diff options
Diffstat (limited to 'drivers/md/md.h')
| -rw-r--r-- | drivers/md/md.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index 03cec5bdcaae..f0d15bdd96d4 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -386,7 +386,13 @@ struct mddev { struct work_struct del_work; /* used for delayed sysfs removal */ - spinlock_t write_lock; + /* "lock" protects: + * flush_bio transition from NULL to !NULL + * rdev superblocks, events + * clearing MD_CHANGE_* + * in_sync - and related safemode and MD_CHANGE changes + */ + spinlock_t lock; wait_queue_head_t sb_wait; /* for waiting on superblock updates */ atomic_t pending_writes; /* number of active superblock writes */ |