File lvm2-2_02_85-fix-exclusive-cluster-mirror-use-local-target.patch of Package lvm2
WHATS_NEW | 4 ++++
daemons/clvmd/lvm-functions.c | 6 ++++--
lib/activate/activate.c | 27 +++++++++++++++++++++++----
lib/activate/activate.h | 3 ++-
lib/locking/file_locking.c | 2 +-
lib/locking/no_locking.c | 2 +-
6 files changed, 35 insertions(+), 9 deletions(-)
diff --git a/WHATS_NEW b/WHATS_NEW
index 6a717c3..b2d1cd2 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,3 +1,7 @@
+Version 2.02.85 -
+===================================
+ Fix to make resuming exclusive cluster mirror use local target type.
+
Version 2.02.84 -
===================================
Fix CRC32 calculation on big endian CPU (2.02.75).
diff --git a/daemons/clvmd/lvm-functions.c b/daemons/clvmd/lvm-functions.c
index 81e8b88..b5a0e4e 100644
--- a/daemons/clvmd/lvm-functions.c
+++ b/daemons/clvmd/lvm-functions.c
@@ -399,7 +399,7 @@ error:
/* Resume the LV if it was active */
static int do_resume_lv(char *resource, unsigned char lock_flags)
{
- int oldmode;
+ int oldmode, origin_only, exclusive;
/* Is it open ? */
oldmode = get_current_lock(resource);
@@ -407,8 +407,10 @@ static int do_resume_lv(char *resource, unsigned char lock_flags)
DEBUGLOG("do_resume_lv, lock not already held\n");
return 0; /* We don't need to do anything */
}
+ origin_only = (lock_flags & LCK_ORIGIN_ONLY_MODE) ? 1 : 0;
+ exclusive = (oldmode == LCK_EXCL) ? 1 : 0;
- if (!lv_resume_if_active(cmd, resource, (lock_flags & LCK_ORIGIN_ONLY_MODE) ? 1 : 0))
+ if (!lv_resume_if_active(cmd, resource, origin_only, exclusive))
return EIO;
return 0;
diff --git a/lib/activate/activate.c b/lib/activate/activate.c
index 9edb011..cdd499d 100644
--- a/lib/activate/activate.c
+++ b/lib/activate/activate.c
@@ -1156,8 +1156,18 @@ int lv_suspend(struct cmd_context *cmd, const char *lvid_s)
}
***********/
+ /*
+ * _lv_resume
+ * @cmd
+ * @lvid_s
+ * @origin_only
+ * @exclusive: This parameter only has an affect in cluster-context.
+ * It forces local target type to be used (instead of
+ * cluster-aware type).
+ * @error_if_not_active
+ */
static int _lv_resume(struct cmd_context *cmd, const char *lvid_s,
- unsigned origin_only,
+ unsigned origin_only, unsigned exclusive,
int error_if_not_active)
{
struct logical_volume *lv;
@@ -1189,6 +1199,14 @@ static int _lv_resume(struct cmd_context *cmd, const char *lvid_s,
goto out;
}
+ /*
+ * When targets are activated exclusively in a cluster, the
+ * non-clustered target should be used. This only happens
+ * if ACTIVATE_EXCL is set in lv->status.
+ */
+ if (exclusive)
+ lv->status |= ACTIVATE_EXCL;
+
if (!_lv_activate_lv(lv, origin_only))
goto_out;
@@ -1206,14 +1224,15 @@ out:
}
/* Returns success if the device is not active */
-int lv_resume_if_active(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only)
+int lv_resume_if_active(struct cmd_context *cmd, const char *lvid_s,
+ unsigned origin_only, unsigned exclusive)
{
- return _lv_resume(cmd, lvid_s, origin_only, 0);
+ return _lv_resume(cmd, lvid_s, origin_only, exclusive, 0);
}
int lv_resume(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only)
{
- return _lv_resume(cmd, lvid_s, origin_only, 1);
+ return _lv_resume(cmd, lvid_s, origin_only, 0, 1);
}
static int _lv_has_open_snapshots(struct logical_volume *lv)
diff --git a/lib/activate/activate.h b/lib/activate/activate.h
index c054c6d..53ab192 100644
--- a/lib/activate/activate.h
+++ b/lib/activate/activate.h
@@ -56,7 +56,8 @@ void activation_exit(void);
/* int lv_suspend(struct cmd_context *cmd, const char *lvid_s); */
int lv_suspend_if_active(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only);
int lv_resume(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only);
-int lv_resume_if_active(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only);
+int lv_resume_if_active(struct cmd_context *cmd, const char *lvid_s,
+ unsigned origin_only, unsigned exclusive);
int lv_activate(struct cmd_context *cmd, const char *lvid_s, int exclusive);
int lv_activate_with_filter(struct cmd_context *cmd, const char *lvid_s,
int exclusive);
diff --git a/lib/locking/file_locking.c b/lib/locking/file_locking.c
index 68b0420..95883b9 100644
--- a/lib/locking/file_locking.c
+++ b/lib/locking/file_locking.c
@@ -293,7 +293,7 @@ static int _file_lock_resource(struct cmd_context *cmd, const char *resource,
switch (flags & LCK_TYPE_MASK) {
case LCK_UNLOCK:
log_very_verbose("Unlocking LV %s%s", resource, origin_only ? " without snapshots" : "");
- if (!lv_resume_if_active(cmd, resource, origin_only))
+ if (!lv_resume_if_active(cmd, resource, origin_only, 0))
return 0;
break;
case LCK_NULL:
diff --git a/lib/locking/no_locking.c b/lib/locking/no_locking.c
index 3ad0d38..65ac29f 100644
--- a/lib/locking/no_locking.c
+++ b/lib/locking/no_locking.c
@@ -46,7 +46,7 @@ static int _no_lock_resource(struct cmd_context *cmd, const char *resource,
case LCK_NULL:
return lv_deactivate(cmd, resource);
case LCK_UNLOCK:
- return lv_resume_if_active(cmd, resource, (flags & LCK_ORIGIN_ONLY) ? 1: 0);
+ return lv_resume_if_active(cmd, resource, (flags & LCK_ORIGIN_ONLY) ? 1: 0, 0);
case LCK_READ:
return lv_activate_with_filter(cmd, resource, 0);
case LCK_WRITE: