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btrfs: don't use extent_root in iterate_extent_inodes 

We are going to have many extent_roots soon, and we don't need a root
here necessarily as we're not modifying anything, we're just getting the
trans handle so we can have an accurate view of references, so use the
tree_root here.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2021-11-05 16:45:42 -04:00 committed by David Sterba
parent fd51eb2f07
commit 30a9da5d8d
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/backref.c
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@ -1969,7 +1969,7 @@ int iterate_extent_inodes(struct btrfs_fs_info *fs_info,
extent_item_objectid);
if (!search_commit_root) {
trans = btrfs_attach_transaction(fs_info->extent_root);
trans = btrfs_attach_transaction(fs_info->tree_root);
if (IS_ERR(trans)) {
if (PTR_ERR(trans) != -ENOENT &&
PTR_ERR(trans) != -EROFS)