diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/md.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index aa08b9b78332..56523bac5140 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2940,11 +2940,7 @@ static int add_bound_rdev(struct md_rdev *rdev) */ super_types[mddev->major_version]. validate_super(mddev, rdev); - if (add_journal) - mddev_suspend(mddev); err = mddev->pers->hot_add_disk(mddev, rdev); - if (add_journal) - mddev_resume(mddev); if (err) { md_kick_rdev_from_array(rdev); return err; @@ -3697,6 +3693,7 @@ rdev_attr_store(struct kobject *kobj, struct attribute *attr, struct rdev_sysfs_entry *entry = container_of(attr, struct rdev_sysfs_entry, attr); struct md_rdev *rdev = container_of(kobj, struct md_rdev, kobj); struct kernfs_node *kn = NULL; + bool suspend = false; ssize_t rv; struct mddev *mddev = rdev->mddev; @@ -3704,17 +3701,23 @@ rdev_attr_store(struct kobject *kobj, struct attribute *attr, return -EIO; if (!capable(CAP_SYS_ADMIN)) return -EACCES; + if (!mddev) + return -ENODEV; - if (entry->store == state_store && cmd_match(page, "remove")) - kn = sysfs_break_active_protection(kobj, attr); + if (entry->store == state_store) { + if (cmd_match(page, "remove")) + kn = sysfs_break_active_protection(kobj, attr); + if (cmd_match(page, "remove") || cmd_match(page, "re-add")) + suspend = true; + } - rv = mddev ? mddev_lock(mddev) : -ENODEV; + rv = suspend ? mddev_suspend_and_lock(mddev) : mddev_lock(mddev); if (!rv) { if (rdev->mddev == NULL) rv = -ENODEV; else rv = entry->store(rdev, page, length); - mddev_unlock(mddev); + suspend ? mddev_unlock_and_resume(mddev) : mddev_unlock(mddev); } if (kn) |