qa: make rbd-fuse exit cleanly with lttng

lttng requires daemons (things that call fork, clone, or daemon without exec, like fuse) to use a LD_PRELOAD library. Without this, the lttng atexit() handler crashes. Signed-off-by: Josh Durgin <[email protected]>
amincheloh · Mar 7, 2015 · 918afc0 · 918afc0
1 parent 3ca182a
commit 918afc0
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/qa/workunits/rbd/merge_diff.sh b/qa/workunits/rbd/merge_diff.sh
@@ -33,7 +33,8 @@ function rebuild()
   rbd create $gen --size 100 --order $1 --stripe_unit $2 --stripe_count $3 --image-format $4
   rbd create $out --size 1 --order 19
   mkdir -p mnt diffs
-  rbd-fuse -p $pool mnt
+  # lttng has atexit handlers that need to be fork/clone aware
+  LD_PRELOAD=liblttng-ust-fork.so.0 rbd-fuse -p $pool mnt
 }
 
 function write()