[bcache:zoned 2/3] drivers/md/bcache/request.c:1134:34: error: no member named 'nr_zones' in 'struct request_queue'

[bcache:zoned 2/3] drivers/md/bcache/request.c:1134:34: error: no member named 'nr_zones' in 'struct request_queue'

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/colyli/linux-bcache.git zoned
head:   9560b14e9901073c5fca5e5e6c531dbd950b2b04
commit: 366b493dd533a7de96f719c30d452ea745233836 [2/3] bcache: handle zone management bios for bcache device
config: x86_64-randconfig-a013-20200521 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 3393cc4cebf9969db94dc424b7a2b6195589c33b)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        git checkout 366b493dd533a7de96f719c30d452ea745233836
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>, old ones prefixed by <<):

>> drivers/md/bcache/request.c:1072:47: warning: variable 'free_keys' is uninitialized when used here [-Wuninitialized]
ret = bch_keylist_realloc(&iop->insert_keys, free_keys, iop->c);
^~~~~~~~~
drivers/md/bcache/request.c:1065:25: note: initialize the variable 'free_keys' to silence this warning
int max_keys, free_keys;
^
= 0
>> drivers/md/bcache/request.c:1134:34: error: no member named 'nr_zones' in 'struct request_queue'
nr_zones = s->d->disk->queue->nr_zones;
~~~~~~~~~~~~~~~~~  ^
drivers/md/bcache/request.c:1422:9: error: implicit declaration of function 'blkdev_report_zones' [-Werror,-Wimplicit-function-declaration]
return blkdev_report_zones(dc->bdev,
^
drivers/md/bcache/request.c:1422:9: note: did you mean 'blkdev_nr_zones'?
include/linux/blkdev.h:373:28: note: 'blkdev_nr_zones' declared here
static inline unsigned int blkdev_nr_zones(struct gendisk *disk)
^
1 warning and 2 errors generated.

vim +1134 drivers/md/bcache/request.c

  1054	
  1055	/*
  1056	 * Invalidate the LBA range on cache device which is covered by the
  1057	 * the resetting zones.
  1058	 */
  1059	static int bch_data_invalidate_zones(struct closure *cl,
  1060					      size_t zone_sector,
  1061					      size_t nr_zones)
  1062	{
  1063		struct search *s = container_of(cl, struct search, cl);
  1064		struct data_insert_op *iop = &s->iop;
  1065		int max_keys, free_keys;
  1066		size_t start = zone_sector;
  1067		int ret;
  1068	
  1069		max_keys = (block_bytes(iop->c) - sizeof(struct jset)) /
  1070			   sizeof(uint64_t);
  1071		bch_keylist_init(&iop->insert_keys);
> 1072		ret = bch_keylist_realloc(&iop->insert_keys, free_keys, iop->c);
  1073		if (ret < 0)
  1074			return -ENOMEM;
  1075	
  1076		while (nr_zones-- > 0) {
  1077			atomic_t *journal_ref = NULL;
  1078			size_t size = s->d->disk->queue->limits.chunk_sectors;
  1079	more_keys:
  1080			bch_keylist_reset(&iop->insert_keys);
  1081			free_keys = max_keys;
  1082	
  1083			while (size > 0 && free_keys >= 2) {
  1084				size_t sectors = min_t(size_t, size,
  1085						       1U << (KEY_SIZE_BITS - 1));
  1086	
  1087				bch_keylist_add(&iop->insert_keys,
  1088						&KEY(iop->inode, start, sectors));
  1089				start += sectors;
  1090				size -= sectors;
  1091				free_keys -= 2;
  1092			}
  1093	
  1094			/* Insert invalidate keys into btree */
  1095			journal_ref = bch_journal(iop->c, &iop->insert_keys, NULL);
  1096			if (!journal_ref) {
  1097				ret = -EIO;
  1098				break;
  1099			}
  1100	
  1101			ret = bch_btree_insert(iop->c,
  1102					&iop->insert_keys, journal_ref, NULL);
  1103			atomic_dec_bug(journal_ref);
  1104			if (ret < 0)
  1105				break;
  1106	
  1107			if (size)
  1108				goto more_keys;
  1109		}
  1110	
  1111		bch_keylist_free(&iop->insert_keys);
  1112	
  1113		return ret;
  1114	}
  1115	
  1116	static void cached_dev_nodata(struct closure *cl)
  1117	{
  1118		struct search *s = container_of(cl, struct search, cl);
  1119		struct bio *bio = &s->bio.bio;
  1120		int nr_zones = 1;
  1121	
  1122		if (s->iop.flush_journal)
  1123			bch_journal_meta(s->iop.c, cl);
  1124	
  1125		if (bio_op(bio) == REQ_OP_ZONE_RESET_ALL ||
  1126		    bio_op(bio) == REQ_OP_ZONE_RESET) {
  1127			int err = 0;
  1128			/*
  1129			 * If this is REQ_OP_ZONE_RESET_ALL bio, cached data
  1130			 * covered by all zones should be invalidate from the
  1131			 * cache device.
  1132			 */
  1133			if (bio_op(bio) == REQ_OP_ZONE_RESET_ALL)
> 1134				nr_zones = s->d->disk->queue->nr_zones;
  1135	
  1136			err = bch_data_invalidate_zones(
  1137				cl, bio->bi_iter.bi_sector, nr_zones);
  1138	
  1139			if (err < 0) {
  1140				s->iop.status = errno_to_blk_status(err);
  1141				/* debug, should be removed before post patch */
  1142				bio->bi_status = BLK_STS_TIMEOUT;
  1143				/* set by bio_cnt_set() in do_bio_hook() */
  1144				bio_put(bio);
  1145				/*
  1146				 * Invalidate cached data fails, don't send
  1147				 * the zone reset bio to backing device and
  1148				 * return failure. Otherwise potential data
  1149				 * corruption on bcache device may happen.
  1150				 */
  1151				goto continue_bio_complete;
  1152			}
  1153	
  1154		}
  1155	
  1156		/*
  1157		 * For flush or zone management bios, of cause
  1158		 * they should be sent to backing device too.
  1159		 */
  1160		bio->bi_end_io = backing_request_endio;
  1161		closure_bio_submit(s->iop.c, bio, cl);
  1162	
  1163	continue_bio_complete:
  1164		continue_at(cl, cached_dev_bio_complete, NULL);
  1165	}
  1166	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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