[Ocfs2-devel] [PATCH 1/1] ocfs2/net: Add debug interface to o2net
Joel Becker
Joel.Becker at oracle.com
Wed Apr 9 17:19:40 PDT 2008
On Wed, Apr 02, 2008 at 12:40:10PM -0700, Sunil Mushran wrote:
> This patch exposes o2net information via debugfs. The information includes
> the list of sockets (sock_containers) as well as the list of outstanding
> messages (send_tracking). Useful for o2dlm debugging.
>
> (This patch is derived from an earlier one written by Zach Brown that
> exposed the same information via /proc.)
>
> Signed-off-by: Sunil Mushran <sunil.mushran at oracle.com>
Signed-off-by: Joel Becker <joel.becker at oracle.com>
> ---
> fs/ocfs2/cluster/Makefile | 2 +-
> fs/ocfs2/cluster/netdebug.c | 437 +++++++++++++++++++++++++++++++++++++++
> fs/ocfs2/cluster/nodemanager.c | 5 +-
> fs/ocfs2/cluster/tcp.c | 20 ++
> fs/ocfs2/cluster/tcp.h | 32 +++
> fs/ocfs2/cluster/tcp_internal.h | 83 ++++++++-
> 6 files changed, 576 insertions(+), 3 deletions(-)
> create mode 100644 fs/ocfs2/cluster/netdebug.c
>
> diff --git a/fs/ocfs2/cluster/Makefile b/fs/ocfs2/cluster/Makefile
> index cdd162f..bc8c5e7 100644
> --- a/fs/ocfs2/cluster/Makefile
> +++ b/fs/ocfs2/cluster/Makefile
> @@ -1,4 +1,4 @@
> obj-$(CONFIG_OCFS2_FS) += ocfs2_nodemanager.o
>
> ocfs2_nodemanager-objs := heartbeat.o masklog.o sys.o nodemanager.o \
> - quorum.o tcp.o ver.o
> + quorum.o tcp.o netdebug.o ver.o
> diff --git a/fs/ocfs2/cluster/netdebug.c b/fs/ocfs2/cluster/netdebug.c
> new file mode 100644
> index 0000000..b80e6e9
> --- /dev/null
> +++ b/fs/ocfs2/cluster/netdebug.c
> @@ -0,0 +1,437 @@
> +/* -*- mode: c; c-basic-offset: 8; -*-
> + * vim: noexpandtab sw=8 ts=8 sts=0:
> + *
> + * netdebug.c
> + *
> + * debug functionality for o2net
> + *
> + * Copyright (C) 2005, 2008 Oracle. All rights reserved.
> + *
> + * 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 the Free Software Foundation; either
> + * version 2 of the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + * General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public
> + * License along with this program; if not, write to the
> + * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
> + * Boston, MA 021110-1307, USA.
