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btrfs: extent-tree: Use btrfs_ref to refactor btrfs_inc_extent_ref()

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Use the new btrfs_ref structure and replace parameter list to clean up
the usage of owner and level to distinguish the extent types.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo
2019-04-04 14:45:35 +08:00
committed by David Sterba
parent ddf30cf03f
commit 82fa113fcc
7 changed files with 96 additions and 61 deletions
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10
fs/btrfs/inode.c
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@@ -2519,6 +2519,7 @@ static noinline int relink_extent_backref(struct btrfs_path *path,
struct btrfs_file_extent_item *item;
struct btrfs_ordered_extent *ordered;
struct btrfs_trans_handle *trans;
struct btrfs_ref ref = { 0 };
struct btrfs_root *root;
struct btrfs_key key;
struct extent_buffer *leaf;
@@ -2689,10 +2690,11 @@ again:
inode_add_bytes(inode, len);
btrfs_release_path(path);
ret = btrfs_inc_extent_ref(trans, root, new->bytenr,
new->disk_len, 0,
backref->root_id, backref->inum,
new->file_pos); /* start - extent_offset */
btrfs_init_generic_ref(&ref, BTRFS_ADD_DELAYED_REF, new->bytenr,
new->disk_len, 0);
btrfs_init_data_ref(&ref, backref->root_id, backref->inum,
new->file_pos); /* start - extent_offset */
ret = btrfs_inc_extent_ref(trans, &ref);
if (ret) {
btrfs_abort_transaction(trans, ret);
goto out_free_path;