tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 76c057c84d286140c6c416c3b4ba832cd1d8984e commit: cdf8a76fda4ae3b53c5a09e5a8c79e27b7b65d68 ubsan: move cc-option tests into Kconfig date: 6 weeks ago config: powerpc64-randconfig-r031-20210128 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 48bdd676a1d1338c10541460bf5beb69ac17e451) 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 powerpc64 cross compiling tool for clang build # apt-get install binutils-powerpc64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cdf8a76fda4ae3b53c5a09e5a8c79e27b7b65d68 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout cdf8a76fda4ae3b53c5a09e5a8c79e27b7b65d68 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): arch/powerpc/include/asm/io-defs.h:45:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:142:1: note: expanded from here __do_insw ^ arch/powerpc/include/asm/io.h:542:56: note: expanded from macro '__do_insw' #define __do_insw(p, b, n) readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from fs/f2fs/gc.c:10: In file included from include/linux/backing-dev.h:15: In file included from include/linux/blkdev.h:14: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:146:1: note: expanded from here __do_insl ^ arch/powerpc/include/asm/io.h:543:56: note: expanded from macro '__do_insl' #define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from fs/f2fs/gc.c:10: In file included from include/linux/backing-dev.h:15: In file included from include/linux/blkdev.h:14: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:150:1: note: expanded from here __do_outsb ^ arch/powerpc/include/asm/io.h:544:58: note: expanded from macro '__do_outsb' #define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from fs/f2fs/gc.c:10: In file included from include/linux/backing-dev.h:15: In file included from include/linux/blkdev.h:14: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:154:1: note: expanded from here __do_outsw ^ arch/powerpc/include/asm/io.h:545:58: note: expanded from macro '__do_outsw' #define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from fs/f2fs/gc.c:10: In file included from include/linux/backing-dev.h:15: In file included from include/linux/blkdev.h:14: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:158:1: note: expanded from here __do_outsl ^ arch/powerpc/include/asm/io.h:546:58: note: expanded from macro '__do_outsl' #define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~~~~~~~~~~~~~~~~~^ >> fs/f2fs/gc.c:1358:12: warning: stack frame size of 1056 bytes in function 'gc_data_segment' [-Wframe-larger-than=] static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, ^ 7 warnings generated. -- __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:155:1: note: expanded from here __do_insw ^ arch/powerpc/include/asm/io.h:542:56: note: expanded from macro '__do_insw' #define __do_insw(p, b, n) readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from fs/xfs/libxfs/xfs_bmap.c:6: In file included from fs/xfs/xfs.h:22: In file included from fs/xfs/xfs_linux.h:31: In file included from