Commit 8e17d16f authored by Sunil Mushran's avatar Sunil Mushran Committed by Joel Becker

ocfs2/dlm: Cleanup mlogs in dlmthread.c, dlmast.c and dlmdomain.c

Add the domain name and the resource name in the mlogs.
Signed-off-by: default avatarSunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: default avatarJoel Becker <joel.becker@oracle.com>
parent 50308d81
...@@ -90,19 +90,29 @@ static int dlm_should_cancel_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock) ...@@ -90,19 +90,29 @@ static int dlm_should_cancel_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
void __dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock) void __dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
{ {
mlog_entry_void(); struct dlm_lock_resource *res;
BUG_ON(!dlm); BUG_ON(!dlm);
BUG_ON(!lock); BUG_ON(!lock);
res = lock->lockres;
assert_spin_locked(&dlm->ast_lock); assert_spin_locked(&dlm->ast_lock);
if (!list_empty(&lock->ast_list)) { if (!list_empty(&lock->ast_list)) {
mlog(ML_ERROR, "ast list not empty!! pending=%d, newlevel=%d\n", mlog(ML_ERROR, "%s: res %.*s, lock %u:%llu, "
"AST list not empty, pending %d, newlevel %d\n",
dlm->name, res->lockname.len, res->lockname.name,
dlm_get_lock_cookie_node(be64_to_cpu(lock->ml.cookie)),
dlm_get_lock_cookie_seq(be64_to_cpu(lock->ml.cookie)),
lock->ast_pending, lock->ml.type); lock->ast_pending, lock->ml.type);
BUG(); BUG();
} }
if (lock->ast_pending) if (lock->ast_pending)
mlog(0, "lock has an ast getting flushed right now\n"); mlog(0, "%s: res %.*s, lock %u:%llu, AST getting flushed\n",
dlm->name, res->lockname.len, res->lockname.name,
dlm_get_lock_cookie_node(be64_to_cpu(lock->ml.cookie)),
dlm_get_lock_cookie_seq(be64_to_cpu(lock->ml.cookie)));
/* putting lock on list, add a ref */ /* putting lock on list, add a ref */
dlm_lock_get(lock); dlm_lock_get(lock);
...@@ -110,9 +120,10 @@ void __dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock) ...@@ -110,9 +120,10 @@ void __dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
/* check to see if this ast obsoletes the bast */ /* check to see if this ast obsoletes the bast */
if (dlm_should_cancel_bast(dlm, lock)) { if (dlm_should_cancel_bast(dlm, lock)) {
struct dlm_lock_resource *res = lock->lockres; mlog(0, "%s: res %.*s, lock %u:%llu, Cancelling BAST\n",
mlog(0, "%s: cancelling bast for %.*s\n", dlm->name, res->lockname.len, res->lockname.name,
dlm->name, res->lockname.len, res->lockname.name); dlm_get_lock_cookie_node(be64_to_cpu(lock->ml.cookie)),
dlm_get_lock_cookie_seq(be64_to_cpu(lock->ml.cookie)));
lock->bast_pending = 0; lock->bast_pending = 0;
list_del_init(&lock->bast_list); list_del_init(&lock->bast_list);
lock->ml.highest_blocked = LKM_IVMODE; lock->ml.highest_blocked = LKM_IVMODE;
...@@ -134,8 +145,6 @@ void __dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock) ...@@ -134,8 +145,6 @@ void __dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
void dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock) void dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
{ {
mlog_entry_void();
BUG_ON(!dlm); BUG_ON(!dlm);
BUG_ON(!lock); BUG_ON(!lock);
...@@ -147,15 +156,21 @@ void dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock) ...@@ -147,15 +156,21 @@ void dlm_queue_ast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
void __dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock) void __dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
{ {
mlog_entry_void(); struct dlm_lock_resource *res;
BUG_ON(!dlm); BUG_ON(!dlm);
BUG_ON(!lock); BUG_ON(!lock);
