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-rw-r--r--fs/btrfs/backref.c6
-rw-r--r--fs/btrfs/ctree.c8
-rw-r--r--fs/btrfs/disk-io.c14
-rw-r--r--fs/btrfs/disk-io.h4
-rw-r--r--fs/btrfs/extent-tree.c4
-rw-r--r--fs/btrfs/print-tree.c1
-rw-r--r--fs/btrfs/qgroup.c2
-rw-r--r--fs/btrfs/relocation.c4
8 files changed, 25 insertions, 18 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 86abe34e9444..02d7d7b2563b 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -783,8 +783,8 @@ static int add_missing_keys(struct btrfs_fs_info *fs_info,
BUG_ON(ref->key_for_search.type);
BUG_ON(!ref->wanted_disk_byte);
- eb = read_tree_block(fs_info, ref->wanted_disk_byte, 0,
- ref->level - 1, NULL);
+ eb = read_tree_block(fs_info, ref->wanted_disk_byte,
+ ref->root_id, 0, ref->level - 1, NULL);
if (IS_ERR(eb)) {
free_pref(ref);
return PTR_ERR(eb);
@@ -1331,7 +1331,7 @@ again:
struct extent_buffer *eb;
eb = read_tree_block(fs_info, ref->parent, 0,
- ref->level, NULL);
+ 0, ref->level, NULL);
if (IS_ERR(eb)) {
ret = PTR_ERR(eb);
goto out;
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 467f90af5563..e2673c29e733 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -1353,7 +1353,8 @@ get_old_root(struct btrfs_root *root, u64 time_seq)
if (old_root && tm && tm->op != MOD_LOG_KEY_REMOVE_WHILE_FREEING) {
btrfs_tree_read_unlock(eb_root);
free_extent_buffer(eb_root);
- old = read_tree_block(fs_info, logical, 0, level, NULL);
+ old = read_tree_block(fs_info, logical, root->root_key.objectid,
+ 0, level, NULL);
if (WARN_ON(IS_ERR(old) || !extent_buffer_uptodate(old))) {
if (!IS_ERR(old))
free_extent_buffer(old);
@@ -1760,6 +1761,7 @@ struct extent_buffer *btrfs_read_node_slot(struct extent_buffer *parent,
btrfs_node_key_to_cpu(parent, &first_key, slot);
eb = read_tree_block(parent->fs_info, btrfs_node_blockptr(parent, slot),
+ btrfs_header_owner(parent),
btrfs_node_ptr_generation(parent, slot),
level - 1, &first_key);
if (!IS_ERR(eb) && !extent_buffer_uptodate(eb)) {
@@ -2349,8 +2351,8 @@ read_block_for_search(struct btrfs_root *root, struct btrfs_path *p,
reada_for_search(fs_info, p, level, slot, key->objectid);
ret = -EAGAIN;
- tmp = read_tree_block(fs_info, blocknr, gen, parent_level - 1,
- &first_key);
+ tmp = read_tree_block(fs_info, blocknr, root->root_key.objectid,
+ gen, parent_level - 1, &first_key);
if (!IS_ERR(tmp)) {
/*
* If the read above didn't mark this buffer up to date,
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 012e66601270..763121380942 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -966,13 +966,14 @@ struct extent_buffer *btrfs_find_create_tree_block(
* Read tree block at logical address @bytenr and do variant basic but critical
* verification.
*
+ * @owner_root: the objectid of the root owner for this block.
