[PATCH v3 4/5] docs/zh_CN: add nvme-fault-injection Chinese translation

Patch content 1 changed file

From: Yikun Wei <wpeterYY@outlook.com>Date: Sat, 17 Oct 2026 19:50:28 +0800Subject: [PATCH v3 4/5] docs/zh_CN: add nvme-fault-injection Chinese translation TranslateDocumentation/fault-injection/nvme-fault-injection.rst into Chinese. Update the translation through commit 2eb81a3364ea("nvme: rename and document nvme_end_request") Signed-off-by: Yikun Wei <wpeterYY@outlook.com>--- .../fault-injection/nvme-fault-injection.rst  | 185 ++++++++++++++++++ 1 file changed, 185 insertions(+) create mode 100644 Documentation/translations/zh_CN/fault-injection/nvme-fault-injection.rst diff --git a/Documentation/translations/zh_CN/fault-injection/nvme-fault-injection.rst b/Documentation/translations/zh_CN/fault-injection/nvme-fault-injection.rstnew file mode 100644index 000000000000..5df221a8dd43--- /dev/null+++ b/Documentation/translations/zh_CN/fault-injection/nvme-fault-injection.rst@@ -0,0 +1,185 @@+.. SPDX-License-Identifier: GPL-2.0+.. include:: ../disclaimer-zh_CN.rst++:Original: Documentation/fault-injection/nvme-fault-injection.rst++:翻译:++ Yikun Wei <wpeterYY@outlook.com>++=============+NVMe 故障注入+=============++Linux 的故障注入框架提供了一种系统化的方法，通过+/sys/kernel/debug 目录中的 debugfs 来支持错误注入。+启用后，默认的 NVME_SC_INVALID_OPCODE（不重试）将被+注入到 nvme_try_complete_req 中。用户可以通过 debugfs+更改默认状态码和不重试标志。通用命令状态码的列表可以+在 include/linux/nvme.h 中找到。++以下示例展示了如何向 nvme 注入错误。++首先，启用 CONFIG_FAULT_INJECTION_DEBUG_FS 内核配置，+并重新编译内核。内核启动后，请执行以下操作。++示例 1：注入默认状态码，不重试+------------------------------++::++  mount /dev/nvme0n1 /mnt+  echo 1 > /sys/kernel/debug/nvme0n1/fault_inject/times+  echo 100 > /sys/kernel/debug/nvme0n1/fault_inject/probability+  cp a.file /mnt++预期结果::++  cp: cannot stat ‘/mnt/a.file’: Input/output error++dmesg 中的消息::++  FAULT_INJECTION: forcing a failure.+  name fault_inject, interval 1, probability 100, space 0, times 1+  CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.15.0-rc8+ #2+  Hardware name: innotek GmbH VirtualBox/VirtualBox,+  BIOS VirtualBox 12/01/2006+  Call Trace:+    <IRQ>+    dump_stack+0x5c/0x7d+    should_fail+0x148/0x170+    nvme_should_fail+0x2f/0x50 [nvme_core]+    nvme_process_cq+0xe7/0x1d0 [nvme]+    nvme_irq+0x1e/0x40 [nvme]+    __handle_irq_event_percpu+0x3a/0x190+    handle_irq_event_percpu+0x30/0x70+    handle_irq_event+0x36/0x60+    handle_fasteoi_irq+0x78/0x120+    handle_irq+0xa7/0x130+    ? tick_irq_enter+0xa8/0xc0+    do_IRQ+0x43/0xc0+    common_interrupt+0xa2/0xa2+    </IRQ>+  RIP: 0010:native_safe_halt+0x2/0x10+  RSP: 0018:ffffffff82003e90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffdd+  RAX: ffffffff817a10c0 RBX: ffffffff82012480 RCX: 0000000000000000+  RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000+  RBP: 0000000000000000 R08: 000000008e38ce64 R09: 0000000000000000+  R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff82012480+  R13: ffffffff82012480 R14: 0000000000000000 R15: 0000000000000000+    ? __sched_text_end+0x4/0x4+    default_idle+0x18/0xf0+    do_idle+0x150/0x1d0+    cpu_startup_entry+0x6f/0x80+    start_kernel+0x4c4/0x4e4+    ? set_init_arg+0x55/0x55+    secondary_startup_64+0xa5/0xb0+    print_req_error: I/O error, dev nvme0n1, sector 9240+  EXT4-fs error (device nvme0n1): ext4_find_entry:1436:+  inode #2: comm cp: reading directory lblock 0++示例 2：注入默认状态码，并重试+------------------------------++::++  mount /dev/nvme0n1 /mnt+  echo 1 > /sys/kernel/debug/nvme0n1/fault_inject/times+  echo 100 > /sys/kernel/debug/nvme0n1/fault_inject/probability+  echo 1 > /sys/kernel/debug/nvme0n1/fault_inject/status+  echo 0 > /sys/kernel/debug/nvme0n1/fault_inject/dont_retry++  cp a.file /mnt++预期结果::++  command success without error++dmesg 中的消息::++  FAULT_INJECTION: forcing a failure.