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path: root/fs/btrfs/extent-tree.c
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Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c56
1 files changed, 25 insertions, 31 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 87a921b84bab..023920d0d971 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2328,7 +2328,7 @@ static noinline int check_delayed_ref(struct btrfs_root *root,
* If our ref doesn't match the one we're currently looking at
* then we have a cross reference.
*/
- if (ref->ref_root != root->root_key.objectid ||
+ if (ref->ref_root != btrfs_root_id(root) ||
ref_owner != objectid || ref_offset != offset) {
ret = 1;
break;
@@ -2422,8 +2422,7 @@ static noinline int check_committed_ref(struct btrfs_root *root,
ref = (struct btrfs_extent_data_ref *)(&iref->offset);
if (btrfs_extent_refs(leaf, ei) !=
btrfs_extent_data_ref_count(leaf, ref) ||
- btrfs_extent_data_ref_root(leaf, ref) !=
- root->root_key.objectid ||
+ btrfs_extent_data_ref_root(leaf, ref) != btrfs_root_id(root) ||
btrfs_extent_data_ref_objectid(leaf, ref) != objectid ||
btrfs_extent_data_ref_offset(leaf, ref) != offset)
goto out;
@@ -2515,7 +2514,7 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
key.offset -= btrfs_file_extent_offset(buf, fi);
btrfs_init_data_ref(&ref, key.objectid, key.offset,
- root->root_key.objectid, for_reloc);
+ btrfs_root_id(root), for_reloc);
if (inc)
ret = btrfs_inc_extent_ref(trans, &ref);
else
@@ -2528,7 +2527,7 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
ref.num_bytes = fs_info->nodesize;
btrfs_init_tree_ref(&ref, level - 1,
- root->root_key.objectid, for_reloc);
+ btrfs_root_id(root), for_reloc);
if (inc)
ret = btrfs_inc_extent_ref(trans, &ref);
else
@@ -4671,7 +4670,7 @@ int btrfs_reserve_extent(struct btrfs_root *root, u64 ram_bytes,
bool final_tried = num_bytes == min_alloc_size;
u64 flags;
int ret;
- bool for_treelog = (root->root_key.objectid == BTRFS_TREE_LOG_OBJECTID);
+ bool for_treelog = (btrfs_root_id(root) == BTRFS_TREE_LOG_OBJECTID);
bool for_data_reloc = (btrfs_is_data_reloc_root(root) && is_data);
flags = get_alloc_profile_by_root(root, is_data);
@@ -4936,8 +4935,8 @@ int btrfs_alloc_reserved_file_extent(struct btrfs_trans_handle *trans,
.action = BTRFS_ADD_DELAYED_EXTENT,
.bytenr = ins->objectid,
.num_bytes = ins->offset,
- .owning_root = root->root_key.objectid,
- .ref_root = root->root_key.objectid,
+ .owning_root = btrfs_root_id(root),
+ .ref_root = btrfs_root_id(root),
};
ASSERT(generic_ref.ref_root != BTRFS_TREE_LOG_OBJECTID);
@@ -5083,7 +5082,7 @@ btrfs_init_new_buffer(struct btrfs_trans_handle *trans, struct btrfs_root *root,
btrfs_set_header_owner(buf, owner);
write_extent_buffer_fsid(buf, fs_info->fs_devices->metadata_uuid);
write_extent_buffer_chunk_tree_uuid(buf, fs_info->chunk_tree_uuid);
- if (root->root_key.objectid == BTRFS_TREE_LOG_OBJECTID) {
+ if (btrfs_root_id(root) == BTRFS_TREE_LOG_OBJECTID) {
buf->log_index = root->log_transid % 2;
/*
* we allow two log transactions at a time, use different
@@ -5188,8 +5187,7 @@ struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans,
extent_op->update_flags = true;
extent_op->level = level;
- btrfs_init_tree_ref(&generic_ref, level,
- root->root_key.objectid, false);
+ btrfs_init_tree_ref(&generic_ref, level, btrfs_root_id(root), false);
btrfs_ref_tree_mod(fs_info, &generic_ref);
ret = btrfs_add_delayed_tree_ref(trans, &generic_ref, extent_op);
if (ret)
@@ -5327,8 +5325,7 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans,
u64 flag = BTRFS_BLOCK_FLAG_FULL_BACKREF;
int ret;
- if (wc->stage == UPDATE_BACKREF &&
- btrfs_header_owner(eb) != root->root_key.objectid)
+ if (wc->stage == UPDATE_BACKREF && btrfs_header_owner(eb) != btrfs_root_id(root))
return 1;
/*
@@ -5402,7 +5399,7 @@ static int check_ref_exists(struct btrfs_trans_handle *trans,
ret = lookup_extent_backref(trans, path, &iref, bytenr,
root->fs_info->nodesize, parent,
- root->root_key.objectid, level, 0);
+ btrfs_root_id(root), level, 0);
btrfs_free_path(path);
if (ret == -ENOENT)
return 0;
