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yaml
---
r: 318870
b: refs/heads/master
c: 097b8a7
h: refs/heads/master
v: v3
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Jan Schmidt committed Jul 10, 2012
1 parent 953184c commit 8315cac
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Showing 10 changed files with 241 additions and 220 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: cf5388307a2b4faab4b11d732b61c85741be6169
refs/heads/master: 097b8a7c9e48e2cb50fd0eb9315791921beaf484
30 changes: 9 additions & 21 deletions trunk/fs/btrfs/backref.c
Original file line number Diff line number Diff line change
Expand Up @@ -773,9 +773,8 @@ static int __add_keyed_refs(struct btrfs_fs_info *fs_info,
*/
static int find_parent_nodes(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, u64 bytenr,
u64 delayed_ref_seq, u64 time_seq,
struct ulist *refs, struct ulist *roots,
const u64 *extent_item_pos)
u64 time_seq, struct ulist *refs,
struct ulist *roots, const u64 *extent_item_pos)
{
struct btrfs_key key;
struct btrfs_path *path;
Expand Down Expand Up @@ -837,7 +836,7 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans,
btrfs_put_delayed_ref(&head->node);
goto again;
}
ret = __add_delayed_refs(head, delayed_ref_seq,
ret = __add_delayed_refs(head, time_seq,
&prefs_delayed);
mutex_unlock(&head->mutex);
if (ret) {
Expand Down Expand Up @@ -981,8 +980,7 @@ static void free_leaf_list(struct ulist *blocks)
*/
static int btrfs_find_all_leafs(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, u64 bytenr,
u64 delayed_ref_seq, u64 time_seq,
struct ulist **leafs,
u64 time_seq, struct ulist **leafs,
const u64 *extent_item_pos)
{
struct ulist *tmp;
Expand All @@ -997,7 +995,7 @@ static int btrfs_find_all_leafs(struct btrfs_trans_handle *trans,
return -ENOMEM;
}

ret = find_parent_nodes(trans, fs_info, bytenr, delayed_ref_seq,
ret = find_parent_nodes(trans, fs_info, bytenr,
time_seq, *leafs, tmp, extent_item_pos);
ulist_free(tmp);

Expand All @@ -1024,8 +1022,7 @@ static int btrfs_find_all_leafs(struct btrfs_trans_handle *trans,
*/
int btrfs_find_all_roots(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, u64 bytenr,
u64 delayed_ref_seq, u64 time_seq,
struct ulist **roots)
u64 time_seq, struct ulist **roots)
{
struct ulist *tmp;
struct ulist_node *node = NULL;
Expand All @@ -1043,7 +1040,7 @@ int btrfs_find_all_roots(struct btrfs_trans_handle *trans,

ULIST_ITER_INIT(&uiter);
while (1) {
ret = find_parent_nodes(trans, fs_info, bytenr, delayed_ref_seq,
ret = find_parent_nodes(trans, fs_info, bytenr,
time_seq, tmp, *roots, NULL);
if (ret < 0 && ret != -ENOENT) {
ulist_free(tmp);
Expand Down Expand Up @@ -1376,11 +1373,9 @@ int iterate_extent_inodes(struct btrfs_fs_info *fs_info,
struct ulist *roots = NULL;
struct ulist_node *ref_node = NULL;
struct ulist_node *root_node = NULL;
struct seq_list seq_elem = {};
struct seq_list tree_mod_seq_elem = {};
struct ulist_iterator ref_uiter;
struct ulist_iterator root_uiter;
struct btrfs_delayed_ref_root *delayed_refs = NULL;

pr_debug("resolving all inodes for extent %llu\n",
extent_item_objectid);
Expand All @@ -1391,25 +1386,19 @@ int iterate_extent_inodes(struct btrfs_fs_info *fs_info,
trans = btrfs_join_transaction(fs_info->extent_root);
if (IS_ERR(trans))
return PTR_ERR(trans);

delayed_refs = &trans->transaction->delayed_refs;
spin_lock(&delayed_refs->lock);
btrfs_get_delayed_seq(delayed_refs, &seq_elem);
spin_unlock(&delayed_refs->lock);
btrfs_get_tree_mod_seq(fs_info, &tree_mod_seq_elem);
}

ret = btrfs_find_all_leafs(trans, fs_info, extent_item_objectid,
seq_elem.seq, tree_mod_seq_elem.seq, &refs,
tree_mod_seq_elem.seq, &refs,
&extent_item_pos);
if (ret)
goto out;

ULIST_ITER_INIT(&ref_uiter);
while (!ret && (ref_node = ulist_next(refs, &ref_uiter))) {
ret = btrfs_find_all_roots(trans, fs_info, ref_node->val,
seq_elem.seq,
tree_mod_seq_elem.seq, &roots);
tree_mod_seq_elem.seq, &roots);
if (ret)
break;
ULIST_ITER_INIT(&root_uiter);
Expand All @@ -1431,7 +1420,6 @@ int iterate_extent_inodes(struct btrfs_fs_info *fs_info,
out:
if (!search_commit_root) {
btrfs_put_tree_mod_seq(fs_info, &tree_mod_seq_elem);
btrfs_put_delayed_seq(delayed_refs, &seq_elem);
btrfs_end_transaction(trans, fs_info->extent_root);
}

Expand Down
3 changes: 1 addition & 2 deletions trunk/fs/btrfs/backref.h
Original file line number Diff line number Diff line change
Expand Up @@ -58,8 +58,7 @@ int paths_from_inode(u64 inum, struct inode_fs_paths *ipath);

int btrfs_find_all_roots(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, u64 bytenr,
u64 delayed_ref_seq, u64 time_seq,
struct ulist **roots);
u64 time_seq, struct ulist **roots);

struct btrfs_data_container *init_data_container(u32 total_bytes);
struct inode_fs_paths *init_ipath(s32 total_bytes, struct btrfs_root *fs_root,
Expand Down
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