diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/raid/raid5.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/raid/raid5.h b/include/linux/raid/raid5.h index b7b2653af7b..6fa274aea2a 100644 --- a/include/linux/raid/raid5.h +++ b/include/linux/raid/raid5.h @@ -135,6 +135,7 @@ struct stripe_head { atomic_t count; /* nr of active thread/requests */ spinlock_t lock; int bm_seq; /* sequence number for bitmap flushes */ + int disks; /* disks in stripe */ struct r5dev { struct bio req; struct bio_vec vec; @@ -174,6 +175,7 @@ struct stripe_head { #define STRIPE_DELAYED 6 #define STRIPE_DEGRADED 7 #define STRIPE_BIT_DELAY 8 +#define STRIPE_EXPANDING 9 /* * Plugging: @@ -211,6 +213,10 @@ struct raid5_private_data { int raid_disks, working_disks, failed_disks; int max_nr_stripes; + /* used during an expand */ + sector_t expand_progress; /* MaxSector when no expand happening */ + int previous_raid_disks; + struct list_head handle_list; /* stripes needing handling */ struct list_head delayed_list; /* stripes that have plugged requests */ struct list_head bitmap_list; /* stripes delaying awaiting bitmap update */ |