> + *
> + */
> +
> +#ifdef CONFIG_DEBUG_FS
> +
> +#include <linux/module.h>
> +#include <linux/types.h>
> +#include <linux/slab.h>
> +#include <linux/idr.h>
> +#include <linux/kref.h>
> +#include <linux/seq_file.h>
> +#include <linux/debugfs.h>
> +
> +#include <asm/uaccess.h>
> +
> +#include "tcp.h"
> +#include "nodemanager.h"
> +#define MLOG_MASK_PREFIX ML_TCP
> +#include "masklog.h"
> +
> +#include "tcp_internal.h"
> +
> +#define O2NET_DEBUG_DIR "o2net"
> +#define SC_DEBUG_NAME "sock_containers"
> +#define NST_DEBUG_NAME "send_tracking"
> +
> +static struct dentry *o2net_dentry = NULL;
> +static struct dentry *sc_dentry = NULL;
> +static struct dentry *nst_dentry = NULL;
> +
> +static spinlock_t o2net_debug_lock = SPIN_LOCK_UNLOCKED;
> +
> +static LIST_HEAD(sock_containers);
> +static LIST_HEAD(send_tracking);
> +
> +void o2net_debug_add_nst(struct o2net_send_tracking *nst)
> +{
> + spin_lock(&o2net_debug_lock);
> + list_add(&nst->st_net_debug_item, &send_tracking);
> + spin_unlock(&o2net_debug_lock);
> +}
> +
> +void o2net_debug_del_nst(struct o2net_send_tracking *nst)
> +{
> + spin_lock(&o2net_debug_lock);
> + if (!list_empty(&nst->st_net_debug_item))
> + list_del_init(&nst->st_net_debug_item);
> + spin_unlock(&o2net_debug_lock);
> +}
> +
> +static struct o2net_send_tracking *next_nst(struct o2net_send_tracking *nst_start)
> +{
> + struct o2net_send_tracking *nst, *ret = NULL;
> +
> + assert_spin_locked(&o2net_debug_lock);
> +
> + list_for_each_entry(nst, &nst_start->st_net_debug_item,
> + st_net_debug_item) {
> + /* discover the head of the list */
> + if (&nst->st_net_debug_item == &send_tracking)
> + break;
> +
> + /* use st_task to detect real nsts in the list */
> + if (nst->st_task != NULL) {
> + ret = nst;
> + break;
> + }
> + }
> +
> + return ret;
> +}
> +
> +static void *nst_seq_start(struct seq_file *seq, loff_t *pos)
> +{
> + struct o2net_send_tracking *nst, *dummy_nst = seq->private;
> +
> + spin_lock(&o2net_debug_lock);
> + nst = next_nst(dummy_nst);
> + spin_unlock(&o2net_debug_lock);
> +
> + return nst;
> +}
> +
> +static void *nst_seq_next(struct seq_file *seq, void *v, loff_t *pos)
> +{
> + struct o2net_send_tracking *nst, *dummy_nst = seq->private;
> +
> + spin_lock(&o2net_debug_lock);
> + nst = next_nst(dummy_nst);
> + list_del_init(&dummy_nst->st_net_debug_item);
> + if (nst)
> + list_add(&dummy_nst->st_net_debug_item,
> + &nst->st_net_debug_item);
> + spin_unlock(&o2net_debug_lock);
> +
> + return nst; /* unused, just needs to be null when done */
> +}
> +
> +static int nst_seq_show(struct seq_file *seq, void *v)
> +{
> + struct o2net_send_tracking *nst, *dummy_nst = seq->private;
> +
> + spin_lock(&o2net_debug_lock);
> + nst = next_nst(dummy_nst);
> +
> + if (nst != NULL) {
> + /* get_task_comm isn't exported. oh well. */
> + seq_printf(seq, "%p:\n"
> + " pid: %lu\n"
> + " tgid: %lu\n"
> + " process name: %s\n"
> + " node: %u\n"
> + " sc: %p\n"
> + " message id: %d\n"
> + " message type: %u\n"
> + " message key: 0x%08x\n"
