From e89cea45a75968f9f79cbf59960c79978f5faa5f Mon Sep 17 00:00:00 2001
From: Kern Sibbald <kern@sibbald.com>
Date: Mon, 7 Jul 2008 06:51:11 +0000
Subject: [PATCH] Clear in-use bit on vol when unused while swapping

git-svn-id: https://bacula.svn.sourceforge.net/svnroot/bacula/trunk@7327 91ce42f0-d328-0410-95d8-f526ca767f89
---
 bacula/src/stored/mount.c   |  1 +
 bacula/src/stored/reserve.c | 21 +++++----------------
 2 files changed, 6 insertions(+), 16 deletions(-)

diff --git a/bacula/src/stored/mount.c b/bacula/src/stored/mount.c
index 5cd93cf4dd..c7f5eda63a 100644
--- a/bacula/src/stored/mount.c
+++ b/bacula/src/stored/mount.c
@@ -522,6 +522,7 @@ void DCR::do_swapping(bool is_writing)
       }
       if (dev->vol) {
          dev->vol->clear_swapping();
+         Dmsg1(100, "=== set in_use vol=%s\n", dev->vol->vol_name);
          dev->vol->set_in_use();
          dev->VolHdr.VolumeName[0] = 0;  /* don't yet have right Volume */
       }
diff --git a/bacula/src/stored/reserve.c b/bacula/src/stored/reserve.c
index 197dbcf254..3c1fe55b69 100644
--- a/bacula/src/stored/reserve.c
+++ b/bacula/src/stored/reserve.c
@@ -335,8 +335,6 @@ VOLRES *reserve_volume(DCR *dcr, const char *VolumeName)
       if (strcmp(vol->vol_name, VolumeName) == 0) {
          Dmsg2(dbglvl, "=== set reserved vol=%s dev=%s\n", VolumeName,
                vol->dev->print_name());
-         vol->set_in_use();             /* retake vol if released previously */
-         dcr->reserved_volume = true;   /* reserved volume */
          goto get_out;                  /* Volume already on this device */
       } else {
          /* Don't release a volume if it was reserved by someone other than us */
@@ -539,23 +537,12 @@ bool volume_unused(DCR *dcr)
    }
    if (dev->vol->is_swapping()) {
       Dmsg1(dbglvl, "vol_unused: vol being swapped on %s\n", dev->print_name());
-      debug_list_volumes("swapping vol cannot unreserve_volume");
+      Dmsg1(dbglvl, "=== clear in_use vol=%s\n", dev->vol->vol_name);
+      dev->vol->clear_in_use();
+      debug_list_volumes("swapping vol cannot free_volume");
       return false;
    }
 
-#ifdef xxx
-   if (dev->is_busy()) {
-      Dmsg1(dbglvl, "vol_unused: busy on %s\n", dev->print_name());
-      debug_list_volumes("dev busy cannot unreserve_volume");
-      return false;
-   }
-#endif
-#ifdef xxx
-   if (dev->num_writers > 0 || dev->num_reserved() > 0) {
-      ASSERT(0);
-   }
-#endif
-
    /*  
     * If this is a tape, we do not free the volume, rather we wait
     *  until the autoloader unloads it, or until another tape is
@@ -564,6 +551,7 @@ bool volume_unused(DCR *dcr)
     */
    Dmsg4(dbglvl, "=== set not reserved vol=%s num_writers=%d dev_reserved=%d dev=%s\n",
       dev->vol->vol_name, dev->num_writers, dev->num_reserved(), dev->print_name());
+   Dmsg1(dbglvl, "=== clear in_use vol=%s\n", dev->vol->vol_name);
    dev->vol->clear_in_use();
    if (dev->is_tape() || dev->is_autochanger()) {
       return true;
@@ -591,6 +579,7 @@ bool free_volume(DEVICE *dev)
    vol = dev->vol;
    /* Don't free a volume while it is being swapped */
    if (!vol->is_swapping()) {
+      Dmsg1(dbglvl, "=== clear in_use vol=%s\n", dev->vol->vol_name);
       dev->vol = NULL;
       vol_list->remove(vol);
       Dmsg2(dbglvl, "=== remove volume %s dev=%s\n", vol->vol_name, dev->print_name());
-- 
2.39.5