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path: root/drivers/md/md.c
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Diffstat (limited to 'drivers/md/md.c')
-rw-r--r--drivers/md/md.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 707e802d0082..1958a14a0c79 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4844,7 +4844,7 @@ action_store(struct mddev *mddev, const char *page, size_t len)
flush_workqueue(md_misc_wq);
if (mddev->sync_thread) {
set_bit(MD_RECOVERY_INTR, &mddev->recovery);
- md_reap_sync_thread(mddev);
+ md_reap_sync_thread(mddev, true);
}
mddev_unlock(mddev);
}
@@ -6213,7 +6213,7 @@ static void __md_stop_writes(struct mddev *mddev)
flush_workqueue(md_misc_wq);
if (mddev->sync_thread) {
set_bit(MD_RECOVERY_INTR, &mddev->recovery);
- md_reap_sync_thread(mddev);
+ md_reap_sync_thread(mddev, true);
}
del_timer_sync(&mddev->safemode_timer);
@@ -9324,7 +9324,7 @@ void md_check_recovery(struct mddev *mddev)
* ->spare_active and clear saved_raid_disk
*/
set_bit(MD_RECOVERY_INTR, &mddev->recovery);
- md_reap_sync_thread(mddev);
+ md_reap_sync_thread(mddev, true);
clear_bit(MD_RECOVERY_RECOVER, &mddev->recovery);
clear_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
clear_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags);
@@ -9359,7 +9359,7 @@ void md_check_recovery(struct mddev *mddev)
goto unlock;
}
if (mddev->sync_thread) {
- md_reap_sync_thread(mddev);
+ md_reap_sync_thread(mddev, true);
goto unlock;
}
/* Set RUNNING before clearing NEEDED to avoid
@@ -9432,14 +9432,18 @@ void md_check_recovery(struct mddev *mddev)
}
EXPORT_SYMBOL(md_check_recovery);
-void md_reap_sync_thread(struct mddev *mddev)
+void md_reap_sync_thread(struct mddev *mddev, bool reconfig_mutex_held)
{
struct md_rdev *rdev;
sector_t old_dev_sectors = mddev->dev_sectors;
bool is_reshaped = false;
+ if (reconfig_mutex_held)
+ mddev_unlock(mddev);
/* resync has finished, collect result */
md_unregister_thread(&mddev->sync_thread);
+ if (reconfig_mutex_held)
+ mddev_lock_nointr(mddev);
if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery) &&
!test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery) &&
mddev->degraded != mddev->raid_disks) {