assert_spin_locked(&dlm->ast_lock); assert_spin_locked(&dlm->ast_lock);
res = lock->lockres;
BUG_ON(!list_empty(&lock->bast_list)); BUG_ON(!list_empty(&lock->bast_list));
if (lock->bast_pending) if (lock->bast_pending)
mlog(0, "lock has a bast getting flushed right now\n"); mlog(0, "%s: res %.*s, lock %u:%llu, BAST getting flushed\n",
dlm->name, res->lockname.len, res->lockname.name,
dlm_get_lock_cookie_node(be64_to_cpu(lock->ml.cookie)),
dlm_get_lock_cookie_seq(be64_to_cpu(lock->ml.cookie)));
/* putting lock on list, add a ref */ /* putting lock on list, add a ref */
dlm_lock_get(lock); dlm_lock_get(lock);
...@@ -167,8 +182,6 @@ void __dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock) ...@@ -167,8 +182,6 @@ void __dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
void dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock) void dlm_queue_bast(struct dlm_ctxt *dlm, struct dlm_lock *lock)
{ {
mlog_entry_void();
BUG_ON(!dlm); BUG_ON(!dlm);
BUG_ON(!lock); BUG_ON(!lock);
...@@ -213,7 +226,10 @@ void dlm_do_local_ast(struct dlm_ctxt *dlm, struct dlm_lock_resource *res, ...@@ -213,7 +226,10 @@ void dlm_do_local_ast(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
dlm_astlockfunc_t *fn; dlm_astlockfunc_t *fn;
struct dlm_lockstatus *lksb; struct dlm_lockstatus *lksb;
mlog_entry_void(); mlog(0, "%s: res %.*s, lock %u:%llu, Local AST\n", dlm->name,
res->lockname.len, res->lockname.name,
dlm_get_lock_cookie_node(be64_to_cpu(lock->ml.cookie)),
dlm_get_lock_cookie_seq(be64_to_cpu(lock->ml.cookie)));
lksb = lock->lksb; lksb = lock->lksb;
fn = lock->ast; fn = lock->ast;
...@@ -231,7 +247,10 @@ int dlm_do_remote_ast(struct dlm_ctxt *dlm, struct dlm_lock_resource *res, ...@@ -231,7 +247,10 @@ int dlm_do_remote_ast(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
struct dlm_lockstatus *lksb; struct dlm_lockstatus *lksb;
int lksbflags; int lksbflags;
mlog_entry_void(); mlog(0, "%s: res %.*s, lock %u:%llu, Remote AST\n", dlm->name,
res->lockname.len, res->lockname.name,
dlm_get_lock_cookie_node(be64_to_cpu(lock->ml.cookie)),
dlm_get_lock_cookie_seq(be64_to_cpu(lock->ml.cookie)));
lksb = lock->lksb; lksb = lock->lksb;
BUG_ON(lock->ml.node == dlm->node_num); BUG_ON(lock->ml.node == dlm->node_num);
...@@ -250,9 +269,14 @@ void dlm_do_local_bast(struct dlm_ctxt *dlm, struct dlm_lock_resource *res, ...@@ -250,9 +269,14 @@ void dlm_do_local_bast(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
{ {
dlm_bastlockfunc_t *fn = lock->bast; dlm_bastlockfunc_t *fn = lock->bast;
mlog_entry_void();
BUG_ON(lock->ml.node != dlm->node_num); BUG_ON(lock->ml.node != dlm->node_num);
mlog(0, "%s: res %.*s, lock %u:%llu, Local BAST, blocked %d\n",
dlm->name, res->lockname.len, res->lockname.name,
dlm_get_lock_cookie_node(be64_to_cpu(lock->ml.cookie)),
dlm_get_lock_cookie_seq(be64_to_cpu(lock->ml.cookie)),
blocked_type);
(*fn)(lock->astdata, blocked_type); (*fn)(lock->astdata, blocked_type);
} }
...@@ -332,7 +356,8 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data, ...@@ -332,7 +356,8 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data,
/* cannot get a proxy ast message if this node owns it */ /* cannot get a proxy ast message if this node owns it */
BUG_ON(res->owner == dlm->node_num); BUG_ON(res->owner == dlm->node_num);
mlog(0, "lockres %.*s\n", res->lockname.len, res->lockname.name); mlog(0, "%s: res %.*s\n", dlm->name, res->lockname.len,
res->lockname.name);
spin_lock(&res->spinlock); spin_lock(&res->spinlock);
if (res->state & DLM_LOCK_RES_RECOVERING) { if (res->state & DLM_LOCK_RES_RECOVERING) {
