diff options
Diffstat (limited to 'super1.c')
| -rw-r--r-- | super1.c | 13 |
1 files changed, 12 insertions, 1 deletions
@@ -1214,10 +1214,21 @@ static struct supertype *match_metadata_desc1(char *arg) */ static __u64 avail_size1(struct supertype *st, __u64 devsize) { + struct mdp_superblock_1 *super = st->sb; if (devsize < 24) return 0; - devsize -= choose_bm_space(devsize); + if (super == NULL) + /* creating: allow suitable space for bitmap */ + devsize -= choose_bm_space(devsize); +#ifndef MDASSEMBLE + else if (__le32_to_cpu(super->feature_map)&MD_FEATURE_BITMAP_OFFSET) { + /* hot-add. allow for actual size of bitmap */ + struct bitmap_super_s *bsb; + bsb = (struct bitmap_super_s *)(((char*)super)+1024); + devsize -= bitmap_sectors(bsb); + } +#endif switch(st->minor_version) { case -1: /* no specified. Now time to set default */ |