diff options
Diffstat (limited to 'drivers/md/raid5.h')
| -rw-r--r-- | drivers/md/raid5.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index c2f37f25ef4..b2edcc434e4 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -337,11 +337,16 @@ struct raid5_private_data { int raid_disks; int max_nr_stripes; - /* used during an expand */ - sector_t expand_progress; /* MaxSector when no expand happening */ - sector_t expand_lo; /* from here up to expand_progress it out-of-bounds - * as we haven't flushed the metadata yet - */ + /* reshape_progress is the leading edge of a 'reshape' + * It has value MaxSector when no reshape is happening + * If delta_disks < 0, it is the last sector we started work on, + * else is it the next sector to work on. + */ + sector_t reshape_progress; + /* reshape_safe is the trailing edge of a reshape. We know that + * before (or after) this address, all reshape has completed. + */ + sector_t reshape_safe; int previous_raid_disks; struct list_head handle_list; /* stripes needing handling */ |