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imsm: update mpb_size in write_super_imsm 

With dev->vol.map and mpb->disk entries entering and leaving the parameter
block write_super_imsm needs to update the size before writeback.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2008-08-09 20:28:24 -07:00
parent 272906ef49
commit a48ac0a8d6
1 changed files with 5 additions and 0 deletions
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5
super-intel.c
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@ -1611,6 +1611,7 @@ static int write_super_imsm(struct intel_super *super, int doclose)
int spares = 0;
int raid_disks = 0;
int i;
__u32 mpb_size = sizeof(struct imsm_super) - sizeof(struct imsm_disk);
/* 'generation' is incremented everytime the metadata is written */
generation = __le32_to_cpu(mpb->generation_num);
@ -1623,6 +1624,7 @@ static int write_super_imsm(struct intel_super *super, int doclose)
else {
raid_disks++;
mpb->disk[d->index] = d->disk;
mpb_size += sizeof(struct imsm_disk);
}
}
if (raid_disks != mpb->num_disks) {
@ -1635,7 +1637,10 @@ static int write_super_imsm(struct intel_super *super, int doclose)
struct imsm_dev *dev = __get_imsm_dev(mpb, i);
imsm_copy_dev(dev, super->dev_tbl[i]);
mpb_size += sizeof_imsm_dev(dev, 0);
}
mpb_size += __le32_to_cpu(mpb->bbm_log_size);
mpb->mpb_size = __cpu_to_le32(mpb_size);
/* recalculate checksum */
sum = __gen_imsm_checksum(mpb);