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| author | Dan Williams <dan.j.williams@intel.com> | 2009-04-12 00:58:28 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-04-12 00:58:28 -0700 |
| commit | 979d38be50e84b70e0809249a6b05864049fb97d (patch) | |
| tree | 0ffdcada6e56c4ea14bc51ae308540b5e2ce0023 | |
| parent | da9b4a62af80edbbcc96196ab5d887308516ba70 (diff) | |
| download | mdadm-979d38be50e84b70e0809249a6b05864049fb97d.tar.gz mdadm-979d38be50e84b70e0809249a6b05864049fb97d.tar.xz mdadm-979d38be50e84b70e0809249a6b05864049fb97d.zip | |
imsm: round down array size at Create
Store the 1MB rounded down size of the array at create time.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
| -rw-r--r-- | super-intel.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/super-intel.c b/super-intel.c index b41ab3b..3415da4 100644 --- a/super-intel.c +++ b/super-intel.c @@ -53,6 +53,7 @@ #define MPB_SECTOR_CNT 418 #define IMSM_RESERVED_SECTORS 4096 +#define SECT_PER_MB_SHIFT 11 /* Disk configuration info. */ #define IMSM_MAX_DEVICES 255 @@ -2377,6 +2378,9 @@ static int init_super_imsm_volume(struct supertype *st, mdu_array_info_t *info, array_blocks = calc_array_size(info->level, info->raid_disks, info->layout, info->chunk_size, info->size*2); + /* round array size down to closest MB */ + array_blocks = (array_blocks >> SECT_PER_MB_SHIFT) << SECT_PER_MB_SHIFT; + dev->size_low = __cpu_to_le32((__u32) array_blocks); dev->size_high = __cpu_to_le32((__u32) (array_blocks >> 32)); dev->status = __cpu_to_le32(0); |