> + " sock acquiry: %lu.%lu\n"
> + " send start: %lu.%lu\n"
> + " wait start: %lu.%lu\n",
> + nst, (unsigned long)nst->st_task->pid,
> + (unsigned long)nst->st_task->tgid,
> + nst->st_task->comm, nst->st_node,
> + nst->st_sc, nst->st_id, nst->st_msg_type,
> + nst->st_msg_key,
> + nst->st_sock_time.tv_sec, nst->st_sock_time.tv_usec,
> + nst->st_send_time.tv_sec, nst->st_send_time.tv_usec,
> + nst->st_status_time.tv_sec,
> + nst->st_status_time.tv_usec);
> + }
> +
> + spin_unlock(&o2net_debug_lock);
> +
> + return 0;
> +}
> +
> +static void nst_seq_stop(struct seq_file *seq, void *v)
> +{
> +}
> +
> +static struct seq_operations nst_seq_ops = {
> + .start = nst_seq_start,
> + .next = nst_seq_next,
> + .stop = nst_seq_stop,
> + .show = nst_seq_show,
> +};
> +
> +static int nst_fop_open(struct inode *inode, struct file *file)
> +{
> + struct o2net_send_tracking *dummy_nst;
> + struct seq_file *seq;
> + int ret;
> +
> + dummy_nst = kmalloc(sizeof(struct o2net_send_tracking), GFP_KERNEL);
> + if (dummy_nst == NULL) {
> + ret = -ENOMEM;
> + goto out;
> + }
> + dummy_nst->st_task = NULL;
> +
> + ret = seq_open(file, &nst_seq_ops);
> + if (ret)
> + goto out;
> +
> + seq = file->private_data;
> + seq->private = dummy_nst;
> + o2net_debug_add_nst(dummy_nst);
> +
> + dummy_nst = NULL;
> +
> +out:
> + kfree(dummy_nst);
> + return ret;
> +}
> +
> +static int nst_fop_release(struct inode *inode, struct file *file)
> +{
> + struct seq_file *seq = file->private_data;
> + struct o2net_send_tracking *dummy_nst = seq->private;
> +
> + o2net_debug_del_nst(dummy_nst);
> + return seq_release_private(inode, file);
> +}
> +
> +static struct file_operations nst_seq_fops = {
> + .open = nst_fop_open,
> + .read = seq_read,
> + .llseek = seq_lseek,
> + .release = nst_fop_release,
> +};
> +
> +void o2net_debug_add_sc(struct o2net_sock_container *sc)
> +{
> + spin_lock(&o2net_debug_lock);
> + list_add(&sc->sc_net_debug_item, &sock_containers);
> + spin_unlock(&o2net_debug_lock);
> +}
> +
> +void o2net_debug_del_sc(struct o2net_sock_container *sc)
> +{
> + spin_lock(&o2net_debug_lock);
> + list_del_init(&sc->sc_net_debug_item);
> + spin_unlock(&o2net_debug_lock);
> +}
> +
> +static struct o2net_sock_container *next_sc(struct o2net_sock_container *sc_start)
> +{
> + struct o2net_sock_container *sc, *ret = NULL;
> +
> + assert_spin_locked(&o2net_debug_lock);
> +
> + list_for_each_entry(sc, &sc_start->sc_net_debug_item, sc_net_debug_item) {
> + /* discover the head of the list miscast as a sc */
> + if (&sc->sc_net_debug_item == &sock_containers)
> + break;
> +
> + /* use sc_page to detect real scs in the list */
> + if (sc->sc_page != NULL) {
> + ret = sc;
> + break;
> + }
> + }
> +
> + return ret;
> +}
> +
> +static void *sc_seq_start(struct seq_file *seq, loff_t *pos)
> +{
> + struct o2net_sock_container *sc, *dummy_sc = seq->private;
> +
> + spin_lock(&o2net_debug_lock);
> + sc = next_sc(dummy_sc);
> + spin_unlock(&o2net_debug_lock);
> +
> + return sc;
> +}
> +
