| /fs/btrfs/ |
| D | locking.c | 27 static void btrfs_assert_tree_read_locked(struct extent_buffer *eb);
34 void btrfs_set_lock_blocking_rw(struct extent_buffer *eb, int rw) in btrfs_set_lock_blocking_rw() argument
42 if (eb->lock_nested && current->pid == eb->lock_owner) in btrfs_set_lock_blocking_rw()
45 if (atomic_read(&eb->blocking_writers) == 0) { in btrfs_set_lock_blocking_rw()
46 WARN_ON(atomic_read(&eb->spinning_writers) != 1); in btrfs_set_lock_blocking_rw()
47 atomic_dec(&eb->spinning_writers); in btrfs_set_lock_blocking_rw()
48 btrfs_assert_tree_locked(eb); in btrfs_set_lock_blocking_rw()
49 atomic_inc(&eb->blocking_writers); in btrfs_set_lock_blocking_rw()
50 write_unlock(&eb->lock); in btrfs_set_lock_blocking_rw()
53 btrfs_assert_tree_read_locked(eb); in btrfs_set_lock_blocking_rw()
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| D | locking.h | 27 void btrfs_tree_lock(struct extent_buffer *eb);
28 void btrfs_tree_unlock(struct extent_buffer *eb);
30 void btrfs_tree_read_lock(struct extent_buffer *eb);
31 void btrfs_tree_read_unlock(struct extent_buffer *eb);
32 void btrfs_tree_read_unlock_blocking(struct extent_buffer *eb);
33 void btrfs_set_lock_blocking_rw(struct extent_buffer *eb, int rw);
34 void btrfs_clear_lock_blocking_rw(struct extent_buffer *eb, int rw);
35 void btrfs_assert_tree_locked(struct extent_buffer *eb);
36 int btrfs_try_tree_read_lock(struct extent_buffer *eb);
37 int btrfs_try_tree_write_lock(struct extent_buffer *eb);
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| D | print-tree.c | 23 static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk) in print_chunk() argument
25 int num_stripes = btrfs_chunk_num_stripes(eb, chunk); in print_chunk()
29 btrfs_chunk_length(eb, chunk), btrfs_chunk_owner(eb, chunk), in print_chunk()
30 btrfs_chunk_type(eb, chunk), num_stripes); in print_chunk()
33 btrfs_stripe_devid_nr(eb, chunk, i), in print_chunk()
34 btrfs_stripe_offset_nr(eb, chunk, i)); in print_chunk()
37 static void print_dev_item(struct extent_buffer *eb, in print_dev_item() argument
42 btrfs_device_id(eb, dev_item), in print_dev_item()
43 btrfs_device_total_bytes(eb, dev_item), in print_dev_item()
44 btrfs_device_bytes_used(eb, dev_item)); in print_dev_item()
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| D | extent_io.c | 63 struct extent_buffer *eb; in btrfs_leak_debug_check() local
76 eb = list_entry(buffers.next, struct extent_buffer, leak_list); in btrfs_leak_debug_check()
79 eb->start, eb->len, atomic_read(&eb->refs)); in btrfs_leak_debug_check()
80 list_del(&eb->leak_list); in btrfs_leak_debug_check()
81 kmem_cache_free(extent_buffer_cache, eb); in btrfs_leak_debug_check()
2152 int repair_eb_io_failure(struct btrfs_root *root, struct extent_buffer *eb, in repair_eb_io_failure() argument
2155 u64 start = eb->start; in repair_eb_io_failure()
2156 unsigned long i, num_pages = num_extent_pages(eb->start, eb->len); in repair_eb_io_failure()
2163 struct page *p = eb->pages[i]; in repair_eb_io_failure()
2913 static void attach_extent_buffer_page(struct extent_buffer *eb, in attach_extent_buffer_page() argument
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| D | struct-funcs.c | 53 u##bits btrfs_get_token_##bits(const struct extent_buffer *eb, \
68 token->eb == eb && \
75 err = map_private_extent_buffer(eb, offset, size, \
80 read_extent_buffer(eb, &leres, offset, size); \
88 token->eb = eb; \
92 void btrfs_set_token_##bits(struct extent_buffer *eb, \
107 token->eb == eb && \
114 err = map_private_extent_buffer(eb, offset, size, \
120 write_extent_buffer(eb, &val2, offset, size); \
