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X-CSE-ConnectionGUID: rPhNBIXAS6uXJr6TX0mJ9g== X-CSE-MsgGUID: Ap7jDM7VT6Whpj+y7yU52w== X-IronPort-AV: E=McAfee;i="6800,10657,11903"; a="100008628" X-IronPort-AV: E=Sophos;i="6.27,100,1787036400"; d="scan'208";a="100008628" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Sep 2026 22:08:39 -0700 X-CSE-ConnectionGUID: F65IfLRKTWqmqH4E3SCn+g== X-CSE-MsgGUID: bzGj65wPRmGy55VUg6Btmw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,100,1787036400"; d="scan'208";a="270531054" Received: from igk-lkp-server01.igk.intel.com (HELO 2232cf45ba3c) ([10.211.93.152]) by orviesa006.jf.intel.com with ESMTP; 12 Sep 2026 22:08:37 -0700 Received: from kbuild by 2232cf45ba3c with local (Exim 4.98.2) (envelope-from ) id 1x5cSA-000000001Wp-3ZkB; Sun, 13 Sep 2026 05:08:34 +0000 Date: Sun, 13 Sep 2026 07:08:23 +0200 From: kernel test robot To: Kent Overstreet Cc: oe-kbuild-all@lists.linux.dev Subject: [koverstreet-bcachefs:trace_sched_wakeup_backtrace 57/332] fs/bcachefs/snapshots/snapshot.c:378:7: warning: variable 'lock_dropped' set but not used Message-ID: <202609130706.MIJr23Rk-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://github.com/koverstreet/bcachefs trace_sched_wakeup_backtrace head: 9e7cbd4ad9c7a7ba461dbba9185628c006e200cd commit: 54998105f6ef5d0c64d7986fd6f670d2b4f3bef4 [57/332] bcachefs: Drop locks for printbuf allocation in snapshot_get_print() config: xtensa-randconfig-r073-20260913 (https://download.01.org/0day-ci/archive/20260913/202609130706.MIJr23Rk-lkp@intel.com/config) compiler: xtensa-linux-gcc (GCC) 10.5.0 smatch: v0.5.0-9187-g5189e3fb reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260913/202609130706.MIJr23Rk-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/202609130706.MIJr23Rk-lkp@intel.com/ All warnings (new ones prefixed by >>): fs/bcachefs/snapshots/snapshot.c: In function 'snapshot_get_print': >> fs/bcachefs/snapshots/snapshot.c:378:7: warning: variable 'lock_dropped' set but not used [-Wunused-but-set-variable] 378 | bool lock_dropped = false; | ^~~~~~~~~~~~ vim +/lock_dropped +378 fs/bcachefs/snapshots/snapshot.c 330 331 static int snapshot_get_print(struct printbuf *out, struct btree_trans *trans, u32 id) 332 { 333 prt_printf(out, "%u \t", id); 334 335 struct bch_snapshot s; 336 int ret = bch2_snapshot_lookup(trans, id, &s); 337 if (bch2_err_matches(ret, BCH_ERR_transaction_restart)) 338 return ret; 339 340 if (ret) { 341 prt_str(out, bch2_err_str(ret)); 342 } else { 343 if (BCH_SNAPSHOT_DELETED(&s)) 344 prt_str(out, "deleted "); 345 if (BCH_SNAPSHOT_NO_KEYS(&s)) 346 prt_str(out, "no_keys "); 347 if (BCH_SNAPSHOT_WILL_DELETE(&s)) 348 prt_str(out, "will_delete "); 349 if (BCH_SNAPSHOT_SUBVOL(&s)) 350 prt_printf(out, "subvol %u", le32_to_cpu(s.subvol)); 351 352 prt_tab(out); 353 354 if (s.subvol) { 355 struct bch_subvolume subvol; 356 ret = bch2_subvolume_get(trans, le32_to_cpu(s.subvol), false, &subvol); 357 if (bch2_err_matches(ret, BCH_ERR_transaction_restart)) 358 return ret; 359 360 if (ret) 361 prt_str(out, bch2_err_str(ret)); 362 else 363 try(bch2_inum_to_path(trans, (subvol_inum) 364 { le32_to_cpu(s.subvol), le64_to_cpu(subvol.inode) }, out)); 365 } 366 367 prt_tab(out); 368 369 u64 v[1] = { 0 }; 370 try(bch2_fs_accounting_read_key2(trans, v, snapshot, id)); 371 372 prt_human_readable_u64(out, v[0] << 9); 373 prt_tab_rjust(out); 374 } 375 376 prt_newline(out); 377 > 378 bool lock_dropped = false; 379 allocate_dropping_locks_norelock(trans, lock_dropped, 380 !bch2_printbuf_make_room_gfp(out, 1024, _gfp)); 381 return 0; 382 } 383 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki