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[lvm-devel] [PATCH] Skip also special lvm devices in scan (if ignore suspended is used).



This shoud avoid various races between dmeventd on multiple nodes
in cluster where one node already repairing device and another
run full scan and locks the device.

Signed-off-by: Milan Broz <mbroz redhat com>
---
 lib/activate/dev_manager.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/lib/activate/dev_manager.c b/lib/activate/dev_manager.c
index d52d46f..ccafc1e 100644
--- a/lib/activate/dev_manager.c
+++ b/lib/activate/dev_manager.c
@@ -130,7 +130,7 @@ int device_is_usable(dev_t dev)
 {
 	struct dm_task *dmt;
 	struct dm_info info;
-	const char *name;
+	const char *name, *uuid;
 	uint64_t start, length;
 	char *target_type = NULL;
 	char *params;
@@ -157,6 +157,7 @@ int device_is_usable(dev_t dev)
 		goto out;
 
 	name = dm_task_get_name(dmt);
+	uuid = dm_task_get_uuid(dmt);
 
 	/* FIXME Also check for mirror block_on_error and mpath no paths */
 	/* For now, we exclude all mirrors */
@@ -171,6 +172,11 @@ int device_is_usable(dev_t dev)
 
 	/* FIXME Also check dependencies? */
 
+	/* Check internal lvm devices */
+	if (!is_reserved_lvname(name) && uuid &&
+	    !strncmp(uuid, UUID_PREFIX, sizeof(UUID_PREFIX) - 1))
+		goto out;
+
 	r = 1;
 
       out:
-- 
1.7.1


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