128 token->eb = eb; \
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| D | backref.c | 37 static int check_extent_in_eb(struct btrfs_key *key, struct extent_buffer *eb, in check_extent_in_eb() argument
45 if (!btrfs_file_extent_compression(eb, fi) && in check_extent_in_eb()
46 !btrfs_file_extent_encryption(eb, fi) && in check_extent_in_eb()
47 !btrfs_file_extent_other_encoding(eb, fi)) { in check_extent_in_eb()
51 data_offset = btrfs_file_extent_offset(eb, fi); in check_extent_in_eb()
52 data_len = btrfs_file_extent_num_bytes(eb, fi); in check_extent_in_eb()
82 static int find_extent_in_eb(struct extent_buffer *eb, u64 wanted_disk_byte, in find_extent_in_eb() argument
99 nritems = btrfs_header_nritems(eb); in find_extent_in_eb()
101 btrfs_item_key_to_cpu(eb, &key, slot); in find_extent_in_eb()
104 fi = btrfs_item_ptr(eb, slot, struct btrfs_file_extent_item); in find_extent_in_eb()
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| D | uuid-tree.c | 39 struct extent_buffer *eb; in btrfs_uuid_tree_lookup() local
65 eb = path->nodes[0]; in btrfs_uuid_tree_lookup()
67 item_size = btrfs_item_size_nr(eb, slot); in btrfs_uuid_tree_lookup()
68 offset = btrfs_item_ptr_offset(eb, slot); in btrfs_uuid_tree_lookup()
79 read_extent_buffer(eb, &data, offset, sizeof(data)); in btrfs_uuid_tree_lookup()
100 struct extent_buffer *eb; in btrfs_uuid_tree_add() local
126 eb = path->nodes[0]; in btrfs_uuid_tree_add()
128 offset = btrfs_item_ptr_offset(eb, slot); in btrfs_uuid_tree_add()
135 eb = path->nodes[0]; in btrfs_uuid_tree_add()
137 offset = btrfs_item_ptr_offset(eb, slot); in btrfs_uuid_tree_add()
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| D | relocation.c | 62 struct extent_buffer *eb; member
394 btrfs_tree_unlock(node->eb); in unlock_node_buffer()
401 if (node->eb) { in drop_node_buffer()
403 free_extent_buffer(node->eb); in drop_node_buffer()
404 node->eb = NULL; in drop_node_buffer()
686 struct extent_buffer *eb; local
767 eb = path1->nodes[0];
770 if (path1->slots[0] >= btrfs_header_nritems(eb)) {
778 eb = path1->nodes[0];
781 btrfs_item_key_to_cpu(eb, &key, path1->slots[0]);
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| D | ctree.c | 43 struct extent_buffer *eb);
150 struct extent_buffer *eb; in btrfs_root_node() local
154 eb = rcu_dereference(root->node); in btrfs_root_node()
162 if (atomic_inc_not_zero(&eb->refs)) { in btrfs_root_node()
169 return eb; in btrfs_root_node()
178 struct extent_buffer *eb; in btrfs_lock_root_node() local
181 eb = btrfs_root_node(root); in btrfs_lock_root_node()
182 btrfs_tree_lock(eb); in btrfs_lock_root_node()
183 if (eb == root->node) in btrfs_lock_root_node()
185 btrfs_tree_unlock(eb); in btrfs_lock_root_node()
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| D | extent_io.h | 290 void free_extent_buffer(struct extent_buffer *eb);
291 void free_extent_buffer_stale(struct extent_buffer *eb);
296 struct extent_buffer *eb, u64 start, int wait,
298 void wait_on_extent_buffer_writeback(struct extent_buffer *eb);
306 static inline void extent_buffer_get(struct extent_buffer *eb) in extent_buffer_get() argument
308 atomic_inc(&eb->refs); in extent_buffer_get()
311 int memcmp_extent_buffer(const struct extent_buffer *eb, const void *ptrv,
313 void read_extent_buffer(const struct extent_buffer *eb, void *dst,
316 int read_extent_buffer_to_user_nofault(const struct extent_buffer *eb,
319 void write_extent_buffer(struct extent_buffer *eb, const void *src,
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| D | tree-checker.c | 36 #define CORRUPT(reason, eb, root, slot) \ argument
