On Fri, Feb 23, 2018 at 02:54:54PM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
>
> According to the bash man page:
>
> OPTIND is initialized to 1 each time the shell or a shell
> script is invoked.
>
> This doesn't appear to be true - in tests scripts with no other
> getopts calls, I'm seeing the getopts loop in _xfs_check to fail
> to parse input parameters correctly. Tracing shows the parameters
> are being passed to _xfs_check correctly, but on occassion getopts
> simply doesn't see the,
Hmm, unfinished sentence here?
Otherwise looks fine to me.
Thanks,
Eryu
>
> Hence when running tests with both external log and real time
> devices, tests are failing at random because xfs_check is
> mis-parsing the parameters passed to it and not configuring the
> external log correctly:
>
> _check_xfs_filesystem: filesystem on /dev/sdg is inconsistent (c)
> *** xfs_check output ***
> aborting - no external log specified for FS with an external log
> *** end xfs_check output
>
> Fix this by ensuring OPTIND is correctly initialised before using
> getopts. Do it for all places that call getopts that don't already
> set OPTIND=1 before starting their parsing loop.
>
> Signed-Off-By: Dave Chinner <dchinner@xxxxxxxxxx>
> ---
> common/xfs | 1 +
> tests/generic/074 | 1 +
> tests/generic/075 | 1 +
> tests/generic/112 | 1 +
> 4 files changed, 4 insertions(+)
>
> diff --git a/common/xfs b/common/xfs
> index 2cb77778831a..2aff1b3bcb5c 100644
> --- a/common/xfs
> +++ b/common/xfs
> @@ -119,6 +119,7 @@ _xfs_check()
> DBOPTS=" "
> USAGE="Usage: xfs_check [-fsvV] [-l logdev] [-i ino]... [-b bno]... special"
>
> + OPTIND=1
> while getopts "b:fi:l:stvV" c; do
> case $c in
> s) OPTS=$OPTS"-s ";;
> diff --git a/tests/generic/074 b/tests/generic/074
> index 5f205b509eb6..d39f9a3d4309 100755
> --- a/tests/generic/074
> +++ b/tests/generic/074
> @@ -87,6 +87,7 @@ _usage()
>
> _process_args()
> {
> + OPTIND=1
> while getopts "f:l:n:?" c $@
> do
> case $c
> diff --git a/tests/generic/075 b/tests/generic/075
> index 321c72177618..e9dd4a5c5dcd 100755
> --- a/tests/generic/075
> +++ b/tests/generic/075
> @@ -98,6 +98,7 @@ _usage()
>
> _process_args()
> {
> + OPTIND=1
> while getopts "l:n:N:?" c $@
> do
> case $c
> diff --git a/tests/generic/112 b/tests/generic/112
> index 0ab1c8c87907..5ab1cb3ad4ca 100755
> --- a/tests/generic/112
> +++ b/tests/generic/112
> @@ -94,6 +94,7 @@ _usage()
>
> _process_args()
> {
> + OPTIND=1
> while getopts "l:n:N:?" c $@
> do
> case $c
> --
> 2.16.1
>
> --
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