diff options
Diffstat (limited to 'drivers/md/md.h')
| -rw-r--r-- | drivers/md/md.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index 7d6bcf0eba0c..fbc925cce810 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -468,6 +468,8 @@ struct mddev { void (*sync_super)(struct mddev *mddev, struct md_rdev *rdev); struct md_cluster_info *cluster_info; unsigned int good_device_nr; /* good device num within cluster raid */ + + bool has_superblocks:1; }; enum recovery_flags { @@ -485,6 +487,7 @@ enum recovery_flags { MD_RECOVERY_RESHAPE, /* A reshape is happening */ MD_RECOVERY_FROZEN, /* User request to abort, and not restart, any action */ MD_RECOVERY_ERROR, /* sync-action interrupted because io-error */ + MD_RECOVERY_WAIT, /* waiting for pers->start() to finish */ }; static inline int __must_check mddev_lock(struct mddev *mddev) @@ -523,7 +526,13 @@ struct md_personality struct list_head list; struct module *owner; bool (*make_request)(struct mddev *mddev, struct bio *bio); + /* + * start up works that do NOT require md_thread. tasks that + * requires md_thread should go into start() + */ int (*run)(struct mddev *mddev); + /* start up works that require md threads */ + int (*start)(struct mddev *mddev); void (*free)(struct mddev *mddev, void *priv); void (*status)(struct seq_file *seq, struct mddev *mddev); /* error_handler must set ->faulty and clear ->in_sync @@ -687,6 +696,7 @@ extern int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale); extern void mddev_init(struct mddev *mddev); extern int md_run(struct mddev *mddev); +extern int md_start(struct mddev *mddev); extern void md_stop(struct mddev *mddev); extern void md_stop_writes(struct mddev *mddev); extern int md_rdev_init(struct md_rdev *rdev); @@ -702,6 +712,7 @@ extern void md_reload_sb(struct mddev *mddev, int raid_disk); extern void md_update_sb(struct mddev *mddev, int force); extern void md_kick_rdev_from_array(struct md_rdev * rdev); struct md_rdev *md_find_rdev_nr_rcu(struct mddev *mddev, int nr); +struct md_rdev *md_find_rdev_rcu(struct mddev *mddev, dev_t dev); static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev) { |