* @parent_transid: expected transid of this tree block, skip check if 0
* @level: expected level, mandatory check
* @first_key: expected key in slot 0, skip check if NULL
*/
struct extent_buffer *read_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr,
- u64 parent_transid, int level,
- struct btrfs_key *first_key)
+ u64 owner_root, u64 parent_transid,
+ int level, struct btrfs_key *first_key)
{
struct extent_buffer *buf = NULL;
int ret;
@@ -1295,7 +1296,7 @@ static struct btrfs_root *read_tree_root_path(struct btrfs_root *tree_root,
level = btrfs_root_level(&root->root_item);
root->node = read_tree_block(fs_info,
btrfs_root_bytenr(&root->root_item),
- generation, level, NULL);
+ key->objectid, generation, level, NULL);
if (IS_ERR(root->node)) {
ret = PTR_ERR(root->node);
root->node = NULL;
@@ -2249,8 +2250,9 @@ static int btrfs_replay_log(struct btrfs_fs_info *fs_info,
return -ENOMEM;
log_tree_root->node = read_tree_block(fs_info, bytenr,
- fs_info->generation + 1,
- level, NULL);
+ BTRFS_TREE_LOG_OBJECTID,
+ fs_info->generation + 1, level,
+ NULL);
if (IS_ERR(log_tree_root->node)) {
btrfs_warn(fs_info, "failed to read log tree");
ret = PTR_ERR(log_tree_root->node);
@@ -2636,6 +2638,7 @@ static int __cold init_tree_roots(struct btrfs_fs_info *fs_info)
generation = btrfs_super_generation(sb);
level = btrfs_super_root_level(sb);
tree_root->node = read_tree_block(fs_info, btrfs_super_root(sb),
+ BTRFS_ROOT_TREE_OBJECTID,
generation, level, NULL);
if (IS_ERR(tree_root->node)) {
handle_error = true;
@@ -3124,6 +3127,7 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device
chunk_root->node = read_tree_block(fs_info,
btrfs_super_chunk_root(disk_super),
+ BTRFS_CHUNK_TREE_OBJECTID,
generation, level, NULL);
if (IS_ERR(chunk_root->node) ||
!extent_buffer_uptodate(chunk_root->node)) {
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index 009f505d6c97..41588babf2ed 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -43,8 +43,8 @@ void btrfs_init_fs_info(struct btrfs_fs_info *fs_info);
int btrfs_verify_level_key(struct extent_buffer *eb, int level,
struct btrfs_key *first_key, u64 parent_transid);
struct extent_buffer *read_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr,
- u64 parent_transid, int level,
- struct btrfs_key *first_key);
+ u64 owner_root, u64 parent_transid,
+ int level, struct btrfs_key *first_key);
struct extent_buffer *btrfs_find_create_tree_block(
struct btrfs_fs_info *fs_info,
u64 bytenr);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 5d54819aada7..90f1ec0802bd 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5077,8 +5077,8 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans,
if (!next) {
if (reada && level == 1)
reada_walk_down(trans, root, wc, path);
- next = read_tree_block(fs_info, bytenr, generation, level - 1,
- &first_key);
+ next = read_tree_block(fs_info, bytenr, root->root_key.objectid,
+ generation, level - 1, &first_key);
if (IS_ERR(next)) {
return PTR_ERR(next);
} else if (!extent_buffer_uptodate(next)) {
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index 8db99117531d..fe5e0026129d 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -390,6 +390,7 @@ void btrfs_print_tree(struct extent_buffer *c, bool follow)
btrfs_node_key_to_cpu(c, &first_key, i);
next = read_tree_block(fs_info, btrfs_node_blockptr(c, i),
+ btrfs_header_owner(c),
btrfs_node_ptr_generation(c, i),
level - 1, &first_key);
if (IS_ERR(next)) {
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 9ba1e62a6533..fe3046007f52 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -4208,7 +4208,7 @@ int btrfs_qgroup_trace_subtree_after_cow(struct btrfs_trans_handle *trans,
spin_unlock(&blocks->lock);
/* Read out reloc subtree root */
- reloc_eb = read_tree_block(fs_info, block->reloc_bytenr,
+ reloc_eb = read_tree_block(fs_info, block->reloc_bytenr, 0,
block->reloc_generation, block->level,
&block->first_key);
if (IS_ERR(reloc_eb)) {
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 9f80f5352dfd..7ebada33502f 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -2413,7 +2413,7 @@ static int get_tree_block_key(struct btrfs_fs_info *fs_info,
{
struct extent_buffer *eb;
- eb = read_tree_block(fs_info, block->bytenr, block->key.offset,
+ eb = read_tree_block(fs_info, block->bytenr, 0, block->key.offset,
block->level, NULL);
if (IS_ERR(eb)) {
return PTR_ERR(eb);
@@ -3038,7 +3038,7 @@ int add_data_references(struct reloc_control *rc,
while ((ref_node = ulist_next(leaves, &leaf_uiter))) {
struct extent_buffer *eb;
- eb = read_tree_block(fs_info, ref_node->val, 0, 0, NULL);
+ eb = read_tree_block(fs_info, ref_node->val, 0, 0, 0, NULL);
if (IS_ERR(eb)) {
ret = PTR_ERR(eb);
break;