39 btrfs_header_level(eb) == 0 ? "leaf" : "node", \
40 reason, btrfs_header_bytenr(eb), root->objectid, slot)
64 const struct extent_buffer *eb, int slot, in generic_err() argument
77 btrfs_header_level(eb) == 0 ? "leaf" : "node", in generic_err()
78 root->objectid, btrfs_header_bytenr(eb), slot, &vaf); in generic_err()
186 const struct extent_buffer *eb, int slot, in dir_item_err() argument
193 btrfs_item_key_to_cpu(eb, &key, slot); in dir_item_err()
201 btrfs_header_level(eb) == 0 ? "leaf" : "node", root->objectid, in dir_item_err()
202 btrfs_header_bytenr(eb), slot, key.objectid, &vaf); in dir_item_err()
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| D | ctree.h | 2286 const struct extent_buffer *eb; member
2304 #define read_eb_member(eb, ptr, type, member, result) ( \ argument
2305 read_extent_buffer(eb, (char *)(result), \
2310 #define write_eb_member(eb, ptr, type, member, result) ( \ argument
2311 write_extent_buffer(eb, (char *)(result), \
2317 u##bits btrfs_get_token_##bits(const struct extent_buffer *eb, \
2320 void btrfs_set_token_##bits(struct extent_buffer *eb, const void *ptr, \
2323 static inline u##bits btrfs_get_##bits(const struct extent_buffer *eb, \
2327 return btrfs_get_token_##bits(eb, ptr, off, NULL); \
2329 static inline void btrfs_set_##bits(struct extent_buffer *eb, void *ptr,\
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| D | dev-replace.c | 60 struct extent_buffer *eb; in btrfs_init_dev_replace() local
101 eb = path->nodes[0]; in btrfs_init_dev_replace()
102 item_size = btrfs_item_size_nr(eb, slot); in btrfs_init_dev_replace()
103 ptr = btrfs_item_ptr(eb, slot, struct btrfs_dev_replace_item); in btrfs_init_dev_replace()
111 src_devid = btrfs_dev_replace_src_devid(eb, ptr); in btrfs_init_dev_replace()
113 btrfs_dev_replace_cont_reading_from_srcdev_mode(eb, ptr); in btrfs_init_dev_replace()
114 dev_replace->replace_state = btrfs_dev_replace_replace_state(eb, ptr); in btrfs_init_dev_replace()
115 dev_replace->time_started = btrfs_dev_replace_time_started(eb, ptr); in btrfs_init_dev_replace()
117 btrfs_dev_replace_time_stopped(eb, ptr); in btrfs_init_dev_replace()
119 btrfs_dev_replace_num_write_errors(eb, ptr)); in btrfs_init_dev_replace()
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| D | disk-io.c | 196 void btrfs_set_buffer_lockdep_class(u64 objectid, struct extent_buffer *eb, in btrfs_set_buffer_lockdep_class() argument
208 lockdep_set_class_and_name(&eb->lock, in btrfs_set_buffer_lockdep_class()
347 struct extent_buffer *eb, u64 parent_transid, in verify_parent_transid() argument
354 if (!parent_transid || btrfs_header_generation(eb) == parent_transid) in verify_parent_transid()
361 btrfs_tree_read_lock(eb); in verify_parent_transid()
362 btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK); in verify_parent_transid()
365 lock_extent_bits(io_tree, eb->start, eb->start + eb->len - 1, in verify_parent_transid()
367 if (extent_buffer_uptodate(eb) && in verify_parent_transid()
368 btrfs_header_generation(eb) == parent_transid) { in verify_parent_transid()
372 btrfs_err_rl(eb->fs_info, in verify_parent_transid()
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| D | tree-log.c | 283 int (*process_func)(struct btrfs_root *log, struct extent_buffer *eb,
291 struct extent_buffer *eb, in process_one_buffer() argument
301 ret = btrfs_read_buffer(eb, gen); in process_one_buffer()
308 eb->start, eb->len); in process_one_buffer()
310 if (!ret && btrfs_buffer_uptodate(eb, gen, 0)) { in process_one_buffer()
311 if (wc->pin && btrfs_header_level(eb) == 0) in process_one_buffer()
