init(qeth_fs_init); -module_exit(qeth_fs_exit); - -MODULE_LICENSE("GPL"); -*/ diff --git a/drivers/s390/net/qeth_sys.c b/drivers/s390/net/qeth_sys.c index 80925964eb7e..0ea185f70f75 100644 --- a/drivers/s390/net/qeth_sys.c +++ b/drivers/s390/net/qeth_sys.c @@ -1,6 +1,6 @@ /* * - * linux/drivers/s390/net/qeth_sys.c ($Revision: 1.59 $) + * linux/drivers/s390/net/qeth_sys.c ($Revision: 1.60 $) * * Linux on zSeries OSA Express and HiperSockets support * This file contains code related to sysfs. @@ -20,7 +20,7 @@ #include "qeth_mpc.h" #include "qeth_fs.h" -const char *VERSION_QETH_SYS_C = "$Revision: 1.59 $"; +const char *VERSION_QETH_SYS_C = "$Revision: 1.60 $"; /*****************************************************************************/ /* */ diff --git a/drivers/s390/net/qeth_tso.h b/drivers/s390/net/qeth_tso.h index e245af3c4cbd..3c50b6f24f51 100644 --- a/drivers/s390/net/qeth_tso.h +++ b/drivers/s390/net/qeth_tso.h @@ -1,5 +1,5 @@ /* - * linux/drivers/s390/net/qeth_tso.h ($Revision: 1.7 $) + * linux/drivers/s390/net/qeth_tso.h ($Revision: 1.8 $) * * Header file for qeth TCP Segmentation Offload support. * @@ -7,7 +7,7 @@ * * Author(s): Frank Pavlic * - * $Revision: 1.7 $ $Date: 2005/05/04 20:19:18 $ + * $Revision: 1.8 $ $Date: 2005/05/04 20:19:18 $ * */ #ifndef __QETH_TSO_H__