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[DLM] dump rsb and locks on assert 

Introduce new function dlm_dump_rsb() to call within assertions instead of
dlm_print_rsb().  The new function dumps info about all locks on the rsb
in addition to rsb details.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
David Teigland 2006-08-18 11:54:25 -05:00 committed by Steven Whitehouse
parent 15d00c0b91
commit a345da3e8f
3 changed files with 34 additions and 11 deletions
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40
fs/dlm/lock.c
View File

@ -171,6 +171,28 @@ void dlm_print_rsb(struct dlm_rsb *r)
r->res_recover_locks_count, r->res_name); r->res_recover_locks_count, r->res_name);
} }
void dlm_dump_rsb(struct dlm_rsb *r)
{
struct dlm_lkb *lkb;
dlm_print_rsb(r);
printk(KERN_ERR "rsb: root_list empty %d recover_list empty %d\n",
list_empty(&r->res_root_list), list_empty(&r->res_recover_list));
printk(KERN_ERR "rsb lookup list\n");
list_for_each_entry(lkb, &r->res_lookup, lkb_rsb_lookup)
dlm_print_lkb(lkb);
printk(KERN_ERR "rsb grant queue:\n");
list_for_each_entry(lkb, &r->res_grantqueue, lkb_statequeue)
dlm_print_lkb(lkb);
printk(KERN_ERR "rsb convert queue:\n");
list_for_each_entry(lkb, &r->res_convertqueue, lkb_statequeue)
dlm_print_lkb(lkb);
printk(KERN_ERR "rsb wait queue:\n");
list_for_each_entry(lkb, &r->res_waitqueue, lkb_statequeue)
dlm_print_lkb(lkb);
}
/* Threads cannot use the lockspace while it's being recovered */ /* Threads cannot use the lockspace while it's being recovered */
static inline void lock_recovery(struct dlm_ls *ls) static inline void lock_recovery(struct dlm_ls *ls)
@ -478,7 +500,7 @@ static void unhold_rsb(struct dlm_rsb *r)
{ {
int rv; int rv;
rv = kref_put(&r->res_ref, toss_rsb); rv = kref_put(&r->res_ref, toss_rsb);
DLM_ASSERT(!rv, dlm_print_rsb(r);); DLM_ASSERT(!rv, dlm_dump_rsb(r););
} }
static void kill_rsb(struct kref *kref) static void kill_rsb(struct kref *kref)
@ -488,12 +510,12 @@ static void kill_rsb(struct kref *kref)
/* All work is done after the return from kref_put() so we /* All work is done after the return from kref_put() so we
can release the write_lock before the remove and free. */ can release the write_lock before the remove and free. */
DLM_ASSERT(list_empty(&r->res_lookup),); DLM_ASSERT(list_empty(&r->res_lookup), dlm_dump_rsb(r););
DLM_ASSERT(list_empty(&r->res_grantqueue),); DLM_ASSERT(list_empty(&r->res_grantqueue), dlm_dump_rsb(r););
DLM_ASSERT(list_empty(&r->res_convertqueue),); DLM_ASSERT(list_empty(&r->res_convertqueue), dlm_dump_rsb(r););
DLM_ASSERT(list_empty(&r->res_waitqueue),); DLM_ASSERT(list_empty(&r->res_waitqueue), dlm_dump_rsb(r););
DLM_ASSERT(list_empty(&r->res_root_list),); DLM_ASSERT(list_empty(&r->res_root_list), dlm_dump_rsb(r););
DLM_ASSERT(list_empty(&r->res_recover_list),); DLM_ASSERT(list_empty(&r->res_recover_list), dlm_dump_rsb(r););
} }
/* Attaching/detaching lkb's from rsb's is for rsb reference counting. /* Attaching/detaching lkb's from rsb's is for rsb reference counting.
@ -1336,7 +1358,7 @@ static void grant_pending_locks(struct dlm_rsb *r)
struct dlm_lkb *lkb, *s; struct dlm_lkb *lkb, *s;
int high = DLM_LOCK_IV; int high = DLM_LOCK_IV;
DLM_ASSERT(is_master(r), dlm_print_rsb(r);); DLM_ASSERT(is_master(r), dlm_dump_rsb(r););
high = grant_pending_convert(r, high); high = grant_pending_convert(r, high);
high = grant_pending_wait(r, high); high = grant_pending_wait(r, high);
@ -1431,7 +1453,7 @@ static int set_master(struct dlm_rsb *r, struct dlm_lkb *lkb)
return 0; return 0;
} }
DLM_ASSERT(r->res_nodeid == -1, dlm_print_rsb(r);); DLM_ASSERT(r->res_nodeid == -1, dlm_dump_rsb(r););
dir_nodeid = dlm_dir_nodeid(r); dir_nodeid = dlm_dir_nodeid(r);

1
fs/dlm/lock.h
View File

@ -14,6 +14,7 @@
#define __LOCK_DOT_H__ #define __LOCK_DOT_H__
void dlm_print_rsb(struct dlm_rsb *r); void dlm_print_rsb(struct dlm_rsb *r);
void dlm_dump_rsb(struct dlm_rsb *r);
void dlm_print_lkb(struct dlm_lkb *lkb); void dlm_print_lkb(struct dlm_lkb *lkb);
int dlm_receive_message(struct dlm_header *hd, int nodeid, int recovery); int dlm_receive_message(struct dlm_header *hd, int nodeid, int recovery);
int dlm_modes_compat(int mode1, int mode2); int dlm_modes_compat(int mode1, int mode2);

4
fs/dlm/recover.c
View File

@ -490,7 +490,7 @@ static int recover_locks(struct dlm_rsb *r)
if (all_queues_empty(r)) if (all_queues_empty(r))
goto out; goto out;
DLM_ASSERT(!r->res_recover_locks_count, dlm_print_rsb(r);); DLM_ASSERT(!r->res_recover_locks_count, dlm_dump_rsb(r););
error = recover_locks_queue(r, &r->res_grantqueue); error = recover_locks_queue(r, &r->res_grantqueue);
if (error) if (error)
@ -557,7 +557,7 @@ int dlm_recover_locks(struct dlm_ls *ls)
void dlm_recovered_lock(struct dlm_rsb *r) void dlm_recovered_lock(struct dlm_rsb *r)
{ {
DLM_ASSERT(rsb_flag(r, RSB_NEW_MASTER), dlm_print_rsb(r);); DLM_ASSERT(rsb_flag(r, RSB_NEW_MASTER), dlm_dump_rsb(r););
r->res_recover_locks_count--; r->res_recover_locks_count--;
if (!r->res_recover_locks_count) { if (!r->res_recover_locks_count) {