tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 65461ffb14372269f333f0e18867775c14741e76 commit: 1c9eb515727c21c6c7b8212f40c006d656473bb6 [2976/2976] nfs/enfs: introduce reconnect time KUnit tests config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20251017/202510171010.KAuyBISF-lkp@i...) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251017/202510171010.KAuyBISF-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202510171010.KAuyBISF-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

fs/nfs/enfs/pm_ping.c:196:6: warning: no previous prototype for function 'enfs_test_reconnect_time' [-Wmissing-prototypes] 196 | bool enfs_test_reconnect_time(void) | ^ fs/nfs/enfs/pm_ping.c:196:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 196 | bool enfs_test_reconnect_time(void) | ^ | static 1 warning generated.

vim +/enfs_test_reconnect_time +196 fs/nfs/enfs/pm_ping.c 194 195 #if IS_ENABLED(CONFIG_ENFS_KUNIT_TEST)

196 bool enfs_test_reconnect_time(void) 197 { 198 bool ret = true; 199 bool match; 200 s64 begin_ms = ktime_to_ms(ktime_get()); 201 s64 ms; 202 unsigned int cookie = 1; 203 struct enfs_reconnect_time time = { 204 .head = 0, 205 .tail = 0, 206 .xprt_cookie = 0, 207 }; 208 209 enfs_log_info("begin time: %lld ms\n", begin_ms); 210 211 ms = begin_ms; 212 enfs_log_info("%lld ms, cookie:%d\n", ms, cookie); 213 enfs_update_reconnect_time(&time, ms, cookie); 214 match = enfs_is_time_buf_empty(&time); 215 if (!match) 216 return false; 217 218 ms = begin_ms + 1000; 219 cookie += 1; 220 enfs_log_info("%lld ms, cookie:%d\n", ms, cookie); 221 enfs_update_reconnect_time(&time, ms, cookie); 222 match = time.head == 1 && time.tail == 0; 223 if (!match) 224 return false; 225 226 ms = begin_ms + 2000; 227 cookie += 1; 228 enfs_log_info("%lld ms, cookie:%d\n", ms, cookie); 229 enfs_update_reconnect_time(&time, ms, cookie); 230 match = time.head == 2 && time.tail == 0; 231 if (!match) 232 return false; 233 234 ms = begin_ms + 3000; 235 cookie += 1; 236 enfs_log_info("%lld ms, cookie:%d\n", ms, cookie); 237 enfs_update_reconnect_time(&time, ms, cookie); 238 match = time.head == 3 && time.tail == 0; 239 if (!match) 240 return false; 241 242 ms = begin_ms + 4000; 243 cookie += 1; 244 enfs_log_info("%lld ms, cookie:%d\n", ms, cookie); 245 enfs_update_reconnect_time(&time, ms, cookie); 246 match = time.head == 0 && time.tail == 1; 247 if (!match) 248 return false; 249 match = enfs_is_time_buf_full(&time); 250 if (!match) 251 return false; 252 253 ms = begin_ms + 5000; 254 /* cookie remains unchanged */ 255 enfs_log_info("%lld ms, cookie:%d\n", ms, cookie); 256 enfs_update_reconnect_time(&time, ms, cookie); 257 match = time.head == 0 && time.tail == 1; 258 if (!match) 259 return false; 260 261 ms = begin_ms + 5000 + ENFS_UNSTABLE_STATE_TIMEOUT * 1000 + 1; 262 cookie += 1; 263 enfs_log_info("%lld ms, cookie:%d\n", ms, cookie); 264 enfs_update_reconnect_time(&time, ms, cookie); 265 match = time.head == 1 && time.tail == 0; 266 if (!match) 267 return false; 268 269 return ret; 270 } 271 #endif 272

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