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-rw-r--r--fs/btrfs/transaction.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 2869b3361eb6..01b143605ec1 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -687,7 +687,13 @@ static noinline int wait_transaction_pre_flush(struct btrfs_fs_info *info)
prepare_to_wait(&info->transaction_wait, &wait,
TASK_UNINTERRUPTIBLE);
mutex_unlock(&info->trans_mutex);
+
+ atomic_dec(&info->throttles);
+ wake_up(&info->transaction_throttle);
+
schedule();
+
+ atomic_inc(&info->throttles);
mutex_lock(&info->trans_mutex);
finish_wait(&info->transaction_wait, &wait);
}