tree: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git dm-5.8 head: 44eaf01834bc7414ab5298d097ed4e142a714420 commit: 21a33c39f41e5fc4e9ecfdf958190c9dc4a86b94 [47/54] dm zoned: remove 'dev' argument from reclaim config: parisc-randconfig-r024-20200519 (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 21a33c39f41e5fc4e9ecfdf958190c9dc4a86b94 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>, old ones prefixed by <<): In file included from include/linux/mm.h:94, from include/linux/bvec.h:13, from include/linux/blk_types.h:10, from include/linux/genhd.h:19, from include/linux/blkdev.h:11, from drivers/md/dm-zoned.h:12, from drivers/md/dm-zoned-reclaim.c:8: include/asm-generic/pgtable.h: In function 'pte_clear_not_present_full': arch/parisc/include/asm/pgtable.h:96:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 96 | pte_t old_pte; | ^~~~~~~ arch/parisc/include/asm/pgtable.h:322:34: note: in expansion of macro 'set_pte_at' 322 | #define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0)) | ^~~~~~~~~~ include/asm-generic/pgtable.h:201:2: note: in expansion of macro 'pte_clear' 201 | pte_clear(mm, address, ptep); | ^~~~~~~~~ include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit': arch/parisc/include/asm/pgtable.h:96:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 96 | pte_t old_pte; | ^~~~~~~ include/asm-generic/pgtable.h:640:2: note: in expansion of macro 'set_pte_at' 640 | set_pte_at(vma->vm_mm, addr, ptep, pte); | ^~~~~~~~~~ drivers/md/dm-zoned-reclaim.c: In function 'dmz_do_reclaim': >> drivers/md/dm-zoned-reclaim.c:350:18: warning: variable 'dev' set but not used [-Wunused-but-set-variable] 350 | struct dmz_dev *dev; | ^~~ vim +/dev +350 drivers/md/dm-zoned-reclaim.c 341 342 /* 343 * Find a candidate zone for reclaim and process it. 344 */ 345 static int dmz_do_reclaim(struct dmz_reclaim *zrc) 346 { 347 struct dmz_metadata *zmd = zrc->metadata; 348 struct dm_zone *dzone; 349 struct dm_zone *rzone; > 350 struct dmz_dev *dev; 351 unsigned long start; 352 int ret; 353 354 /* Get a data zone */ 355 dzone = dmz_get_zone_for_reclaim(zmd); 356 if (IS_ERR(dzone)) 357 return PTR_ERR(dzone); 358 359 start = jiffies; 360 dev = dmz_zone_to_dev(zmd, dzone); 361 if (dmz_is_rnd(dzone)) { 362 if (!dmz_weight(dzone)) { 363 /* Empty zone */ 364 dmz_reclaim_empty(zrc, dzone); 365 ret = 0; 366 } else { 367 /* 368 * Reclaim the random data zone by moving its 369 * valid data blocks to a free sequential zone. 370 */ 371 ret = dmz_reclaim_rnd_data(zrc, dzone); 372 } 373 rzone = dzone; 374 375 } else { 376 struct dm_zone *bzone = dzone->bzone; 377 sector_t chunk_block = 0; 378 379 ret = dmz_first_valid_block(zmd, bzone, &chunk_block); 380 if (ret < 0) 381 goto out; 382 383 if (ret == 0 || chunk_block >= dzone->wp_block) { 384 /* 385 * The buffer zone is empty or its valid blocks are 386 * after the data zone write pointer. 387 */ 388 ret = dmz_reclaim_buf(zrc, dzone); 389 rzone = bzone; 390 } else { 391 /* 392 * Reclaim the data zone by merging it into the 393 * buffer zone so that the buffer zone itself can 394 * be later reclaimed. 395 */ 396 ret = dmz_reclaim_seq_data(zrc, dzone); 397 rzone = dzone; 398 } 399 } 400 out: 401 if (ret) { 402 dmz_unlock_zone_reclaim(dzone); 403 return ret; 404 } 405 406 ret = dmz_flush_metadata(zrc->metadata); 407 if (ret) { 408 DMDEBUG("(%s): Metadata flush for zone %u failed, err %d\n", 409 dmz_metadata_label(zmd), rzone->id, ret); 410 return ret; 411 } 412 413 DMDEBUG("(%s): Reclaimed zone %u in %u ms", 414 dmz_metadata_label(zmd), 415 rzone->id, jiffies_to_msecs(jiffies - start)); 416 return 0; 417 } 418 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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