From: Andrey Zhadchenko <andrey.zhadchenko@virtuozzo.com>
To: khorenko@virtuozzo.com, alexander.ivanov@virtuozzo.com
Cc: devel@openvz.org
Subject: [Devel] [PATCH hci-8.1 v6 3/7] dm/push_backup: clear pb->alive under pb->lock
Date: Wed, 4 Nov 2026 11:38:14 +0300 [thread overview]
Message-ID: <20261104083818.856720-4-andrey.zhadchenko@virtuozzo.com> (raw)
In-Reply-To: <20261104083818.856720-1-andrey.zhadchenko@virtuozzo.com>
Most other users handle this under the pb->lock so let's
make it a bit more consistent.
https://virtuozzo.atlassian.net/browse/VSTOR-152912
Feature: dm-backup: push backup target driver
Signed-off-by: Andrey Zhadchenko <andrey.zhadchenko@virtuozzo.com>
Reviewed-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com>
---
v2: reworded the commit message, dropped the KCSAN claim
v3: no changes
v4: no changes
v5: no changes
v6: subject prefix changed to dm/push_backup, added Feature: tag
drivers/md/dm-push-backup.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/md/dm-push-backup.c b/drivers/md/dm-push-backup.c
index 48d6d6a59daf4..5c4f3d625fb82 100644
--- a/drivers/md/dm-push-backup.c
+++ b/drivers/md/dm-push-backup.c
@@ -581,7 +581,9 @@ static int pb_message(struct dm_target *ti, unsigned int argc, char **argv,
if (!pb->map)
return -EBADF;
+ spin_lock_irq(&pb->lock);
pb->alive = false;
+ spin_unlock_irq(&pb->lock);
wake_up_interruptible(&pb->waitq); /* pb->alive = false */
}
--
2.43.5
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next prev parent reply other threads:[~2026-11-04 8:44 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-04 8:38 [Devel] [PATCH hci-8.1 v6 0/7] dm/push_backup: event fd interface and fixes Andrey Zhadchenko
2026-11-04 8:38 ` [Devel] [PATCH hci-8.1 v6 1/7] dm/push_backup: correct initialization Andrey Zhadchenko
2026-11-04 8:45 ` no-reply
2026-11-04 8:38 ` [Devel] [PATCH hci-8.1 v6 2/7] dm/push_backup: return error if workqueue allocation fails Andrey Zhadchenko
2026-11-04 8:46 ` no-reply
2026-11-04 8:38 ` Andrey Zhadchenko [this message]
2026-11-04 8:46 ` [Devel] [PATCH hci-8.1 v6 3/7] dm/push_backup: clear pb->alive under pb->lock no-reply
2026-11-04 8:38 ` [Devel] [PATCH hci-8.1 v6 4/7] dm/push_backup: fix mod_timer() usage Andrey Zhadchenko
2026-11-04 8:47 ` no-reply
2026-11-04 8:38 ` [Devel] [PATCH hci-8.1 v6 5/7] dm/push_backup: arm deadline timer under pb->lock Andrey Zhadchenko
2026-11-04 8:48 ` no-reply
2026-11-04 8:38 ` [Devel] [PATCH hci-8.1 v6 6/7] dm/push_backup: do not re-arm deadline timer in push_backup_write() Andrey Zhadchenko
2026-11-04 8:50 ` no-reply
2026-11-04 8:38 ` [Devel] [PATCH hci-8.1 v6 7/7] dm/push_backup: add event file descriptor interface Andrey Zhadchenko
2026-11-04 8:52 ` no-reply
2026-11-04 18:46 ` [Devel] [PATCH hci-8.1 v6 0/7] dm/push_backup: event fd interface and fixes Konstantin Khorenko
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