tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 2dac75696c6da3c848daa118a729827541c89d33 commit: 68d1c81e582aac9ad93ff6c663a0b5af7c5777b2 [3892/13299] bcachefs: Split out snapshot.c config: csky-allmodconfig (https://download.01.org/0day-ci/archive/20231019/202310190116.5JjceoZJ-lkp@xxxxxxxxx/config) compiler: csky-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231019/202310190116.5JjceoZJ-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202310190116.5JjceoZJ-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): fs/bcachefs/bcachefs_format.h:868:14: warning: 'INODE_STR_HASH_OFFSET' defined but not used [-Wunused-const-variable=] 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:868:1: note: in expansion of macro 'LE32_BITMASK' 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:678:14: warning: 'BTREE_PTR_RANGE_UPDATED_MAX' defined but not used [-Wunused-const-variable=] 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:103:25: note: in definition of macro 'LE_BITMASK' 103 | static const __u##_bits name##_MAX = (1ULL << (end - offset)) - 1; \ | ^~~~ fs/bcachefs/bcachefs_format.h:678:1: note: in expansion of macro 'LE16_BITMASK' 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:678:14: warning: 'BTREE_PTR_RANGE_UPDATED_BITS' defined but not used [-Wunused-const-variable=] 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:102:25: note: in definition of macro 'LE_BITMASK' 102 | static const unsigned name##_BITS = (end - offset); \ | ^~~~ fs/bcachefs/bcachefs_format.h:678:1: note: in expansion of macro 'LE16_BITMASK' 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:678:14: warning: 'BTREE_PTR_RANGE_UPDATED_OFFSET' defined but not used [-Wunused-const-variable=] 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:678:1: note: in expansion of macro 'LE16_BITMASK' 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~ In file included from fs/bcachefs/btree_trans_commit.c:9: In function 'want_new_bset', inlined from 'bch2_btree_node_prep_for_write' at fs/bcachefs/btree_trans_commit.c:77:6: fs/bcachefs/btree_update_interior.h:274:50: warning: array subscript 0 is outside array bounds of 'struct bkey_packed[0]' [-Warray-bounds=] 274 | __bch_btree_u64s_remaining(c, b, &bne->keys.start[0]); | ^~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h: In function 'bch2_btree_node_prep_for_write': fs/bcachefs/bcachefs_format.h:2297:36: note: while referencing 'start' 2297 | struct bkey_packed start[0]; | ^~~~~ In file included from include/linux/build_bug.h:5, from include/linux/container_of.h:5, from include/linux/list.h:5, from include/linux/backing-dev-defs.h:5, from fs/bcachefs/bcachefs.h:186: fs/bcachefs/btree_trans_commit.c: In function 'bch2_trans_commit_write_locked.isra': fs/bcachefs/btree_trans_commit.c:703:35: warning: array subscript 0 is outside array bounds of 'struct bkey_i[0]' [-Warray-bounds=] 703 | bkey_copy(&entry->start[0], &wb->k); include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ fs/bcachefs/util.h:28:33: note: in expansion of macro 'BUG_ON' 28 | #define EBUG_ON(cond) BUG_ON(cond) | ^~~~~~ fs/bcachefs/bkey.h:101:9: note: in expansion of macro 'EBUG_ON' 101 | EBUG_ON((u64 *) (_dst) > (u64 *) (_src) && \ | ^~~~~~~ fs/bcachefs/btree_trans_commit.c:703:25: note: in expansion of macro 'bkey_copy' 703 | bkey_copy(&entry->start[0], &wb->k); | ^~~~~~~~~ fs/bcachefs/bcachefs_format.h:1542:33: note: while referencing 'start' 1542 | struct bkey_i start[0]; | ^~~~~ fs/bcachefs/btree_trans_commit.c:687:33: warning: array subscript 0 is outside array bounds of 'struct bkey_i[0]' [-Warray-bounds=] 687 | bkey_reassemble(&entry->start[0], | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 688 | (struct bkey_s_c) { &i->old_k, i->old_v }); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:1542:33: note: while referencing 'start' 1542 | struct bkey_i start[0]; | ^~~~~ fs/bcachefs/btree_trans_commit.c:695:35: warning: array subscript 0 is outside array bounds of 'struct bkey_i[0]' [-Warray-bounds=] 695 | bkey_copy(&entry->start[0], i->k); include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ fs/bcachefs/util.h:28:33: note: in expansion of macro 'BUG_ON' 28 | #define EBUG_ON(cond) BUG_ON(cond) | ^~~~~~ fs/bcachefs/bkey.h:101:9: note: in expansion of macro 'EBUG_ON' 101 | EBUG_ON((u64 *) (_dst) > (u64 *) (_src) && \ | ^~~~~~~ fs/bcachefs/btree_trans_commit.c:695:25: note: in expansion of macro 'bkey_copy' 695 | bkey_copy(&entry->start[0], i->k); | ^~~~~~~~~ fs/bcachefs/bcachefs_format.h:1542:33: note: while referencing 'start' 1542 | struct bkey_i start[0]; | ^~~~~ In file included from fs/bcachefs/btree_trans_commit.c:17: In function '__snapshot_t', inlined from 'snapshot_t' at fs/bcachefs/snapshot.h:41:9, inlined from 'bch2_snapshot_is_internal_node' at fs/bcachefs/snapshot.h:142:6, inlined from 'btree_insert_entry_checks' at fs/bcachefs/btree_trans_commit.c:268:2, inlined from 'do_bch2_trans_commit.isra' at fs/bcachefs/btree_trans_commit.c:831:3: >> fs/bcachefs/snapshot.h:36:21: warning: array subscript <unknown> is outside array bounds of 'struct snapshot_t[0]' [-Warray-bounds=] 36 | return &t->s[U32_MAX - id]; | ~~~~^~~~~~~~~~~~~~ In file included from fs/bcachefs/bcachefs.h:419: fs/bcachefs/subvolume_types.h: In function 'do_bch2_trans_commit.isra': fs/bcachefs/subvolume_types.h:23:33: note: while referencing 's' 23 | struct snapshot_t s[0]; | ^ -- fs/bcachefs/bcachefs_format.h:870:1: note: in expansion of macro 'LE32_BITMASK' 870 | LE32_BITMASK(INODE_NEW_VARINT, struct bch_inode, bi_flags, 31, 32); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:869:14: warning: 'INODE_NR_FIELDS_MAX' defined but not used [-Wunused-const-variable=] 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:103:25: note: in definition of macro 'LE_BITMASK' 103 | static const __u##_bits name##_MAX = (1ULL << (end - offset)) - 1; \ | ^~~~ fs/bcachefs/bcachefs_format.h:869:1: note: in expansion of macro 'LE32_BITMASK' 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:869:14: warning: 'INODE_NR_FIELDS_BITS' defined but not used [-Wunused-const-variable=] 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:102:25: note: in definition of macro 'LE_BITMASK' 102 | static const unsigned name##_BITS = (end - offset); \ | ^~~~ fs/bcachefs/bcachefs_format.h:869:1: note: in expansion of macro 'LE32_BITMASK' 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:869:14: warning: 'INODE_NR_FIELDS_OFFSET' defined but not used [-Wunused-const-variable=] 