Merge tag 'sh-pfc-for-v5.1-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git...

[mirror_ubuntu-focal-kernel.git] / fs / btrfs / transaction.c

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 127fa1535f584e4dbaf201890e7613eb31e9ec6c..4ec2b660d014fcef0b71650ff23bf140722368d1 100644 (file)
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -850,14 +850,6 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans,
 
        btrfs_trans_release_chunk_metadata(trans);
 
-       if (lock && should_end_transaction(trans) &&
-           READ_ONCE(cur_trans->state) == TRANS_STATE_RUNNING) {
-               spin_lock(&info->trans_lock);
-               if (cur_trans->state == TRANS_STATE_RUNNING)
-                       cur_trans->state = TRANS_STATE_BLOCKED;
-               spin_unlock(&info->trans_lock);
-       }
-
        if (lock && READ_ONCE(cur_trans->state) == TRANS_STATE_BLOCKED) {
                if (throttle)
                        return btrfs_commit_transaction(trans);
@@ -1879,6 +1871,21 @@ static void cleanup_transaction(struct btrfs_trans_handle *trans, int err)
        kmem_cache_free(btrfs_trans_handle_cachep, trans);
 }
 
+/*
+ * Release reserved delayed ref space of all pending block groups of the
+ * transaction and remove them from the list
+ */
+static void btrfs_cleanup_pending_block_groups(struct btrfs_trans_handle *trans)
+{
+       struct btrfs_fs_info *fs_info = trans->fs_info;
+       struct btrfs_block_group_cache *block_group, *tmp;
+
+       list_for_each_entry_safe(block_group, tmp, &trans->new_bgs, bg_list) {
+               btrfs_delayed_refs_rsv_release(fs_info, 1);
+               list_del_init(&block_group->bg_list);
+       }
+}
+
 static inline int btrfs_start_delalloc_flush(struct btrfs_fs_info *fs_info)
 {
        /*
@@ -2270,6 +2277,7 @@ scrub_continue:
        btrfs_scrub_continue(fs_info);
 cleanup_transaction:
        btrfs_trans_release_metadata(trans);
+       btrfs_cleanup_pending_block_groups(trans);
        btrfs_trans_release_chunk_metadata(trans);
        trans->block_rsv = NULL;
        btrfs_warn(fs_info, "Skipping commit of aborted transaction.");