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raid: correct raid6_n_6 -> raid5 convenience type

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Fix "lvconvert --type raid5 RaidLV" on a "raid6_n_6" LV offering
false "raid6_ls_6" instead of "raid5_n".
This commit is contained in:
Heinz Mauelshagen 2017-11-13 18:03:50 +01:00 committed by Alasdair G Kergon
parent 00acae12a4
commit ebd0fed0ce
1 changed files with 6 additions and 3 deletions
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9
lib/metadata/raid_manip.c
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@ -6141,9 +6141,12 @@ static int _set_convenient_raid145610_segtype_to(const struct lv_segment *seg_fr
seg_flag = SEG_RAID6_N_6;
} else if (segtype_is_any_raid5(*segtype))
/* No result for raid6_{zr,nr,nc} */
if (!(seg_flag = _raid_seg_flag_6_to_5(seg_from)) ||
!(seg_flag & (*segtype)->flags))
if (!(seg_flag = _raid_seg_flag_6_to_5(seg_from)))
/*
* No result for raid6_{zr,nr,nc}.
*
* Offer to convert to corresponding raid6_*_6 type first.
*/
seg_flag = _raid_segtype_flag_5_to_6(*segtype);
/* -> raid1 */