From 475ccbdbf69bd00bdcdf965fe6914c4e22743370 Mon Sep 17 00:00:00 2001 From: "mwilck@arcor.de" Date: Wed, 3 Jul 2013 22:28:00 +0200 Subject: [PATCH] DDF: add_to_super_ddf: RAID10 changes The index in the BVD may be different in the RAID10 case. Signed-off-by: Martin Wilck Signed-off-by: NeilBrown --- super-ddf.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/super-ddf.c b/super-ddf.c index 285b3d4..5ac9a04 100644 --- a/super-ddf.c +++ b/super-ddf.c @@ -2457,11 +2457,11 @@ static void add_to_super_ddf_bvd(struct supertype *st, struct dl *dl; struct ddf_super *ddf = st->sb; struct vd_config *vc; - __u64 *lba_offset; unsigned int working; unsigned int i; unsigned long long blocks, pos, esize; struct extent *ex; + unsigned int raid_disk = dk->raid_disk; if (fd == -1) { for (dl = ddf->dlist; dl ; dl = dl->next) @@ -2477,7 +2477,12 @@ static void add_to_super_ddf_bvd(struct supertype *st, return; vc = &ddf->currentconf->conf; - lba_offset = LBA_OFFSET(ddf, &ddf->currentconf->conf); + if (vc->sec_elmnt_count > 1) { + unsigned int n = __be16_to_cpu(vc->prim_elmnt_count); + if (raid_disk >= n) + vc = ddf->currentconf->other_bvds[raid_disk / n - 1]; + raid_disk %= n; + } ex = get_extents(ddf, dl); if (!ex) @@ -2501,8 +2506,8 @@ static void add_to_super_ddf_bvd(struct supertype *st, return; ddf->currentdev = dk->raid_disk; - vc->phys_refnum[dk->raid_disk] = dl->disk.refnum; - lba_offset[dk->raid_disk] = __cpu_to_be64(pos); + vc->phys_refnum[raid_disk] = dl->disk.refnum; + LBA_OFFSET(ddf, vc)[raid_disk] = __cpu_to_be64(pos); for (i = 0; i < ddf->max_part ; i++) if (dl->vlist[i] == NULL)