CC: [email protected] CC: Linux Memory Management List <[email protected]> TO: Christoph Hellwig <[email protected]> CC: Dan Williams <[email protected]> CC: Gao Xiang <[email protected]> CC: "Darrick J. Wong" <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 2850c2311ef4bf30ae8dd8927f0f66b026ff08fb commit: de2051147771017a61b62c02fd4e883c9b07712d [4363/8895] fsdax: shift partition offset handling into the file systems :::::: branch date: 12 hours ago :::::: commit date: 2 weeks ago config: x86_64-randconfig-m001-20211213 (https://download.01.org/0day-ci/archive/20211222/[email protected]/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: fs/erofs/data.c:222 erofs_iomap_begin() warn: bitwise AND condition is false here vim +222 fs/erofs/data.c dfeab2e95a75a4 Gao Xiang 2021-10-14 198 a08e67a0280215 Huang Jianan 2021-08-05 199 static int erofs_iomap_begin(struct inode *inode, loff_t offset, loff_t length, a08e67a0280215 Huang Jianan 2021-08-05 200 unsigned int flags, struct iomap *iomap, struct iomap *srcmap) a08e67a0280215 Huang Jianan 2021-08-05 201 { a08e67a0280215 Huang Jianan 2021-08-05 202 int ret; a08e67a0280215 Huang Jianan 2021-08-05 203 struct erofs_map_blocks map; dfeab2e95a75a4 Gao Xiang 2021-10-14 204 struct erofs_map_dev mdev; a08e67a0280215 Huang Jianan 2021-08-05 205 a08e67a0280215 Huang Jianan 2021-08-05 206 map.m_la = offset; a08e67a0280215 Huang Jianan 2021-08-05 207 map.m_llen = length; a08e67a0280215 Huang Jianan 2021-08-05 208 c5aa903a59db27 Gao Xiang 2021-08-20 209 ret = erofs_map_blocks(inode, &map, EROFS_GET_BLOCKS_RAW); a08e67a0280215 Huang Jianan 2021-08-05 210 if (ret < 0) a08e67a0280215 Huang Jianan 2021-08-05 211 return ret; a08e67a0280215 Huang Jianan 2021-08-05 212 dfeab2e95a75a4 Gao Xiang 2021-10-14 213 mdev = (struct erofs_map_dev) { dfeab2e95a75a4 Gao Xiang 2021-10-14 214 .m_deviceid = map.m_deviceid, dfeab2e95a75a4 Gao Xiang 2021-10-14 215 .m_pa = map.m_pa, dfeab2e95a75a4 Gao Xiang 2021-10-14 216 }; dfeab2e95a75a4 Gao Xiang 2021-10-14 217 ret = erofs_map_dev(inode->i_sb, &mdev); dfeab2e95a75a4 Gao Xiang 2021-10-14 218 if (ret) dfeab2e95a75a4 Gao Xiang 2021-10-14 219 return ret; dfeab2e95a75a4 Gao Xiang 2021-10-14 220 a08e67a0280215 Huang Jianan 2021-08-05 221 iomap->offset = map.m_la; de205114777101 Christoph Hellwig 2021-11-29 @222 if (flags & IOMAP_DAX) { de205114777101 Christoph Hellwig 2021-11-29 223 iomap->dax_dev = mdev.m_daxdev; de205114777101 Christoph Hellwig 2021-11-29 224 iomap->offset += mdev.m_dax_part_off; de205114777101 Christoph Hellwig 2021-11-29 225 } else { de205114777101 Christoph Hellwig 2021-11-29 226 iomap->bdev = mdev.m_bdev; de205114777101 Christoph Hellwig 2021-11-29 227 } a08e67a0280215 Huang Jianan 2021-08-05 228 iomap->length = map.m_llen; a08e67a0280215 Huang Jianan 2021-08-05 229 iomap->flags = 0; 771c994ea51f57 Gao Xiang 2021-08-05 230 iomap->private = NULL; a08e67a0280215 Huang Jianan 2021-08-05 231 a08e67a0280215 Huang Jianan 2021-08-05 232 if (!(map.m_flags & EROFS_MAP_MAPPED)) { a08e67a0280215 Huang Jianan 2021-08-05 233 iomap->type = IOMAP_HOLE; a08e67a0280215 Huang Jianan 2021-08-05 234 iomap->addr = IOMAP_NULL_ADDR; a08e67a0280215 Huang Jianan 2021-08-05 235 if (!iomap->length) a08e67a0280215 Huang Jianan 2021-08-05 236 iomap->length = length; a08e67a0280215 Huang Jianan 2021-08-05 237 return 0; a08e67a0280215 Huang Jianan 2021-08-05 238 } a08e67a0280215 Huang Jianan 2021-08-05 239 a08e67a0280215 Huang Jianan 2021-08-05 240 if (map.m_flags & EROFS_MAP_META) { 771c994ea51f57 Gao Xiang 2021-08-05 241 struct page *ipage; 771c994ea51f57 Gao Xiang 2021-08-05 242 771c994ea51f57 Gao Xiang 2021-08-05 243 iomap->type = IOMAP_INLINE; 771c994ea51f57 Gao Xiang 2021-08-05 244 ipage = erofs_get_meta_page(inode->i_sb, dfeab2e95a75a4 Gao Xiang 2021-10-14 245 erofs_blknr(mdev.m_pa)); 771c994ea51f57 Gao Xiang 2021-08-05 246 if (IS_ERR(ipage)) 771c994ea51f57 Gao Xiang 2021-08-05 247 return PTR_ERR(ipage); 771c994ea51f57 Gao Xiang 2021-08-05 248 iomap->inline_data = page_address(ipage) + dfeab2e95a75a4 Gao Xiang 2021-10-14 249 erofs_blkoff(mdev.m_pa); 771c994ea51f57 Gao Xiang 2021-08-05 250 iomap->private = ipage; 771c994ea51f57 Gao Xiang 2021-08-05 251 } else { a08e67a0280215 Huang Jianan 2021-08-05 252 iomap->type = IOMAP_MAPPED; dfeab2e95a75a4 Gao Xiang 2021-10-14 253 iomap->addr = mdev.m_pa; 771c994ea51f57 Gao Xiang 2021-08-05 254 } a08e67a0280215 Huang Jianan 2021-08-05 255 return 0; a08e67a0280215 Huang Jianan 2021-08-05 256 } a08e67a0280215 Huang Jianan 2021-08-05 257 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected] _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
