diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 201de29d913c..aa08b9b78332 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -4019,7 +4019,7 @@ level_store(struct mddev *mddev, const char *buf, size_t len) if (slen == 0 || slen >= sizeof(clevel)) return -EINVAL; - rv = mddev_lock(mddev); + rv = mddev_suspend_and_lock(mddev); if (rv) return rv; @@ -4112,7 +4112,6 @@ level_store(struct mddev *mddev, const char *buf, size_t len) } /* Looks like we have a winner */ - mddev_suspend(mddev); mddev_detach(mddev); spin_lock(&mddev->lock); @@ -4198,14 +4197,13 @@ level_store(struct mddev *mddev, const char *buf, size_t len) blk_set_stacking_limits(&mddev->queue->limits); pers->run(mddev); set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags); - mddev_resume(mddev); if (!mddev->thread) md_update_sb(mddev, 1); sysfs_notify_dirent_safe(mddev->sysfs_level); md_new_event(); rv = len; out_unlock: - mddev_unlock(mddev); + mddev_unlock_and_resume(mddev); return rv; } @@ -5293,15 +5291,13 @@ suspend_lo_store(struct mddev *mddev, const char *buf, size_t len) if (new != (sector_t)new) return -EINVAL; - err = mddev_lock(mddev); + err = __mddev_suspend(mddev, true); if (err) return err; - mddev_suspend(mddev); WRITE_ONCE(mddev->suspend_lo, new); - mddev_resume(mddev); + __mddev_resume(mddev); - mddev_unlock(mddev); return len; } static struct md_sysfs_entry md_suspend_lo = @@ -5326,15 +5322,13 @@ suspend_hi_store(struct mddev *mddev, const char *buf, size_t len) if (new != (sector_t)new) return -EINVAL; - err = mddev_lock(mddev); + err = __mddev_suspend(mddev, true); if (err) return err; - mddev_suspend(mddev); WRITE_ONCE(mddev->suspend_hi, new); - mddev_resume(mddev); + __mddev_resume(mddev); - mddev_unlock(mddev); return len; } static struct md_sysfs_entry md_suspend_hi = @@ -5582,7 +5576,7 @@ serialize_policy_store(struct mddev *mddev, const char *buf, size_t len) if (value == mddev->serialize_policy) return len; - err = mddev_lock(mddev); + err = mddev_suspend_and_lock(mddev); if (err) return err; if (mddev->pers == NULL || (mddev->pers->level != 1)) { @@ -5591,15 +5585,13 @@ serialize_policy_store(struct mddev *mddev, const char *buf, size_t len) goto unlock; } - mddev_suspend(mddev); if (value) mddev_create_serial_pool(mddev, NULL, true); else mddev_destroy_serial_pool(mddev, NULL, true); mddev->serialize_policy = value; - mddev_resume(mddev); unlock: - mddev_unlock(mddev); + mddev_unlock_and_resume(mddev); return err ?: len; } |