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-rw-r--r--fs/btrfs/ctree.c22
-rw-r--r--fs/btrfs/disk-io.c4
-rw-r--r--fs/btrfs/extent-tree.c7
-rw-r--r--fs/btrfs/extent-tree.h1
-rw-r--r--fs/btrfs/ioctl.c2
5 files changed, 23 insertions, 13 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 2a51cac7f21d..2d29a488d67d 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -316,6 +316,7 @@ int btrfs_copy_root(struct btrfs_trans_handle *trans,
int ret = 0;
int level;
struct btrfs_disk_key disk_key;
+ u64 reloc_src_root = 0;
WARN_ON(test_bit(BTRFS_ROOT_SHAREABLE, &root->state) &&
trans->transid != fs_info->running_transaction->transid);
@@ -328,9 +329,11 @@ int btrfs_copy_root(struct btrfs_trans_handle *trans,
else
btrfs_node_key(buf, &disk_key, 0);
+ if (new_root_objectid == BTRFS_TREE_RELOC_OBJECTID)
+ reloc_src_root = btrfs_header_owner(buf);
cow = btrfs_alloc_tree_block(trans, root, 0, new_root_objectid,
&disk_key, level, buf->start, 0,
- BTRFS_NESTING_NEW_ROOT);
+ reloc_src_root, BTRFS_NESTING_NEW_ROOT);
if (IS_ERR(cow))
return PTR_ERR(cow);
@@ -522,6 +525,7 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
int last_ref = 0;
int unlock_orig = 0;
u64 parent_start = 0;
+ u64 reloc_src_root = 0;
if (*cow_ret == buf)
unlock_orig = 1;
@@ -540,12 +544,14 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
else
btrfs_node_key(buf, &disk_key, 0);
- if ((root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) && parent)
- parent_start = parent->start;
-
+ if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) {
+ if (parent)
+ parent_start = parent->start;
+ reloc_src_root = btrfs_header_owner(buf);
+ }
cow = btrfs_alloc_tree_block(trans, root, parent_start,
root->root_key.objectid, &disk_key, level,
- search_start, empty_size, nest);
+ search_start, empty_size, reloc_src_root, nest);
if (IS_ERR(cow))
return PTR_ERR(cow);
@@ -2983,7 +2989,7 @@ static noinline int insert_new_root(struct btrfs_trans_handle *trans,
c = btrfs_alloc_tree_block(trans, root, 0, root->root_key.objectid,
&lower_key, level, root->node->start, 0,
- BTRFS_NESTING_NEW_ROOT);
+ 0, BTRFS_NESTING_NEW_ROOT);
if (IS_ERR(c))
return PTR_ERR(c);
@@ -3127,7 +3133,7 @@ static noinline int split_node(struct btrfs_trans_handle *trans,
split = btrfs_alloc_tree_block(trans, root, 0, root->root_key.objectid,
&disk_key, level, c->start, 0,
- BTRFS_NESTING_SPLIT);
+ 0, BTRFS_NESTING_SPLIT);
if (IS_ERR(split))
return PTR_ERR(split);
@@ -3878,7 +3884,7 @@ again:
* use BTRFS_NESTING_NEW_ROOT.
*/
right = btrfs_alloc_tree_block(trans, root, 0, root->root_key.objectid,
- &disk_key, 0, l->start, 0,
+ &disk_key, 0, l->start, 0, 0,
num_doubles ? BTRFS_NESTING_NEW_ROOT :
BTRFS_NESTING_SPLIT);
if (IS_ERR(right))
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index dc577b3c53f6..fc6adbc287e8 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -859,7 +859,7 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans,
root->root_key.offset = 0;
leaf = btrfs_alloc_tree_block(trans, root, 0, objectid, NULL, 0, 0, 0,
- BTRFS_NESTING_NORMAL);
+ 0, BTRFS_NESTING_NORMAL);
if (IS_ERR(leaf)) {
ret = PTR_ERR(leaf);
leaf = NULL;
@@ -936,7 +936,7 @@ int btrfs_alloc_log_tree_node(struct btrfs_trans_handle *trans,
*/
leaf = btrfs_alloc_tree_block(trans, root, 0, BTRFS_TREE_LOG_OBJECTID,
- NULL, 0, 0, 0, BTRFS_NESTING_NORMAL);
+ NULL, 0, 0, 0, 0, BTRFS_NESTING_NORMAL);
if (IS_ERR(leaf))
return PTR_ERR(leaf);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 8372d065aef4..3ad8aec22b8d 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5077,6 +5077,7 @@ struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans,
const struct btrfs_disk_key *key,
int level, u64 hint,
u64 empty_size,
+ u64 reloc_src_root,
enum btrfs_lock_nesting nest)
{
struct btrfs_fs_info *fs_info = root->fs_info;
@@ -5089,6 +5090,7 @@ struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans,
int ret;
u32 blocksize = fs_info->nodesize;
bool skinny_metadata = btrfs_fs_incompat(fs_info, SKINNY_METADATA);
+ u64 owning_root;
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
if (btrfs_is_testing(fs_info)) {
@@ -5115,11 +5117,13 @@ struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans,
ret = PTR_ERR(buf);
goto out_free_reserved;
}
+ owning_root = btrfs_header_owner(buf);
if (root_objectid == BTRFS_TREE_RELOC_OBJECTID) {
if (parent == 0)
parent = ins.objectid;
flags |= BTRFS_BLOCK_FLAG_FULL_BACKREF;
+ owning_root = reloc_src_root;
} else
BUG_ON(parent > 0);
@@ -5139,8 +5143,7 @@ struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans,
extent_op->level = level;
btrfs_init_generic_ref(&generic_ref, BTRFS_ADD_DELAYED_EXTENT,
- ins.objectid, ins.offset, parent,
- btrfs_header_owner(buf));
+ ins.objectid, ins.offset, parent, owning_root);
btrfs_init_tree_ref(&generic_ref, level, root_objectid,
root->root_key.objectid, false);
btrfs_ref_tree_mod(fs_info, &generic_ref);
diff --git a/fs/btrfs/extent-tree.h b/fs/btrfs/extent-tree.h
index 3c435395db06..0716f65d9753 100644
--- a/fs/btrfs/extent-tree.h
+++ b/fs/btrfs/extent-tree.h
@@ -114,6 +114,7 @@ struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans,
const struct btrfs_disk_key *key,
int level, u64 hint,
u64 empty_size,
+ u64 reloc_src_root,
enum btrfs_lock_nesting nest);
void btrfs_free_tree_block(struct btrfs_trans_handle *trans,
u64 root_id,
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 6603b6fff93f..6dc089a9a548 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -657,7 +657,7 @@ static noinline int create_subvol(struct mnt_idmap *idmap,
goto out;
leaf = btrfs_alloc_tree_block(trans, root, 0, objectid, NULL, 0, 0, 0,
- BTRFS_NESTING_NORMAL);
+ 0, BTRFS_NESTING_NORMAL);
if (IS_ERR(leaf)) {
ret = PTR_ERR(leaf);
goto out;
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-28 00:28:56 +0000