Lines Matching refs:eb
174 struct extent_buffer *eb) in tree_mod_dont_log() argument
178 if (eb && btrfs_header_level(eb) == 0) in tree_mod_dont_log()
192 struct extent_buffer *eb) in tree_mod_need_log() argument
196 if (eb && btrfs_header_level(eb) == 0) in tree_mod_need_log()
202 static struct tree_mod_elem *alloc_tree_mod_elem(struct extent_buffer *eb, in alloc_tree_mod_elem() argument
212 tm->logical = eb->start; in alloc_tree_mod_elem()
214 btrfs_node_key(eb, &tm->key, slot); in alloc_tree_mod_elem()
215 tm->blockptr = btrfs_node_blockptr(eb, slot); in alloc_tree_mod_elem()
219 tm->generation = btrfs_node_ptr_generation(eb, slot); in alloc_tree_mod_elem()
225 int btrfs_tree_mod_log_insert_key(struct extent_buffer *eb, int slot, in btrfs_tree_mod_log_insert_key() argument
231 if (!tree_mod_need_log(eb->fs_info, eb)) in btrfs_tree_mod_log_insert_key()
234 tm = alloc_tree_mod_elem(eb, slot, op); in btrfs_tree_mod_log_insert_key()
238 if (tree_mod_dont_log(eb->fs_info, eb)) { in btrfs_tree_mod_log_insert_key()
243 ret = tree_mod_log_insert(eb->fs_info, tm); in btrfs_tree_mod_log_insert_key()
244 write_unlock(&eb->fs_info->tree_mod_log_lock); in btrfs_tree_mod_log_insert_key()
251 int btrfs_tree_mod_log_insert_move(struct extent_buffer *eb, in btrfs_tree_mod_log_insert_move() argument
261 if (!tree_mod_need_log(eb->fs_info, eb)) in btrfs_tree_mod_log_insert_move()
274 tm->logical = eb->start; in btrfs_tree_mod_log_insert_move()
281 tm_list[i] = alloc_tree_mod_elem(eb, i + dst_slot, in btrfs_tree_mod_log_insert_move()
289 if (tree_mod_dont_log(eb->fs_info, eb)) in btrfs_tree_mod_log_insert_move()
299 ret = tree_mod_log_insert(eb->fs_info, tm_list[i]); in btrfs_tree_mod_log_insert_move()
304 ret = tree_mod_log_insert(eb->fs_info, tm); in btrfs_tree_mod_log_insert_move()
307 write_unlock(&eb->fs_info->tree_mod_log_lock); in btrfs_tree_mod_log_insert_move()
315 rb_erase(&tm_list[i]->node, &eb->fs_info->tree_mod_log); in btrfs_tree_mod_log_insert_move()
319 write_unlock(&eb->fs_info->tree_mod_log_lock); in btrfs_tree_mod_log_insert_move()
553 int btrfs_tree_mod_log_free_eb(struct extent_buffer *eb) in btrfs_tree_mod_log_free_eb() argument
560 if (!tree_mod_need_log(eb->fs_info, eb)) in btrfs_tree_mod_log_free_eb()
563 nritems = btrfs_header_nritems(eb); in btrfs_tree_mod_log_free_eb()
569 tm_list[i] = alloc_tree_mod_elem(eb, i, in btrfs_tree_mod_log_free_eb()
577 if (tree_mod_dont_log(eb->fs_info, eb)) in btrfs_tree_mod_log_free_eb()
580 ret = tree_mod_log_free_eb(eb->fs_info, tm_list, nritems); in btrfs_tree_mod_log_free_eb()
581 write_unlock(&eb->fs_info->tree_mod_log_lock); in btrfs_tree_mod_log_free_eb()
657 struct extent_buffer *eb, in tree_mod_log_rewind() argument
668 n = btrfs_header_nritems(eb); in tree_mod_log_rewind()
682 btrfs_set_node_key(eb, &tm->key, tm->slot); in tree_mod_log_rewind()
683 btrfs_set_node_blockptr(eb, tm->slot, tm->blockptr); in tree_mod_log_rewind()
684 btrfs_set_node_ptr_generation(eb, tm->slot, in tree_mod_log_rewind()
