From: Peter Zijlstra <peterz@infradead.org>
To: Ingo Molnar <mingo@kernel.org>, linux-kernel@vger.kernel.org
Cc: Dan Williams <dan.j.williams@intel.com>,
David Howells <dhowells@redhat.com>,
Daniel Vetter <daniel.vetter@intel.com>,
David Airlie <airlied@linux.ie>,
Stanimir Varbanov <stanimir.varbanov@linaro.org>,
Chris Mason <clm@fb.com>,
Anna Schumaker <anna.schumaker@netapp.com>,
Joel Becker <jlbec@evilplan.org>, James Hogan <jhogan@kernel.org>,
Ralf Baechle <ralf@linux-mips.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
George Spelvin <linux@sciencehorizons.net>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>
Subject: [PATCH 08/11] sched/wait,ocfs2: Replace wait_on_atomic_t usage
Date: Thu, 15 Mar 2018 13:19:10 +0100 [thread overview]
Message-ID: <20180315123202.735998040@infradead.org> (raw)
In-Reply-To: 20180315121902.942902000@infradead.org
[-- Attachment #1: peterz-wait_var-8.patch --]
[-- Type: text/plain, Size: 1046 bytes --]
Convert the wait_on_atomic_t() usage to the new wait_var_event() API.
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
fs/ocfs2/filecheck.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
--- a/fs/ocfs2/filecheck.c
+++ b/fs/ocfs2/filecheck.c
@@ -134,9 +134,10 @@ ocfs2_filecheck_sysfs_free(struct ocfs2_
{
struct ocfs2_filecheck_entry *p;
- if (!atomic_dec_and_test(&entry->fs_count))
- wait_on_atomic_t(&entry->fs_count, atomic_t_wait,
- TASK_UNINTERRUPTIBLE);
+ if (!atomic_dec_and_test(&entry->fs_count)) {
+ wait_var_event(&entry->fs_count,
+ !atomic_read(&entry->fs_count));
+ }
spin_lock(&entry->fs_fcheck->fc_lock);
while (!list_empty(&entry->fs_fcheck->fc_head)) {
@@ -183,7 +184,7 @@ static void
ocfs2_filecheck_sysfs_put(struct ocfs2_filecheck_sysfs_entry *entry)
{
if (atomic_dec_and_test(&entry->fs_count))
- wake_up_atomic_t(&entry->fs_count);
+ wake_up_var(&entry->fs_count);
}
static struct ocfs2_filecheck_sysfs_entry *
next prev parent reply other threads:[~2018-03-15 12:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-15 12:19 [PATCH 00/11] sched/wait: Replace wait_on_atomic_t() with wait_var_event() Peter Zijlstra
2018-03-15 12:19 ` [PATCH 01/11] sched/wait: Introduce wait_var_event() Peter Zijlstra
2018-03-19 16:45 ` Dan Williams
2018-03-15 12:19 ` [PATCH 02/11] sched/wait,drm: Replace wait_on_atomic_t usage Peter Zijlstra
2018-03-15 12:50 ` Chris Wilson
2018-03-15 12:19 ` [PATCH 03/11] sched/wait,media: " Peter Zijlstra
2018-03-15 12:19 ` [PATCH 04/11] sched/wait,afs: " Peter Zijlstra
2018-03-15 12:19 ` [PATCH 05/11] sched/wait,btrfs: " Peter Zijlstra
2018-03-15 20:17 ` David Sterba
2018-03-15 12:19 ` [PATCH 06/11] sched/wait,fscache: " Peter Zijlstra
2018-03-15 12:19 ` [PATCH 07/11] sched/wait,nfs: " Peter Zijlstra
2018-03-15 12:19 ` Peter Zijlstra [this message]
2018-03-15 12:19 ` [PATCH 09/11] sched/wait,mips: Fix and replace " Peter Zijlstra
2018-03-15 12:19 ` [PATCH 10/11] sched/wait: Remove wait_on_atomic_t() Peter Zijlstra
2018-03-15 12:19 ` [PATCH 11/11] sched/wait: Improve __var_waitqueue() Peter Zijlstra
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