From: "Darrick J. Wong" <djwong@xxxxxxxxxx> Always export STATX_WRITE_ATOMIC so anyone can use it, make the "cp reflink" logic work for any filesystem, not just xfs, and create a separate helper to check that the necessary xfs_io support is present. Signed-off-by: "Darrick J. Wong" <djwong@xxxxxxxxxx> Signed-off-by: Catherine Hoang <catherine.hoang@xxxxxxxxxx> Reviewed-by: John Garry <john.g.garry@xxxxxxxxxx> Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@xxxxxxxxx> --- common/atomicwrites | 18 +++++++++++------- tests/generic/765 | 2 +- 2 files changed, 12 insertions(+), 8 deletions(-) diff --git a/common/atomicwrites b/common/atomicwrites index fd3a9b71..9ec1ca68 100644 --- a/common/atomicwrites +++ b/common/atomicwrites @@ -4,6 +4,8 @@ # # Routines for testing atomic writes. +export STATX_WRITE_ATOMIC=0x10000 + _get_atomic_write_unit_min() { $XFS_IO_PROG -c "statx -r -m $STATX_WRITE_ATOMIC" $1 | \ @@ -26,8 +28,6 @@ _require_scratch_write_atomic() { _require_scratch - export STATX_WRITE_ATOMIC=0x10000 - awu_min_bdev=$(_get_atomic_write_unit_min $SCRATCH_DEV) awu_max_bdev=$(_get_atomic_write_unit_max $SCRATCH_DEV) @@ -51,6 +51,14 @@ _require_scratch_write_atomic() fi } +# Check for xfs_io commands required to run _test_atomic_file_writes +_require_atomic_write_test_commands() +{ + _require_xfs_io_command "falloc" + _require_xfs_io_command "fpunch" + _require_xfs_io_command pwrite -A +} + _test_atomic_file_writes() { local bsize="$1" @@ -64,11 +72,7 @@ _test_atomic_file_writes() test $bytes_written -eq $bsize || echo "atomic write len=$bsize failed" # Check that we can perform an atomic single-block cow write - if [ "$FSTYP" == "xfs" ]; then - testfile_cp=$SCRATCH_MNT/testfile_copy - if _xfs_has_feature $SCRATCH_MNT reflink; then - cp --reflink $testfile $testfile_cp - fi + if cp --reflink=always $testfile $testfile_cp 2>> $seqres.full; then bytes_written=$($XFS_IO_PROG -dc "pwrite -A -D -V1 -b $bsize 0 $bsize" $testfile_cp | \ grep wrote | awk -F'[/ ]' '{print $2}') test $bytes_written -eq $bsize || echo "atomic write on reflinked file failed" diff --git a/tests/generic/765 b/tests/generic/765 index 09e9fa38..71604e5e 100755 --- a/tests/generic/765 +++ b/tests/generic/765 @@ -12,7 +12,7 @@ _begin_fstest auto quick rw atomicwrites . ./common/atomicwrites _require_scratch_write_atomic -_require_xfs_io_command pwrite -A +_require_atomic_write_test_commands get_supported_bsize() { -- 2.34.1