When mdmon is absent metadata is not updated, and container_reshape()
can fall in to endless loop. This can cause user data corruption.
In case when mdmon is absent do not continue container reshape process.
Signed-off-by: Adam Kwolek <adam.kwolek@xxxxxxxxx>
---
Grow.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/Grow.c b/Grow.c
index e7fd7c4..184a973 100644
--- a/Grow.c
+++ b/Grow.c
@@ -2562,6 +2562,12 @@ int reshape_container(char *container, char *devname,
restart = 0;
if (rv)
break;
+ rv = !mdmon_running(devname2devnum(container));
+ if (rv) {
+ printf(Name ": Mdmon is not found. "
+ "Cannot continue container reshape.\n");
+ break;
+ }
}
if (!rv)
unfreeze(st);
--
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