mirror of
https://github.com/ceph/ceph
synced 2025-01-04 10:12:30 +00:00
25 lines
639 B
Bash
25 lines
639 B
Bash
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#!/usr/bin/env bash
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# This is a test for https://tracker.ceph.com/issues/41404, verifying that udev
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# events are properly reaped while the image is being (un)mapped in the kernel.
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# UDEV_BUF_SIZE is 1M (giving us a 2M socket receive buffer), but modprobe +
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# modprobe -r generate ~28M worth of "block" events.
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set -ex
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rbd create --size 1 img
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ceph osd pause
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sudo rbd map img &
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PID=$!
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sudo modprobe scsi_debug max_luns=16 add_host=16 num_parts=1 num_tgts=16
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sudo udevadm settle
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sudo modprobe -r scsi_debug
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[[ $(rbd showmapped | wc -l) -eq 0 ]]
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ceph osd unpause
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wait $PID
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[[ $(rbd showmapped | wc -l) -eq 2 ]]
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sudo rbd unmap img
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echo OK
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