> +static void *sc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
> +{
> + struct o2net_sock_container *sc, *dummy_sc = seq->private;
> +
> + spin_lock(&o2net_debug_lock);
> + sc = next_sc(dummy_sc);
> + list_del_init(&dummy_sc->sc_net_debug_item);
> + if (sc)
> + list_add(&dummy_sc->sc_net_debug_item, &sc->sc_net_debug_item);
> + spin_unlock(&o2net_debug_lock);
> +
> + return sc; /* unused, just needs to be null when done */
> +}
> +
> +#define TV_SEC_USEC(TV) TV.tv_sec, TV.tv_usec
> +
> +static int sc_seq_show(struct seq_file *seq, void *v)
> +{
> + struct o2net_sock_container *sc, *dummy_sc = seq->private;
> +
> + spin_lock(&o2net_debug_lock);
> + sc = next_sc(dummy_sc);
> +
> + if (sc != NULL) {
> + struct inet_sock *inet = NULL;
> +
> + __be32 saddr = 0, daddr = 0;
> + __be16 sport = 0, dport = 0;
> +
> + if (sc->sc_sock) {
> + inet = inet_sk(sc->sc_sock->sk);
> + /* the stack's structs aren't sparse endian clean */
> + saddr = (__force __be32)inet->saddr;
> + daddr = (__force __be32)inet->daddr;
> + sport = (__force __be16)inet->sport;
> + dport = (__force __be16)inet->dport;
> + }
> +
> + /* XXX sigh, inet-> doesn't have sparse annotation so any
> + * use of it here generates a warning with -Wbitwise */
> + seq_printf(seq, "%p:\n"
> + " krefs: %d\n"
> + " sock: %u.%u.%u.%u:%u -> %u.%u.%u.%u:%u\n"
> + " remote node: %s\n"
> + " page off: %zu\n"
> + " handshake ok: %u\n"
> + " timer: %lu.%lu\n"
> + " data ready: %lu.%lu\n"
> + " advance start: %lu.%lu\n"
> + " advance stop: %lu.%lu\n"
> + " func start: %lu.%lu\n"
> + " func stop: %lu.%lu\n"
> + " func key: %u\n"
> + " func type: %u\n",
> + sc,
> + atomic_read(&sc->sc_kref.refcount),
> + NIPQUAD(saddr), inet ? ntohs(sport) : 0,
> + NIPQUAD(daddr), inet ? ntohs(dport) : 0,
> + sc->sc_node->nd_name,
> + sc->sc_page_off,
> + sc->sc_handshake_ok,
> + TV_SEC_USEC(sc->sc_tv_timer),
> + TV_SEC_USEC(sc->sc_tv_data_ready),
> + TV_SEC_USEC(sc->sc_tv_advance_start),
> + TV_SEC_USEC(sc->sc_tv_advance_stop),
> + TV_SEC_USEC(sc->sc_tv_func_start),
> + TV_SEC_USEC(sc->sc_tv_func_stop),
> + sc->sc_msg_key,
> + sc->sc_msg_type);
> + }
> +
> +
> + spin_unlock(&o2net_debug_lock);
> +
> + return 0;
> +}
> +
> +static void sc_seq_stop(struct seq_file *seq, void *v)
> +{
> +}
> +
> +static struct seq_operations sc_seq_ops = {
> + .start = sc_seq_start,
> + .next = sc_seq_next,
> + .stop = sc_seq_stop,
> + .show = sc_seq_show,
> +};
> +
> +static int sc_fop_open(struct inode *inode, struct file *file)
> +{
> + struct o2net_sock_container *dummy_sc;
> + struct seq_file *seq;
> + int ret;
> +
> + dummy_sc = kmalloc(sizeof(struct o2net_sock_container), GFP_KERNEL);
> + if (dummy_sc == NULL) {
> + ret = -ENOMEM;
> + goto out;
> + }
> + dummy_sc->sc_page = NULL;
> +
> + ret = seq_open(file, &sc_seq_ops);
> + if (ret)
> + goto out;
> +
> + seq = file->private_data;
> + seq->private = dummy_sc;
> + o2net_debug_add_sc(dummy_sc);
> +
> + dummy_sc = NULL;
> +
> +out:
> + kfree(dummy_sc);
> + return ret;
> +}
> +
> +static int sc_fop_release(struct inode *inode, struct file *file)