...@@ -382,8 +407,12 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data, ...@@ -382,8 +407,12 @@ int dlm_proxy_ast_handler(struct o2net_msg *msg, u32 len, void *data,
if (past->type == DLM_AST) { if (past->type == DLM_AST) {
/* do not alter lock refcount. switching lists. */ /* do not alter lock refcount. switching lists. */
list_move_tail(&lock->list, &res->granted); list_move_tail(&lock->list, &res->granted);
mlog(0, "ast: Adding to granted list... type=%d, " mlog(0, "%s: res %.*s, lock %u:%llu, Granted type %d => %d\n",
"convert_type=%d\n", lock->ml.type, lock->ml.convert_type); dlm->name, res->lockname.len, res->lockname.name,
dlm_get_lock_cookie_node(be64_to_cpu(cookie)),
dlm_get_lock_cookie_seq(be64_to_cpu(cookie)),
lock->ml.type, lock->ml.convert_type);
if (lock->ml.convert_type != LKM_IVMODE) { if (lock->ml.convert_type != LKM_IVMODE) {
lock->ml.type = lock->ml.convert_type; lock->ml.type = lock->ml.convert_type;
lock->ml.convert_type = LKM_IVMODE; lock->ml.convert_type = LKM_IVMODE;
...@@ -426,9 +455,9 @@ int dlm_send_proxy_ast_msg(struct dlm_ctxt *dlm, struct dlm_lock_resource *res, ...@@ -426,9 +455,9 @@ int dlm_send_proxy_ast_msg(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
size_t veclen = 1; size_t veclen = 1;
int status; int status;
mlog_entry("res %.*s, to=%u, type=%d, blocked_type=%d\n", mlog(0, "%s: res %.*s, to %u, type %d, blocked_type %d\n", dlm->name,
res->lockname.len, res->lockname.name, lock->ml.node, res->lockname.len, res->lockname.name, lock->ml.node, msg_type,
msg_type, blocked_type); blocked_type);
memset(&past, 0, sizeof(struct dlm_proxy_ast)); memset(&past, 0, sizeof(struct dlm_proxy_ast));
past.node_idx = dlm->node_num; past.node_idx = dlm->node_num;
...@@ -441,7 +470,6 @@ int dlm_send_proxy_ast_msg(struct dlm_ctxt *dlm, struct dlm_lock_resource *res, ...@@ -441,7 +470,6 @@ int dlm_send_proxy_ast_msg(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
vec[0].iov_len = sizeof(struct dlm_proxy_ast); vec[0].iov_len = sizeof(struct dlm_proxy_ast);
vec[0].iov_base = &past; vec[0].iov_base = &past;
if (flags & DLM_LKSB_GET_LVB) { if (flags & DLM_LKSB_GET_LVB) {
mlog(0, "returning requested LVB data\n");
be32_add_cpu(&past.flags, LKM_GET_LVB); be32_add_cpu(&past.flags, LKM_GET_LVB);
vec[1].iov_len = DLM_LVB_LEN; vec[1].iov_len = DLM_LVB_LEN;
vec[1].iov_base = lock->lksb->lvb; vec[1].iov_base = lock->lksb->lvb;
...@@ -451,8 +479,8 @@ int dlm_send_proxy_ast_msg(struct dlm_ctxt *dlm, struct dlm_lock_resource *res, ...@@ -451,8 +479,8 @@ int dlm_send_proxy_ast_msg(struct dlm_ctxt *dlm, struct dlm_lock_resource *res,
ret = o2net_send_message_vec(DLM_PROXY_AST_MSG, dlm->key, vec, veclen, ret = o2net_send_message_vec(DLM_PROXY_AST_MSG, dlm->key, vec, veclen,
lock->ml.node, &status); lock->ml.node, &status);
if (ret < 0) if (ret < 0)
mlog(ML_ERROR, "Error %d when sending message %u (key 0x%x) to " mlog(ML_ERROR, "%s: res %.*s, error %d send AST to node %u\n",
"node %u\n", ret, DLM_PROXY_AST_MSG, dlm->key, dlm->name, res->lockname.len, res->lockname.name, ret,
lock->ml.node); lock->ml.node);
else { else {
if (status == DLM_RECOVERING) { if (status == DLM_RECOVERING) {
......
...@@ -460,8 +460,6 @@ static int dlm_migrate_all_locks(struct dlm_ctxt *dlm) ...@@ -460,8 +460,6 @@ static int dlm_migrate_all_locks(struct dlm_ctxt *dlm)
} }
cond_resched_lock(&dlm->spinlock); cond_resched_lock(&dlm->spinlock);
num += n; num += n;
mlog(0, "%s: touched %d lockreses in bucket %d "
"(tot=%d)\n", dlm->name, n, i, num);
} }
spin_unlock(&dlm->spinlock); spin_unlock(&dlm->spinlock);
wake_up(&dlm->dlm_thread_wq); wake_up(&dlm->dlm_thread_wq);
......