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:869:1: note: in expansion of macro 'LE32_BITMASK' 869 | LE32_BITMASK(INODE_NR_FIELDS, struct bch_inode, bi_flags, 24, 31); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:868:14: warning: 'INODE_STR_HASH_MAX' defined but not used [-Wunused-const-variable=] 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:103:25: note: in definition of macro 'LE_BITMASK' 103 | static const __u##_bits name##_MAX = (1ULL << (end - offset)) - 1; \ | ^~~~ fs/bcachefs/bcachefs_format.h:868:1: note: in expansion of macro 'LE32_BITMASK' 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:868:14: warning: 'INODE_STR_HASH_BITS' defined but not used [-Wunused-const-variable=] 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:102:25: note: in definition of macro 'LE_BITMASK' 102 | static const unsigned name##_BITS = (end - offset); \ | ^~~~ fs/bcachefs/bcachefs_format.h:868:1: note: in expansion of macro 'LE32_BITMASK' 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:868:14: warning: 'INODE_STR_HASH_OFFSET' defined but not used [-Wunused-const-variable=] 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:868:1: note: in expansion of macro 'LE32_BITMASK' 868 | LE32_BITMASK(INODE_STR_HASH, struct bch_inode, bi_flags, 20, 24); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:678:14: warning: 'BTREE_PTR_RANGE_UPDATED_MAX' defined but not used [-Wunused-const-variable=] 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:103:25: note: in definition of macro 'LE_BITMASK' 103 | static const __u##_bits name##_MAX = (1ULL << (end - offset)) - 1; \ | ^~~~ fs/bcachefs/bcachefs_format.h:678:1: note: in expansion of macro 'LE16_BITMASK' 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:678:14: warning: 'BTREE_PTR_RANGE_UPDATED_BITS' defined but not used [-Wunused-const-variable=] 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:102:25: note: in definition of macro 'LE_BITMASK' 102 | static const unsigned name##_BITS = (end - offset); \ | ^~~~ fs/bcachefs/bcachefs_format.h:678:1: note: in expansion of macro 'LE16_BITMASK' 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:678:14: warning: 'BTREE_PTR_RANGE_UPDATED_OFFSET' defined but not used [-Wunused-const-variable=] 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~~~~~~~~~~~~ fs/bcachefs/bcachefs_format.h:101:25: note: in definition of macro 'LE_BITMASK' 101 | static const unsigned name##_OFFSET = offset; \ | ^~~~ fs/bcachefs/bcachefs_format.h:678:1: note: in expansion of macro 'LE16_BITMASK' 678 | LE16_BITMASK(BTREE_PTR_RANGE_UPDATED, struct bch_btree_ptr_v2, flags, 0, 1); | ^~~~~~~~~~~~ In file included from fs/bcachefs/btree_update.c:14: In function '__snapshot_t', inlined from 'snapshot_t' at fs/bcachefs/snapshot.h:41:9: fs/bcachefs/snapshot.h:36:16: warning: array subscript <unknown> is outside array bounds of 'struct snapshot_t[0]' [-Warray-bounds=] 36 | return &t->s[U32_MAX - id]; | ^~~~~~~~~~~~~~~~~~~ In file included from fs/bcachefs/bcachefs.h:419: fs/bcachefs/subvolume_types.h: In function 'snapshot_t': fs/bcachefs/subvolume_types.h:23:33: note: while referencing 's' 23 | struct snapshot_t s[0]; | ^ In function '__snapshot_t', inlined from 'snapshot_t' at