@@ -5458,7 +5455,7 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans,
check.level = level - 1;
check.transid = generation;
- check.owner_root = root->root_key.objectid;
+ check.owner_root = btrfs_root_id(root);
check.has_first_key = true;
btrfs_node_key_to_cpu(path->nodes[level], &check.first_key,
path->slots[level]);
@@ -5466,7 +5463,7 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans,
next = find_extent_buffer(fs_info, bytenr);
if (!next) {
next = btrfs_find_create_tree_block(fs_info, bytenr,
- root->root_key.objectid, level - 1);
+ btrfs_root_id(root), level - 1);
if (IS_ERR(next))
return PTR_ERR(next);
reada = 1;
@@ -5556,14 +5553,14 @@ skip:
.bytenr = bytenr,
.num_bytes = fs_info->nodesize,
.owning_root = owner_root,
- .ref_root = root->root_key.objectid,
+ .ref_root = btrfs_root_id(root),
};
if (wc->flags[level] & BTRFS_BLOCK_FLAG_FULL_BACKREF) {
ref.parent = path->nodes[level]->start;
} else {
- ASSERT(root->root_key.objectid ==
+ ASSERT(btrfs_root_id(root) ==
btrfs_header_owner(path->nodes[level]));
- if (root->root_key.objectid !=
+ if (btrfs_root_id(root) !=
btrfs_header_owner(path->nodes[level])) {
btrfs_err(root->fs_info,
"mismatched block owner");
@@ -5594,8 +5591,7 @@ skip:
* already accounted them at merge time (replace_path),
* thus we could skip expensive subtree trace here.
*/
- if (root->root_key.objectid != BTRFS_TREE_RELOC_OBJECTID &&
- need_account) {
+ if (btrfs_root_id(root) != BTRFS_TREE_RELOC_OBJECTID && need_account) {
ret = btrfs_qgroup_trace_subtree(trans, next,
generation, level - 1);
if (ret) {
@@ -5705,7 +5701,7 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans,
else
ret = btrfs_dec_ref(trans, root, eb, 0);
BUG_ON(ret); /* -ENOMEM */
- if (is_fstree(root->root_key.objectid)) {
+ if (is_fstree(btrfs_root_id(root))) {
ret = btrfs_qgroup_trace_leaf_items(trans, eb);
if (ret) {
btrfs_err_rl(fs_info,
@@ -5725,12 +5721,12 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans,
if (eb == root->node) {
if (wc->flags[level] & BTRFS_BLOCK_FLAG_FULL_BACKREF)
parent = eb->start;
- else if (root->root_key.objectid != btrfs_header_owner(eb))
+ else if (btrfs_root_id(root) != btrfs_header_owner(eb))
goto owner_mismatch;
} else {
if (wc->flags[level + 1] & BTRFS_BLOCK_FLAG_FULL_BACKREF)
parent = path->nodes[level + 1]->start;
- else if (root->root_key.objectid !=
+ else if (btrfs_root_id(root) !=
btrfs_header_owner(path->nodes[level + 1]))
goto owner_mismatch;
}
@@ -5744,7 +5740,7 @@ out:
owner_mismatch:
btrfs_err_rl(fs_info, "unexpected tree owner, have %llu expect %llu",
- btrfs_header_owner(eb), root->root_key.objectid);
+ btrfs_header_owner(eb), btrfs_root_id(root));
return -EUCLEAN;
}
@@ -5830,8 +5826,7 @@ static noinline int walk_up_tree(struct btrfs_trans_handle *trans,
*/
int btrfs_drop_snapshot(struct btrfs_root *root, int update_ref, int for_reloc)
{
- const bool is_reloc_root = (root->root_key.objectid ==
- BTRFS_TREE_RELOC_OBJECTID);
+ const bool is_reloc_root = (btrfs_root_id(root) == BTRFS_TREE_RELOC_OBJECTID);
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_path *path;
struct btrfs_trans_handle *trans;
@@ -5845,7 +5840,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root, int update_ref, int for_reloc)
bool root_dropped = false;
bool unfinished_drop = false;
- btrfs_debug(fs_info, "Drop subvolume %llu", root->root_key.objectid);
+ btrfs_debug(fs_info, "Drop subvolume %llu", btrfs_root_id(root));
path = btrfs_alloc_path();
if (!path) {
@@ -6043,8 +6038,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root, int update_ref, int for_reloc)
*
* The most common failure here is just -ENOENT.
*/
- btrfs_del_orphan_item(trans, tree_root,
- root->root_key.objectid);
+ btrfs_del_orphan_item(trans, tree_root, btrfs_root_id(root));
}
}
@@ -6108,7 +6102,7 @@ int btrfs_drop_subtree(struct btrfs_trans_handle *trans,
int ret = 0;
int wret;
- BUG_ON(root->root_key.objectid != BTRFS_TREE_RELOC_OBJECTID);
+ BUG_ON(btrfs_root_id(root) != BTRFS_TREE_RELOC_OBJECTID);
path = btrfs_alloc_path();
if (!path)
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-09 05:53:31 +0300