+  name fault_inject, interval 1, probability 100, space 0, times 1+  CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.15.0-rc8+ #4+  Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006+  Call Trace:+    <IRQ>+    dump_stack+0x5c/0x7d+    should_fail+0x148/0x170+    nvme_should_fail+0x30/0x60 [nvme_core]+    nvme_loop_queue_response+0x84/0x110 [nvme_loop]+    nvmet_req_complete+0x11/0x40 [nvmet]+    nvmet_bio_done+0x28/0x40 [nvmet]+    blk_update_request+0xb0/0x310+    blk_mq_end_request+0x18/0x60+    flush_smp_call_function_queue+0x3d/0xf0+    smp_call_function_single_interrupt+0x2c/0xc0+    call_function_single_interrupt+0xa2/0xb0+    </IRQ>+  RIP: 0010:native_safe_halt+0x2/0x10+  RSP: 0018:ffffc9000068bec0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04+  RAX: ffffffff817a10c0 RBX: ffff88011a3c9680 RCX: 0000000000000000+  RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000+  RBP: 0000000000000001 R08: 000000008e38c131 R09: 0000000000000000+  R10: 0000000000000000 R11: 0000000000000000 R12: ffff88011a3c9680+  R13: ffff88011a3c9680 R14: 0000000000000000 R15: 0000000000000000+    ? __sched_text_end+0x4/0x4+    default_idle+0x18/0xf0+    do_idle+0x150/0x1d0+    start_secondary+0x187/0x1e0+    secondary_startup_64+0xa5/0xb0++示例 3：向第 10 个管理命令注入错误+----------------------------------++::++  echo 100 > /sys/kernel/debug/nvme0/fault_inject/probability+  echo 10 > /sys/kernel/debug/nvme0/fault_inject/space+  echo 1 > /sys/kernel/debug/nvme0/fault_inject/times+  nvme reset /dev/nvme0++预期结果::++  NVMe 控制器复位后，重新初始化可能成功，也可能失败。+  这取决于实际被强制失败的是哪个管理命令。++dmesg 中的消息::++  nvme nvme0: resetting controller+  FAULT_INJECTION: forcing a failure.+  name fault_inject, interval 1, probability 100, space 1, times 1+  CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.2.0-rc2+ #2+  Hardware name: MSI MS-7A45/B150M MORTAR ARCTIC (MS-7A45), BIOS 1.50 04/25/2017+  Call Trace:+   <IRQ>+   dump_stack+0x63/0x85+   should_fail+0x14a/0x170+   nvme_should_fail+0x38/0x80 [nvme_core]+   nvme_irq+0x129/0x280 [nvme]+   ? blk_mq_end_request+0xb3/0x120+   __handle_irq_event_percpu+0x84/0x1a0+   handle_irq_event_percpu+0x32/0x80+   handle_edge_irq+0x7f/0x1a0+   handle_irq+0x20/0x30+   do_IRQ+0x4e/0xe0+   common_interrupt+0xf/0xf+   </IRQ>+  RIP: 0010:cpuidle_enter_state+0xc5/0x460+  Code: ff e8 8f 5f 86 ff 80 7d c7 00 74 17 9c 58 0f 1f 44 00 00 f6 c4 02 0f 85 69 03 00 00 31 ff e8 62 aa 8c ff fb 66 0f 1f 44 00 00 <45> 85 ed 0f 88 37 03 00 00 4c 8b 45 d0 4c 2b 45 b8 48 ba cf f7 53+  RSP: 0018:ffffffff88c03dd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffdc+  RAX: ffff9dac25a2ac80 RBX: ffffffff88d53760 RCX: 000000000000001f+  RDX: 0000000000000000 RSI: 000000002d958403 RDI: 0000000000000000+  RBP: ffffffff88c03e18 R08: fffffff75e35ffb7 R09: 00000a49a56c0b48+  R10: ffffffff88c03da0 R11: 0000000000001b0c R12: ffff9dac25a34d00+  R13: 0000000000000006 R14: 0000000000000006 R15: ffffffff88d53760+   cpuidle_enter+0x2e/0x40+   call_cpuidle+0x23/0x40+   do_idle+0x201/0x280+   cpu_startup_entry+0x1d/0x20+   rest_init+0xaa/0xb0+   arch_call_rest_init+0xe/0x1b+   x86_64_start_reservations+0x24/0x26+   x86_64_start_kernel+0x74/0x77+   secondary_startup_64+0xa4/0xb0+  nvme nvme0: Could not set queue count (16385)+  nvme nvme0: IO queues not created-- 2.43.0