fs/bcachefs/snapshot.h:41:9, inlined from '__bch2_snapshot_parent' at fs/bcachefs/snapshot.h:70:15, inlined from 'bch2_snapshot_parent' at fs/bcachefs/snapshot.h:87:7, inlined from 'need_whiteout_for_snapshot' at fs/bcachefs/btree_update.c:140:7: >> fs/bcachefs/snapshot.h:36:21: warning: array subscript <unknown> is outside array bounds of 'struct snapshot_t[0]' [-Warray-bounds=] 36 | return &t->s[U32_MAX - id]; | ~~~~^~~~~~~~~~~~~~ fs/bcachefs/subvolume_types.h: In function 'need_whiteout_for_snapshot': fs/bcachefs/subvolume_types.h:23:33: note: while referencing 's' 23 | struct snapshot_t s[0]; | ^ In function '__snapshot_t', inlined from 'snapshot_t' at fs/bcachefs/snapshot.h:41:9, inlined from '__bch2_snapshot_parent' at fs/bcachefs/snapshot.h:73:6, inlined from 'bch2_snapshot_parent' at fs/bcachefs/snapshot.h:87:7, inlined from 'need_whiteout_for_snapshot' at fs/bcachefs/btree_update.c:140:7: >> fs/bcachefs/snapshot.h:36:21: warning: array subscript <unknown> is outside array bounds of 'struct snapshot_t[0]' [-Warray-bounds=] 36 | return &t->s[U32_MAX - id]; | ~~~~^~~~~~~~~~~~~~ fs/bcachefs/subvolume_types.h: In function 'need_whiteout_for_snapshot': fs/bcachefs/subvolume_types.h:23:33: note: while referencing 's' 23 | struct snapshot_t s[0]; | ^ In function '__snapshot_t', inlined from 'snapshot_t' at fs/bcachefs/snapshot.h:41:9, inlined from '__bch2_snapshot_parent' at fs/bcachefs/snapshot.h:73:34, inlined from 'bch2_snapshot_parent' at fs/bcachefs/snapshot.h:87:7, inlined from 'need_whiteout_for_snapshot' at fs/bcachefs/btree_update.c:140:7: >> fs/bcachefs/snapshot.h:36:21: warning: array subscript <unknown> is outside array bounds of 'struct snapshot_t[0]' [-Warray-bounds=] 36 | return &t->s[U32_MAX - id]; | ~~~~^~~~~~~~~~~~~~ fs/bcachefs/subvolume_types.h: In function 'need_whiteout_for_snapshot': fs/bcachefs/subvolume_types.h:23:33: note: while referencing 's' 23 | struct snapshot_t s[0]; | ^ In function '__snapshot_t', inlined from 'snapshot_t' at fs/bcachefs/snapshot.h:41:9, inlined from 'bch2_snapshot_is_internal_node' at fs/bcachefs/snapshot.h:142:6, inlined from 'bch2_snapshot_is_leaf' at fs/bcachefs/snapshot.h:151:10, inlined from 'check_pos_snapshot_overwritten' at fs/bcachefs/btree_update.c:70:6, inlined from 'extent_back_merge' at fs/bcachefs/btree_update.c:117:10: >> fs/bcachefs/snapshot.h:36:21: warning: array subscript <unknown> is outside array bounds of 'struct snapshot_t[0]' [-Warray-bounds=] 36 | return &t->s[U32_MAX - id]; | ~~~~^~~~~~~~~~~~~~ fs/bcachefs/subvolume_types.h: In function 'extent_back_merge': fs/bcachefs/subvolume_types.h:23:33: note: while referencing 's' 23 | struct snapshot_t s[0]; | ^ In function '__snapshot_t', inlined from 'snapshot_t' at fs/bcachefs/snapshot.h:41:9, inlined from 'bch2_snapshot_is_internal_node' at fs/bcachefs/snapshot.h:142:6, inlined from 'bch2_snapshot_is_leaf' at fs/bcachefs/snapshot.h:151:10, inlined from 'check_pos_snapshot_overwritten' at fs/bcachefs/btree_update.c:70:6, inlined from 'extent_back_merge' at fs/bcachefs/btree_update.c:118:3: >> fs/bcachefs/snapshot.h:36:21: warning: array subscript <unknown> is outside array bounds of 'struct snapshot_t[0]' [-Warray-bounds=] 36 | return &t->s[U32_MAX - id]; | ~~~~^~~~~~~~~~~~~~ fs/bcachefs/subvolume_types.h: In function 'extent_back_merge': fs/bcachefs/subvolume_types.h:23:33: note: while referencing 's' 23 | struct snapshot_t s[0]; | ^ In function '__snapshot_t', inlined from 'snapshot_t' at fs/bcachefs/snapshot.h:41:9, inlined from 'bch2_snapshot_is_internal_node' at fs/bcachefs/snapshot.h:142:6, inlined from 'bch2_snapshot_is_leaf' at fs/bcachefs/snapshot.h:151:10, inlined from 'check_pos_snapshot_overwritten' at fs/bcachefs/btree_update.c:70:6, inlined from 'extent_front_merge' at fs/bcachefs/btree_update.c:94:10: >> fs/bcachefs/snapshot.h:36:21: warning: array subscript <unknown> is outside array bounds of 'struct snapshot_t[0]' [-Warray-bounds=] 36 | return &t->s[U32_MAX - id]; | ~~~~^~~~~~~~~~~~~~ fs/bcachefs/subvolume_types.h: In function 'extent_front_merge': fs/bcachefs/subvolume_types.h:23:33: note: while referencing 's' 23 | struct snapshot_t s[0]; | ^ In function '__snapshot_t', inlined from 'snapshot_t' at fs/bcachefs/snapshot.h:41:9, inlined from 'bch2_snapshot_is_internal_node' at fs/bcachefs/snapshot.h:142:6, inlined from 'bch2_snapshot_is_leaf' at fs/bcachefs/snapshot.h:151:10, inlined from 'check_pos_snapshot_overwritten' at fs/bcachefs/btree_update.c:70:6, inlined from 'extent_front_merge' at fs/bcachefs/btree_update.c:95:3: >> fs/bcachefs/snapshot.h:36:21: warning: array subscript <unknown> is outside array bounds of 'struct snapshot_t[0]' [-Warray-bounds=] 36 | return &t->s[U32_MAX - id]; | ~~~~^~~~~~~~~~~~~~ fs/bcachefs/subvolume_types.h: In function 'extent_front_merge': fs/bcachefs/subvolume_types.h:23:33: note: while referencing 's' 23 | struct snapshot_t s[0]; | ^ In function '__snapshot_t', inlined from 'snapshot_t' at fs/bcachefs/snapshot.h:41:9, inlined from 'bch2_snapshot_has_children' at fs/bcachefs/snapshot.h:196:6, inlined from '__bch2_insert_snapshot_whiteouts' at fs/bcachefs/btree_update.c:174:7: >> fs/bcachefs/snapshot.h:36:21: warning: array subscript <unknown> is outside array bounds of 'struct snapshot_t[0]' [-Warray-bounds=] 36 | return &t->s[U32_MAX - id]; | ~~~~^~~~~~~~~~~~~~ fs/bcachefs/subvolume_types.h: In function '__bch2_insert_snapshot_whiteouts': fs/bcachefs/subvolume_types.h:23:33: note: while referencing 's' 23 | struct snapshot_t s[0]; | ^ In function '__snapshot_t', inlined from 'snapshot_t' at fs/bcachefs/snapshot.h:41:9, inlined from 'bch2_snapshot_has_children' at fs/bcachefs/snapshot.h:196:6, inlined from '__bch2_insert_snapshot_whiteouts' at fs/bcachefs/btree_update.c:174:7: >> fs/bcachefs/snapshot.h:36:21: warning: array subscript <unknown> is outside array bounds of 'struct snapshot_t[0]' [-Warray-bounds=] 36 | return &t->s[U32_MAX - id]; | ~~~~^~~~~~~~~~~~~~ fs/bcachefs/subvolume_types.h: In function '__bch2_insert_snapshot_whiteouts': fs/bcachefs/subvolume_types.h:23:33: note: while referencing 's' 23 | struct snapshot_t s[0]; | ^ .. vim +36 fs/bcachefs/snapshot.h 33 34 static inline struct snapshot_t *__snapshot_t(struct snapshot_table *t, u32 id) 35 { > 36 return &t->s[U32_MAX - id]; 37 } 38 39 static inline const struct snapshot_t *snapshot_t(struct bch_fs *c, u32 id) 40 { > 41 return __snapshot_t(rcu_dereference(c->snapshots), id); 42 } 43 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
