| /fs/btrfs/ |
| D | locking.c | 81 void btrfs_set_buffer_lockdep_class(u64 objectid, struct extent_buffer *eb, int level) in btrfs_set_buffer_lockdep_class() argument
92 lockdep_set_class_and_name(&eb->lock, &ks->keys[level], ks->names[level]); in btrfs_set_buffer_lockdep_class()
95 void btrfs_maybe_reset_lockdep_class(struct btrfs_root *root, struct extent_buffer *eb) in btrfs_maybe_reset_lockdep_class() argument
99 eb, btrfs_header_level(eb)); in btrfs_maybe_reset_lockdep_class()
128 void __btrfs_tree_read_lock(struct extent_buffer *eb, enum btrfs_lock_nesting nest) in __btrfs_tree_read_lock() argument
135 down_read_nested(&eb->lock, nest); in __btrfs_tree_read_lock()
136 trace_btrfs_tree_read_lock(eb, start_ns); in __btrfs_tree_read_lock()
139 void btrfs_tree_read_lock(struct extent_buffer *eb) in btrfs_tree_read_lock() argument
141 __btrfs_tree_read_lock(eb, BTRFS_NESTING_NORMAL); in btrfs_tree_read_lock()
149 int btrfs_try_tree_read_lock(struct extent_buffer *eb) in btrfs_try_tree_read_lock() argument
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| D | extent_io.c | 38 static inline void btrfs_leak_debug_add_eb(struct extent_buffer *eb) in btrfs_leak_debug_add_eb() argument
40 struct btrfs_fs_info *fs_info = eb->fs_info; in btrfs_leak_debug_add_eb()
44 list_add(&eb->leak_list, &fs_info->allocated_ebs); in btrfs_leak_debug_add_eb()
48 static inline void btrfs_leak_debug_del_eb(struct extent_buffer *eb) in btrfs_leak_debug_del_eb() argument
50 struct btrfs_fs_info *fs_info = eb->fs_info; in btrfs_leak_debug_del_eb()
54 list_del(&eb->leak_list); in btrfs_leak_debug_del_eb()
60 struct extent_buffer *eb; in btrfs_extent_buffer_leak_debug_check() local
73 eb = list_first_entry(&fs_info->allocated_ebs, in btrfs_extent_buffer_leak_debug_check()
77 eb->start, eb->len, atomic_read(&eb->refs), eb->bflags, in btrfs_extent_buffer_leak_debug_check()
78 btrfs_header_owner(eb)); in btrfs_extent_buffer_leak_debug_check()
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| D | tree-mod-log.c | 170 struct extent_buffer *eb) in tree_mod_dont_log() argument
174 if (eb && btrfs_header_level(eb) == 0) in tree_mod_dont_log()
188 struct extent_buffer *eb) in tree_mod_need_log() argument
192 if (eb && btrfs_header_level(eb) == 0) in tree_mod_need_log()
198 static struct tree_mod_elem *alloc_tree_mod_elem(struct extent_buffer *eb, in alloc_tree_mod_elem() argument
209 tm->logical = eb->start; in alloc_tree_mod_elem()
211 btrfs_node_key(eb, &tm->key, slot); in alloc_tree_mod_elem()
212 tm->blockptr = btrfs_node_blockptr(eb, slot); in alloc_tree_mod_elem()
216 tm->generation = btrfs_node_ptr_generation(eb, slot); in alloc_tree_mod_elem()
222 int btrfs_tree_mod_log_insert_key(struct extent_buffer *eb, int slot, in btrfs_tree_mod_log_insert_key() argument
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| D | print-tree.c | 49 static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk) in print_chunk() argument
51 int num_stripes = btrfs_chunk_num_stripes(eb, chunk); in print_chunk()
54 btrfs_chunk_length(eb, chunk), btrfs_chunk_owner(eb, chunk), in print_chunk()
55 btrfs_chunk_type(eb, chunk), num_stripes); in print_chunk()
58 btrfs_stripe_devid_nr(eb, chunk, i), in print_chunk()
59 btrfs_stripe_offset_nr(eb, chunk, i)); in print_chunk()
62 static void print_dev_item(struct extent_buffer *eb, in print_dev_item() argument
66 btrfs_device_id(eb, dev_item), in print_dev_item()
67 btrfs_device_total_bytes(eb, dev_item), in print_dev_item()
68 btrfs_device_bytes_used(eb, dev_item)); in print_dev_item()
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| D | locking.h | 86 void __btrfs_tree_lock(struct extent_buffer *eb, enum btrfs_lock_nesting nest);
87 void btrfs_tree_lock(struct extent_buffer *eb);
88 void btrfs_tree_unlock(struct extent_buffer *eb);
