Apply preempt_rt patch-4.9-rt1.patch.xz

[zynq/linux.git] / fs / jbd2 / checkpoint.c

diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c
index 684996c8a3a4a2df646dc44c4ee4e90904470989..6e18a06aaabef1235fa79e1c2af3746710b081cc 100644 (file)
--- a/fs/jbd2/checkpoint.c
+++ b/fs/jbd2/checkpoint.c
@@ -116,6 +116,8 @@ void __jbd2_log_wait_for_space(journal_t *journal)
        nblocks = jbd2_space_needed(journal);
        while (jbd2_log_space_left(journal) < nblocks) {
                write_unlock(&journal->j_state_lock);
+               if (current->plug)
+                       io_schedule();
                mutex_lock(&journal->j_checkpoint_mutex);
 
                /*