> +{
> + struct seq_file *seq = file->private_data;
> + struct o2net_sock_container *dummy_sc = seq->private;
> +
> + o2net_debug_del_sc(dummy_sc);
> + return seq_release_private(inode, file);
> +}
> +
> +static struct file_operations sc_seq_fops = {
> + .open = sc_fop_open,
> + .read = seq_read,
> + .llseek = seq_lseek,
> + .release = sc_fop_release,
> +};
> +
> +int o2net_debugfs_init(void)
> +{
> + o2net_dentry = debugfs_create_dir(O2NET_DEBUG_DIR, NULL);
> + if (!o2net_dentry) {
> + mlog_errno(-ENOMEM);
> + goto bail;
> + }
> +
> + nst_dentry = debugfs_create_file(NST_DEBUG_NAME, S_IFREG|S_IRUSR,
> + o2net_dentry, NULL,
> + &nst_seq_fops);
> + if (!nst_dentry) {
> + mlog_errno(-ENOMEM);
> + goto bail;
> + }
> +
> + sc_dentry = debugfs_create_file(SC_DEBUG_NAME, S_IFREG|S_IRUSR,
> + o2net_dentry, NULL,
> + &sc_seq_fops);
> + if (!sc_dentry) {
> + mlog_errno(-ENOMEM);
> + goto bail;
> + }
> +
> + return 0;
> +bail:
> + if (sc_dentry)
> + debugfs_remove(sc_dentry);
> + if (nst_dentry)
> + debugfs_remove(nst_dentry);
> + if (o2net_dentry)
> + debugfs_remove(o2net_dentry);
> + return -ENOMEM;
> +}
> +
> +void o2net_debugfs_exit(void)
> +{
> + if (sc_dentry)
> + debugfs_remove(sc_dentry);
> + if (nst_dentry)
> + debugfs_remove(nst_dentry);
> + if (o2net_dentry)
> + debugfs_remove(o2net_dentry);
> +}
> +
> +#endif /* CONFIG_DEBUG_FS */
> diff --git a/fs/ocfs2/cluster/nodemanager.c b/fs/ocfs2/cluster/nodemanager.c
> index 709fba2..cf9401e 100644
> --- a/fs/ocfs2/cluster/nodemanager.c
> +++ b/fs/ocfs2/cluster/nodemanager.c
> @@ -959,7 +959,10 @@ static int __init init_o2nm(void)
> cluster_print_version();
>
> o2hb_init();
> - o2net_init();
> +
> + ret = o2net_init();
> + if (ret)
> + goto out;
>
> ocfs2_table_header = register_sysctl_table(ocfs2_root_table);
> if (!ocfs2_table_header) {
> diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
> index b8057c5..c2af3c4 100644
> --- a/fs/ocfs2/cluster/tcp.c
> +++ b/fs/ocfs2/cluster/tcp.c
> @@ -296,6 +296,7 @@ static void sc_kref_release(struct kref *kref)
> o2nm_node_put(sc->sc_node);
> sc->sc_node = NULL;
>
> + o2net_debug_del_sc(sc);
> kfree(sc);
> }
>
> @@ -336,6 +337,7 @@ static struct o2net_sock_container *sc_alloc(struct o2nm_node *node)
>
> ret = sc;
> sc->sc_page = page;
> + o2net_debug_add_sc(sc);
> sc = NULL;
> page = NULL;
>
> @@ -914,6 +916,9 @@ int o2net_send_message_vec(u32 msg_type, u32 key, struct kvec *caller_vec,
> struct o2net_status_wait nsw = {
> .ns_node_item = LIST_HEAD_INIT(nsw.ns_node_item),
> };
> + struct o2net_send_tracking nst;
> +
> + o2net_init_nst(&nst, msg_type, key, current, target_node);
>
> if (o2net_wq == NULL) {
> mlog(0, "attempt to tx without o2netd running\n");
> @@ -939,6 +944,10 @@ int o2net_send_message_vec(u32 msg_type, u32 key, struct kvec *caller_vec,
> goto out;
> }
>
> + o2net_debug_add_nst(&nst);
> +
> + o2net_set_nst_sock_time(&nst);
> +
> ret = wait_event_interruptible(nn->nn_sc_wq,
> o2net_tx_can_proceed(nn, &sc, &error));
> if (!ret && error)