312 ret = btrfs_exclude_logged_extents(log, eb); in process_one_buffer()
314 btrfs_write_tree_block(eb); in process_one_buffer()
316 btrfs_wait_tree_block_writeback(eb); in process_one_buffer()
338 struct extent_buffer *eb, int slot, in overwrite_item() argument
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| D | reada.c | 108 static int __readahead_hook(struct btrfs_root *root, struct extent_buffer *eb, in __readahead_hook() argument
122 if (eb) in __readahead_hook()
123 level = btrfs_header_level(eb); in __readahead_hook()
146 nritems = level ? btrfs_header_nritems(eb) : 0; in __readahead_hook()
147 generation = btrfs_header_generation(eb); in __readahead_hook()
171 btrfs_node_key_to_cpu(eb, &key, i); in __readahead_hook()
173 btrfs_node_key_to_cpu(eb, &next_key, i + 1); in __readahead_hook()
176 bytenr = btrfs_node_blockptr(eb, i); in __readahead_hook()
177 n_gen = btrfs_node_ptr_generation(eb, i); in __readahead_hook()
236 int btree_readahead_hook(struct btrfs_root *root, struct extent_buffer *eb, in btree_readahead_hook() argument
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| D | send.c | 453 struct extent_buffer *eb, in fs_path_add_from_extent_buffer() argument
463 read_extent_buffer(eb, prepared, off, len); in fs_path_add_from_extent_buffer()
586 struct extent_buffer *eb, in tlv_put_btrfs_timespec() argument
590 read_extent_buffer(eb, &bts, (unsigned long)ts, sizeof(bts)); in tlv_put_btrfs_timespec()
632 #define TLV_PUT_BTRFS_TIMESPEC(sctx, attrtype, eb, ts) \ argument
634 ret = tlv_put_btrfs_timespec(sctx, attrtype, eb, ts); \
856 struct extent_buffer *eb = path->nodes[0]; in iterate_inode_ref() local
887 ptr = (unsigned long)btrfs_item_ptr(eb, slot, in iterate_inode_ref()
890 total = btrfs_item_size(eb, item); in iterate_inode_ref()
893 ptr = btrfs_item_ptr_offset(eb, slot); in iterate_inode_ref()
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| D | disk-io.h | 51 int mirror_num, struct extent_buffer **eb);
155 struct extent_buffer *eb, int level);
160 struct extent_buffer *eb, int level) in btrfs_set_buffer_lockdep_class() argument
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| D | root-tree.c | 33 static void btrfs_read_root_item(struct extent_buffer *eb, int slot, in btrfs_read_root_item() argument
40 len = btrfs_item_size_nr(eb, slot); in btrfs_read_root_item()
41 read_extent_buffer(eb, item, btrfs_item_ptr_offset(eb, slot), in btrfs_read_root_item()
48 btrfs_warn(eb->fs_info, in btrfs_read_root_item()
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| D | extent-tree.c | 6102 struct extent_buffer *eb) in btrfs_exclude_logged_extents() argument
6112 for (i = 0; i < btrfs_header_nritems(eb); i++) { in btrfs_exclude_logged_extents()
6113 btrfs_item_key_to_cpu(eb, &key, i); in btrfs_exclude_logged_extents()
6116 item = btrfs_item_ptr(eb, i, struct btrfs_file_extent_item); in btrfs_exclude_logged_extents()
6117 found_type = btrfs_file_extent_type(eb, item); in btrfs_exclude_logged_extents()
6120 if (btrfs_file_extent_disk_bytenr(eb, item) == 0) in btrfs_exclude_logged_extents()
6122 key.objectid = btrfs_file_extent_disk_bytenr(eb, item); in btrfs_exclude_logged_extents()
6123 key.offset = btrfs_file_extent_disk_num_bytes(eb, item); in btrfs_exclude_logged_extents()
8077 struct extent_buffer *eb; in reada_walk_down() local
8091 eb = path->nodes[wc->level]; in reada_walk_down()
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| /fs/btrfs/tests/ |
| D | extent-buffer-tests.c | 29 struct extent_buffer *eb; in test_btrfs_split_item() local
