btrfs: Remove fs_info from remove_extent_backref

It can be referenced directly from the transaction handle since it's
always valid.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 781e852..004c4e0 100644 (file)
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1998,7 +1998,6 @@ static int insert_extent_backref(struct btrfs_trans_handle *trans,
 }
 
 static int remove_extent_backref(struct btrfs_trans_handle *trans,
-                                struct btrfs_fs_info *fs_info,
                                 struct btrfs_path *path,
                                 struct btrfs_extent_inline_ref *iref,
                                 int refs_to_drop, int is_data, int *last_ref)
@@ -2014,7 +2013,7 @@ static int remove_extent_backref(struct btrfs_trans_handle *trans,
                                             last_ref);
        } else {
                *last_ref = 1;
-               ret = btrfs_del_item(trans, fs_info->extent_root, path);
+               ret = btrfs_del_item(trans, trans->fs_info->extent_root, path);
        }
        return ret;
 }
@@ -6896,7 +6895,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
 #endif
                if (!found_extent) {
                        BUG_ON(iref);
-                       ret = remove_extent_backref(trans, info, path, NULL,
+                       ret = remove_extent_backref(trans, path, NULL,
                                                    refs_to_drop,
                                                    is_data, &last_ref);
                        if (ret) {
@@ -7040,9 +7039,9 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
                        btrfs_mark_buffer_dirty(leaf);
                }
                if (found_extent) {
-                       ret = remove_extent_backref(trans, info, path,
-                                                   iref, refs_to_drop,
-                                                   is_data, &last_ref);
+                       ret = remove_extent_backref(trans, path, iref,
+                                                   refs_to_drop, is_data,
+                                                   &last_ref);
                        if (ret) {
                                btrfs_abort_transaction(trans, ret);
                                goto out;