diff options
Diffstat (limited to 'qa/workunits/rbd/krbd_udev_netlink_enobufs.sh')
| -rwxr-xr-x | qa/workunits/rbd/krbd_udev_netlink_enobufs.sh | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/qa/workunits/rbd/krbd_udev_netlink_enobufs.sh b/qa/workunits/rbd/krbd_udev_netlink_enobufs.sh new file mode 100755 index 000000000..7c9c53a2f --- /dev/null +++ b/qa/workunits/rbd/krbd_udev_netlink_enobufs.sh @@ -0,0 +1,24 @@ +#!/usr/bin/env bash + +# This is a test for https://tracker.ceph.com/issues/41404, verifying that udev +# events are properly reaped while the image is being (un)mapped in the kernel. +# UDEV_BUF_SIZE is 1M (giving us a 2M socket receive buffer), but modprobe + +# modprobe -r generate ~28M worth of "block" events. + +set -ex + +rbd create --size 1 img + +ceph osd pause +sudo rbd map img & +PID=$! +sudo modprobe scsi_debug max_luns=16 add_host=16 num_parts=1 num_tgts=16 +sudo udevadm settle +sudo modprobe -r scsi_debug +[[ $(rbd showmapped | wc -l) -eq 0 ]] +ceph osd unpause +wait $PID +[[ $(rbd showmapped | wc -l) -eq 2 ]] +sudo rbd unmap img + +echo OK |