Hi Mike,
On 5/15/20 8:32 AM, kbuild test robot wrote:
tree: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
head: 6c871f63986b34c7768080259ddf5991c55ee385
commit: 70978208ec91d798066f4c291bc98ff914bea222 [53/58] dm zoned: metadata version 2
config: nios2-allyesconfig (attached as .config)
compiler: nios2-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 70978208ec91d798066f4c291bc98ff914bea222
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=nios2
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@xxxxxxxxx>
All errors (new ones prefixed by >>, old ones prefixed by <<):
drivers/md/dm-zoned-metadata.c: In function 'dmz_write_sb':
drivers/md/dm-zoned-metadata.c:779:3: error: implicit declaration of function 'export_uuid' [-Werror=implicit-function-declaration]
779 | export_uuid(sb->dmz_uuid, &zmd->uuid);
| ^~~~~~~~~~~
drivers/md/dm-zoned-metadata.c: In function 'dmz_check_sb':
drivers/md/dm-zoned-metadata.c:1015:3: error: implicit declaration of function 'import_uuid' [-Werror=implicit-function-declaration]
1015 | import_uuid(&sb_uuid, sb->dmz_uuid);
| ^~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/export_uuid +779 drivers/md/dm-zoned-metadata.c
761
762 /*
763 * Write super block of the specified metadata set.
764 */
765 static int dmz_write_sb(struct dmz_metadata *zmd, unsigned int set)
766 {
767 struct dmz_mblock *mblk = zmd->sb[set].mblk;
768 struct dmz_super *sb = zmd->sb[set].sb;
769 struct dmz_dev *dev = zmd->sb[set].dev;
770 sector_t sb_block;
771 u64 sb_gen = zmd->sb_gen + 1;
772 int ret;
773
774 sb->magic = cpu_to_le32(DMZ_MAGIC);
775
776 sb->version = cpu_to_le32(zmd->sb_version);
777 if (zmd->sb_version > 1) {
778 BUILD_BUG_ON(UUID_SIZE != 16);
> 779 export_uuid(sb->dmz_uuid, &zmd->uuid);
780 memcpy(sb->dmz_label, zmd->label, BDEVNAME_SIZE);
781 export_uuid(sb->dev_uuid, &dev->uuid);
782 }
783
784 sb->gen = cpu_to_le64(sb_gen);
785
786 /*
787 * The metadata always references the absolute block address,
788 * ie relative to the entire block range, not the per-device
789 * block address.
790 */
791 sb_block = zmd->sb[set].zone->id << zmd->zone_nr_blocks_shift;
792 sb->sb_block = cpu_to_le64(sb_block);
793 sb->nr_meta_blocks = cpu_to_le32(zmd->nr_meta_blocks);
794 sb->nr_reserved_seq = cpu_to_le32(zmd->nr_reserved_seq);
795 sb->nr_chunks = cpu_to_le32(zmd->nr_chunks);
796
797 sb->nr_map_blocks = cpu_to_le32(zmd->nr_map_blocks);
798 sb->nr_bitmap_blocks = cpu_to_le32(zmd->nr_bitmap_blocks);
799
800 sb->crc = 0;
801 sb->crc = cpu_to_le32(crc32_le(sb_gen, (unsigned char *)sb, DMZ_BLOCK_SIZE));
802
803 ret = dmz_rdwr_block(dev, REQ_OP_WRITE, zmd->sb[set].block,
804 mblk->page);
805 if (ret == 0)
806 ret = blkdev_issue_flush(dev->bdev, GFP_NOIO, NULL);
807
808 return ret;
809 }
810
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
This is cause by missing commit d01cd62400b3 ("uuid: Add inline helpers
to import / export UUIDs"), which went into 5.7.
Mind to update your tree?
Cheers,
Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
hare@xxxxxxx +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer
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