From 2da8544a396adc9f6b1cd1935fc3520b6ed41170 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Mon, 14 Jul 2008 13:59:56 -0700 Subject: [PATCH] imsm: metadata only supports a global 'data_offset' When creating a volume a drive must have free space starting at the same location as all the other drives in the array. --- super-intel.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/super-intel.c b/super-intel.c index 42d93f6..41f44d0 100644 --- a/super-intel.c +++ b/super-intel.c @@ -1388,9 +1388,11 @@ static int validate_geometry_imsm_volume(struct supertype *st, int level, if (!dev) { /* General test: make sure there is space for - * 'raiddisks' device extents of size 'size'. + * 'raiddisks' device extents of size 'size' at a given + * offset */ unsigned long long minsize = size*2 /* convert to blocks */; + unsigned long long start_offset = ~0ULL; int dcnt = 0; if (minsize == 0) minsize = MPB_SECTOR_CNT + IMSM_RESERVED_SECTORS; @@ -1406,6 +1408,13 @@ static int validate_geometry_imsm_volume(struct supertype *st, int level, esize = e[i].start - pos; if (esize >= minsize) found = 1; + if (found && start_offset == ~0ULL) { + start_offset = pos; + break; + } else if (found && pos != start_offset) { + found = 0; + break; + } pos = e[i].start + e[i].size; i++; } while (e[i-1].size);