...@@ -122,15 +122,13 @@ int __dlm_lockres_unused(struct dlm_lock_resource *res) ...@@ -122,15 +122,13 @@ int __dlm_lockres_unused(struct dlm_lock_resource *res)
void __dlm_lockres_calc_usage(struct dlm_ctxt *dlm, void __dlm_lockres_calc_usage(struct dlm_ctxt *dlm,
struct dlm_lock_resource *res) struct dlm_lock_resource *res)
{ {
mlog_entry("%.*s\n", res->lockname.len, res->lockname.name);
assert_spin_locked(&dlm->spinlock); assert_spin_locked(&dlm->spinlock);
assert_spin_locked(&res->spinlock); assert_spin_locked(&res->spinlock);
if (__dlm_lockres_unused(res)){ if (__dlm_lockres_unused(res)){
if (list_empty(&res->purge)) { if (list_empty(&res->purge)) {
mlog(0, "putting lockres %.*s:%p onto purge list\n", mlog(0, "%s: Adding res %.*s to purge list\n",
res->lockname.len, res->lockname.name, res); dlm->name, res->lockname.len, res->lockname.name);
res->last_used = jiffies; res->last_used = jiffies;
dlm_lockres_get(res); dlm_lockres_get(res);
...@@ -138,8 +136,8 @@ void __dlm_lockres_calc_usage(struct dlm_ctxt *dlm, ...@@ -138,8 +136,8 @@ void __dlm_lockres_calc_usage(struct dlm_ctxt *dlm,
dlm->purge_count++; dlm->purge_count++;
} }
} else if (!list_empty(&res->purge)) { } else if (!list_empty(&res->purge)) {
mlog(0, "removing lockres %.*s:%p from purge list, owner=%u\n", mlog(0, "%s: Removing res %.*s from purge list\n",
res->lockname.len, res->lockname.name, res, res->owner); dlm->name, res->lockname.len, res->lockname.name);
list_del_init(&res->purge); list_del_init(&res->purge);
dlm_lockres_put(res); dlm_lockres_put(res);
...@@ -150,7 +148,6 @@ void __dlm_lockres_calc_usage(struct dlm_ctxt *dlm, ...@@ -150,7 +148,6 @@ void __dlm_lockres_calc_usage(struct dlm_ctxt *dlm,
void dlm_lockres_calc_usage(struct dlm_ctxt *dlm, void dlm_lockres_calc_usage(struct dlm_ctxt *dlm,
struct dlm_lock_resource *res) struct dlm_lock_resource *res)
{ {
mlog_entry("%.*s\n", res->lockname.len, res->lockname.name);
spin_lock(&dlm->spinlock); spin_lock(&dlm->spinlock);
spin_lock(&res->spinlock); spin_lock(&res->spinlock);
...@@ -171,9 +168,8 @@ static void dlm_purge_lockres(struct dlm_ctxt *dlm, ...@@ -171,9 +168,8 @@ static void dlm_purge_lockres(struct dlm_ctxt *dlm,
master = (res->owner == dlm->node_num); master = (res->owner == dlm->node_num);
mlog(0, "%s: Purging res %.*s, master %d\n", dlm->name,
mlog(0, "purging lockres %.*s, master = %d\n", res->lockname.len, res->lockname.len, res->lockname.name, master);
res->lockname.name, master);
if (!master) { if (!master) {
res->state |= DLM_LOCK_RES_DROPPING_REF; res->state |= DLM_LOCK_RES_DROPPING_REF;
...@@ -189,27 +185,25 @@ static void dlm_purge_lockres(struct dlm_ctxt *dlm, ...@@ -189,27 +185,25 @@ static void dlm_purge_lockres(struct dlm_ctxt *dlm,
/* clear our bit from the master's refmap, ignore errors */ /* clear our bit from the master's refmap, ignore errors */
ret = dlm_drop_lockres_ref(dlm, res); ret = dlm_drop_lockres_ref(dlm, res);
if (ret < 0) { if (ret < 0) {
mlog_errno(ret); mlog(ML_ERROR, "%s: deref %.*s failed %d\n", dlm->name,
res->lockname.len, res->lockname.name, ret);
if (!dlm_is_host_down(ret)) if (!dlm_is_host_down(ret))
BUG(); BUG();
} }
mlog(0, "%s:%.*s: dlm_deref_lockres returned %d\n",
dlm->name, res->lockname.len, res->lockname.name, ret);
spin_lock(&dlm->spinlock); spin_lock(&dlm->spinlock);
spin_lock(&res->spinlock); spin_lock(&res->spinlock);
