From: kernel test robot <lkp@intel.com>
To: Codex <jullanggit@proton.me>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: [koverstreet-bcachefs:pr/1073 60/62] fs/bcachefs/init/dev.c:2241:12: warning: stack frame size (1088) exceeds limit (1024) in 'bch2_dev_resize_thread'
Date: Wed, 22 Apr 2026 23:20:15 +0800 [thread overview]
Message-ID: <202604222317.Gn6OQEv2-lkp@intel.com> (raw)
tree: https://github.com/koverstreet/bcachefs pr/1073
head: d2a62b04dbdf826f75c734329003dbb927941266
commit: a2c5355977eeeff6c78b444746f448b673689cea [60/62] bcachefs: shrink: bound stalled tail detection on reconcile work
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20260422/202604222317.Gn6OQEv2-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260422/202604222317.Gn6OQEv2-lkp@intel.com/reproduce)
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/202604222317.Gn6OQEv2-lkp@intel.com/
All warnings (new ones prefixed by >>):
fs/bcachefs/init/dev.c:1004:5: warning: stack frame size (1056) exceeds limit (1024) in 'bch2_dev_add' [-Wframe-larger-than]
1004 | int bch2_dev_add(struct bch_fs *c, const char *path, struct printbuf *err)
| ^
>> fs/bcachefs/init/dev.c:2241:12: warning: stack frame size (1088) exceeds limit (1024) in 'bch2_dev_resize_thread' [-Wframe-larger-than]
2241 | static int bch2_dev_resize_thread(void *arg)
| ^
2 warnings generated.
vim +/bch2_dev_resize_thread +2241 fs/bcachefs/init/dev.c
24a0d1607fa915 Jul Lang 2026-02-17 2240
557af95f7f9ec3 Codex 2026-04-14 @2241 static int bch2_dev_resize_thread(void *arg)
557af95f7f9ec3 Codex 2026-04-14 2242 {
557af95f7f9ec3 Codex 2026-04-14 2243 struct bch_dev *ca = arg;
557af95f7f9ec3 Codex 2026-04-14 2244 struct bch_fs *c = ca->fs;
557af95f7f9ec3 Codex 2026-04-14 2245 u64 seen_seq = 0;
557af95f7f9ec3 Codex 2026-04-14 2246
557af95f7f9ec3 Codex 2026-04-14 2247 set_freezable();
557af95f7f9ec3 Codex 2026-04-14 2248
557af95f7f9ec3 Codex 2026-04-14 2249 while (!kthread_should_stop()) {
557af95f7f9ec3 Codex 2026-04-14 2250 kthread_wait_freezable(kthread_should_stop() ||
557af95f7f9ec3 Codex 2026-04-14 2251 bch2_dev_resize_seq(ca) != seen_seq);
557af95f7f9ec3 Codex 2026-04-14 2252 if (kthread_should_stop())
557af95f7f9ec3 Codex 2026-04-14 2253 break;
557af95f7f9ec3 Codex 2026-04-14 2254
557af95f7f9ec3 Codex 2026-04-14 2255 while (!kthread_should_stop()) {
557af95f7f9ec3 Codex 2026-04-14 2256 u64 seq = bch2_dev_resize_seq(ca);
557af95f7f9ec3 Codex 2026-04-14 2257 u64 target = bch2_dev_resize_target(ca);
557af95f7f9ec3 Codex 2026-04-14 2258 int ret;
557af95f7f9ec3 Codex 2026-04-14 2259 CLASS(printbuf, err)();
557af95f7f9ec3 Codex 2026-04-14 2260
557af95f7f9ec3 Codex 2026-04-14 2261 if (target == ca->mi.nbuckets) {
557af95f7f9ec3 Codex 2026-04-14 2262 ret = 0;
557af95f7f9ec3 Codex 2026-04-14 2263 } else if (target > ca->mi.nbuckets) {
557af95f7f9ec3 Codex 2026-04-14 2264 ret = __bch2_dev_grow(c, ca, target, &err);
557af95f7f9ec3 Codex 2026-04-14 2265 } else {
557af95f7f9ec3 Codex 2026-04-14 2266 ret = __bch2_dev_shrink(c, ca, target, seq, &err);
557af95f7f9ec3 Codex 2026-04-14 2267 }
557af95f7f9ec3 Codex 2026-04-14 2268
557af95f7f9ec3 Codex 2026-04-14 2269 if (ret == -EAGAIN)
557af95f7f9ec3 Codex 2026-04-14 2270 continue;
557af95f7f9ec3 Codex 2026-04-14 2271
557af95f7f9ec3 Codex 2026-04-14 2272 if (ret && err.pos)
557af95f7f9ec3 Codex 2026-04-14 2273 bch_err_dev(ca, "%s", err.buf);
557af95f7f9ec3 Codex 2026-04-14 2274 else if (ret && ret != -EINTR)
557af95f7f9ec3 Codex 2026-04-14 2275 bch_err_fn_dev(ca, ret);
557af95f7f9ec3 Codex 2026-04-14 2276
557af95f7f9ec3 Codex 2026-04-14 2277 seen_seq = bch2_dev_resize_seq(ca);
557af95f7f9ec3 Codex 2026-04-14 2278 if (ret == -EINTR)
557af95f7f9ec3 Codex 2026-04-14 2279 break;
557af95f7f9ec3 Codex 2026-04-14 2280 if (!bch2_dev_resize_finish(ca, seq, ret))
557af95f7f9ec3 Codex 2026-04-14 2281 continue;
557af95f7f9ec3 Codex 2026-04-14 2282 break;
557af95f7f9ec3 Codex 2026-04-14 2283 }
557af95f7f9ec3 Codex 2026-04-14 2284 }
557af95f7f9ec3 Codex 2026-04-14 2285
557af95f7f9ec3 Codex 2026-04-14 2286 return 0;
557af95f7f9ec3 Codex 2026-04-14 2287 }
557af95f7f9ec3 Codex 2026-04-14 2288
:::::: The code at line 2241 was first introduced by commit
:::::: 557af95f7f9ec319e6085541199cc4e936a5778b bcachefs: make device resize converge to the latest target
:::::: TO: Codex <jullanggit@proton.me>
:::::: CC: Jul Lang <jullanggit@proton.me>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-04-22 15:20 UTC|newest]
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