56 path->nodes[0] = eb = alloc_dummy_extent_buffer(NULL, 4096); in test_btrfs_split_item()
57 if (!eb) { in test_btrfs_split_item()
71 write_extent_buffer(eb, value, btrfs_item_ptr_offset(eb, 0), in test_btrfs_split_item()
91 btrfs_item_key_to_cpu(eb, &key, 0); in test_btrfs_split_item()
100 if (btrfs_item_size(eb, item) != strlen(split1)) { in test_btrfs_split_item()
106 read_extent_buffer(eb, buf, btrfs_item_ptr_offset(eb, 0), in test_btrfs_split_item()
116 btrfs_item_key_to_cpu(eb, &key, 1); in test_btrfs_split_item()
125 if (btrfs_item_size(eb, item) != strlen(split2)) { in test_btrfs_split_item()
131 read_extent_buffer(eb, buf, btrfs_item_ptr_offset(eb, 1), in test_btrfs_split_item()
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| D | btrfs-tests.c | 141 struct extent_buffer *eb; in btrfs_free_dummy_fs_info() local
143 eb = radix_tree_deref_slot_protected(slot, &fs_info->buffer_lock); in btrfs_free_dummy_fs_info()
144 if (!eb) in btrfs_free_dummy_fs_info()
147 if (radix_tree_exception(eb)) { in btrfs_free_dummy_fs_info()
148 if (radix_tree_deref_retry(eb)) in btrfs_free_dummy_fs_info()
153 free_extent_buffer_stale(eb); in btrfs_free_dummy_fs_info()
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| /fs/ocfs2/ |
| D | alloc.c | 570 struct ocfs2_extent_block *eb);
673 struct ocfs2_extent_block *eb = (struct ocfs2_extent_block *)eb_bh->b_data; in ocfs2_path_insert_eb() local
684 path->p_node[index].el = &eb->h_list; in ocfs2_path_insert_eb()
887 struct ocfs2_extent_block *eb = in ocfs2_validate_extent_block() local
899 rc = ocfs2_validate_meta_ecc(sb, bh->b_data, &eb->h_check); in ocfs2_validate_extent_block()
910 if (!OCFS2_IS_VALID_EXTENT_BLOCK(eb)) { in ocfs2_validate_extent_block()
914 eb->h_signature); in ocfs2_validate_extent_block()
918 if (le64_to_cpu(eb->h_blkno) != bh->b_blocknr) { in ocfs2_validate_extent_block()
922 (unsigned long long)le64_to_cpu(eb->h_blkno)); in ocfs2_validate_extent_block()
926 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 | 294 struct ocfs2_extent_block *eb; in ocfs2_last_eb_is_empty() local
303 eb = (struct ocfs2_extent_block *) eb_bh->b_data; in ocfs2_last_eb_is_empty()
304 el = &eb->h_list; in ocfs2_last_eb_is_empty()
365 struct ocfs2_extent_block *eb, *next_eb; in ocfs2_figure_hole_clusters() local
370 eb = (struct ocfs2_extent_block *)eb_bh->b_data; in ocfs2_figure_hole_clusters()
376 if (le64_to_cpu(eb->h_next_leaf_blk) == 0ULL) in ocfs2_figure_hole_clusters()
380 le64_to_cpu(eb->h_next_leaf_blk), in ocfs2_figure_hole_clusters()
418 struct ocfs2_extent_block *uninitialized_var(eb); in ocfs2_get_clusters_nocache()
439 eb = (struct ocfs2_extent_block *) eb_bh->b_data; in ocfs2_get_clusters_nocache()
440 el = &eb->h_list; in ocfs2_get_clusters_nocache()
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| D | refcounttree.c | 966 struct ocfs2_extent_block *eb, in ocfs2_get_refcount_cpos_end() argument
987 if (!eb || (eb && !eb->h_next_leaf_blk)) { in ocfs2_get_refcount_cpos_end()
1011 cpos = le32_to_cpu(eb->h_list.l_recs[index].e_cpos); in ocfs2_get_refcount_cpos_end()
1075 struct ocfs2_extent_block *eb = NULL; in ocfs2_get_refcount_rec() local
1099 eb = (struct ocfs2_extent_block *) eb_bh->b_data; in ocfs2_get_refcount_rec()
1100 el = &eb->h_list; in ocfs2_get_refcount_rec()
1123 eb, el, i, &cpos_end); in ocfs2_get_refcount_rec()
2648 struct ocfs2_extent_block *eb = NULL; in ocfs2_refcount_cal_cow_clusters() local
2663 eb = (struct ocfs2_extent_block *) eb_bh->b_data; in ocfs2_refcount_cal_cow_clusters()
2664 el = &eb->h_list; in ocfs2_refcount_cal_cow_clusters()
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