} }
if (!list_empty(&res->purge)) { if (!list_empty(&res->purge)) {
mlog(0, "removing lockres %.*s:%p from purgelist, " mlog(0, "%s: Removing res %.*s from purgelist, master %d\n",
"master = %d\n", res->lockname.len, res->lockname.name, dlm->name, res->lockname.len, res->lockname.name, master);
res, master);
list_del_init(&res->purge); list_del_init(&res->purge);
dlm_lockres_put(res); dlm_lockres_put(res);
dlm->purge_count--; dlm->purge_count--;
} }
if (!__dlm_lockres_unused(res)) { if (!__dlm_lockres_unused(res)) {
mlog(ML_ERROR, "found lockres %s:%.*s: in use after deref\n", mlog(ML_ERROR, "%s: res %.*s in use after deref\n",
dlm->name, res->lockname.len, res->lockname.name); dlm->name, res->lockname.len, res->lockname.name);
__dlm_print_one_lock_resource(res); __dlm_print_one_lock_resource(res);
BUG(); BUG();
...@@ -266,10 +260,10 @@ static void dlm_run_purge_list(struct dlm_ctxt *dlm, ...@@ -266,10 +260,10 @@ static void dlm_run_purge_list(struct dlm_ctxt *dlm,
unused = __dlm_lockres_unused(lockres); unused = __dlm_lockres_unused(lockres);
if (!unused || if (!unused ||
(lockres->state & DLM_LOCK_RES_MIGRATING)) { (lockres->state & DLM_LOCK_RES_MIGRATING)) {
mlog(0, "lockres %s:%.*s: is in use or " mlog(0, "%s: res %.*s is in use or being remastered, "
"being remastered, used %d, state %d\n", "used %d, state %d\n", dlm->name,
dlm->name, lockres->lockname.len, lockres->lockname.len, lockres->lockname.name,
lockres->lockname.name, !unused, lockres->state); !unused, lockres->state);
list_move_tail(&dlm->purge_list, &lockres->purge); list_move_tail(&dlm->purge_list, &lockres->purge);
spin_unlock(&lockres->spinlock); spin_unlock(&lockres->spinlock);
continue; continue;
...@@ -296,15 +290,12 @@ static void dlm_shuffle_lists(struct dlm_ctxt *dlm, ...@@ -296,15 +290,12 @@ static void dlm_shuffle_lists(struct dlm_ctxt *dlm,
struct list_head *head; struct list_head *head;
int can_grant = 1; int can_grant = 1;
//mlog(0, "res->lockname.len=%d\n", res->lockname.len); /*
//mlog(0, "res->lockname.name=%p\n", res->lockname.name); * Because this function is called with the lockres
//mlog(0, "shuffle res %.*s\n", res->lockname.len,
// res->lockname.name);
/* because this function is called with the lockres
* spinlock, and because we know that it is not migrating/ * spinlock, and because we know that it is not migrating/
* recovering/in-progress, it is fine to reserve asts and * recovering/in-progress, it is fine to reserve asts and
* basts right before queueing them all throughout */ * basts right before queueing them all throughout
*/
assert_spin_locked(&dlm->ast_lock); assert_spin_locked(&dlm->ast_lock);
assert_spin_locked(&res->spinlock); assert_spin_locked(&res->spinlock);
BUG_ON((res->state & (DLM_LOCK_RES_MIGRATING| BUG_ON((res->state & (DLM_LOCK_RES_MIGRATING|
...@@ -314,13 +305,13 @@ static void dlm_shuffle_lists(struct dlm_ctxt *dlm, ...@@ -314,13 +305,13 @@ static void dlm_shuffle_lists(struct dlm_ctxt *dlm,
converting: converting:
if (list_empty(&res->converting)) if (list_empty(&res->converting))
goto blocked; goto blocked;
mlog(0, "res %.*s has locks on a convert queue\n", res->lockname.len, mlog(0, "%s: res %.*s has locks on the convert queue\n", dlm->name,
res->lockname.name); res->lockname.len, res->lockname.name);
target = list_entry(res->converting.next, struct dlm_lock, list); target = list_entry(res->converting.next, struct dlm_lock, list);
