[linux-review:UPDATE-20200422-110218/Sahitya-Tummala/f2fs-prevent-meta-updates-while-checkpoint-is-in-progress/20200327-044221 1/1] fs/f2fs/gc.c:1444:7: error: implicit declaration of function 'fatal_signal_pending'

[linux-review:UPDATE-20200422-110218/Sahitya-Tummala/f2fs-prevent-meta-updates-while-checkpoint-is-in-progress/20200327-044221 1/1] fs/f2fs/gc.c:1444:7: error: implicit declaration of function 'fatal_signal_pending'

[kbuild test robot]

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tree:   https://github.com/0day-ci/linux/commits/UPDATE-20200422-110218/Sahitya-Tummala/f2fs-prevent-meta-updates-while-checkpoint-is-in-progress/20200327-044221
head:   6fc6ac22248dde65b08f26ed8f0f77abf247c3ac
commit: 6fc6ac22248dde65b08f26ed8f0f77abf247c3ac [1/1] f2fs: prevent meta updates while checkpoint is in progress
config: sh-allmodconfig (attached as .config)
compiler: sh4-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 6fc6ac22248dde65b08f26ed8f0f77abf247c3ac
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=sh 

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

All errors (new ones prefixed by >>):

   fs/f2fs/gc.c: In function 'free_segment_range':
>> fs/f2fs/gc.c:1444:7: error: implicit declaration of function 'fatal_signal_pending' [-Werror=implicit-function-declaration]
    1444 |   if (fatal_signal_pending(current)) {
         |       ^~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/fatal_signal_pending +1444 fs/f2fs/gc.c

  1401	
  1402	static int free_segment_range(struct f2fs_sb_info *sbi,
  1403					unsigned int secs, bool gc_only)
  1404	{
  1405		unsigned int segno, next_inuse, start, end;
  1406		struct cp_control cpc = { CP_RESIZE, 0, 0, 0 };
  1407		int gc_mode, gc_type;
  1408		int err = 0;
  1409		int type;
  1410	
  1411		/* Force block allocation for GC */
  1412		MAIN_SECS(sbi) -= secs;
  1413		start = MAIN_SECS(sbi) * sbi->segs_per_sec;
  1414		end = MAIN_SEGS(sbi) - 1;
  1415	
  1416		mutex_lock(&DIRTY_I(sbi)->seglist_lock);
  1417		for (gc_mode = 0; gc_mode < MAX_GC_POLICY; gc_mode++)
  1418			if (SIT_I(sbi)->last_victim[gc_mode] >= start)
  1419				SIT_I(sbi)->last_victim[gc_mode] = 0;
  1420	
  1421		for (gc_type = BG_GC; gc_type <= FG_GC; gc_type++)
  1422			if (sbi->next_victim_seg[gc_type] >= start)
  1423				sbi->next_victim_seg[gc_type] = NULL_SEGNO;
  1424		mutex_unlock(&DIRTY_I(sbi)->seglist_lock);
  1425	
  1426		/* Move out cursegs from the target range */
  1427		for (type = CURSEG_HOT_DATA; type < NR_CURSEG_TYPE; type++)
  1428			allocate_segment_for_resize(sbi, type, start, end);
  1429	
  1430		/* do GC to move out valid blocks in the range */
  1431		for (segno = start; segno <= end; segno += sbi->segs_per_sec) {
  1432			struct gc_inode_list gc_list = {
  1433				.ilist = LIST_HEAD_INIT(gc_list.ilist),
  1434				.iroot = RADIX_TREE_INIT(gc_list.iroot, GFP_NOFS),
  1435			};
  1436	
  1437			do_garbage_collect(sbi, segno, &gc_list, FG_GC);
  1438			put_gc_inode(&gc_list);
  1439	
  1440			if (!gc_only && get_valid_blocks(sbi, segno, true)) {
  1441				err = -EAGAIN;
  1442				goto out;
  1443			}
> 1444			if (fatal_signal_pending(current)) {
  1445				err = -ERESTARTSYS;
  1446				goto out;
  1447			}
  1448		}
  1449		if (gc_only)
  1450			goto out;
  1451	
  1452		err = f2fs_write_checkpoint(sbi, &cpc);
  1453		if (err)
  1454			goto out;
  1455	
  1456		next_inuse = find_next_inuse(FREE_I(sbi), end + 1, start);
  1457		if (next_inuse <= end) {
  1458			f2fs_err(sbi, "segno %u should be free but still inuse!",
  1459				 next_inuse);
  1460			f2fs_bug_on(sbi, 1);
  1461		}
  1462	out:
  1463		MAIN_SECS(sbi) += secs;
  1464		return err;
  1465	}
  1466	

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

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