> @@ -946,6 +955,8 @@ int o2net_send_message_vec(u32 msg_type, u32 key, struct kvec *caller_vec,
> if (ret)
> goto out;
>
> + o2net_set_nst_sock_container(&nst, sc);
> +
> veclen = caller_veclen + 1;
> vec = kmalloc(sizeof(struct kvec) * veclen, GFP_ATOMIC);
> if (vec == NULL) {
> @@ -972,6 +983,9 @@ int o2net_send_message_vec(u32 msg_type, u32 key, struct kvec *caller_vec,
> goto out;
>
> msg->msg_num = cpu_to_be32(nsw.ns_id);
> + o2net_set_nst_msg_id(&nst, nsw.ns_id);
> +
> + o2net_set_nst_send_time(&nst);
>
> /* finally, convert the message header to network byte-order
> * and send */
> @@ -986,6 +1000,7 @@ int o2net_send_message_vec(u32 msg_type, u32 key, struct kvec *caller_vec,
> }
>
> /* wait on other node's handler */
> + o2net_set_nst_status_time(&nst);
> wait_event(nsw.ns_wq, o2net_nsw_completed(nn, &nsw));
>
> /* Note that we avoid overwriting the callers status return
> @@ -998,6 +1013,7 @@ int o2net_send_message_vec(u32 msg_type, u32 key, struct kvec *caller_vec,
> mlog(0, "woken, returning system status %d, user status %d\n",
> ret, nsw.ns_status);
> out:
> + o2net_debug_del_nst(&nst); /* must be before dropping sc and node */
> if (sc)
> sc_put(sc);
> if (vec)
> @@ -1922,6 +1938,9 @@ int o2net_init(void)
>
> o2quo_init();
>
> + if (o2net_debugfs_init())
> + return -ENOMEM;
> +
> o2net_hand = kzalloc(sizeof(struct o2net_handshake), GFP_KERNEL);
> o2net_keep_req = kzalloc(sizeof(struct o2net_msg), GFP_KERNEL);
> o2net_keep_resp = kzalloc(sizeof(struct o2net_msg), GFP_KERNEL);
> @@ -1962,4 +1981,5 @@ void o2net_exit(void)
> kfree(o2net_hand);
> kfree(o2net_keep_req);
> kfree(o2net_keep_resp);
> + o2net_debugfs_exit();
> }
> diff --git a/fs/ocfs2/cluster/tcp.h b/fs/ocfs2/cluster/tcp.h
> index f36f66a..a705d5d 100644
> --- a/fs/ocfs2/cluster/tcp.h
> +++ b/fs/ocfs2/cluster/tcp.h
> @@ -117,4 +117,36 @@ int o2net_num_connected_peers(void);
> int o2net_init(void);
> void o2net_exit(void);
>
> +struct o2net_send_tracking;
> +struct o2net_sock_container;
> +
> +#ifdef CONFIG_DEBUG_FS
> +int o2net_debugfs_init(void);
> +void o2net_debugfs_exit(void);
> +void o2net_debug_add_nst(struct o2net_send_tracking *nst);
> +void o2net_debug_del_nst(struct o2net_send_tracking *nst);
> +void o2net_debug_add_sc(struct o2net_sock_container *sc);
> +void o2net_debug_del_sc(struct o2net_sock_container *sc);
> +#else
> +static int o2net_debugfs_init(void)
> +{
> + return 0;
> +}
> +static void o2net_debugfs_exit(void)
> +{
> +}
> +static void o2net_debug_add_nst(struct o2net_send_tracking *nst)
> +{
> +}
> +static void o2net_debug_del_nst(struct o2net_send_tracking *nst)
> +{
> +}
> +static void o2net_debug_add_sc(struct o2net_sock_container *sc)
> +{
> +}
> +static void o2net_debug_del_sc(struct o2net_sock_container *sc)
> +{
> +}
> +#endif /* CONFIG_DEBUG_FS */
> +
> #endif /* O2CLUSTER_TCP_H */
> diff --git a/fs/ocfs2/cluster/tcp_internal.h b/fs/ocfs2/cluster/tcp_internal.h
> index d25b9af..68f2448 100644
> --- a/fs/ocfs2/cluster/tcp_internal.h