if (target->ml.convert_type == LKM_IVMODE) { if (target->ml.convert_type == LKM_IVMODE) {
mlog(ML_ERROR, "%.*s: converting a lock with no " mlog(ML_ERROR, "%s: res %.*s converting lock to invalid mode\n",
"convert_type!\n", res->lockname.len, res->lockname.name); dlm->name, res->lockname.len, res->lockname.name);
BUG(); BUG();
} }
head = &res->granted; head = &res->granted;
...@@ -365,9 +356,12 @@ static void dlm_shuffle_lists(struct dlm_ctxt *dlm, ...@@ -365,9 +356,12 @@ static void dlm_shuffle_lists(struct dlm_ctxt *dlm,
spin_lock(&target->spinlock); spin_lock(&target->spinlock);
BUG_ON(target->ml.highest_blocked != LKM_IVMODE); BUG_ON(target->ml.highest_blocked != LKM_IVMODE);
mlog(0, "calling ast for converting lock: %.*s, have: %d, " mlog(0, "%s: res %.*s, AST for Converting lock %u:%llu, type "
"granting: %d, node: %u\n", res->lockname.len, "%d => %d, node %u\n", dlm->name, res->lockname.len,
res->lockname.name, target->ml.type, res->lockname.name,
dlm_get_lock_cookie_node(be64_to_cpu(target->ml.cookie)),
dlm_get_lock_cookie_seq(be64_to_cpu(target->ml.cookie)),
target->ml.type,
target->ml.convert_type, target->ml.node); target->ml.convert_type, target->ml.node);
target->ml.type = target->ml.convert_type; target->ml.type = target->ml.convert_type;
...@@ -428,11 +422,14 @@ static void dlm_shuffle_lists(struct dlm_ctxt *dlm, ...@@ -428,11 +422,14 @@ static void dlm_shuffle_lists(struct dlm_ctxt *dlm,
spin_lock(&target->spinlock); spin_lock(&target->spinlock);
BUG_ON(target->ml.highest_blocked != LKM_IVMODE); BUG_ON(target->ml.highest_blocked != LKM_IVMODE);
mlog(0, "calling ast for blocked lock: %.*s, granting: %d, " mlog(0, "%s: res %.*s, AST for Blocked lock %u:%llu, type %d, "
"node: %u\n", res->lockname.len, res->lockname.name, "node %u\n", dlm->name, res->lockname.len,
res->lockname.name,
dlm_get_lock_cookie_node(be64_to_cpu(target->ml.cookie)),
dlm_get_lock_cookie_seq(be64_to_cpu(target->ml.cookie)),
target->ml.type, target->ml.node); target->ml.type, target->ml.node);
// target->ml.type is already correct /* target->ml.type is already correct */
list_move_tail(&target->list, &res->granted); list_move_tail(&target->list, &res->granted);
BUG_ON(!target->lksb); BUG_ON(!target->lksb);
...@@ -453,7 +450,6 @@ static void dlm_shuffle_lists(struct dlm_ctxt *dlm, ...@@ -453,7 +450,6 @@ static void dlm_shuffle_lists(struct dlm_ctxt *dlm,
/* must have NO locks when calling this with res !=NULL * */ /* must have NO locks when calling this with res !=NULL * */
void dlm_kick_thread(struct dlm_ctxt *dlm, struct dlm_lock_resource *res) void dlm_kick_thread(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
{ {
mlog_entry("dlm=%p, res=%p\n", dlm, res);
if (res) { if (res) {
spin_lock(&dlm->spinlock); spin_lock(&dlm->spinlock);
spin_lock(&res->spinlock); spin_lock(&res->spinlock);
...@@ -466,8 +462,6 @@ void dlm_kick_thread(struct dlm_ctxt *dlm, struct dlm_lock_resource *res) ...@@ -466,8 +462,6 @@ void dlm_kick_thread(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
void __dlm_dirty_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res) void __dlm_dirty_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
{ {
mlog_entry("dlm=%p, res=%p\n", dlm, res);
assert_spin_locked(&dlm->spinlock); assert_spin_locked(&dlm->spinlock);
