diff options
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 8ee079c4dc1e..09686d8db983 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -91,6 +91,18 @@ static void mddev_detach(struct mddev *mddev); static void export_rdev(struct md_rdev *rdev, struct mddev *mddev); static void md_wakeup_thread_directly(struct md_thread __rcu *thread); +enum md_ro_state { + MD_RDWR, + MD_RDONLY, + MD_AUTO_READ, + MD_MAX_STATE +}; + +static bool md_is_rdwr(struct mddev *mddev) +{ + return (mddev->ro == MD_RDWR); +} + /* * Default number of read corrections we'll attempt on an rdev * before ejecting it from the array. We divide the read error @@ -333,6 +345,10 @@ EXPORT_SYMBOL_GPL(md_new_event); static LIST_HEAD(all_mddevs); static DEFINE_SPINLOCK(all_mddevs_lock); +static bool is_md_suspended(struct mddev *mddev) +{ + return percpu_ref_is_dying(&mddev->active_io); +} /* Rather than calling directly into the personality make_request function, * IO requests come here first so that we can check if the device is * being suspended pending a reconfiguration. @@ -9144,7 +9160,6 @@ void md_do_sync(struct md_thread *thread) spin_unlock(&mddev->lock); wake_up(&resync_wait); - wake_up(&mddev->sb_wait); md_wakeup_thread(mddev->thread); return; } |