include/linux/blkdev.h:14: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:47:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:159:1: note: expanded from here __do_insl ^ arch/powerpc/include/asm/io.h:543:56: note: expanded from macro '__do_insl' #define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from fs/xfs/libxfs/xfs_bmap.c:6: In file included from fs/xfs/xfs.h:22: In file included from fs/xfs/xfs_linux.h:31: In file included from include/linux/blkdev.h:14: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:49:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:163:1: note: expanded from here __do_outsb ^ arch/powerpc/include/asm/io.h:544:58: note: expanded from macro '__do_outsb' #define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from fs/xfs/libxfs/xfs_bmap.c:6: In file included from fs/xfs/xfs.h:22: In file included from fs/xfs/xfs_linux.h:31: In file included from include/linux/blkdev.h:14: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:51:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:167:1: note: expanded from here __do_outsw ^ arch/powerpc/include/asm/io.h:545:58: note: expanded from macro '__do_outsw' #define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~~~~~~~~~~~~~~~~~^ In file included from fs/xfs/libxfs/xfs_bmap.c:6: In file included from fs/xfs/xfs.h:22: In file included from fs/xfs/xfs_linux.h:31: In file included from include/linux/blkdev.h:14: In file included from include/linux/pagemap.h:11: In file included from include/linux/highmem.h:10: In file included from include/linux/hardirq.h:10: In file included from arch/powerpc/include/asm/hardirq.h:6: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/powerpc/include/asm/io.h:604: arch/powerpc/include/asm/io-defs.h:53:1: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c), ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/io.h:601:3: note: expanded from macro 'DEF_PCI_AC_NORET' __do_##name al; \ ^~~~~~~~~~~~~~ <scratch space>:171:1: note: expanded from here __do_outsl ^ arch/powerpc/include/asm/io.h:546:58: note: expanded from macro '__do_outsl' #define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n)) ~~~~~~~~~~~~~~~~~~~~~^ >> fs/xfs/libxfs/xfs_bmap.c:5256:1: warning: stack frame size of 1296 bytes in function '__xfs_bunmapi' [-Wframe-larger-than=] __xfs_bunmapi( ^ 7 warnings generated. vim +/gc_data_segment +1358 fs/f2fs/gc.c 7bc0900347e069 Jaegeuk Kim 2012-11-02 1350 0a8165d7c2cf13 Jaegeuk Kim 2012-11-29 1351 /* 7bc0900347e069 Jaegeuk Kim 2012-11-02 1352 * This function tries to get parent node of victim data block, and identifies 7bc0900347e069 Jaegeuk Kim 2012-11-02 1353 * data block validity. If the block is valid, copy that with cold status and 7bc0900347e069 Jaegeuk Kim 2012-11-02 1354 * modify parent node. 7bc0900347e069 Jaegeuk Kim 2012-11-02 1355 * If the parent node is not valid or the data block address is different, 7bc0900347e069 Jaegeuk Kim 2012-11-02 1356 * the victim data block is ignored. 