assert_spin_locked(&res->spinlock); assert_spin_locked(&res->spinlock);
...@@ -484,13 +478,16 @@ void __dlm_dirty_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res) ...@@ -484,13 +478,16 @@ void __dlm_dirty_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
res->state |= DLM_LOCK_RES_DIRTY; res->state |= DLM_LOCK_RES_DIRTY;
} }
} }
mlog(0, "%s: res %.*s\n", dlm->name, res->lockname.len,
res->lockname.name);
} }
/* Launch the NM thread for the mounted volume */ /* Launch the NM thread for the mounted volume */
int dlm_launch_thread(struct dlm_ctxt *dlm) int dlm_launch_thread(struct dlm_ctxt *dlm)
{ {
mlog(0, "starting dlm thread...\n"); mlog(0, "Starting dlm_thread...\n");
dlm->dlm_thread_task = kthread_run(dlm_thread, dlm, "dlm_thread"); dlm->dlm_thread_task = kthread_run(dlm_thread, dlm, "dlm_thread");
if (IS_ERR(dlm->dlm_thread_task)) { if (IS_ERR(dlm->dlm_thread_task)) {
...@@ -505,7 +502,7 @@ int dlm_launch_thread(struct dlm_ctxt *dlm) ...@@ -505,7 +502,7 @@ int dlm_launch_thread(struct dlm_ctxt *dlm)
void dlm_complete_thread(struct dlm_ctxt *dlm) void dlm_complete_thread(struct dlm_ctxt *dlm)
{ {
if (dlm->dlm_thread_task) { if (dlm->dlm_thread_task) {
mlog(ML_KTHREAD, "waiting for dlm thread to exit\n"); mlog(ML_KTHREAD, "Waiting for dlm thread to exit\n");
kthread_stop(dlm->dlm_thread_task); kthread_stop(dlm->dlm_thread_task);
dlm->dlm_thread_task = NULL; dlm->dlm_thread_task = NULL;
} }
...@@ -536,7 +533,12 @@ static void dlm_flush_asts(struct dlm_ctxt *dlm) ...@@ -536,7 +533,12 @@ static void dlm_flush_asts(struct dlm_ctxt *dlm)
/* get an extra ref on lock */ /* get an extra ref on lock */
dlm_lock_get(lock); dlm_lock_get(lock);
res = lock->lockres; res = lock->lockres;
mlog(0, "delivering an ast for this lockres\n"); mlog(0, "%s: res %.*s, Flush AST for lock %u:%llu, type %d, "
"node %u\n", dlm->name, res->lockname.len,
res->lockname.name,
dlm_get_lock_cookie_node(be64_to_cpu(lock->ml.cookie)),
dlm_get_lock_cookie_seq(be64_to_cpu(lock->ml.cookie)),
lock->ml.type, lock->ml.node);
BUG_ON(!lock->ast_pending); BUG_ON(!lock->ast_pending);
...@@ -557,9 +559,9 @@ static void dlm_flush_asts(struct dlm_ctxt *dlm) ...@@ -557,9 +559,9 @@ static void dlm_flush_asts(struct dlm_ctxt *dlm)
/* possible that another ast was queued while /* possible that another ast was queued while
* we were delivering the last one */ * we were delivering the last one */
if (!list_empty(&lock->ast_list)) { if (!list_empty(&lock->ast_list)) {
mlog(0, "aha another ast got queued while " mlog(0, "%s: res %.*s, AST queued while flushing last "
"we were finishing the last one. will " "one\n", dlm->name, res->lockname.len,
"keep the ast_pending flag set.\n"); res->lockname.name);
} else } else
lock->ast_pending = 0; lock->ast_pending = 0;
...@@ -590,8 +592,12 @@ static void dlm_flush_asts(struct dlm_ctxt *dlm) ...@@ -590,8 +592,12 @@ static void dlm_flush_asts(struct dlm_ctxt *dlm)
dlm_lock_put(lock); dlm_lock_put(lock);
spin_unlock(&dlm->ast_lock); spin_unlock(&dlm->ast_lock);
mlog(0, "delivering a bast for this lockres " mlog(0, "%s: res %.*s, Flush BAST for lock %u:%llu, "
"(blocked = %d\n", hi); "blocked %d, node %u\n",
dlm->name, res->lockname.len, res->lockname.name,
dlm_get_lock_cookie_node(be64_to_cpu(lock->ml.cookie)),
dlm_get_lock_cookie_seq(be64_to_cpu(lock->ml.cookie)),
hi, lock->ml.node);