90 void __btrfs_tree_read_lock(struct extent_buffer *eb, enum btrfs_lock_nesting nest);
91 void btrfs_tree_read_lock(struct extent_buffer *eb);
92 void btrfs_tree_read_unlock(struct extent_buffer *eb);
93 int btrfs_try_tree_read_lock(struct extent_buffer *eb);
94 int btrfs_try_tree_write_lock(struct extent_buffer *eb);
100 static inline void btrfs_assert_tree_write_locked(struct extent_buffer *eb) in btrfs_assert_tree_write_locked() argument
102 lockdep_assert_held_write(&eb->lock); in btrfs_assert_tree_write_locked()
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| D | struct-funcs.c | 10 static bool check_setget_bounds(const struct extent_buffer *eb, in check_setget_bounds() argument
15 if (unlikely(member_offset + size > eb->len)) { in check_setget_bounds()
16 btrfs_warn(eb->fs_info, in check_setget_bounds()
18 (member_offset > eb->len ? "start" : "end"), in check_setget_bounds()
19 (unsigned long)ptr, eb->start, member_offset, size); in check_setget_bounds()
56 const unsigned long oip = get_eb_offset_in_page(token->eb, \
64 ASSERT(check_setget_bounds(token->eb, ptr, off, size)); \
69 token->kaddr = page_address(token->eb->pages[idx]); \
75 token->kaddr = page_address(token->eb->pages[idx + 1]); \
80 u##bits btrfs_get_##bits(const struct extent_buffer *eb, \
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| D | extent_io.h | 172 void free_extent_buffer(struct extent_buffer *eb);
173 void free_extent_buffer_stale(struct extent_buffer *eb);
177 int read_extent_buffer_pages(struct extent_buffer *eb, int wait,
179 void wait_on_extent_buffer_writeback(struct extent_buffer *eb);
184 static inline int num_extent_pages(const struct extent_buffer *eb) in num_extent_pages() argument
193 return (eb->len >> PAGE_SHIFT) ?: 1; in num_extent_pages()
196 static inline int extent_buffer_uptodate(const struct extent_buffer *eb) in extent_buffer_uptodate() argument
198 return test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags); in extent_buffer_uptodate()
201 int memcmp_extent_buffer(const struct extent_buffer *eb, const void *ptrv,
203 void read_extent_buffer(const struct extent_buffer *eb, void *dst,
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| D | uuid-tree.c | 27 struct extent_buffer *eb; in btrfs_uuid_tree_lookup() local
53 eb = path->nodes[0]; in btrfs_uuid_tree_lookup()
55 item_size = btrfs_item_size(eb, slot); in btrfs_uuid_tree_lookup()
56 offset = btrfs_item_ptr_offset(eb, slot); in btrfs_uuid_tree_lookup()
68 read_extent_buffer(eb, &data, offset, sizeof(data)); in btrfs_uuid_tree_lookup()
90 struct extent_buffer *eb; in btrfs_uuid_tree_add() local
116 eb = path->nodes[0]; in btrfs_uuid_tree_add()
118 offset = btrfs_item_ptr_offset(eb, slot); in btrfs_uuid_tree_add()
125 eb = path->nodes[0]; in btrfs_uuid_tree_add()
127 offset = btrfs_item_ptr_offset(eb, slot); in btrfs_uuid_tree_add()
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| D | backref.c | 29 const struct extent_buffer *eb, in check_extent_in_eb() argument
39 !btrfs_file_extent_compression(eb, fi) && in check_extent_in_eb()
40 !btrfs_file_extent_encryption(eb, fi) && in check_extent_in_eb()
41 !btrfs_file_extent_other_encoding(eb, fi)) { in check_extent_in_eb()
45 data_offset = btrfs_file_extent_offset(eb, fi); in check_extent_in_eb()
46 data_len = btrfs_file_extent_num_bytes(eb, fi); in check_extent_in_eb()
76 static int find_extent_in_eb(const struct extent_buffer *eb, in find_extent_in_eb() argument
94 nritems = btrfs_header_nritems(eb); in find_extent_in_eb()
96 btrfs_item_key_to_cpu(eb, &key, slot); in find_extent_in_eb()
99 fi = btrfs_item_ptr(eb, slot, struct btrfs_file_extent_item); in find_extent_in_eb()
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| D | ctree.h | 1731 struct extent_buffer *eb; member
1740 struct extent_buffer *eb) in btrfs_init_map_token() argument