7bc0900347e069 Jaegeuk Kim 2012-11-02 1357 */ 48018b4cfd07dd Chao Yu 2018-09-13 @1358 static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, 7dda2af83b2b75 Changman Lee 2014-11-28 1359 struct gc_inode_list *gc_list, unsigned int segno, int gc_type) 7bc0900347e069 Jaegeuk Kim 2012-11-02 1360 { 7bc0900347e069 Jaegeuk Kim 2012-11-02 1361 struct super_block *sb = sbi->sb; 7bc0900347e069 Jaegeuk Kim 2012-11-02 1362 struct f2fs_summary *entry; 7bc0900347e069 Jaegeuk Kim 2012-11-02 1363 block_t start_addr; 437275272f9e63 Jaegeuk Kim 2013-02-04 1364 int off; 7bc0900347e069 Jaegeuk Kim 2012-11-02 1365 int phase = 0; 48018b4cfd07dd Chao Yu 2018-09-13 1366 int submitted = 0; de881df97768d0 Aravind Ramesh 2020-07-16 1367 unsigned int usable_blks_in_seg = f2fs_usable_blks_in_seg(sbi, segno); 7bc0900347e069 Jaegeuk Kim 2012-11-02 1368 7bc0900347e069 Jaegeuk Kim 2012-11-02 1369 start_addr = START_BLOCK(sbi, segno); 7bc0900347e069 Jaegeuk Kim 2012-11-02 1370 7bc0900347e069 Jaegeuk Kim 2012-11-02 1371 next_step: 7bc0900347e069 Jaegeuk Kim 2012-11-02 1372 entry = sum; c718379b6b0954 Jaegeuk Kim 2013-04-24 1373 de881df97768d0 Aravind Ramesh 2020-07-16 1374 for (off = 0; off < usable_blks_in_seg; off++, entry++) { 7bc0900347e069 Jaegeuk Kim 2012-11-02 1375 struct page *data_page; 7bc0900347e069 Jaegeuk Kim 2012-11-02 1376 struct inode *inode; 7bc0900347e069 Jaegeuk Kim 2012-11-02 1377 struct node_info dni; /* dnode info for the data */ 7bc0900347e069 Jaegeuk Kim 2012-11-02 1378 unsigned int ofs_in_node, nofs; 7bc0900347e069 Jaegeuk Kim 2012-11-02 1379 block_t start_bidx; 7ea984b0604ac3 Chao Yu 2016-08-27 1380 nid_t nid = le32_to_cpu(entry->nid); 7bc0900347e069 Jaegeuk Kim 2012-11-02 1381 803e74be04b32f Jaegeuk Kim 2019-11-22 1382 /* 803e74be04b32f Jaegeuk Kim 2019-11-22 1383 * stop BG_GC if there is not enough free sections. 803e74be04b32f Jaegeuk Kim 2019-11-22 1384 * Or, stop GC if the segment becomes fully valid caused by 803e74be04b32f Jaegeuk Kim 2019-11-22 1385 * race condition along with SSR block allocation. 803e74be04b32f Jaegeuk Kim 2019-11-22 1386 */ 803e74be04b32f Jaegeuk Kim 2019-11-22 1387 if ((gc_type == BG_GC && has_not_enough_free_secs(sbi, 0, 0)) || 2bac07635ddf9e Jaegeuk Kim 2020-02-09 1388 get_valid_blocks(sbi, segno, true) == 2bac07635ddf9e Jaegeuk Kim 2020-02-09 1389 BLKS_PER_SEC(sbi)) 48018b4cfd07dd Chao Yu 2018-09-13 1390 return submitted; 7bc0900347e069 Jaegeuk Kim 2012-11-02 1391 437275272f9e63 Jaegeuk Kim 2013-02-04 1392 if (check_valid_map(sbi, segno, off) == 0) 7bc0900347e069 Jaegeuk Kim 2012-11-02 1393 continue; 7bc0900347e069 Jaegeuk Kim 2012-11-02 1394 7bc0900347e069 Jaegeuk Kim 2012-11-02 1395 if (phase == 0) { 4d57b86dd86404 Chao Yu 2018-05-30 1396 f2fs_ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nid), 1, 7ea984b0604ac3 Chao Yu 2016-08-27 1397 META_NAT, true); 7ea984b0604ac3 Chao Yu 2016-08-27 1398 continue; 7ea984b0604ac3 Chao Yu 2016-08-27 1399 } 7ea984b0604ac3 Chao Yu 2016-08-27 1400 7ea984b0604ac3 Chao Yu 2016-08-27 1401 if (phase == 1) { 4d57b86dd86404 Chao Yu 2018-05-30 1402 f2fs_ra_node_page(sbi, nid); 7bc0900347e069 Jaegeuk Kim 2012-11-02 1403 continue; 7bc0900347e069 Jaegeuk Kim 2012-11-02 1404 } 7bc0900347e069 Jaegeuk Kim 2012-11-02 1405 7bc0900347e069 Jaegeuk Kim 2012-11-02 1406 /* Get an inode by ino with checking validity */ c1079892f4e8ec Nicholas Krause 2015-06-30 1407 if (!is_alive(sbi, entry, &dni, start_addr + off, &nofs)) 7bc0900347e069 Jaegeuk Kim 2012-11-02 1408 continue; 7bc0900347e069 Jaegeuk Kim 2012-11-02 1409 7ea984b0604ac3 Chao Yu 2016-08-27 1410 if (phase == 2) { 4d57b86dd86404 Chao Yu 2018-05-30 1411 f2fs_ra_node_page(sbi, dni.ino); 7bc0900347e069 Jaegeuk Kim 2012-11-02 1412 continue; 7bc0900347e069 Jaegeuk Kim 2012-11-02 1413 } 7bc0900347e069 Jaegeuk Kim 2012-11-02 1414 7bc0900347e069 Jaegeuk Kim 2012-11-02 1415 ofs_in_node = le16_to_cpu(entry->ofs_in_node); 7bc0900347e069 Jaegeuk Kim 2012-11-02 1416 7ea984b0604ac3 Chao Yu 2016-08-27 1417 if (phase == 3) { d4686d56ec912d Jaegeuk Kim 2013-01-31 1418 inode = f2fs_iget(sb, dni.ino); 4eea93e3ff98aa Jaegeuk Kim 2019-12-20 1419 if (IS_ERR(inode) || is_bad_inode(inode)) { 4eea93e3ff98aa Jaegeuk Kim 2019-12-20 1420 set_sbi_flag(sbi, SBI_NEED_FSCK); 7bc0900347e069 Jaegeuk Kim 2012-11-02 1421 continue; 4eea93e3ff98aa Jaegeuk Kim 2019-12-20 1422 } 7bc0900347e069 Jaegeuk Kim 2012-11-02 1423 bb06664a534ba4 Chao Yu 2017-11-03 1424 if (!down_write_trylock( b2532c694033fb Chao Yu 2018-04-24 1425 &F2FS_I(inode)->i_gc_rwsem[WRITE])) { bb06664a534ba4 Chao Yu 2017-11-03 1426 iput(inode); 6f8d4455060dfb Jaegeuk Kim 2018-07-25 1427 sbi->skipped_gc_rwsem++; bb06664a534ba4 Chao Yu 2017-11-03 1428 continue; bb06664a534ba4 Chao Yu 2017-11-03 1429 } bb06664a534ba4 Chao Yu 2017-11-03 1430 6aa58d8ad20a33 Chao Yu 2018-08-14 1431 start_bidx = f2fs_start_bidx_of_node(nofs, inode) + 6aa58d8ad20a33 Chao Yu 2018-08-14 1432 ofs_in_node; 6aa58d8ad20a33 Chao Yu 2018-08-14 1433 6aa58d8ad20a33 Chao Yu 2018-08-14 1434 if (f2fs_post_read_required(inode)) { 6aa58d8ad20a33 Chao Yu 2018-08-14 1435 int err = ra_data_block(inode, start_bidx); 6aa58d8ad20a33 Chao Yu 2018-08-14 1436 6aa58d8ad20a33 Chao Yu 2018-08-14 1437 up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); 6aa58d8ad20a33 Chao Yu 2018-08-14 1438 if (err) { 6aa58d8ad20a33 Chao Yu 2018-08-14 1439 iput(inode); 6aa58d8ad20a33 Chao Yu 2018-08-14 1440 continue; 6aa58d8ad20a33 Chao Yu 2018-08-14 1441 } 6aa58d8ad20a33 Chao Yu 2018-08-14 1442 add_gc_inode(gc_list, inode); 6aa58d8ad20a33 Chao Yu 2018-08-14 1443 continue; 6aa58d8ad20a33 Chao Yu 2018-08-14 1444 } 6aa58d8ad20a33 Chao Yu 2018-08-14 1445 4d57b86dd86404 Chao Yu 2018-05-30 1446 data_page = f2fs_get_read_data_page(inode, 6aa58d8ad20a33 Chao Yu 2018-08-14 1447 start_bidx, REQ_RAHEAD, true); b2532c694033fb Chao Yu 2018-04-24 1448 up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); 31a3268839c1aa Changman Lee 2014-11-27 1449 if (IS_ERR(data_page)) { 31a3268839c1aa Changman Lee 2014-11-27 1450 iput(inode); 31a3268839c1aa Changman Lee 2014-11-27 1451 continue; 31a3268839c1aa Changman Lee 2014-11-27 1452 } 7bc0900347e069 Jaegeuk Kim 2012-11-02 1453 7bc0900347e069 Jaegeuk Kim 2012-11-02 1454 f2fs_put_page(data_page, 0); 7dda2af83b2b75 Changman Lee 2014-11-28 1455 add_gc_inode(gc_list, inode); 31a3268839c1aa Changman Lee 2014-11-27 1456 continue; 31a3268839c1aa Changman Lee 2014-11-27 1457 } 31a3268839c1aa Changman Lee 2014-11-27 1458 7ea984b0604ac3 Chao Yu 2016-08-27 1459 /* phase 4 */ 7dda2af83b2b75 Changman Lee 2014-11-28 1460 