if (lock->ml.node != dlm->node_num) { if (lock->ml.node != dlm->node_num) {
ret = dlm_send_proxy_bast(dlm, res, lock, hi); ret = dlm_send_proxy_bast(dlm, res, lock, hi);
...@@ -605,9 +611,9 @@ static void dlm_flush_asts(struct dlm_ctxt *dlm) ...@@ -605,9 +611,9 @@ static void dlm_flush_asts(struct dlm_ctxt *dlm)
/* possible that another bast was queued while /* possible that another bast was queued while
* we were delivering the last one */ * we were delivering the last one */
if (!list_empty(&lock->bast_list)) { if (!list_empty(&lock->bast_list)) {
mlog(0, "aha another bast got queued while " mlog(0, "%s: res %.*s, BAST queued while flushing last "
"we were finishing the last one. will " "one\n", dlm->name, res->lockname.len,
"keep the bast_pending flag set.\n"); res->lockname.name);
} else } else
lock->bast_pending = 0; lock->bast_pending = 0;
...@@ -675,11 +681,12 @@ static int dlm_thread(void *data) ...@@ -675,11 +681,12 @@ static int dlm_thread(void *data)
spin_lock(&res->spinlock); spin_lock(&res->spinlock);
if (res->owner != dlm->node_num) { if (res->owner != dlm->node_num) {
__dlm_print_one_lock_resource(res); __dlm_print_one_lock_resource(res);
mlog(ML_ERROR, "inprog:%s, mig:%s, reco:%s, dirty:%s\n", mlog(ML_ERROR, "%s: inprog %d, mig %d, reco %d,"
res->state & DLM_LOCK_RES_IN_PROGRESS ? "yes" : "no", " dirty %d\n", dlm->name,
res->state & DLM_LOCK_RES_MIGRATING ? "yes" : "no", !!(res->state & DLM_LOCK_RES_IN_PROGRESS),
res->state & DLM_LOCK_RES_RECOVERING ? "yes" : "no", !!(res->state & DLM_LOCK_RES_MIGRATING),
res->state & DLM_LOCK_RES_DIRTY ? "yes" : "no"); !!(res->state & DLM_LOCK_RES_RECOVERING),
!!(res->state & DLM_LOCK_RES_DIRTY));
} }
BUG_ON(res->owner != dlm->node_num); BUG_ON(res->owner != dlm->node_num);
...@@ -693,8 +700,8 @@ static int dlm_thread(void *data) ...@@ -693,8 +700,8 @@ static int dlm_thread(void *data)
res->state &= ~DLM_LOCK_RES_DIRTY; res->state &= ~DLM_LOCK_RES_DIRTY;
spin_unlock(&res->spinlock); spin_unlock(&res->spinlock);
spin_unlock(&dlm->ast_lock); spin_unlock(&dlm->ast_lock);
mlog(0, "delaying list shuffling for in-" mlog(0, "%s: res %.*s, inprogress, delay list "
"progress lockres %.*s, state=%d\n", "shuffle, state %d\n", dlm->name,
res->lockname.len, res->lockname.name, res->lockname.len, res->lockname.name,
res->state); res->state);
delay = 1; delay = 1;
...@@ -706,10 +713,6 @@ static int dlm_thread(void *data) ...@@ -706,10 +713,6 @@ static int dlm_thread(void *data)
* spinlock and do NOT have the dlm lock. * spinlock and do NOT have the dlm lock.
* safe to reserve/queue asts and run the lists. */ * safe to reserve/queue asts and run the lists. */
mlog(0, "calling dlm_shuffle_lists with dlm=%s, "
"res=%.*s\n", dlm->name,
res->lockname.len, res->lockname.name);
/* called while holding lockres lock */ /* called while holding lockres lock */
dlm_shuffle_lists(dlm, res); dlm_shuffle_lists(dlm, res);
res->state &= ~DLM_LOCK_RES_DIRTY; res->state &= ~DLM_LOCK_RES_DIRTY;
...@@ -733,7 +736,8 @@ static int dlm_thread(void *data) ...@@ -733,7 +736,8 @@ static int dlm_thread(void *data)
/* unlikely, but we may need to give time to /* unlikely, but we may need to give time to
* other tasks */ * other tasks */
if (!--n) { if (!--n) {
mlog(0, "throttling dlm_thread\n"); mlog(0, "%s: Throttling dlm thread\n",
dlm->name);
break; break;
} }
} }
......
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