From: Yu Kuai <[email protected]> The helper will be used for dm-raid456 later to detect the case that reshape can't make progress.
Signed-off-by: Yu Kuai <[email protected]> --- drivers/md/md.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/md/md.h b/drivers/md/md.h index 09368517cc6c..b961c1b4ead7 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -570,6 +570,25 @@ static inline bool md_is_rdwr(struct mddev *mddev) return (mddev->ro == MD_RDWR); } +static inline bool reshape_interrupted(struct mddev *mddev) +{ + /* reshape never start */ + if (mddev->reshape_position == MaxSector) + return false; + + /* interrupted */ + if (!test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) + return true; + + /* running reshape will be interrupted soon. */ + if (test_bit(MD_RECOVERY_WAIT, &mddev->recovery) || + test_bit(MD_RECOVERY_INTR, &mddev->recovery) || + test_bit(MD_RECOVERY_FROZEN, &mddev->recovery)) + return true; + + return false; +} + static inline int __must_check mddev_lock(struct mddev *mddev) { return mutex_lock_interruptible(&mddev->reconfig_mutex); -- 2.39.2