690 btrfs_set_node_key(eb, &tm->key, tm->slot); in tree_mod_log_rewind()
691 btrfs_set_node_blockptr(eb, tm->slot, tm->blockptr); in tree_mod_log_rewind()
692 btrfs_set_node_ptr_generation(eb, tm->slot, in tree_mod_log_rewind()
700 o_dst = btrfs_node_key_ptr_offset(eb, tm->slot); in tree_mod_log_rewind()
701 o_src = btrfs_node_key_ptr_offset(eb, tm->move.dst_slot); in tree_mod_log_rewind()
702 memmove_extent_buffer(eb, o_dst, o_src, in tree_mod_log_rewind()
725 btrfs_set_header_nritems(eb, n); in tree_mod_log_rewind()
737 struct extent_buffer *eb, in btrfs_tree_mod_log_rewind() argument
744 return eb; in btrfs_tree_mod_log_rewind()
746 if (btrfs_header_level(eb) == 0) in btrfs_tree_mod_log_rewind()
747 return eb; in btrfs_tree_mod_log_rewind()
749 tm = tree_mod_log_search(fs_info, eb->start, time_seq); in btrfs_tree_mod_log_rewind()
751 return eb; in btrfs_tree_mod_log_rewind()
755 eb_rewin = alloc_dummy_extent_buffer(fs_info, eb->start); in btrfs_tree_mod_log_rewind()
757 btrfs_tree_read_unlock(eb); in btrfs_tree_mod_log_rewind()
758 free_extent_buffer(eb); in btrfs_tree_mod_log_rewind()
761 btrfs_set_header_bytenr(eb_rewin, eb->start); in btrfs_tree_mod_log_rewind()
763 btrfs_header_backref_rev(eb)); in btrfs_tree_mod_log_rewind()
764 btrfs_set_header_owner(eb_rewin, btrfs_header_owner(eb)); in btrfs_tree_mod_log_rewind()
765 btrfs_set_header_level(eb_rewin, btrfs_header_level(eb)); in btrfs_tree_mod_log_rewind()
767 eb_rewin = btrfs_clone_extent_buffer(eb); in btrfs_tree_mod_log_rewind()
769 btrfs_tree_read_unlock(eb); in btrfs_tree_mod_log_rewind()
770 free_extent_buffer(eb); in btrfs_tree_mod_log_rewind()
775 btrfs_tree_read_unlock(eb); in btrfs_tree_mod_log_rewind()
776 free_extent_buffer(eb); in btrfs_tree_mod_log_rewind()
799 struct extent_buffer *eb = NULL; in btrfs_get_old_root() local
844 eb = btrfs_clone_extent_buffer(old); in btrfs_get_old_root()
861 free_extent_buffer(eb); in btrfs_get_old_root()
870 eb = alloc_dummy_extent_buffer(fs_info, logical); in btrfs_get_old_root()
872 eb = btrfs_clone_extent_buffer(eb_root); in btrfs_get_old_root()
877 if (!eb) in btrfs_get_old_root()
880 btrfs_set_header_bytenr(eb, eb->start); in btrfs_get_old_root()
881 btrfs_set_header_backref_rev(eb, BTRFS_MIXED_BACKREF_REV); in btrfs_get_old_root()
882 btrfs_set_header_owner(eb, eb_root_owner); in btrfs_get_old_root()
883 btrfs_set_header_level(eb, old_root->level); in btrfs_get_old_root()
884 btrfs_set_header_generation(eb, old_generation); in btrfs_get_old_root()
886 btrfs_set_buffer_lockdep_class(btrfs_header_owner(eb), eb, in btrfs_get_old_root()
887 btrfs_header_level(eb)); in btrfs_get_old_root()
888 btrfs_tree_read_lock(eb); in btrfs_get_old_root()
890 tree_mod_log_rewind(fs_info, eb, time_seq, tm); in btrfs_get_old_root()
892 WARN_ON(btrfs_header_level(eb) != 0); in btrfs_get_old_root()
893 WARN_ON(btrfs_header_nritems(eb) > BTRFS_NODEPTRS_PER_BLOCK(fs_info)); in btrfs_get_old_root()
895 return eb; in btrfs_get_old_root()