diff options
Diffstat (limited to 'drivers/md/md.h')
| -rw-r--r-- | drivers/md/md.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index a536f545809..7ab5ea15545 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -150,6 +150,12 @@ struct mddev_s int external_size; /* size managed * externally */ __u64 events; + /* If the last 'event' was simply a clean->dirty transition, and + * we didn't write it to the spares, then it is safe and simple + * to just decrement the event count on a dirty->clean transition. + * So we record that possibility here. + */ + int can_decrease_events; char uuid[16]; |