On Tue, Nov 14, 2017 at 1:37 PM, Amir Goldstein <amir73il@xxxxxxxxx> wrote:
> On Tue, Nov 14, 2017 at 12:54 PM, Eryu Guan <eguan@xxxxxxxxxx> wrote:
>> util-linux v2.30 changed error message of a busy mount and caused
>> overlay/036 to fail. e.g.
>>
>> - mount: <device> is already mounted or <mountpoint> busy
>> + mount: <mountpoint>: <device> already mounted or mount point busy.
>>
>> Filter the mount output by a newly introduced _filter_busy_mount
>> into a unified format.
>>
>> Signed-off-by: Eryu Guan <eguan@xxxxxxxxxx>
>> ---
>> common/filter | 12 ++++++++++++
>> tests/overlay/036 | 9 +++++++--
>> tests/overlay/036.out | 4 ++--
>> 3 files changed, 21 insertions(+), 4 deletions(-)
>>
>> diff --git a/common/filter b/common/filter
>> index d1bb94818e3d..b1cd558ab0e1 100644
>> --- a/common/filter
>> +++ b/common/filter
>> @@ -420,6 +420,18 @@ _filter_error_mount()
>> sed -e "s/mount:\(.*failed:\)/mount:/" | _filter_ending_dot
>> }
>>
>> +# Similar to _filter_error_mount, filter a busy mount output.
>> +# Turn both old (prior to util-linux v2.30) and new (v2.30 and later) format to
>> +# a simple one. e.g.
>> +# old: mount: <device> is already mounted or <mountpoint> busy
>> +# new: mount: <mountpoint>: <device> already mounted or mount point busy.
>> +# filtered: mount: <device> already mounted or mount point busy
>> +_filter_busy_mount()
>> +{
>> + sed -e "s/.*: \([^ ]*\).* already mounted.*busy/mount: \1 already mounted or mount point busy/" | \
>> + _filter_ending_dot
>> +}
>> +
>> _filter_od()
>> {
>> BLOCK_SIZE=$(_get_block_size $SCRATCH_MNT)
>> diff --git a/tests/overlay/036 b/tests/overlay/036
>> index 544d4e4eaa87..4c4b56ff9817 100755
>> --- a/tests/overlay/036
>> +++ b/tests/overlay/036
>> @@ -63,6 +63,11 @@ _cleanup()
>> . ./common/rc
>> . ./common/filter
>>
>> +filter_mount()
>> +{
>> + _filter_scratch | _filter_busy_mount
>
> This is referring to scratch, so filter_scratch_mount()??
OTOH 036.out doesn't contain SCRATCH_ at all now, so
_filter_scratch is not needed and can use _filter_busy_mount
without this helper.
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