diff options
Diffstat (limited to 'super-intel.c')
-rw-r--r-- | super-intel.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/super-intel.c b/super-intel.c index 84ab47b3..4081071c 100644 --- a/super-intel.c +++ b/super-intel.c @@ -565,17 +565,24 @@ static size_t sizeof_imsm_map(struct imsm_map *map) struct imsm_map *get_imsm_map(struct imsm_dev *dev, int second_map) { + /* A device can have 2 maps if it is in the middle of a migration. + * If second_map is: + * 0 - we return the first map + * 1 - we return the second map if it exists, else NULL + * -1 - we return the second map if it exists, else the first + */ struct imsm_map *map = &dev->vol.map[0]; - if (second_map && !dev->vol.migr_state) + if (second_map == 1 && !dev->vol.migr_state) return NULL; - else if (second_map) { + else if (second_map == 1 || + (second_map < 0 && dev->vol.migr_state)) { void *ptr = map; return ptr + sizeof_imsm_map(map); } else return map; - + } /* return the size of the device. @@ -654,14 +661,7 @@ static __u32 get_imsm_ord_tbl_ent(struct imsm_dev *dev, { struct imsm_map *map; - if (second_map == -1) { - if (dev->vol.migr_state) - map = get_imsm_map(dev, 1); - else - map = get_imsm_map(dev, 0); - } else { - map = get_imsm_map(dev, second_map); - } + map = get_imsm_map(dev, second_map); /* top byte identifies disk under rebuild */ return __le32_to_cpu(map->disk_ord_tbl[slot]); |