iotests: add O_DIRECT alignment probing test

This test case checks that image files can be opened even if I/O
produces EIO errors.  QEMU should not refuse opening failed disks since
the guest may be configured for multipath I/O where accessing failed
disks is expected.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2015-03-05 15:38:18 -06:00 committed by Kevin Wolf
parent 22d182e82b
commit 1a6e597995
3 changed files with 88 additions and 0 deletions

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