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| author | Jonathan Brassow <jbrassow@redhat.com> | 2009-04-02 19:55:30 +0100 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-04-02 19:55:30 +0100 |
| commit | b2a114652940ccf7e9668ad447ca78bf16a31139 (patch) | |
| tree | f86e851ff752a8ae5ce1b5571cde1918c86a156a /drivers/md/dm-exception-store.h | |
| parent | ec44ab9d6681ddf9026b593e866bec9c0e075e1d (diff) | |
| download | linux-b2a114652940ccf7e9668ad447ca78bf16a31139.tar.gz linux-b2a114652940ccf7e9668ad447ca78bf16a31139.tar.bz2 linux-b2a114652940ccf7e9668ad447ca78bf16a31139.zip | |
dm exception store: separate type from instance
Introduce struct dm_exception_store_type.
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-exception-store.h')
| -rw-r--r-- | drivers/md/dm-exception-store.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h index bb9f33d5daa2..aed1f1172f9e 100644 --- a/drivers/md/dm-exception-store.h +++ b/drivers/md/dm-exception-store.h @@ -37,11 +37,15 @@ struct dm_snap_exception { * Abstraction to handle the meta/layout of exception stores (the * COW device). */ -struct dm_exception_store { +struct dm_exception_store; +struct dm_exception_store_type { + int (*ctr) (struct dm_exception_store *store, + unsigned argc, char **argv); + /* * Destroys this object when you've finished with it. */ - void (*destroy) (struct dm_exception_store *store); + void (*dtr) (struct dm_exception_store *store); /* * The target shouldn't read the COW device until this is @@ -81,8 +85,13 @@ struct dm_exception_store { void (*fraction_full) (struct dm_exception_store *store, sector_t *numerator, sector_t *denominator); +}; + +struct dm_exception_store { + struct dm_exception_store_type type; struct dm_snapshot *snap; + void *context; }; |