Messages in this thread | | | Date | Sat, 18 Sep 2021 13:24:22 +0800 | From | kernel test robot <> | Subject | [djwong-xfs:zero-initialize-pmem 46/309] fs/xfs/scrub/iscan.c:66:1: warning: no previous prototype for 'xchk_iscan_find_next' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git zero-initialize-pmem head: f712bfd382f71deb666686b6d969dc10592e7d79 commit: 03f4db65226a4fd8c62e54b84899e542336dd8a5 [46/309] xfs: implement live quotacheck inode scan config: arc-randconfig-r032-20210918 (attached as .config) compiler: arc-elf-gcc (GCC) 11.2.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git/commit/?id=03f4db65226a4fd8c62e54b84899e542336dd8a5 git remote add djwong-xfs https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git git fetch --no-tags djwong-xfs zero-initialize-pmem git checkout 03f4db65226a4fd8c62e54b84899e542336dd8a5 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> fs/xfs/scrub/iscan.c:66:1: warning: no previous prototype for 'xchk_iscan_find_next' [-Wmissing-prototypes] 66 | xchk_iscan_find_next( | ^~~~~~~~~~~~~~~~~~~~
vim +/xchk_iscan_find_next +66 fs/xfs/scrub/iscan.c
60 61 /* 62 * Set *cursor to the next allocated inode after whatever it's set to now. 63 * If there are no more inodes in this AG, cursor is set to NULLAGINO. 64 */ 65 int > 66 xchk_iscan_find_next( 67 struct xfs_mount *mp, 68 struct xfs_trans *tp, 69 struct xfs_buf *agi_bp, 70 struct xfs_perag *pag, 71 xfs_agino_t *cursor) 72 { 73 struct xfs_inobt_rec_incore rec; 74 struct xfs_btree_cur *cur; 75 xfs_agnumber_t agno = pag->pag_agno; 76 xfs_agino_t lastino = NULLAGINO; 77 xfs_agino_t first, last; 78 xfs_agino_t agino = *cursor; 79 int has_rec; 80 int error; 81 82 /* If the cursor is beyond the end of this AG, move to the next one. */ 83 xfs_agino_range(mp, agno, &first, &last); 84 if (agino > last) { 85 *cursor = NULLAGINO; 86 return 0; 87 } 88 89 /* 90 * Look up the inode chunk for the current cursor position. If there 91 * is no chunk here, we want the next one. 92 */ 93 cur = xfs_inobt_init_cursor(mp, tp, agi_bp, pag, XFS_BTNUM_INO); 94 error = xfs_inobt_lookup(cur, agino, XFS_LOOKUP_LE, &has_rec); 95 if (!error && !has_rec) 96 error = xfs_btree_increment(cur, 0, &has_rec); 97 for (; !error; error = xfs_btree_increment(cur, 0, &has_rec)) { 98 /* 99 * If we've run out of inobt records in this AG, move the 100 * cursor on to the next AG and exit. The caller can try 101 * again with the next AG. 102 */ 103 if (!has_rec) { 104 *cursor = NULLAGINO; 105 break; 106 } 107 108 error = xfs_inobt_get_rec(cur, &rec, &has_rec); 109 if (error) 110 break; 111 if (!has_rec) { 112 error = -EFSCORRUPTED; 113 break; 114 } 115 116 /* Make sure that we always move forward. */ 117 if (lastino != NULLAGINO && 118 XFS_IS_CORRUPT(mp, lastino >= rec.ir_startino)) { 119 error = -EFSCORRUPTED; 120 break; 121 } 122 lastino = rec.ir_startino + XFS_INODES_PER_CHUNK - 1; 123 124 /* 125 * If this record only covers inodes that come before the 126 * cursor, advance to the next record. 127 */ 128 if (rec.ir_startino + XFS_INODES_PER_CHUNK <= agino) 129 continue; 130 131 /* 132 * If the incoming lookup put us in the middle of an inobt 133 * record, mark it and the previous inodes "free" so that the 134 * search for allocated inodes will start at the cursor. Use 135 * funny math to avoid overflowing the bit shift. 136 */ 137 if (agino >= rec.ir_startino) 138 xchk_iscan_adjust_start(agino + 1, &rec); 139 140 /* 141 * If there are allocated inodes in this chunk, find them, 142 * and update the cursor. 143 */ 144 if (rec.ir_freecount < XFS_INODES_PER_CHUNK) { 145 int next = xfs_lowbit64(~rec.ir_free); 146 147 *cursor = rec.ir_startino + next; 148 break; 149 } 150 } 151 152 xfs_btree_del_cursor(cur, error); 153 return error; 154 } 155
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