Autodetect cgroup blkio mount point
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/HOWTO b/HOWTO
index 7a7d14e..0b40f75 100644
--- a/HOWTO
+++ b/HOWTO
@@ -1004,18 +1004,13 @@
given in the stats is the first error that was hit during the
run.
-cgroup_root=str Root of the mounted blkio cgroup file systems. This is a Linux
- specific IO controller. If your system doesn't have it mounted,
- you can do so with:
+cgroup=str Add job to this control group. If it doesn't exist, it will
+ be created. The system must have a mounted cgroup blkio
+ mount point for this to work. If your system doesn't have it
+ mounted, you can do so with:
# mount -t cgroup -o blkio none /cgroup
- The cgroup_root defaults to /cgroup, if mounted elsewhere
- please specify this option.
-
-cgroup=str Add job to this control group. If it doesn't exist, it will
- be created.
-
cgroup_weight=int Set the weight of the cgroup to this value. See
the documentation that comes with the kernel, allowed values
are in the range of 100..1000.