> +++ b/fs/ocfs2/cluster/tcp_internal.h
> @@ -164,7 +164,9 @@ struct o2net_sock_container {
> /* original handlers for the sockets */
> void (*sc_state_change)(struct sock *sk);
> void (*sc_data_ready)(struct sock *sk, int bytes);
> -
> +#ifdef CONFIG_DEBUG_FS
> + struct list_head sc_net_debug_item;
> +#endif
> struct timeval sc_tv_timer;
> struct timeval sc_tv_data_ready;
> struct timeval sc_tv_advance_start;
> @@ -206,4 +208,83 @@ struct o2net_status_wait {
> struct list_head ns_node_item;
> };
>
> +#ifdef CONFIG_DEBUG_FS
> +/* just for state dumps */
> +struct o2net_send_tracking {
> + struct list_head st_net_debug_item;
> + struct task_struct *st_task;
> + struct o2net_sock_container *st_sc;
> + u32 st_id;
> + u32 st_msg_type;
> + u32 st_msg_key;
> + u8 st_node;
> + struct timeval st_sock_time;
> + struct timeval st_send_time;
> + struct timeval st_status_time;
> +};
> +
> +static void o2net_init_nst(struct o2net_send_tracking *nst, u32 msgtype,
> + u32 msgkey, struct task_struct *task, u8 node)
> +{
> + INIT_LIST_HEAD(&nst->st_net_debug_item);
> + nst->st_task = task;
> + nst->st_msg_type = msgtype;
> + nst->st_msg_key = msgkey;
> + nst->st_node = node;
> +}
> +
> +static void o2net_set_nst_sock_time(struct o2net_send_tracking *nst)
> +{
> + do_gettimeofday(&nst->st_sock_time);
> +}
> +
> +static void o2net_set_nst_send_time(struct o2net_send_tracking *nst)
> +{
> + do_gettimeofday(&nst->st_send_time);
> +}
> +
> +static void o2net_set_nst_status_time(struct o2net_send_tracking *nst)
> +{
> + do_gettimeofday(&nst->st_status_time);
> +}
> +
> +static void o2net_set_nst_sock_container(struct o2net_send_tracking *nst,
> + struct o2net_sock_container *sc)
> +{
> + nst->st_sc = sc;
> +}
> +
> +static void o2net_set_nst_msg_id(struct o2net_send_tracking *nst, u32 msg_id)
> +{
> + nst->st_id = msg_id;
> +}
> +
> +#else /* CONFIG_DEBUG_FS */
> +
> +struct o2net_send_tracking {
> + u32 dummy;
> +};
> +
> +static void o2net_init_nst(struct o2net_send_tracking *nst, u32 msgtype,
> + u32 msgkey, struct task_struct *task, u8 node)
> +{
> +}
> +static void o2net_set_nst_sock_time(struct o2net_send_tracking *nst)
> +{
> +}
> +static void o2net_set_nst_send_time(struct o2net_send_tracking *nst)
> +{
> +}
> +static void o2net_set_nst_status_time(struct o2net_send_tracking *nst)
> +{
> +}
> +static void o2net_set_nst_sock_container(struct o2net_send_tracking *nst,
> + struct o2net_sock_container *sc)
> +{
> +}
> +static void o2net_set_nst_msg_id(struct o2net_send_tracking *nst, u32 msg_id)
> +{
> +}
> +#endif /* CONFIG_DEBUG_FS */
> +
> #endif /* O2CLUSTER_TCP_INTERNAL_H */
> --
> 1.5.3.4
>
>
> _______________________________________________
> Ocfs2-devel mailing list
> Ocfs2-devel at oss.oracle.com
> http://oss.oracle.com/mailman/listinfo/ocfs2-devel
--
"The nearest approach to immortality on Earth is a government
bureau."
- James F. Byrnes
Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker at oracle.com
Phone: (650) 506-8127
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