[PATCH 0/9] nvme-core: trivial cleanups

Chaitanya Kulkarni kch at nvidia.com
Wed Mar 22 20:36:27 PDT 2023


Hi,

Small code cleanups for nvme-core and the last patch has fixing really
long argument list of __nvme_submit_sync_cmd().

Please have a closer look at patch 4 and 9.

There are no functional changes in any of these patches.

-ck

Chaitanya Kulkarni (9):
  nvme-core: use uint type for shutdown timeout
  nvme-core: remove unnecessary else
  nvme-core: remvoe extra line at end of function
  nvme-core: code cleanup for __nvme_check_ready()
  nvme-core: use normal pattern
  nvme-core: open code nvme_delete_ctrl_sync()
  nvme-core: cleanup for nvme_set_latency_tolerance
  nvme-core: remove unneacessary else
  nvme-core: fix nvme_submit_sync_cmd() args

 drivers/nvme/host/auth.c    |  13 ++-
 drivers/nvme/host/core.c    | 158 +++++++++++++++++++++---------------
 drivers/nvme/host/fabrics.c |  60 +++++++++++---
 drivers/nvme/host/nvme.h    |  16 +++-
 4 files changed, 163 insertions(+), 84 deletions(-)

This series is passing the blktests for nvme-loop and nvme-tcp :-

blktests (master) # ./check nvme
nvme/002 (create many subsystems and test discovery)         [passed]
    runtime  19.504s  ...  19.508s
nvme/003 (test if we're sending keep-alives to a discovery controller) [passed]
    runtime  10.087s  ...  10.091s
nvme/004 (test nvme and nvmet UUID NS descriptors)           [passed]
    runtime  1.440s  ...  1.476s
nvme/005 (reset local loopback target)                       [passed]
    runtime  1.798s  ...  1.814s
nvme/006 (create an NVMeOF target with a block device-backed ns) [passed]
    runtime  0.061s  ...  0.053s
nvme/007 (create an NVMeOF target with a file-backed ns)     [passed]
    runtime  0.032s  ...  0.031s
nvme/008 (create an NVMeOF host with a block device-backed ns) [passed]
    runtime  1.458s  ...  1.455s
nvme/009 (create an NVMeOF host with a file-backed ns)       [passed]
    runtime  1.440s  ...  1.433s
nvme/010 (run data verification fio job on NVMeOF block device-backed ns) [passed]
    runtime  71.351s  ...  82.214s
nvme/011 (run data verification fio job on NVMeOF file-backed ns) [passed]
    runtime  73.525s  ...  70.006s
nvme/012 (run mkfs and data verification fio job on NVMeOF block device-backed ns) [passed]
    runtime  77.108s  ...  77.670s
nvme/013 (run mkfs and data verification fio job on NVMeOF file-backed ns) [passed]
    runtime  67.936s  ...  67.830s
nvme/014 (flush a NVMeOF block device-backed ns)             [passed]
    runtime  4.152s  ...  4.324s
nvme/015 (unit test for NVMe flush for file backed ns)       [passed]
    runtime  3.710s  ...  3.724s
nvme/016 (create/delete many NVMeOF block device-backed ns and test discovery) [passed]
    runtime  13.086s  ...  13.120s
nvme/017 (create/delete many file-ns and test discovery)     [passed]
    runtime  13.287s  ...  13.261s
nvme/018 (unit test NVMe-oF out of range access on a file backend) [passed]
    runtime  1.449s  ...  1.456s
nvme/019 (test NVMe DSM Discard command on NVMeOF block-device ns) [passed]
    runtime  1.435s  ...  1.455s
nvme/020 (test NVMe DSM Discard command on NVMeOF file-backed ns) [passed]
    runtime  1.422s  ...  1.419s
nvme/021 (test NVMe list command on NVMeOF file-backed ns)   [passed]
    runtime  1.430s  ...  1.445s
nvme/022 (test NVMe reset command on NVMeOF file-backed ns)  [passed]
    runtime  1.758s  ...  1.754s
nvme/023 (test NVMe smart-log command on NVMeOF block-device ns) [passed]
    runtime  1.456s  ...  1.457s
nvme/024 (test NVMe smart-log command on NVMeOF file-backed ns) [passed]
    runtime  1.416s  ...  1.432s
nvme/025 (test NVMe effects-log command on NVMeOF file-backed ns) [passed]
    runtime  1.426s  ...  1.422s
nvme/026 (test NVMe ns-descs command on NVMeOF file-backed ns) [passed]
    runtime  1.447s  ...  1.430s
nvme/027 (test NVMe ns-rescan command on NVMeOF file-backed ns) [passed]
    runtime  1.423s  ...  1.418s
nvme/028 (test NVMe list-subsys command on NVMeOF file-backed ns) [passed]
    runtime  1.434s  ...  1.416s
nvme/029 (test userspace IO via nvme-cli read/write interface) [passed]
    runtime  1.557s  ...  1.548s
nvme/030 (ensure the discovery generation counter is updated appropriately) [passed]
    runtime  0.204s  ...  0.199s
nvme/031 (test deletion of NVMeOF controllers immediately after setup) [passed]
    runtime  3.906s  ...  4.045s
nvme/038 (test deletion of NVMeOF subsystem without enabling) [passed]
    runtime  0.011s  ...  0.012s
nvme/040 (test nvme fabrics controller reset/disconnect operation during I/O) [passed]
    runtime  7.869s  ...  7.982s
nvme/041 (Create authenticated connections)                  [passed]
    runtime  0.711s  ...  0.746s
