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[libvirt] [PATCH] sanlock: Use VIR_ERR_RESOURCE_BUSY if sanlock_acquire fails



When acquiring resource via sanlock fails, we would report it as
VIR_ERR_INTERNAL_ERROR, which is not very friendly to applications using
libvirt. Moreover, the lockd driver would report the same failure as
VIR_ERR_RESOURCE_BUSY, which looks better.

Unfortunately, in sanlock driver we don't really know if acquiring the
resource failed because it was already locked or there was another
reason behind. But the end result is the same and I think using
VIR_ERR_RESOURCE_BUSY reason for all acquire failures is still better
than what we have now.

https://bugzilla.redhat.com/show_bug.cgi?id=1165119
Signed-off-by: Jiri Denemark <jdenemar redhat com>
---
 src/locking/lock_driver_sanlock.c | 2 +-
 src/util/virerror.c               | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/locking/lock_driver_sanlock.c b/src/locking/lock_driver_sanlock.c
index dbe79bc..e052875 100644
--- a/src/locking/lock_driver_sanlock.c
+++ b/src/locking/lock_driver_sanlock.c
@@ -975,7 +975,7 @@ static int virLockManagerSanlockAcquire(virLockManagerPtr lock,
                                   priv->res_count, priv->res_args,
                                   opt)) < 0) {
             if (rv <= -200)
-                virReportError(VIR_ERR_INTERNAL_ERROR,
+                virReportError(VIR_ERR_RESOURCE_BUSY,
                                _("Failed to acquire lock: error %d"), rv);
             else
                 virReportSystemError(-rv, "%s",
diff --git a/src/util/virerror.c b/src/util/virerror.c
index c4e84e7..91c8686 100644
--- a/src/util/virerror.c
+++ b/src/util/virerror.c
@@ -1326,7 +1326,7 @@ virErrorMsg(virErrorNumber error, const char *info)
             if (info == NULL)
                 errmsg = _("resource busy");
             else
-                errmsg = _("resource busy %s");
+                errmsg = _("resource busy: %s");
             break;
         case VIR_ERR_ACCESS_DENIED:
             if (info == NULL)
-- 
2.3.5


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