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| author | Jonathan Brassow <jbrassow@redhat.com> | 2009-04-02 20:55:33 +0200 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-04-02 20:55:33 +0200 |
| commit | 71fab00a6bef7fb53119271a8abdbaf40970d28a (patch) | |
| tree | 4881f8f6d1b1c42528889d7a56fb8674d2aa7723 /drivers/md/dm-snap.c | |
| parent | dm exception store: move cow pointer (diff) | |
| download | linux-71fab00a6bef7fb53119271a8abdbaf40970d28a.tar.xz linux-71fab00a6bef7fb53119271a8abdbaf40970d28a.zip | |
dm snapshot: remove dm_snap header use
Move useful functions out of dm-snap.h and stop using dm-snap.h.
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-snap.c')
| -rw-r--r-- | drivers/md/dm-snap.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 5c067efc665f..467c586e2439 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -637,8 +637,6 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) goto bad4; } - s->store->snap = s; - r = dm_kcopyd_client_create(SNAPSHOT_PAGES, &s->kcopyd_client); if (r) { ti->error = "Could not create kcopyd client"; @@ -962,11 +960,11 @@ static void start_copy(struct dm_snap_pending_exception *pe) dev_size = get_dev_size(bdev); src.bdev = bdev; - src.sector = chunk_to_sector(s, pe->e.old_chunk); + src.sector = chunk_to_sector(s->store, pe->e.old_chunk); src.count = min(s->store->chunk_size, dev_size - src.sector); dest.bdev = s->store->cow->bdev; - dest.sector = chunk_to_sector(s, pe->e.new_chunk); + dest.sector = chunk_to_sector(s->store, pe->e.new_chunk); dest.count = src.count; /* Hand over to kcopyd */ @@ -1027,9 +1025,11 @@ static void remap_exception(struct dm_snapshot *s, struct dm_snap_exception *e, struct bio *bio, chunk_t chunk) { bio->bi_bdev = s->store->cow->bdev; - bio->bi_sector = chunk_to_sector(s, dm_chunk_number(e->new_chunk) + - (chunk - e->old_chunk)) + - (bio->bi_sector & s->store->chunk_mask); + bio->bi_sector = chunk_to_sector(s->store, + dm_chunk_number(e->new_chunk) + + (chunk - e->old_chunk)) + + (bio->bi_sector & + s->store->chunk_mask); } static int snapshot_map(struct dm_target *ti, struct bio *bio, @@ -1041,7 +1041,7 @@ static int snapshot_map(struct dm_target *ti, struct bio *bio, chunk_t chunk; struct dm_snap_pending_exception *pe = NULL; - chunk = sector_to_chunk(s, bio->bi_sector); + chunk = sector_to_chunk(s->store, bio->bi_sector); /* Full snapshots are not usable */ /* To get here the table must be live so s->active is always set. */ @@ -1210,7 +1210,7 @@ static int __origin_write(struct list_head *snapshots, struct bio *bio) * Remember, different snapshots can have * different chunk sizes. */ - chunk = sector_to_chunk(snap, bio->bi_sector); + chunk = sector_to_chunk(snap->store, bio->bi_sector); /* * Check exception table to see if block |