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| author | Jonathan Brassow <jbrassow@redhat.com> | 2009-01-06 03:05:19 +0000 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-01-06 03:05:19 +0000 |
| commit | a159c1ac5f33c6cf0f5aa3c9d1ccdc82c907ee46 (patch) | |
| tree | 2cb6bfd3f376e2366f3e3820ebd07a0a86a01cfc /drivers/md/dm-snap.c | |
| parent | 4db6bfe02bdc7dc5048f46dd682a94801d029adc (diff) | |
| download | kernel-crypto-a159c1ac5f33c6cf0f5aa3c9d1ccdc82c907ee46.tar.gz kernel-crypto-a159c1ac5f33c6cf0f5aa3c9d1ccdc82c907ee46.tar.xz kernel-crypto-a159c1ac5f33c6cf0f5aa3c9d1ccdc82c907ee46.zip | |
dm snapshot: extend exception store functions
Supply dm_add_exception as a callback to the read_metadata function.
Add a status function ready for a later patch and name the functions
consistently.
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 | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 018b567fc75..65ff82ff124 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -430,8 +430,13 @@ out: list_add(&new_e->hash_list, e ? &e->hash_list : l); } -int dm_add_exception(struct dm_snapshot *s, chunk_t old, chunk_t new) +/* + * Callback used by the exception stores to load exceptions when + * initialising. + */ +static int dm_add_exception(void *context, chunk_t old, chunk_t new) { + struct dm_snapshot *s = context; struct dm_snap_exception *e; e = alloc_exception(); @@ -660,7 +665,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) spin_lock_init(&s->tracked_chunk_lock); /* Metadata must only be loaded into one table at once */ - r = s->store.read_metadata(&s->store); + r = s->store.read_metadata(&s->store, dm_add_exception, (void *)s); if (r < 0) { ti->error = "Failed to read snapshot metadata"; goto bad_load_and_register; |