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From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org,
	linux-rt-users <linux-rt-users@vger.kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Carsten Emde <C.Emde@osadl.org>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	John Kacur <jkacur@redhat.com>,
	Paul Gortmaker <paul.gortmaker@windriver.com>,
	Julia Cartwright <julia@ni.com>,
	Daniel Wagner <daniel.wagner@siemens.com>,
	tom.zanussi@linux.intel.com, Alex Shi <alex.shi@linaro.org>,
	stable-rt@vger.kernel.org
Subject: [PATCH RT 02/15] Revert "fs: jbd2: pull your plug when waiting for space"
Date: Fri, 01 Dec 2017 19:01:51 -0500	[thread overview]
Message-ID: <20171202000427.022777641@goodmis.org> (raw)
In-Reply-To: 20171202000149.842718953@goodmis.org

[-- Attachment #1: 0002-Revert-fs-jbd2-pull-your-plug-when-waiting-for-space.patch --]
[-- Type: text/plain, Size: 1044 bytes --]

4.9.65-rt57-rc2 stable review patch.
If anyone has any objections, please let me know.

------------------

From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

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-rt@vger.kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
 fs/jbd2/checkpoint.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c
index 6e18a06aaabe..684996c8a3a4 100644
--- a/fs/jbd2/checkpoint.c
+++ b/fs/jbd2/checkpoint.c
@@ -116,8 +116,6 @@ 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);
 
 		/*
-- 
2.13.2

  parent reply	other threads:[~2017-12-02  0:07 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-02  0:01 [PATCH RT 00/15] Linux 4.9.65-rt57-rc2 Steven Rostedt
2017-12-02  0:01 ` [PATCH RT 01/15] Revert "memcontrol: Prevent scheduling while atomic in cgroup code" Steven Rostedt
2017-12-02  0:01 ` Steven Rostedt [this message]
2017-12-04  8:37   ` [PATCH RT 02/15] Revert "fs: jbd2: pull your plug when waiting for space" Sebastian Andrzej Siewior
2017-12-08 18:13     ` Steven Rostedt
2017-12-02  0:01 ` [PATCH RT 03/15] rtmutex: Fix lock stealing logic Steven Rostedt
2017-12-02  0:01 ` [PATCH RT 04/15] cpu_pm: replace raw_notifier to atomic_notifier Steven Rostedt
2017-12-02  0:01 ` [PATCH RT 05/15] PM / CPU: replace raw_notifier with atomic_notifier (fixup) Steven Rostedt
2017-12-02  0:01 ` [PATCH RT 06/15] kernel/hrtimer: migrate deferred timer on CPU down Steven Rostedt
2017-12-02  0:01 ` [PATCH RT 07/15] net: take the tcp_sk_lock lock with BH disabled Steven Rostedt
2017-12-02  0:01 ` [PATCH RT 08/15] kernel/hrtimer: dont wakeup a process while holding the hrtimer base lock Steven Rostedt
2017-12-02  0:01 ` [PATCH RT 09/15] kernel/hrtimer/hotplug: dont wake ktimersoftd " Steven Rostedt
2017-12-02  0:01 ` [PATCH RT 10/15] Bluetooth: avoid recursive locking in hci_send_to_channel() Steven Rostedt
2017-12-02  0:02 ` [PATCH RT 11/15] iommu/amd: Use raw_cpu_ptr() instead of get_cpu_ptr() for ->flush_queue Steven Rostedt
2017-12-02  0:02 ` [PATCH RT 12/15] rt/locking: allow recursive local_trylock() Steven Rostedt
2017-12-02  0:02 ` [PATCH RT 13/15] locking/rtmutex: dont drop the wait_lock twice Steven Rostedt
2017-12-02  0:02 ` [PATCH RT 14/15] net: use trylock in icmp_sk Steven Rostedt
2017-12-02  0:02 ` [PATCH RT 15/15] Linux 4.9.65-rt57-rc2 Steven Rostedt
  -- strict thread matches above, loose matches on Subject: below --
2017-12-01 15:49 [PATCH RT 00/15] Linux 4.9.65-rt57-rc1 Steven Rostedt
2017-12-01 15:50 ` [PATCH RT 02/15] Revert "fs: jbd2: pull your plug when waiting for space" Steven Rostedt
2017-12-01 15:48 [PATCH RT 00/15] Linux Steven Rostedt
2017-12-01 15:48 ` [PATCH RT 02/15] Revert "fs: jbd2: pull your plug when waiting for space" Steven Rostedt

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