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| author | Jonathan Brassow <jbrassow@redhat.com> | 2009-04-02 20:55:32 +0200 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-04-02 20:55:32 +0200 |
| commit | 0cea9c78270cdf1d2ad74ce0e083d5555a0842e8 (patch) | |
| tree | 783785811de9ed558ec1179a6bc201dd6161cae6 | |
| parent | dm exception store: introduce registry (diff) | |
| download | linux-0cea9c78270cdf1d2ad74ce0e083d5555a0842e8.tar.xz linux-0cea9c78270cdf1d2ad74ce0e083d5555a0842e8.zip | |
dm exception store: move dm_target pointer
Move target pointer from snapshot to exception store.
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
| -rw-r--r-- | drivers/md/dm-exception-store.c | 3 | ||||
| -rw-r--r-- | drivers/md/dm-exception-store.h | 3 | ||||
| -rw-r--r-- | drivers/md/dm-snap.c | 7 | ||||
| -rw-r--r-- | drivers/md/dm-snap.h | 1 |
4 files changed, 7 insertions, 7 deletions
diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c index 8912a3637cae..fe0cfa677139 100644 --- a/drivers/md/dm-exception-store.c +++ b/drivers/md/dm-exception-store.c @@ -137,7 +137,7 @@ int dm_exception_store_type_unregister(struct dm_exception_store_type *type) } EXPORT_SYMBOL(dm_exception_store_type_unregister); -int dm_exception_store_create(const char *type_name, +int dm_exception_store_create(const char *type_name, struct dm_target *ti, struct dm_exception_store **store) { int r = 0; @@ -155,6 +155,7 @@ int dm_exception_store_create(const char *type_name, } tmp_store->type = type; + tmp_store->ti = ti; r = type->ctr(tmp_store, 0, NULL); if (r) { diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h index 31377150080e..4b7f7d441f5f 100644 --- a/drivers/md/dm-exception-store.h +++ b/drivers/md/dm-exception-store.h @@ -95,6 +95,7 @@ struct dm_exception_store_type { struct dm_exception_store { struct dm_exception_store_type *type; + struct dm_target *ti; struct dm_snapshot *snap; @@ -147,7 +148,7 @@ static inline void dm_consecutive_chunk_count_inc(struct dm_snap_exception *e) int dm_exception_store_type_register(struct dm_exception_store_type *type); int dm_exception_store_type_unregister(struct dm_exception_store_type *type); -int dm_exception_store_create(const char *type_name, +int dm_exception_store_create(const char *type_name, struct dm_target *ti, struct dm_exception_store **store); void dm_exception_store_destroy(struct dm_exception_store *store); diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index be698f3a4ae4..4429c2a1d6fb 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -615,7 +615,6 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) atomic_set(&s->pending_exceptions_count, 0); init_rwsem(&s->lock); spin_lock_init(&s->pe_lock); - s->ti = ti; /* Allocate hash table for COW data */ if (init_hash_tables(s)) { @@ -624,7 +623,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) goto bad3; } - r = dm_exception_store_create(argv[2], &s->store); + r = dm_exception_store_create(argv[2], ti, &s->store); if (r) { ti->error = "Couldn't create exception store"; r = -EINVAL; @@ -820,7 +819,7 @@ static void __invalidate_snapshot(struct dm_snapshot *s, int err) s->valid = 0; - dm_table_event(s->ti->table); + dm_table_event(s->store->ti->table); } static void get_pending_exception(struct dm_snap_pending_exception *pe) @@ -1196,7 +1195,7 @@ static int __origin_write(struct list_head *snapshots, struct bio *bio) goto next_snapshot; /* Nothing to do if writing beyond end of snapshot */ - if (bio->bi_sector >= dm_table_get_size(snap->ti->table)) + if (bio->bi_sector >= dm_table_get_size(snap->store->ti->table)) goto next_snapshot; /* diff --git a/drivers/md/dm-snap.h b/drivers/md/dm-snap.h index 627be0f52c32..93cd8ee8997f 100644 --- a/drivers/md/dm-snap.h +++ b/drivers/md/dm-snap.h @@ -25,7 +25,6 @@ struct exception_table { struct dm_snapshot { struct rw_semaphore lock; - struct dm_target *ti; struct dm_dev *origin; struct dm_dev *cow; |