Re: [PATCH] check: Fix fs specfic imports when $FSTYPE!=$OLD_FSTYPE

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On Sun, Jan 12, 2025 at 03:21:51PM +0000, Nirjhar Roy (IBM) wrote:
> Bug Description:
> 
> _test_mount function is failing with the following error:
> ./common/rc: line 4716: _xfs_prepare_for_eio_shutdown: command not found
> check: failed to mount /dev/loop0 on /mnt1/test
> 
> when the second section in local.config file is xfs and the first section
> is non-xfs.
> 
> It can be easily reproduced with the following local.config file
> 
> [s2]
> export FSTYP=ext4
> export TEST_DEV=/dev/loop0
> export TEST_DIR=/mnt1/test
> export SCRATCH_DEV=/dev/loop1
> export SCRATCH_MNT=/mnt1/scratch
> 
> [s1]
> export FSTYP=xfs
> export TEST_DEV=/dev/loop0
> export TEST_DIR=/mnt1/test
> export SCRATCH_DEV=/dev/loop1
> export SCRATCH_MNT=/mnt1/scratch
> 
> ./check selftest/001
> 
> Root cause:
> When _test_mount() is executed for the second section, the FSTYPE has
> already changed but the new fs specific common/$FSTYP has not yet
> been done. Hence _xfs_prepare_for_eio_shutdown() is not found and
> the test run fails.
> 
> Fix:
> call _source_specific_fs $FSTYP at the correct call site of  _test_mount()
> 
> Signed-off-by: Nirjhar Roy (IBM) <nirjhar.roy.lists@xxxxxxxxx>
> ---
>  check | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/check b/check
> index 607d2456..8cdbb68f 100755
> --- a/check
> +++ b/check
> @@ -776,6 +776,7 @@ function run_section()
>  	if $RECREATE_TEST_DEV || [ "$OLD_FSTYP" != "$FSTYP" ]; then
>  		echo "RECREATING    -- $FSTYP on $TEST_DEV"
>  		_test_unmount 2> /dev/null
> +		[[ "$OLD_FSTYP" != "$FSTYP" ]] && _source_specific_fs $FSTYP

The _source_specific_fs is called when importing common/rc file:

  # check for correct setup and source the $FSTYP specific functions now
  _source_specific_fs $FSTYP


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