diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index f2373e70d9c8..2c21a7ede933 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -1035,10 +1035,11 @@ int btrfs_lookup_extent_info(struct btrfs_trans_handle *trans, #ifdef BTRFS_COMPAT_EXTENT_TREE_V0 static int convert_extent_item_v0(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, u64 owner, u32 extra_size) { + struct btrfs_root *root = fs_info->extent_root; struct btrfs_extent_item *item; struct btrfs_extent_item_v0 *ei0; struct btrfs_extent_ref_v0 *ref0; @@ -1092,7 +1093,7 @@ static int convert_extent_item_v0(struct btrfs_trans_handle *trans, return ret; BUG_ON(ret); /* Corruption */ - btrfs_extend_item(root->fs_info, path, new_size); + btrfs_extend_item(fs_info, path, new_size); leaf = path->nodes[0]; item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item); @@ -1151,12 +1152,13 @@ static int match_extent_data_ref(struct extent_buffer *leaf, } static noinline int lookup_extent_data_ref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, u64 bytenr, u64 parent, u64 root_objectid, u64 owner, u64 offset) { + struct btrfs_root *root = fs_info->extent_root; struct btrfs_key key; struct btrfs_extent_data_ref *ref; struct extent_buffer *leaf; @@ -1238,12 +1240,13 @@ static noinline int lookup_extent_data_ref(struct btrfs_trans_handle *trans, } static noinline int insert_extent_data_ref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, u64 bytenr, u64 parent, u64 root_objectid, u64 owner, u64 offset, int refs_to_add) { + struct btrfs_root *root = fs_info->extent_root; struct btrfs_key key; struct extent_buffer *leaf; u32 size; @@ -1317,7 +1320,7 @@ static noinline int insert_extent_data_ref(struct btrfs_trans_handle *trans, } static noinline int remove_extent_data_ref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, int refs_to_drop, int *last_ref) { @@ -1354,7 +1357,7 @@ static noinline int remove_extent_data_ref(struct btrfs_trans_handle *trans, num_refs -= refs_to_drop; if (num_refs == 0) { - ret = btrfs_del_item(trans, root, path); + ret = btrfs_del_item(trans, fs_info->extent_root, path); *last_ref = 1; } else { if (key.type == BTRFS_EXTENT_DATA_REF_KEY) @@ -1416,11 +1419,12 @@ static noinline u32 extent_data_ref_count(struct btrfs_path *path, } static noinline int lookup_tree_block_ref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, u64 bytenr, u64 parent, u64 root_objectid) { + struct btrfs_root *root = fs_info->extent_root; struct btrfs_key key; int ret; @@ -1449,7 +1453,7 @@ static noinline int lookup_tree_block_ref(struct btrfs_trans_handle *trans, } static noinline int insert_tree_block_ref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, u64 bytenr, u64 parent, u64 root_objectid) @@ -1466,7 +1470,8 @@ static noinline int insert_tree_block_ref(struct btrfs_trans_handle *trans, key.offset = root_objectid; } - ret = btrfs_insert_empty_item(trans, root, path, &key, 0); + ret = btrfs_insert_empty_item(trans, fs_info->extent_root, + path, &key, 0); btrfs_release_path(path); return ret; } @@ -1524,14 +1529,14 @@ static int find_next_key(struct btrfs_path *path, int level, */ static noinline_for_stack int lookup_inline_extent_backref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, struct btrfs_extent_inline_ref **ref_ret, u64 bytenr, u64 num_bytes, u64 parent, u64 root_objectid, u64 owner, u64 offset, int insert) { - struct btrfs_fs_info *fs_info = root->fs_info; + struct btrfs_root *root = fs_info->extent_root; struct btrfs_key key; struct extent_buffer *leaf; struct btrfs_extent_item *ei; @@ -1614,7 +1619,7 @@ int lookup_inline_extent_backref(struct btrfs_trans_handle *trans, err = -ENOENT; goto out; } - ret = convert_extent_item_v0(trans, root, path, owner, + ret = convert_extent_item_v0(trans, fs_info, path, owner, extra_size); if (ret < 0) { err = ret; @@ -1716,7 +1721,7 @@ int lookup_inline_extent_backref(struct btrfs_trans_handle *trans, * helper to add new inline back ref */ static noinline_for_stack -void setup_inline_extent_backref(struct btrfs_root *root, +void setup_inline_extent_backref(struct btrfs_fs_info *fs_info, struct btrfs_path *path, struct btrfs_extent_inline_ref *iref, u64 parent, u64 root_objectid, @@ -1739,7 +1744,7 @@ void setup_inline_extent_backref(struct btrfs_root *root, type = extent_ref_type(parent, owner); size = btrfs_extent_inline_ref_size(type); - btrfs_extend_item(root->fs_info, path, size); + btrfs_extend_item(fs_info, path, size); ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item); refs = btrfs_extent_refs(leaf, ei); @@ -1777,7 +1782,7 @@ void setup_inline_extent_backref(struct btrfs_root *root, } static int lookup_extent_backref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, struct btrfs_extent_inline_ref **ref_ret, u64 bytenr, u64 num_bytes, u64 parent, @@ -1785,7 +1790,7 @@ static int lookup_extent_backref(struct btrfs_trans_handle *trans, { int ret; - ret = lookup_inline_extent_backref(trans, root, path, ref_ret, + ret = lookup_inline_extent_backref(trans, fs_info, path, ref_ret, bytenr, num_bytes, parent, root_objectid, owner, offset, 0); if (ret != -ENOENT) @@ -1795,11 +1800,12 @@ static int lookup_extent_backref(struct btrfs_trans_handle *trans, *ref_ret = NULL; if (owner < BTRFS_FIRST_FREE_OBJECTID) { - ret = lookup_tree_block_ref(trans, root, path, bytenr, parent, - root_objectid); + ret = lookup_tree_block_ref(trans, fs_info, path, bytenr, + parent, root_objectid); } else { - ret = lookup_extent_data_ref(trans, root, path, bytenr, parent, - root_objectid, owner, offset); + ret = lookup_extent_data_ref(trans, fs_info, path, bytenr, + parent, root_objectid, owner, + offset); } return ret; } @@ -1808,7 +1814,7 @@ static int lookup_extent_backref(struct btrfs_trans_handle *trans, * helper to update/remove inline back ref */ static noinline_for_stack -void update_inline_extent_backref(struct btrfs_root *root, +void update_inline_extent_backref(struct btrfs_fs_info *fs_info, struct btrfs_path *path, struct btrfs_extent_inline_ref *iref, int refs_to_mod, @@ -1866,14 +1872,14 @@ void update_inline_extent_backref(struct btrfs_root *root, memmove_extent_buffer(leaf, ptr, ptr + size, end - ptr - size); item_size -= size; - btrfs_truncate_item(root->fs_info, path, item_size, 1); + btrfs_truncate_item(fs_info, path, item_size, 1); } btrfs_mark_buffer_dirty(leaf); } static noinline_for_stack int insert_inline_extent_backref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, u64 bytenr, u64 num_bytes, u64 parent, u64 root_objectid, u64 owner, @@ -1883,15 +1889,15 @@ int insert_inline_extent_backref(struct btrfs_trans_handle *trans, struct btrfs_extent_inline_ref *iref; int ret; - ret = lookup_inline_extent_backref(trans, root, path, &iref, + ret = lookup_inline_extent_backref(trans, fs_info, path, &iref, bytenr, num_bytes, parent, root_objectid, owner, offset, 1); if (ret == 0) { BUG_ON(owner < BTRFS_FIRST_FREE_OBJECTID); - update_inline_extent_backref(root, path, iref, + update_inline_extent_backref(fs_info, path, iref, refs_to_add, extent_op, NULL); } else if (ret == -ENOENT) { - setup_inline_extent_backref(root, path, iref, parent, + setup_inline_extent_backref(fs_info, path, iref, parent, root_objectid, owner, offset, refs_to_add, extent_op); ret = 0; @@ -1900,7 +1906,7 @@ int insert_inline_extent_backref(struct btrfs_trans_handle *trans, } static int insert_extent_backref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, u64 bytenr, u64 parent, u64 root_objectid, u64 owner, u64 offset, int refs_to_add) @@ -1908,10 +1914,10 @@ static int insert_extent_backref(struct btrfs_trans_handle *trans, int ret; if (owner < BTRFS_FIRST_FREE_OBJECTID) { BUG_ON(refs_to_add != 1); - ret = insert_tree_block_ref(trans, root, path, bytenr, + ret = insert_tree_block_ref(trans, fs_info, path, bytenr, parent, root_objectid); } else { - ret = insert_extent_data_ref(trans, root, path, bytenr, + ret = insert_extent_data_ref(trans, fs_info, path, bytenr, parent, root_objectid, owner, offset, refs_to_add); } @@ -1919,7 +1925,7 @@ static int insert_extent_backref(struct btrfs_trans_handle *trans, } static int remove_extent_backref(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_path *path, struct btrfs_extent_inline_ref *iref, int refs_to_drop, int is_data, int *last_ref) @@ -1928,14 +1934,14 @@ static int remove_extent_backref(struct btrfs_trans_handle *trans, BUG_ON(!is_data && refs_to_drop != 1); if (iref) { - update_inline_extent_backref(root, path, iref, + update_inline_extent_backref(fs_info, path, iref, -refs_to_drop, NULL, last_ref); } else if (is_data) { - ret = remove_extent_data_ref(trans, root, path, refs_to_drop, + ret = remove_extent_data_ref(trans, fs_info, path, refs_to_drop, last_ref); } else { *last_ref = 1; - ret = btrfs_del_item(trans, root, path); + ret = btrfs_del_item(trans, fs_info->extent_root, path); } return ret; } @@ -2117,9 +2123,9 @@ static int __btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, path->reada = READA_FORWARD; path->leave_spinning = 1; /* this will setup the path even if it fails to insert the back ref */ - ret = insert_inline_extent_backref(trans, fs_info->extent_root, path, - bytenr, num_bytes, parent, - root_objectid, owner, offset, + ret = insert_inline_extent_backref(trans, fs_info, path, bytenr, + num_bytes, parent, root_objectid, + owner, offset, refs_to_add, extent_op); if ((ret < 0 && ret != -EAGAIN) || !ret) goto out; @@ -2143,9 +2149,8 @@ static int __btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, path->reada = READA_FORWARD; path->leave_spinning = 1; /* now insert the actual backref */ - ret = insert_extent_backref(trans, fs_info->extent_root, - path, bytenr, parent, root_objectid, - owner, offset, refs_to_add); + ret = insert_extent_backref(trans, fs_info, path, bytenr, parent, + root_objectid, owner, offset, refs_to_add); if (ret) btrfs_abort_transaction(trans, ret); out: @@ -2290,8 +2295,7 @@ static int run_delayed_extent_op(struct btrfs_trans_handle *trans, item_size = btrfs_item_size_nr(leaf, path->slots[0]); #ifdef BTRFS_COMPAT_EXTENT_TREE_V0 if (item_size < sizeof(*ei)) { - ret = convert_extent_item_v0(trans, fs_info->extent_root, - path, (u64)-1, 0); + ret = convert_extent_item_v0(trans, fs_info, path, (u64)-1, 0); if (ret < 0) { err = ret; goto out; @@ -6841,7 +6845,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, if (is_data) skinny_metadata = 0; - ret = lookup_extent_backref(trans, extent_root, path, &iref, + ret = lookup_extent_backref(trans, info, path, &iref, bytenr, num_bytes, parent, root_objectid, owner_objectid, owner_offset); @@ -6873,8 +6877,8 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, #endif if (!found_extent) { BUG_ON(iref); - ret = remove_extent_backref(trans, extent_root, path, - NULL, refs_to_drop, + ret = remove_extent_backref(trans, info, path, NULL, + refs_to_drop, is_data, &last_ref); if (ret) { btrfs_abort_transaction(trans, ret); @@ -6949,8 +6953,8 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, #ifdef BTRFS_COMPAT_EXTENT_TREE_V0 if (item_size < sizeof(*ei)) { BUG_ON(found_extent || extent_slot != path->slots[0]); - ret = convert_extent_item_v0(trans, extent_root, path, - owner_objectid, 0); + ret = convert_extent_item_v0(trans, info, path, owner_objectid, + 0); if (ret < 0) { btrfs_abort_transaction(trans, ret); goto out; @@ -7017,7 +7021,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, btrfs_mark_buffer_dirty(leaf); } if (found_extent) { - ret = remove_extent_backref(trans, extent_root, path, + ret = remove_extent_backref(trans, info, path, iref, refs_to_drop, is_data, &last_ref); if (ret) { @@ -7415,12 +7419,11 @@ btrfs_release_block_group(struct btrfs_block_group_cache *cache, * If there is no suitable free space, we will record the max size of * the free space extent currently. */ -static noinline int find_free_extent(struct btrfs_root *orig_root, +static noinline int find_free_extent(struct btrfs_fs_info *fs_info, u64 ram_bytes, u64 num_bytes, u64 empty_size, u64 hint_byte, struct btrfs_key *ins, u64 flags, int delalloc) { - struct btrfs_fs_info *fs_info = orig_root->fs_info; int ret = 0; struct btrfs_root *root = fs_info->extent_root; struct btrfs_free_cluster *last_ptr = NULL; @@ -7948,7 +7951,7 @@ int btrfs_reserve_extent(struct btrfs_root *root, u64 ram_bytes, flags = btrfs_get_alloc_profile(root, is_data); again: WARN_ON(num_bytes < fs_info->sectorsize); - ret = find_free_extent(root, ram_bytes, num_bytes, empty_size, + ret = find_free_extent(fs_info, ram_bytes, num_bytes, empty_size, hint_byte, ins, flags, delalloc); if (!ret && !is_data) { btrfs_dec_block_group_reservations(fs_info, ins->objectid);