From: Mikulas Patocka Date: Fri, 4 Sep 2009 19:40:41 +0000 (+0100) Subject: dm exception store: split set_chunk_size X-Git-Tag: v2.6.30.7~2 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=da8341635673d7cf46312c39e4c69912c2629a30;p=karo-tx-linux.git dm exception store: split set_chunk_size commit 2defcc3fb4661e7351cb2ac48d843efc4c64db13 upstream. Break the function set_chunk_size to two functions in preparation for the fix in the following patch. Signed-off-by: Mikulas Patocka Signed-off-by: Alasdair G Kergon Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c index 14ce11e8e035..8719e3374ac8 100644 --- a/drivers/md/dm-exception-store.c +++ b/drivers/md/dm-exception-store.c @@ -171,6 +171,14 @@ static int set_chunk_size(struct dm_exception_store *store, */ chunk_size_ulong = round_up(chunk_size_ulong, PAGE_SIZE >> 9); + return dm_exception_store_set_chunk_size(store, chunk_size_ulong, + error); +} + +int dm_exception_store_set_chunk_size(struct dm_exception_store *store, + unsigned long chunk_size_ulong, + char **error) +{ /* Check chunk_size is a power of 2 */ if (!is_power_of_2(chunk_size_ulong)) { *error = "Chunk size is not a power of 2"; diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h index 96a796be7c77..43658dd92818 100644 --- a/drivers/md/dm-exception-store.h +++ b/drivers/md/dm-exception-store.h @@ -168,6 +168,10 @@ static inline chunk_t sector_to_chunk(struct dm_exception_store *store, 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_set_chunk_size(struct dm_exception_store *store, + unsigned long chunk_size_ulong, + char **error); + int dm_exception_store_create(struct dm_target *ti, int argc, char **argv, unsigned *args_used, struct dm_exception_store **store);