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iotests: Let 245 pass on tmpfs 

tmpfs does not support O_DIRECT.  Detect this case, and skip flipping
@direct if the filesystem does not support it.

Fixes: bf3e50f623
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2019-04-10 18:29:18 +02:00 committed by Kevin Wolf
parent 13c24edaa7
commit 23e1d05411
1 changed files with 8 additions and 2 deletions
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10
tests/qemu-iotests/245
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@ -209,6 +209,12 @@ class TestBlockdevReopen(iotests.QMPTestCase):
# Reopen an image several times changing some of its options
def test_reopen(self):
# Check whether the filesystem supports O_DIRECT
if 'O_DIRECT' in qemu_io('-f', 'raw', '-t', 'none', '-c', 'quit', hd_path[0]):
supports_direct = False
else:
supports_direct = True
# Open the hd1 image passing all backing options
opts = hd_opts(1)
opts['backing'] = hd_opts(0)
@ -231,9 +237,9 @@ class TestBlockdevReopen(iotests.QMPTestCase):
self.assert_qmp(self.get_node('hd1'), 'cache/writeback', True)
self.assert_qmp(self.get_node('hd1'), 'cache/direct', False)
self.assert_qmp(self.get_node('hd1'), 'cache/no-flush', False)
self.reopen(opts, {'cache': { 'direct': True, 'no-flush': True }})
self.reopen(opts, {'cache': { 'direct': supports_direct, 'no-flush': True }})
self.assert_qmp(self.get_node('hd1'), 'cache/writeback', True)
self.assert_qmp(self.get_node('hd1'), 'cache/direct', True)
self.assert_qmp(self.get_node('hd1'), 'cache/direct', supports_direct)
self.assert_qmp(self.get_node('hd1'), 'cache/no-flush', True)
# Reopen again with the original options