【kernel-4.19】openEuler kernel nvme 驱动增强

# 1 第一次补丁推送
-------

git log --stat fed509d234e0...5e78085c6a92

```cpp
5e78085c6a92 (tag: 4.19.90-2011.2.0) nvme-fabrics: modify default value to reconnect forever
cee1536f0d6d nvme-rdma: add module param to turn off inline data dynamically
7ca9fd5bc03e nvme-rdma: fix crash casue by destroy id while resolving addr
7f5e79f5b174 nvme-rdma: avoid race between time out and tear down
c271c9c7c424 nvme-core: introduce sync io queues
7f5e79f5b174 nvme-rdma: avoid race between time out and tear down
c271c9c7c424 nvme-core: introduce sync io queues
3976a65d2388 nvme-rdma: avoid repeated request completion
dffdd18496c2 nvme-rdma: fix crash due to incorrect cqe
bdb96f13795d nvme-multipath: fix crash in nvme_mpath_clear_ctrl_paths
e90810b33588 nvme: fix controller removal race with scan work
dbf7a19d9e88 nvme-multipath: fix bogus request queue reference put
5e1cc0053907 nvme-multipath: fix deadlock due to head->lock
ff0c17f8a3e0 nvme: don't protect ns mutation with ns->head->lock
adda4c9bee31 nvme: clear any SGL flags in passthru commands
9ecffdadbcff nvme: disable streams when get stream params failed
7e15d7354bba nvme: revalidate after verifying identifiers
bd656f0eac17 nvme: release namespace head reference on error
614a0676d27f nvme: unlink head after removing last namespace
c4b7246a2d7a nvme: Make nvme_uninit_ctrl symmetric to nvme_init_ctrl
62baf4092a0b nvme: Fix ctrl use-after-free during sysfs deletion
21d889f5591f nvme-rdma: fix crash when connect rejected
12057ba1c01a nvme-rdma: fix timeout handler
86825596da8c nvme: Fix parsing of ANA log page
2bff3c08273c nvme: release ida resources
6bc5e63b1edb nvme: Add compat_ioctl handler for NVME_IOCTL_SUBMIT_IO
7fa1a1b7f644 nvme: introduce "Command Aborted By host" status code
18420a7a0708 nvme: enable aen regardless of the presence of I/O queues
c8de72037cbe nvme: make nvme_identify_ns propagate errors back
0728af6fd1f4 nvme: pass status to nvme_error_status
04a88639fac7 nvme: don't abort completed request in nvme_cancel_request
8ba212a80e9a nvme: put ns_head ref if namespace fails allocation
aa8d040e0d75 nvme: implement Enhanced Command Retry
a9f851e91476 nvme: wait until all completed request's complete fn is called
89d76f416245 blk-mq: introduce blk_mq_tagset_wait_completed_request()
7aaebe6650e3 blk-mq: introduce blk_mq_request_completed()
650257e19fdb nvme-rdma: fix a segmentation fault during module unload
c23725b47136 mlx5: remove support for ib_get_vector_affinity
d4406d8e011e nvme-rdma: fix possible use-after-free in connect timeout
bc74bf5cc96e nvme-rdma: fix possible use-after-free in connect error flow
fe309f57bd4a nvme-rdma: use dynamic dma mapping per command
a295f43a3c8c nvme-rdma: remove redundant reference between ib_device and tagset
```

AND

```cpp
7adf22ccb313 nvme-fabrics: reject I/O to offline device
3aa30a87da11 config: enable CONFIG_NVME_MULTIPATH by default
```

kernel-4.19 的部分提交如下

```cpp
71d5bef3440a nvme-fabrics: modify default value to reconnect forever
d53453ee8810 nvme-rdma: add module param to turn off inline data dynamically
6a4a95988a4d nvme-rdma: fix crash casue by destroy id while resolving addr
833a588afdd7 nvme-rdma: avoid race between time out and tear down
893f65196e9a nvme-core: introduce sync io queues
d0b1f6efa5ef nvme-rdma: avoid repeated request completion
38e0ed923ee6 nvme-rdma: fix crash due to incorrect cqe
52d7c4c346ad nvme-multipath: fix crash in nvme_mpath_clear_ctrl_paths
67405b7f7700 nvme: fix controller removal race with scan work
f8026ea3ad0c nvme-multipath: fix bogus request queue reference put
f0f2d9241635 nvme-multipath: fix deadlock due to head->lock
cd462a392cc8 nvme: don't protect ns mutation with ns->head->lock
af5af1984922 nvme: clear any SGL flags in passthru commands
b24247efeb0d nvme: disable streams when get stream params failed
c48c58990cfd nvme: revalidate after verifying identifiers
863d4f5c9316 nvme: release namespace head reference on error
2a09dc0fac9f nvme: unlink head after removing last namespace
d60b649bee2a nvme: Make nvme_uninit_ctrl symmetric to nvme_init_ctrl
b2782d29521c nvme: Fix ctrl use-after-free during sysfs deletion
```

```cpp
f553ac1ce6d9 nvme-rdma: fix timeout handler
47b3c74cec2c nvme: Fix parsing of ANA log page
876ad7cfcf93 nvme: release ida resources
b014984fdaa7 nvme: Add compat_ioctl handler for NVME_IOCTL_SUBMIT_IO
a8c035a0b61c nvme: introduce "Command Aborted By host" status code
21a36feb5ec3 nvme: enable aen regardless of the presence of I/O queues
aee2da24dfdd nvme: make nvme_identify_ns propagate errors back
e3705816beac nvme: pass status to nvme_error_status
6bc9b60588cf nvme: don't abort completed request in nvme_cancel_request
6a0d87b0971d nvme: put ns_head ref if namespace fails allocation
647f57ac78d7 nvme: implement Enhanced Command Retry
e4a347e76210 nvme: wait until all completed request's complete fn is called
dbfac83861f4 blk-mq: introduce blk_mq_tagset_wait_completed_request()
286addc3dcba blk-mq: introduce blk_mq_request_completed()
4440769bb23e nvme-rdma: fix a segmentation fault during module unload
cced9d2813ea mlx5: remove support for ib_get_vector_affinity
9eae5c2e2d4b nvme-rdma: fix possible use-after-free in connect timeout
9ee4dc3a1bc8 nvme-rdma: fix possible use-after-free in connect error flow
44540b29c71b nvme-rdma: use dynamic dma mapping per command
68ce50041e63 nvme-rdma: remove redundant reference between ib_device and tagset
```

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