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[v4,blktests,0/2] Add atomic write tests for scsi and nvme

Message ID 20250207235553.322741-1-alan.adamson@oracle.com
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Series Add atomic write tests for scsi and nvme | expand

Message

Alan Adamson Feb. 7, 2025, 11:55 p.m. UTC 
Changes in v4 (per John's comments):
- Verify sysfs_atomic_unit_min_byte attribute (nvme)
- Perform atomic write test using sysfs_atomic_unit_min_byte (nvme)
- fix spelling mis (nvme)
- Remove tests that don't use the RWF_ATOMIC flag (scsi+nvme)

Changes in v3:
- Remove _have_xfs_io routine and use _have_program.
- Comment cleanup in 0001
- Add SKIP_REASONS when xfs_io -A option is absent.
- Keep lines <=80 characters.
- Move device_requires logic in 0001 and 0002 to common/rc.

Changes in v2:
- Add additional comments in common/xfs
- Remove xfs_io and kernel version checking
- Simplify paths for sysfs attributes
- Fix failed case output (missing echo) in scsi/009
- Add local variable that sets Test # and description (test_desc) for scsi/009 and nvme/059
- Only use scsi_debug device if no scsi test device is provided.
- nvme testing done with qemu-nvme.
- scsi testing done with scsi_debug and qemu-scsi (no atomic write support).  No testing on
  atomic write capable scsi devices was done.
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Add tests for atomic write support.

Tests will be delivered for scsi (using scsi_debug) and nvme.  NVMe can use the qemu-nvme
emulated device that supports Controller-based Atomic Parameters (QEMU 9.2).

The xfs_io utility delivered with the xfsprogs-devel package (version 6.12) is required by
these tests.

The Linux Kernel 6.11 (and greater) supports Atomic Writes and is required by these tests.

Alan Adamson (2):
  scsi/009: add atomic write tests
  nvme/059: add atomic write tests

 common/rc          |   8 ++
 common/xfs         |  58 ++++++++++++++
 tests/nvme/059     | 146 ++++++++++++++++++++++++++++++++++++
 tests/nvme/059.out |   9 +++
 tests/scsi/009     | 183 +++++++++++++++++++++++++++++++++++++++++++++
 tests/scsi/009.out |  13 ++++
 6 files changed, 417 insertions(+)
 create mode 100755 tests/nvme/059
 create mode 100644 tests/nvme/059.out
 create mode 100755 tests/scsi/009
 create mode 100644 tests/scsi/009.out