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bcachefs: Multithreaded processing of reconcile_phys config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20260117/202601170657.uiPMHmY7-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/20260117/202601170657.uiPMHmY7-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202601170657.uiPMHmY7-lkp@intel.com/ All warnings (new ones prefixed by >>): >> fs/bcachefs/data/reconcile.c:1888:25: warning: stack frame size (1040) exceeds limit (1024) in 'do_reconcile_phys_thread' [-Wframe-larger-than] 1888 | static CLOSURE_CALLBACK(do_reconcile_phys_thread) | ^ 1 warning generated. vim +/do_reconcile_phys_thread +1888 fs/bcachefs/data/reconcile.c 6efb894685bad7 Kent Overstreet 2026-01-06 1887 6efb894685bad7 Kent Overstreet 2026-01-06 @1888 static CLOSURE_CALLBACK(do_reconcile_phys_thread) 6efb894685bad7 Kent Overstreet 2026-01-06 1889 { 6efb894685bad7 Kent Overstreet 2026-01-06 1890 closure_type(thr, reconcile_phys_thr, cl); 6efb894685bad7 Kent Overstreet 2026-01-06 1891 struct bch_fs *c = thr->c; 6efb894685bad7 Kent Overstreet 2026-01-06 1892 6efb894685bad7 Kent Overstreet 2026-01-06 1893 struct moving_context ctxt __cleanup(bch2_moving_ctxt_exit); 6efb894685bad7 Kent Overstreet 2026-01-06 1894 bch2_moving_ctxt_init(&ctxt, c, NULL, &thr->stats, 6efb894685bad7 Kent Overstreet 2026-01-06 1895 writepoint_ptr(&c->allocator.reconcile_write_point), 6efb894685bad7 Kent Overstreet 2026-01-06 1896 true); 6efb894685bad7 Kent Overstreet 2026-01-06 1897 6efb894685bad7 Kent Overstreet 2026-01-06 1898 struct btree_trans *trans = ctxt.trans; 6efb894685bad7 Kent Overstreet 2026-01-06 1899 6efb894685bad7 Kent Overstreet 2026-01-06 1900 CLASS(darray_reconcile_work, work)(); 6efb894685bad7 Kent Overstreet 2026-01-06 1901 darray_make_room(&work, REBALANCE_WORK_BUF_NR); 6efb894685bad7 Kent Overstreet 2026-01-06 1902 if (!work.size) { 6efb894685bad7 Kent Overstreet 2026-01-06 1903 bch_err(c, "%s: unable to allocate memory", __func__); 7533247ef4e07f Kent Overstreet 2026-01-08 1904 closure_return(cl); 7533247ef4e07f Kent Overstreet 2026-01-08 1905 return; 6efb894685bad7 Kent Overstreet 2026-01-06 1906 } 6efb894685bad7 Kent Overstreet 2026-01-06 1907 6efb894685bad7 Kent Overstreet 2026-01-06 1908 CLASS(per_snapshot_io_opts, snapshot_io_opts)(c); 6efb894685bad7 Kent Overstreet 2026-01-06 1909 6efb894685bad7 Kent Overstreet 2026-01-06 1910 struct wb_maybe_flush last_flushed __cleanup(wb_maybe_flush_exit); 6efb894685bad7 Kent Overstreet 2026-01-06 1911 wb_maybe_flush_init(&last_flushed); 6efb894685bad7 Kent Overstreet 2026-01-06 1912 6efb894685bad7 Kent Overstreet 2026-01-06 1913 struct bbpos work_pos = BBPOS(thr->btree, POS(thr->dev, 0)); 6efb894685bad7 Kent Overstreet 2026-01-06 1914 6efb894685bad7 Kent Overstreet 2026-01-06 1915 while (!bch2_move_ratelimit(&ctxt)) { 6efb894685bad7 Kent Overstreet 2026-01-06 1916 if (!bch2_reconcile_enabled(c)) 6efb894685bad7 Kent Overstreet 2026-01-06 1917 break; 6efb894685bad7 Kent Overstreet 2026-01-06 1918 6efb894685bad7 Kent Overstreet 2026-01-06 1919 bch2_trans_begin(trans); 6efb894685bad7 Kent Overstreet 2026-01-06 1920 6efb894685bad7 Kent Overstreet 2026-01-06 1921 struct bkey_s_c k = next_reconcile_entry(trans, &work, thr->btree, &work_pos.pos); 6efb894685bad7 Kent Overstreet 2026-01-06 1922 if (bkey_err(k) || 6efb894685bad7 Kent Overstreet 2026-01-06 1923 !k.k || 6efb894685bad7 Kent Overstreet 2026-01-06 1924 k.k->p.inode != thr->dev) 6efb894685bad7 Kent Overstreet 2026-01-06 1925 break; 6efb894685bad7 Kent Overstreet 2026-01-06 1926 6efb894685bad7 Kent Overstreet 2026-01-06 1927 int ret = lockrestart_do(trans, 6efb894685bad7 Kent Overstreet 2026-01-06 1928 do_reconcile_extent_phys(&ctxt, &snapshot_io_opts, work_pos, &last_flushed)); 6efb894685bad7 Kent Overstreet 2026-01-06 1929 if (ret) 6efb894685bad7 Kent Overstreet 2026-01-06 1930 break; 6efb894685bad7 Kent Overstreet 2026-01-06 1931 } 7533247ef4e07f Kent Overstreet 2026-01-08 1932 6efb894685bad7 Kent Overstreet 2026-01-06 1933 closure_return(cl); 6efb894685bad7 Kent Overstreet 2026-01-06 1934 } 6efb894685bad7 Kent Overstreet 2026-01-06 1935 :::::: The code at line 1888 was first introduced by commit :::::: 6efb894685bad7b9d57fc51a8bfef4707572382f bcachefs: Multithreaded processing of reconcile_phys :::::: TO: Kent Overstreet :::::: CC: Kent Overstreet -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki