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dm exception store: move cow pointer

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Move COW device from snapshot to exception store.

Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Jonathan Brassow
2009-04-02 19:55:33 +01:00
committed by Alasdair G Kergon
parent d021684951
commit 49beb2b87a
6 changed files with 30 additions and 23 deletions
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4
drivers/md/dm-snap-transient.c
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@@ -40,7 +40,7 @@ static int transient_prepare_exception(struct dm_exception_store *store,
struct dm_snap_exception *e)
{
struct transient_c *tc = store->context;
sector_t size = get_dev_size(store->snap->cow->bdev);
sector_t size = get_dev_size(store->cow->bdev);
if (size < (tc->next_free + store->chunk_size))
return -1;
@@ -64,7 +64,7 @@ static void transient_fraction_full(struct dm_exception_store *store,
sector_t *numerator, sector_t *denominator)
{
*numerator = ((struct transient_c *) store->context)->next_free;
*denominator = get_dev_size(store->snap->cow->bdev);
*denominator = get_dev_size(store->cow->bdev);
}
static int transient_ctr(struct dm_exception_store *store,