From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 23 Nov 2017 17:51:51 +0100
Subject: Revert "fs: jbd2: pull your plug when waiting for space"
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git
Git-commit: d5bc2c7b2cc0e7525fd959ea5065a277fd7bf9e4
Patch-mainline: Queued in subsystem maintainer repository
References: SLE Realtime Extension

This reverts commit "fs: jbd2: pull your plug when waiting for space".
This was a duct-tape fix which shouldn't be needed since commit
"locking/rt-mutex: fix deadlock in device mapper / block-IO".

Cc: stable@vger.kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Mike Galbraith <mgalbraith@suse.de>
---
 fs/jbd2/checkpoint.c |    2 --
 1 file changed, 2 deletions(-)

--- a/fs/jbd2/checkpoint.c
+++ b/fs/jbd2/checkpoint.c
@@ -116,8 +116,6 @@ void __jbd2_log_wait_for_space(journal_t
 	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);
 
 		/*