On Wed, Mar 23, 2016 at 02:42:35PM +0100, Jan Kara wrote:
> Add test which spawns two threads racing to write to file via mmap and
> checks the result. This is mainly interesting to uncover races in DAX
> fault handling.
>
> Signed-off-by: Jan Kara <jack@xxxxxxx>
> ---
> src/Makefile | 5 +-
> src/holetest.c | 342 ++++++++++++++++++++++++++++++++++++++++++++++++++
> tests/generic/338 | 57 +++++++++
> tests/generic/338.out | 73 +++++++++++
> tests/generic/group | 1 +
> 5 files changed, 476 insertions(+), 2 deletions(-)
> create mode 100644 src/holetest.c
> create mode 100755 tests/generic/338
> create mode 100644 tests/generic/338.out
338 is taken, 340 is free now :)
[snip]
> +
> +seq=`basename $0`
> +seqres=$RESULT_DIR/$seq
> +echo "QA output created by $seq"
> +tmp=/tmp/$$
> +status=1 # failure is the default!
> +trap "_cleanup; exit \$status" 0 1 2 3 15
> +
> +_cleanup()
> +{
> + cd /
> + rm -f $tmp.*
> +}
> +
> +# get standard environment and checks
> +. ./common/rc
> +
> +# real QA test starts here
> +_supported_fs generic
> +_supported_os Linux
> +_require_scratch
Need to make sure "holetest" is built here, and there's a new helper to
do it now
_require_test_program "holetest"
And test fails when I tested on ext3/2/NFS/CIFS, because they have no
fallocate support, so need to test for fallocate support as well
_require_xfs_io_command "falloc"
Thanks,
Eryu
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