Subject: [PATCH 15/38] md/raid5: Replace deprecated CPU-hotplug functions.

The functions get_online_cpus() and put_online_cpus() have been
deprecated during the CPU hotplug rework. They map directly to
cpus_read_lock() and cpus_read_unlock().

Replace deprecated CPU-hotplug functions with the official version.
The behavior remains unchanged.

Cc: Song Liu <[email protected]>
Cc: [email protected]
Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
---
drivers/md/raid5.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index b8436e4930ed8..02ed53b20654c 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2437,7 +2437,7 @@ static int resize_chunks(struct r5conf *conf, int new_disks, int new_sectors)
conf->scribble_sectors >= new_sectors)
return 0;
mddev_suspend(conf->mddev);
- get_online_cpus();
+ cpus_read_lock();

for_each_present_cpu(cpu) {
struct raid5_percpu *percpu;
@@ -2449,7 +2449,7 @@ static int resize_chunks(struct r5conf *conf, int new_disks, int new_sectors)
break;
}

- put_online_cpus();
+ cpus_read_unlock();
mddev_resume(conf->mddev);
if (!err) {
conf->scribble_disks = new_disks;
--
2.32.0



2021-08-05 22:45:54

by Song Liu

[permalink] [raw]
Subject: Re: [PATCH 15/38] md/raid5: Replace deprecated CPU-hotplug functions.

On Tue, Aug 3, 2021 at 7:17 AM Sebastian Andrzej Siewior
<[email protected]> wrote:
>
> The functions get_online_cpus() and put_online_cpus() have been
> deprecated during the CPU hotplug rework. They map directly to
> cpus_read_lock() and cpus_read_unlock().
>
> Replace deprecated CPU-hotplug functions with the official version.
> The behavior remains unchanged.
>
> Cc: Song Liu <[email protected]>
> Cc: [email protected]
> Signed-off-by: Sebastian Andrzej Siewior <[email protected]>

Acked-by: Song Liu <[email protected]>

Subject: [tip: smp/core] md/raid5: Replace deprecated CPU-hotplug functions.

The following commit has been merged into the smp/core branch of tip:

Commit-ID: 252034e03f04e54acfb5f5924dd26ae638e3215e
Gitweb: https://git.kernel.org/tip/252034e03f04e54acfb5f5924dd26ae638e3215e
Author: Sebastian Andrzej Siewior <[email protected]>
AuthorDate: Tue, 03 Aug 2021 16:15:58 +02:00
Committer: Thomas Gleixner <[email protected]>
CommitterDate: Sat, 28 Aug 2021 01:46:17 +02:00

md/raid5: Replace deprecated CPU-hotplug functions.

The functions get_online_cpus() and put_online_cpus() have been
deprecated during the CPU hotplug rework. They map directly to
cpus_read_lock() and cpus_read_unlock().

Replace deprecated CPU-hotplug functions with the official version.
The behavior remains unchanged.

Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Acked-by: Song Liu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

---
drivers/md/raid5.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index b8436e4..02ed53b 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2437,7 +2437,7 @@ static int resize_chunks(struct r5conf *conf, int new_disks, int new_sectors)
conf->scribble_sectors >= new_sectors)
return 0;
mddev_suspend(conf->mddev);
- get_online_cpus();
+ cpus_read_lock();

for_each_present_cpu(cpu) {
struct raid5_percpu *percpu;
@@ -2449,7 +2449,7 @@ static int resize_chunks(struct r5conf *conf, int new_disks, int new_sectors)
break;
}

- put_online_cpus();
+ cpus_read_unlock();
mddev_resume(conf->mddev);
if (!err) {
conf->scribble_disks = new_disks;