From ade966037f181b6d53b09bc413d77d41cdd2d7a2 Mon Sep 17 00:00:00 2001
From: Eric Bollengier <eric@eb.homelinux.org>
Date: Wed, 7 Apr 2010 11:18:53 +0200
Subject: [PATCH] Add lock position info to volume manager

---
 bacula/src/stored/protos.h  | 12 ++++++------
 bacula/src/stored/reserve.c |  4 ++--
 bacula/src/stored/vol_mgr.c | 10 +++++-----
 3 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/bacula/src/stored/protos.h b/bacula/src/stored/protos.h
index 8aa28538e5..26ffd476de 100644
--- a/bacula/src/stored/protos.h
+++ b/bacula/src/stored/protos.h
@@ -214,9 +214,9 @@ bool read_records(DCR *dcr,
 /* From reserve.c */
 void    init_reservations_lock();
 void    term_reservations_lock();
-void    _lock_reservations();
+void    _lock_reservations(const char *file="**Unknown**", int line=0);
 void    _unlock_reservations();
-void    _lock_volumes();
+void    _lock_volumes(const char *file="**Unknown**", int line=0);
 void    _unlock_volumes();
 void    unreserve_device(DCR *dcr);
 void    send_drive_reserve_messages(JCR *jcr, void sendit(const char *msg, int len, void *sarg), void *arg);
@@ -232,7 +232,7 @@ extern int reservations_lock_count;
          do { Dmsg3(sd_dbglvl, "lock_reservations at %s:%d precnt=%d\n", \
               __FILE__, __LINE__, \
               reservations_lock_count); \
-              _lock_reservations(); \
+              _lock_reservations(__FILE__, __LINE__); \
               Dmsg0(sd_dbglvl, "lock_reservations: got lock\n"); \
          } while (0)
 #define unlock_reservations() \
@@ -245,7 +245,7 @@ extern int reservations_lock_count;
          do { Dmsg3(sd_dbglvl, "lock_volumes at %s:%d precnt=%d\n", \
               __FILE__, __LINE__, \
               vol_list_lock_count); \
-              _lock_volumes(); \
+              _lock_volumes(__FILE__, __LINE__); \
               Dmsg0(sd_dbglvl, "lock_volumes: got lock\n"); \
          } while (0)
 
@@ -257,9 +257,9 @@ extern int reservations_lock_count;
 
 #else
 
-#define lock_reservations() _lock_reservations()
+#define lock_reservations() _lock_reservations(__FILE__, __LINE__)
 #define unlock_reservations() _unlock_reservations()
-#define lock_volumes() _lock_volumes()
+#define lock_volumes() _lock_volumes(__FILE__, __LINE__)
 #define unlock_volumes() _unlock_volumes()
 
 #endif
diff --git a/bacula/src/stored/reserve.c b/bacula/src/stored/reserve.c
index 8119f84af7..40e0f2f275 100644
--- a/bacula/src/stored/reserve.c
+++ b/bacula/src/stored/reserve.c
@@ -101,11 +101,11 @@ void term_reservations_lock()
 int reservations_lock_count = 0;
 
 /* This applies to a drive and to Volumes */
-void _lock_reservations()
+void _lock_reservations(const char *file, int line)
 {
    int errstat;
    reservations_lock_count++;
-   if ((errstat=rwl_writelock(&reservation_lock)) != 0) {
+   if ((errstat=rwl_writelock_p(&reservation_lock, file, line)) != 0) {
       berrno be;
       Emsg2(M_ABORT, 0, "rwl_writelock failure. stat=%d: ERR=%s\n",
            errstat, be.bstrerror(errstat));
diff --git a/bacula/src/stored/vol_mgr.c b/bacula/src/stored/vol_mgr.c
index 5bc9ba840d..5edd8aa807 100644
--- a/bacula/src/stored/vol_mgr.c
+++ b/bacula/src/stored/vol_mgr.c
@@ -105,11 +105,11 @@ void term_vol_list_lock()
 /* 
  * This allows a given thread to recursively call to lock_volumes()
  */
-void _lock_volumes()
+void _lock_volumes(const char *file, int line)
 {
    int errstat;
    vol_list_lock_count++;
-   if ((errstat=rwl_writelock(&vol_list_lock)) != 0) {
+   if ((errstat=rwl_writelock_p(&vol_list_lock, file, line)) != 0) {
       berrno be;
       Emsg2(M_ABORT, 0, "rwl_writelock failure. stat=%d: ERR=%s\n",
            errstat, be.bstrerror(errstat));
@@ -127,14 +127,14 @@ void _unlock_volumes()
    }
 }
 
-void lock_read_volumes()
+void lock_read_volumes(const char *file="**Unknown", int line=0)
 {
-   P(read_vol_lock);
+   bthread_mutex_lock_p(&read_vol_lock, file, line);
 }
 
 void unlock_read_volumes()
 {
-   V(read_vol_lock);
+   bthread_mutex_unlock(&read_vol_lock);
 }
 
 /*
-- 
2.39.5