1742 token->eb = eb; in btrfs_init_map_token()
1743 token->kaddr = page_address(eb->pages[0]); in btrfs_init_map_token()
1765 #define read_eb_member(eb, ptr, type, member, result) (\ argument
1766 read_extent_buffer(eb, (char *)(result), \
1771 #define write_eb_member(eb, ptr, type, member, result) (\ argument
1772 write_extent_buffer(eb, (char *)(result), \
1783 u##bits btrfs_get_##bits(const struct extent_buffer *eb, \
1785 void btrfs_set_##bits(const struct extent_buffer *eb, void *ptr, \
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| D | disk-io.c | 122 struct extent_buffer *eb, u64 parent_transid, in verify_parent_transid() argument
128 if (!parent_transid || btrfs_header_generation(eb) == parent_transid) in verify_parent_transid()
134 lock_extent(io_tree, eb->start, eb->start + eb->len - 1, &cached_state); in verify_parent_transid()
135 if (extent_buffer_uptodate(eb) && in verify_parent_transid()
136 btrfs_header_generation(eb) == parent_transid) { in verify_parent_transid()
140 btrfs_err_rl(eb->fs_info, in verify_parent_transid()
142 eb->start, eb->read_mirror, in verify_parent_transid()
143 parent_transid, btrfs_header_generation(eb)); in verify_parent_transid()
145 clear_extent_buffer_uptodate(eb); in verify_parent_transid()
147 unlock_extent(io_tree, eb->start, eb->start + eb->len - 1, in verify_parent_transid()
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| D | relocation.c | 737 struct extent_buffer *eb; in create_reloc_root() local
755 ret = btrfs_copy_root(trans, root, root->commit_root, &eb, in create_reloc_root()
778 ret = btrfs_copy_root(trans, root, root->node, &eb, in create_reloc_root()
791 btrfs_set_root_bytenr(root_item, eb->start); in create_reloc_root()
792 btrfs_set_root_level(root_item, btrfs_header_level(eb)); in create_reloc_root()
802 btrfs_tree_unlock(eb); in create_reloc_root()
803 free_extent_buffer(eb); in create_reloc_root()
1178 int memcmp_node_keys(struct extent_buffer *eb, int slot, in memcmp_node_keys() argument
1183 btrfs_node_key(eb, &key1, slot); in memcmp_node_keys()
1204 struct extent_buffer *eb; in replace_path() local
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| D | tree-checker.c | 51 static void generic_err(const struct extent_buffer *eb, int slot, in generic_err() argument
54 const struct btrfs_fs_info *fs_info = eb->fs_info; in generic_err()
65 btrfs_header_level(eb) == 0 ? "leaf" : "node", in generic_err()
66 btrfs_header_owner(eb), btrfs_header_bytenr(eb), slot, &vaf); in generic_err()
76 static void file_extent_err(const struct extent_buffer *eb, int slot, in file_extent_err() argument
79 const struct btrfs_fs_info *fs_info = eb->fs_info; in file_extent_err()
84 btrfs_item_key_to_cpu(eb, &key, slot); in file_extent_err()
92 btrfs_header_level(eb) == 0 ? "leaf" : "node", in file_extent_err()
93 btrfs_header_owner(eb), btrfs_header_bytenr(eb), slot, in file_extent_err()
136 static void dir_item_err(const struct extent_buffer *eb, int slot, in dir_item_err() argument
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| D | dev-replace.c | 77 struct extent_buffer *eb; in btrfs_init_dev_replace() local
130 eb = path->nodes[0]; in btrfs_init_dev_replace()
131 item_size = btrfs_item_size(eb, slot); in btrfs_init_dev_replace()
132 ptr = btrfs_item_ptr(eb, slot, struct btrfs_dev_replace_item); in btrfs_init_dev_replace()
140 src_devid = btrfs_dev_replace_src_devid(eb, ptr); in btrfs_init_dev_replace()
142 btrfs_dev_replace_cont_reading_from_srcdev_mode(eb, ptr); in btrfs_init_dev_replace()
143 dev_replace->replace_state = btrfs_dev_replace_replace_state(eb, ptr); in btrfs_init_dev_replace()
144 dev_replace->time_started = btrfs_dev_replace_time_started(eb, ptr); in btrfs_init_dev_replace()
146 btrfs_dev_replace_time_stopped(eb, ptr); in btrfs_init_dev_replace()
148 btrfs_dev_replace_num_write_errors(eb, ptr)); in btrfs_init_dev_replace()