inode = find_gc_inode(gc_list, dni.ino); 7bc0900347e069 Jaegeuk Kim 2012-11-02 1461 if (inode) { 82e0a5aa5ddf79 Chao Yu 2016-07-13 1462 struct f2fs_inode_info *fi = F2FS_I(inode); 82e0a5aa5ddf79 Chao Yu 2016-07-13 1463 bool locked = false; 48018b4cfd07dd Chao Yu 2018-09-13 1464 int err; 82e0a5aa5ddf79 Chao Yu 2016-07-13 1465 82e0a5aa5ddf79 Chao Yu 2016-07-13 1466 if (S_ISREG(inode->i_mode)) { b2532c694033fb Chao Yu 2018-04-24 1467 if (!down_write_trylock(&fi->i_gc_rwsem[READ])) 82e0a5aa5ddf79 Chao Yu 2016-07-13 1468 continue; 82e0a5aa5ddf79 Chao Yu 2016-07-13 1469 if (!down_write_trylock( b2532c694033fb Chao Yu 2018-04-24 1470 &fi->i_gc_rwsem[WRITE])) { 6f8d4455060dfb Jaegeuk Kim 2018-07-25 1471 sbi->skipped_gc_rwsem++; b2532c694033fb Chao Yu 2018-04-24 1472 up_write(&fi->i_gc_rwsem[READ]); 82e0a5aa5ddf79 Chao Yu 2016-07-13 1473 continue; 82e0a5aa5ddf79 Chao Yu 2016-07-13 1474 } 82e0a5aa5ddf79 Chao Yu 2016-07-13 1475 locked = true; 73ac2f4e8256b9 Chao Yu 2017-08-23 1476 73ac2f4e8256b9 Chao Yu 2017-08-23 1477 /* wait for all inflight aio data */ 73ac2f4e8256b9 Chao Yu 2017-08-23 1478 inode_dio_wait(inode); 82e0a5aa5ddf79 Chao Yu 2016-07-13 1479 } 82e0a5aa5ddf79 Chao Yu 2016-07-13 1480 4d57b86dd86404 Chao Yu 2018-05-30 1481 start_bidx = f2fs_start_bidx_of_node(nofs, inode) c879f90da96c63 Jaegeuk Kim 2015-04-24 1482 + ofs_in_node; 6dbb17961f46b2 Eric Biggers 2018-04-18 1483 if (f2fs_post_read_required(inode)) 48018b4cfd07dd Chao Yu 2018-09-13 1484 err = move_data_block(inode, start_bidx, 48018b4cfd07dd Chao Yu 2018-09-13 1485 gc_type, segno, off); 4375a33664de17 Jaegeuk Kim 2015-04-23 1486 else 48018b4cfd07dd Chao Yu 2018-09-13 1487 err = move_data_page(inode, start_bidx, gc_type, d4c759ee5faa51 Jaegeuk Kim 2017-09-05 1488 segno, off); 82e0a5aa5ddf79 Chao Yu 2016-07-13 1489 48018b4cfd07dd Chao Yu 2018-09-13 1490 if (!err && (gc_type == FG_GC || 48018b4cfd07dd Chao Yu 2018-09-13 1491 f2fs_post_read_required(inode))) 48018b4cfd07dd Chao Yu 2018-09-13 1492 submitted++; 48018b4cfd07dd Chao Yu 2018-09-13 1493 82e0a5aa5ddf79 Chao Yu 2016-07-13 1494 if (locked) { b2532c694033fb Chao Yu 2018-04-24 1495 up_write(&fi->i_gc_rwsem[WRITE]); b2532c694033fb Chao Yu 2018-04-24 1496 up_write(&fi->i_gc_rwsem[READ]); 82e0a5aa5ddf79 Chao Yu 2016-07-13 1497 } 82e0a5aa5ddf79 Chao Yu 2016-07-13 1498 e1235983e385af Changman Lee 2014-12-23 1499 stat_inc_data_blk_count(sbi, 1, gc_type); 7bc0900347e069 Jaegeuk Kim 2012-11-02 1500 } 7bc0900347e069 Jaegeuk Kim 2012-11-02 1501 } c718379b6b0954 Jaegeuk Kim 2013-04-24 1502 7ea984b0604ac3 Chao Yu 2016-08-27 1503 if (++phase < 5) 7bc0900347e069 Jaegeuk Kim 2012-11-02 1504 goto next_step; 48018b4cfd07dd Chao Yu 2018-09-13 1505 48018b4cfd07dd Chao Yu 2018-09-13 1506 return submitted; 7bc0900347e069 Jaegeuk Kim 2012-11-02 1507 } 7bc0900347e069 Jaegeuk Kim 2012-11-02 1508 :::::: The code at line 1358 was first introduced by commit :::::: 48018b4cfd07dd2df9a067fb3a6a3221c19eed11 f2fs: submit cached bio to avoid endless PageWriteback :::::: TO: Chao Yu <yuchao0@xxxxxxxxxx> :::::: CC: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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