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| author | Jonathan Brassow <jbrassow@redhat.com> | 2009-04-02 19:55:33 +0100 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-04-02 19:55:33 +0100 |
| commit | 49beb2b87a972a994ff77633234ca3bf0d30a1d8 (patch) | |
| tree | 4b281ebd48624d0fbe74b93fa72baa834211ca2f /drivers/md/dm-snap-persistent.c | |
| parent | d0216849519bec8dc96301a3cd80316e71243839 (diff) | |
| download | linux-49beb2b87a972a994ff77633234ca3bf0d30a1d8.tar.gz linux-49beb2b87a972a994ff77633234ca3bf0d30a1d8.tar.bz2 linux-49beb2b87a972a994ff77633234ca3bf0d30a1d8.zip | |
dm exception store: move cow pointer
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>
Diffstat (limited to 'drivers/md/dm-snap-persistent.c')
| -rw-r--r-- | drivers/md/dm-snap-persistent.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c index c3c58159b6e8..505afac9976f 100644 --- a/drivers/md/dm-snap-persistent.c +++ b/drivers/md/dm-snap-persistent.c @@ -189,7 +189,7 @@ static void do_metadata(struct work_struct *work) static int chunk_io(struct pstore *ps, chunk_t chunk, int rw, int metadata) { struct dm_io_region where = { - .bdev = ps->snap->cow->bdev, + .bdev = ps->snap->store->cow->bdev, .sector = ps->snap->store->chunk_size * chunk, .count = ps->snap->store->chunk_size, }; @@ -253,7 +253,7 @@ static void zero_memory_area(struct pstore *ps) static int zero_disk_area(struct pstore *ps, chunk_t area) { struct dm_io_region where = { - .bdev = ps->snap->cow->bdev, + .bdev = ps->snap->store->cow->bdev, .sector = ps->snap->store->chunk_size * area_location(ps, area), .count = ps->snap->store->chunk_size, }; @@ -280,7 +280,7 @@ static int read_header(struct pstore *ps, int *new_snapshot) */ if (!ps->snap->store->chunk_size) { ps->snap->store->chunk_size = max(DM_CHUNK_SIZE_DEFAULT_SECTORS, - bdev_hardsect_size(ps->snap->cow->bdev) >> 9); + bdev_hardsect_size(ps->snap->store->cow->bdev) >> 9); ps->snap->store->chunk_mask = ps->snap->store->chunk_size - 1; ps->snap->store->chunk_shift = ffs(ps->snap->store->chunk_size) - 1; @@ -476,7 +476,7 @@ static void persistent_fraction_full(struct dm_exception_store *store, sector_t *numerator, sector_t *denominator) { *numerator = get_info(store)->next_free * store->chunk_size; - *denominator = get_dev_size(store->snap->cow->bdev); + *denominator = get_dev_size(store->cow->bdev); } static void persistent_dtr(struct dm_exception_store *store) @@ -565,7 +565,7 @@ static int persistent_prepare_exception(struct dm_exception_store *store, struct pstore *ps = get_info(store); uint32_t stride; chunk_t next_free; - sector_t size = get_dev_size(store->snap->cow->bdev); + sector_t size = get_dev_size(store->cow->bdev); /* Is there enough room ? */ if (size < ((ps->next_free + 1) * store->chunk_size)) |