nvme/042 (Test dhchap key types for authenticated connections) [passed]
    runtime  4.567s  ...  4.589s
nvme/043 (Test hash and DH group variations for authenticated connections) [passed]
    runtime  3.162s  ...  6.974s
nvme/044 (Test bi-directional authentication)                [passed]
    runtime  1.724s  ...  1.704s
nvme/045 (Test re-authentication)                            [passed]
    runtime  3.920s  ...  3.947s
blktests (master) # nvme_trtype=tcp ./check nvme
nvme/002 (create many subsystems and test discovery)         [not run]
    runtime  19.508s  ...  
    nvme_trtype=tcp is not supported in this test
nvme/003 (test if we're sending keep-alives to a discovery controller) [passed]
    runtime  10.091s  ...  10.089s
nvme/004 (test nvme and nvmet UUID NS descriptors)           [passed]
    runtime  1.476s  ...  1.124s
nvme/005 (reset local loopback target)                       [passed]
    runtime  1.814s  ...  1.192s
nvme/006 (create an NVMeOF target with a block device-backed ns) [passed]
    runtime  0.053s  ...  0.054s
nvme/007 (create an NVMeOF target with a file-backed ns)     [passed]
    runtime  0.031s  ...  0.035s
nvme/008 (create an NVMeOF host with a block device-backed ns) [passed]
    runtime  1.455s  ...  1.133s
nvme/009 (create an NVMeOF host with a file-backed ns)       [passed]
    runtime  1.433s  ...  1.130s
nvme/010 (run data verification fio job on NVMeOF block device-backed ns) [passed]
    runtime  82.214s  ...  89.073s
nvme/011 (run data verification fio job on NVMeOF file-backed ns) [passed]
    runtime  70.006s  ...  78.218s
nvme/012 (run mkfs and data verification fio job on NVMeOF block device-backed ns) [passed]
    runtime  77.670s  ...  75.592s
nvme/013 (run mkfs and data verification fio job on NVMeOF file-backed ns) [passed]
    runtime  67.830s  ...  73.434s
nvme/014 (flush a NVMeOF block device-backed ns)             [passed]
    runtime  4.324s  ...  3.913s
nvme/015 (unit test for NVMe flush for file backed ns)       [passed]
    runtime  3.724s  ...  3.564s
nvme/016 (create/delete many NVMeOF block device-backed ns and test discovery) [not run]
    runtime  13.120s  ...  
    nvme_trtype=tcp is not supported in this test
nvme/017 (create/delete many file-ns and test discovery)     [not run]
    runtime  13.261s  ...  
    nvme_trtype=tcp is not supported in this test
nvme/018 (unit test NVMe-oF out of range access on a file backend) [passed]
    runtime  1.456s  ...  1.128s
nvme/019 (test NVMe DSM Discard command on NVMeOF block-device ns) [passed]
    runtime  1.455s  ...  1.148s
nvme/020 (test NVMe DSM Discard command on NVMeOF file-backed ns) [passed]
    runtime  1.419s  ...  1.113s
nvme/021 (test NVMe list command on NVMeOF file-backed ns)   [passed]
    runtime  1.445s  ...  1.104s
nvme/022 (test NVMe reset command on NVMeOF file-backed ns)  [passed]
    runtime  1.754s  ...  1.151s
nvme/023 (test NVMe smart-log command on NVMeOF block-device ns) [passed]
    runtime  1.457s  ...  1.132s
nvme/024 (test NVMe smart-log command on NVMeOF file-backed ns) [passed]
    runtime  1.432s  ...  1.113s
nvme/025 (test NVMe effects-log command on NVMeOF file-backed ns) [passed]
    runtime  1.422s  ...  1.105s
nvme/026 (test NVMe ns-descs command on NVMeOF file-backed ns) [passed]
    runtime  1.430s  ...  1.116s
nvme/027 (test NVMe ns-rescan command on NVMeOF file-backed ns) [passed]
    runtime  1.418s  ...  1.127s
nvme/028 (test NVMe list-subsys command on NVMeOF file-backed ns) [passed]
    runtime  1.416s  ...  1.109s
nvme/029 (test userspace IO via nvme-cli read/write interface) [passed]
    runtime  1.548s  ...  1.239s
nvme/030 (ensure the discovery generation counter is updated appropriately) [passed]
    runtime  0.199s  ...  0.126s
nvme/031 (test deletion of NVMeOF controllers immediately after setup) [passed]
    runtime  4.045s  ...  0.791s
nvme/038 (test deletion of NVMeOF subsystem without enabling) [passed]
    runtime  0.012s  ...  0.014s
nvme/040 (test nvme fabrics controller reset/disconnect operation during I/O) [passed]
    runtime  7.982s  ...  7.153s
nvme/041 (Create authenticated connections)                  [passed]
    runtime  0.746s  ...  0.402s
nvme/042 (Test dhchap key types for authenticated connections) [passed]
    runtime  4.589s  ...  2.546s
nvme/043 (Test hash and DH group variations for authenticated connections) [passed]
    runtime  6.974s  ...  0.691s
nvme/044 (Test bi-directional authentication)                [passed]
    runtime  1.704s  ...  1.122s
nvme/045 (Test re-authentication)                            [passed]
    runtime  3.947s  ...  3.782s
blktests (master) # 





-- 
2.29.0




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