Hi Liu, [auto build test ERROR on v4.13-rc3] [also build test ERROR on next-20170803] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Liu-Bo/Btrfs-search-parity-device-wisely/20170803-193103 config: x86_64-randconfig-x007-201731 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): fs/btrfs/raid56.c: In function 'raid56_parity_alloc_scrub_rbio': >> fs/btrfs/raid56.c:2232:15: error: 'struct btrfs_raid_bio' has no member named 'data_stripes'; did you mean 'real_stripes'? for (i = rbio->data_stripes; i < rbio->real_stripes; i++) { ^~ vim +2232 fs/btrfs/raid56.c 2201 2202 /* 2203 * The following code is used to scrub/replace the parity stripe 2204 * 2205 * Caller must have already increased bio_counter for getting @bbio. 2206 * 2207 * Note: We need make sure all the pages that add into the scrub/replace 2208 * raid bio are correct and not be changed during the scrub/replace. That 2209 * is those pages just hold metadata or file data with checksum. 2210 */ 2211 2212 struct btrfs_raid_bio * 2213 raid56_parity_alloc_scrub_rbio(struct btrfs_fs_info *fs_info, struct bio *bio, 2214 struct btrfs_bio *bbio, u64 stripe_len, 2215 struct btrfs_device *scrub_dev, 2216 unsigned long *dbitmap, int stripe_nsectors) 2217 { 2218 struct btrfs_raid_bio *rbio; 2219 int i; 2220 2221 rbio = alloc_rbio(fs_info, bbio, stripe_len); 2222 if (IS_ERR(rbio)) 2223 return NULL; 2224 bio_list_add(&rbio->bio_list, bio); 2225 /* 2226 * This is a special bio which is used to hold the completion handler 2227 * and make the scrub rbio is similar to the other types 2228 */ 2229 ASSERT(!bio->bi_iter.bi_size); 2230 rbio->operation = BTRFS_RBIO_PARITY_SCRUB; 2231 > 2232 for (i = rbio->data_stripes; i < rbio->real_stripes; i++) { 2233 if (bbio->stripes[i].dev == scrub_dev) { 2234 rbio->scrubp = i; 2235 break; 2236 } 2237 } 2238 ASSERT(i < rbio->real_stripes); 2239 2240 /* Now we just support the sectorsize equals to page size */ 2241 ASSERT(fs_info->sectorsize == PAGE_SIZE); 2242 ASSERT(rbio->stripe_npages == stripe_nsectors); 2243 bitmap_copy(rbio->dbitmap, dbitmap, stripe_nsectors); 2244 2245 /* 2246 * We have already increased bio_counter when getting bbio, record it 2247 * so we can free it at rbio_orig_end_io(). 2248 */ 2249 rbio->generic_bio_cnt = 1; 2250 2251 return rbio; 2252 } 2253 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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