#define MLOG_MASK_PREFIX ML_DLM
#include "cluster/masklog.h"
-int stringify_lockname(const char *lockname, int locklen, char *buf, int len);
+static int stringify_lockname(const char *lockname, int locklen, char *buf,
+ int len);
void dlm_print_one_lock_resource(struct dlm_lock_resource *res)
{
*
* For more on lockname formats, please refer to dlmglue.c and ocfs2_lockid.h.
*/
-int stringify_lockname(const char *lockname, int locklen, char *buf, int len)
+static int stringify_lockname(const char *lockname, int locklen, char *buf,
+ int len)
{
int out = 0;
__be64 inode_blkno_be;
kfree(dc);
}
-void dlm_debug_put(struct dlm_debug_ctxt *dc)
+static void dlm_debug_put(struct dlm_debug_ctxt *dc)
{
if (dc)
kref_put(&dc->debug_refcnt, dlm_debug_free);
{
struct debug_lockres *dl = m->private;
struct dlm_ctxt *dlm = dl->dl_ctxt;
+ struct dlm_lock_resource *oldres = dl->dl_res;
struct dlm_lock_resource *res = NULL;
+ struct list_head *track_list;
- spin_lock(&dlm->spinlock);
+ spin_lock(&dlm->track_lock);
+ if (oldres)
+ track_list = &oldres->tracking;
+ else
+ track_list = &dlm->tracking_list;
- if (dl->dl_res) {
- list_for_each_entry(res, &dl->dl_res->tracking, tracking) {
- if (dl->dl_res) {
- dlm_lockres_put(dl->dl_res);
- dl->dl_res = NULL;
- }
- if (&res->tracking == &dlm->tracking_list) {
- mlog(0, "End of list found, %p\n", res);
- dl = NULL;
- break;
- }
+ list_for_each_entry(res, track_list, tracking) {
+ if (&res->tracking == &dlm->tracking_list)
+ res = NULL;
+ else
dlm_lockres_get(res);
- dl->dl_res = res;
- break;
- }
- } else {
- if (!list_empty(&dlm->tracking_list)) {
- list_for_each_entry(res, &dlm->tracking_list, tracking)
- break;
- dlm_lockres_get(res);
- dl->dl_res = res;
- } else
- dl = NULL;
+ break;
}
+ spin_unlock(&dlm->track_lock);
- if (dl) {
- spin_lock(&dl->dl_res->spinlock);
- dump_lockres(dl->dl_res, dl->dl_buf, dl->dl_len - 1);
- spin_unlock(&dl->dl_res->spinlock);
- }
+ if (oldres)
+ dlm_lockres_put(oldres);
- spin_unlock(&dlm->spinlock);
+ dl->dl_res = res;
+
+ if (res) {
+ spin_lock(&res->spinlock);
+ dump_lockres(res, dl->dl_buf, dl->dl_len - 1);
+ spin_unlock(&res->spinlock);
+ } else
+ dl = NULL;
+ /* passed to seq_show */
return dl;
}