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| D | tree-log.c | 317 int (*process_func)(struct btrfs_root *log, struct extent_buffer *eb,
325 struct extent_buffer *eb, in process_one_buffer() argument
336 ret = btrfs_read_extent_buffer(eb, gen, level, NULL); in process_one_buffer()
342 ret = btrfs_pin_extent_for_log_replay(wc->trans, eb->start, in process_one_buffer()
343 eb->len); in process_one_buffer()
347 if (btrfs_buffer_uptodate(eb, gen, 0) && in process_one_buffer()
348 btrfs_header_level(eb) == 0) in process_one_buffer()
349 ret = btrfs_exclude_logged_extents(eb); in process_one_buffer()
357 struct extent_buffer *eb, int slot, in do_overwrite_item() argument
372 item_size = btrfs_item_size(eb, slot); in do_overwrite_item()
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| D | zoned.c | 1588 struct extent_buffer *eb) in btrfs_redirty_list_add() argument
1590 struct btrfs_fs_info *fs_info = eb->fs_info; in btrfs_redirty_list_add()
1593 btrfs_header_flag(eb, BTRFS_HEADER_FLAG_WRITTEN) || in btrfs_redirty_list_add()
1594 !list_empty(&eb->release_list)) in btrfs_redirty_list_add()
1597 memzero_extent_buffer(eb, 0, eb->len); in btrfs_redirty_list_add()
1598 set_bit(EXTENT_BUFFER_NO_CHECK, &eb->bflags); in btrfs_redirty_list_add()
1599 set_extent_buffer_dirty(eb); in btrfs_redirty_list_add()
1600 set_extent_bits_nowait(&trans->dirty_pages, eb->start, in btrfs_redirty_list_add()
1601 eb->start + eb->len - 1, EXTENT_DIRTY); in btrfs_redirty_list_add()
1604 list_add_tail(&eb->release_list, &trans->releasing_ebs); in btrfs_redirty_list_add()
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| D | tree-mod-log.h | 34 int btrfs_tree_mod_log_insert_key(struct extent_buffer *eb, int slot,
36 int btrfs_tree_mod_log_free_eb(struct extent_buffer *eb);
39 struct extent_buffer *eb,
48 int btrfs_tree_mod_log_insert_move(struct extent_buffer *eb,
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| D | zoned.h | 56 struct extent_buffer *eb);
63 struct extent_buffer *eb,
66 struct extent_buffer *eb);
78 struct extent_buffer *eb);
184 struct extent_buffer *eb) { } in btrfs_redirty_list_add() argument
201 struct extent_buffer *eb, in btrfs_check_meta_write_pointer() argument
209 struct extent_buffer *eb) in btrfs_revert_meta_write_pointer() argument
253 struct extent_buffer *eb) { } in btrfs_schedule_zone_finish_bg() argument
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| D | backref.h | 42 int tree_backref_for_extent(unsigned long *ptr, struct extent_buffer *eb,
201 struct extent_buffer *eb; member
318 ASSERT(node->eb == NULL); in btrfs_backref_free_node()
338 btrfs_tree_unlock(node->eb); in btrfs_backref_unlock_node_buffer()
346 if (node->eb) { in btrfs_backref_drop_node_buffer()
348 free_extent_buffer(node->eb); in btrfs_backref_drop_node_buffer()
349 node->eb = NULL; in btrfs_backref_drop_node_buffer()
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| D | qgroup.c | 1901 struct extent_buffer *eb) in btrfs_qgroup_trace_leaf_items() argument
1904 int nr = btrfs_header_nritems(eb); in btrfs_qgroup_trace_leaf_items()
1915 btrfs_item_key_to_cpu(eb, &key, i); in btrfs_qgroup_trace_leaf_items()
1920 fi = btrfs_item_ptr(eb, i, struct btrfs_file_extent_item); in btrfs_qgroup_trace_leaf_items()
1922 extent_type = btrfs_file_extent_type(eb, fi); in btrfs_qgroup_trace_leaf_items()
1927 bytenr = btrfs_file_extent_disk_bytenr(eb, fi); in btrfs_qgroup_trace_leaf_items()
1931 num_bytes = btrfs_file_extent_disk_num_bytes(eb, fi); in btrfs_qgroup_trace_leaf_items()
1960 struct extent_buffer *eb; in adjust_slots_upwards() local
1966 eb = path->nodes[level]; in adjust_slots_upwards()
1967 nr = btrfs_header_nritems(eb); in adjust_slots_upwards()
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| /fs/btrfs/tests/ |
