diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/raid/raid10.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/raid/raid10.h b/include/linux/raid/raid10.h index b1103298a8c2..c41e56a7c090 100644 --- a/include/linux/raid/raid10.h +++ b/include/linux/raid/raid10.h | |||
| @@ -24,11 +24,16 @@ struct r10_private_data_s { | |||
| 24 | int far_copies; /* number of copies layed out | 24 | int far_copies; /* number of copies layed out |
| 25 | * at large strides across drives | 25 | * at large strides across drives |
| 26 | */ | 26 | */ |
| 27 | int far_offset; /* far_copies are offset by 1 stripe | ||
| 28 | * instead of many | ||
| 29 | */ | ||
| 27 | int copies; /* near_copies * far_copies. | 30 | int copies; /* near_copies * far_copies. |
| 28 | * must be <= raid_disks | 31 | * must be <= raid_disks |
| 29 | */ | 32 | */ |
| 30 | sector_t stride; /* distance between far copies. | 33 | sector_t stride; /* distance between far copies. |
| 31 | * This is size / far_copies | 34 | * This is size / far_copies unless |
| 35 | * far_offset, in which case it is | ||
| 36 | * 1 stripe. | ||
| 32 | */ | 37 | */ |
| 33 | 38 | ||
| 34 | int chunk_shift; /* shift from chunks to sectors */ | 39 | int chunk_shift; /* shift from chunks to sectors */ |