| D | extent-buffer-tests.c | 17 struct extent_buffer *eb; in test_btrfs_split_item() local
50 eb = alloc_dummy_extent_buffer(fs_info, nodesize); in test_btrfs_split_item()
51 path->nodes[0] = eb; in test_btrfs_split_item()
52 if (!eb) { in test_btrfs_split_item()
64 write_extent_buffer(eb, value, btrfs_item_ptr_offset(eb, 0), in test_btrfs_split_item()
84 btrfs_item_key_to_cpu(eb, &key, 0); in test_btrfs_split_item()
92 if (btrfs_item_size(eb, 0) != strlen(split1)) { in test_btrfs_split_item()
98 read_extent_buffer(eb, buf, btrfs_item_ptr_offset(eb, 0), in test_btrfs_split_item()
108 btrfs_item_key_to_cpu(eb, &key, 1); in test_btrfs_split_item()
116 if (btrfs_item_size(eb, 1) != strlen(split2)) { in test_btrfs_split_item()
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| D | extent-io-tests.c | 322 static int check_eb_bitmap(unsigned long *bitmap, struct extent_buffer *eb, in check_eb_bitmap() argument
331 bit1 = !!extent_buffer_test_bit(eb, 0, i); in check_eb_bitmap()
337 bit1 = !!extent_buffer_test_bit(eb, i / BITS_PER_BYTE, in check_eb_bitmap()
347 static int __test_eb_bitmaps(unsigned long *bitmap, struct extent_buffer *eb, in __test_eb_bitmaps() argument
355 memzero_extent_buffer(eb, 0, len); in __test_eb_bitmaps()
356 if (memcmp_extent_buffer(eb, bitmap, 0, len) != 0) { in __test_eb_bitmaps()
362 extent_buffer_bitmap_set(eb, 0, 0, len * BITS_PER_BYTE); in __test_eb_bitmaps()
363 ret = check_eb_bitmap(bitmap, eb, len); in __test_eb_bitmaps()
370 extent_buffer_bitmap_clear(eb, 0, 0, len * BITS_PER_BYTE); in __test_eb_bitmaps()
371 ret = check_eb_bitmap(bitmap, eb, len); in __test_eb_bitmaps()
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| D | btrfs-tests.c | 169 struct extent_buffer *eb; in btrfs_free_dummy_fs_info() local
171 eb = radix_tree_deref_slot_protected(slot, &fs_info->buffer_lock); in btrfs_free_dummy_fs_info()
172 if (!eb) in btrfs_free_dummy_fs_info()
175 if (radix_tree_exception(eb)) { in btrfs_free_dummy_fs_info()
176 if (radix_tree_deref_retry(eb)) in btrfs_free_dummy_fs_info()
182 free_extent_buffer_stale(eb); in btrfs_free_dummy_fs_info()
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| /fs/ocfs2/ |
| D | alloc.c | 563 struct ocfs2_extent_block *eb);
666 struct ocfs2_extent_block *eb = (struct ocfs2_extent_block *)eb_bh->b_data; in ocfs2_path_insert_eb() local
677 path->p_node[index].el = &eb->h_list; in ocfs2_path_insert_eb()
880 struct ocfs2_extent_block *eb = in ocfs2_validate_extent_block() local
892 rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &eb->h_check); in ocfs2_validate_extent_block()
903 if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { in ocfs2_validate_extent_block()
907 eb->h_signature); in ocfs2_validate_extent_block()
911 if (le64_to_cpu(eb->h_blkno) != bh->b_blocknr) { in ocfs2_validate_extent_block()
915 (unsigned long long)le64_to_cpu(eb->h_blkno)); in ocfs2_validate_extent_block()
919 if (le32_to_cpu(eb->h_fs_generation) != OCFS2_SB(sb)->fs_generation) in ocfs2_validate_extent_block()
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| D | extent_map.c | 280 struct ocfs2_extent_block *eb; in ocfs2_last_eb_is_empty() local
289 eb = (struct ocfs2_extent_block *) eb_bh->b_data; in ocfs2_last_eb_is_empty()
290 el = &eb->h_list; in ocfs2_last_eb_is_empty()
351 struct ocfs2_extent_block *eb, *next_eb; in ocfs2_figure_hole_clusters() local
356 eb = (struct ocfs2_extent_block *)eb_bh->b_data; in ocfs2_figure_hole_clusters()
362 if (le64_to_cpu(eb->h_next_leaf_blk) == 0ULL) in ocfs2_figure_hole_clusters()
366 le64_to_cpu(eb->h_next_leaf_blk), in ocfs2_figure_hole_clusters()
404 struct ocfs2_extent_block *eb; in ocfs2_get_clusters_nocache() local
425 eb = (struct ocfs2_extent_block *) eb_bh->b_data; in ocfs2_get_clusters_nocache()
426 el = &eb->h_list; in ocfs2_get_clusters_nocache()
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