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author | Mikulas Patocka <mpatocka@redhat.com> | 2009-09-04 15:40:41 -0400 |
---|---|---|
committer | Alasdair G Kergon <agk@redhat.com> | 2009-09-04 15:40:41 -0400 |
commit | 2defcc3fb4661e7351cb2ac48d843efc4c64db13 (patch) | |
tree | 18be3f5f6c38f8b8b535f05e6004090cd9143af6 /drivers/md | |
parent | 61578dcd3fafe6babd72e8db32110cc0b630a432 (diff) |
dm exception store: split set_chunk_size
Break the function set_chunk_size to two functions in preparation for
the fix in the following patch.
Cc: stable@kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/dm-exception-store.c | 8 | ||||
-rw-r--r-- | drivers/md/dm-exception-store.h | 4 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c index 3710ff88fc10..4c01c7535fb5 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, | |||
171 | */ | 171 | */ |
172 | chunk_size_ulong = round_up(chunk_size_ulong, PAGE_SIZE >> 9); | 172 | chunk_size_ulong = round_up(chunk_size_ulong, PAGE_SIZE >> 9); |
173 | 173 | ||
174 | return dm_exception_store_set_chunk_size(store, chunk_size_ulong, | ||
175 | error); | ||
176 | } | ||
177 | |||
178 | int dm_exception_store_set_chunk_size(struct dm_exception_store *store, | ||
179 | unsigned long chunk_size_ulong, | ||
180 | char **error) | ||
181 | { | ||
174 | /* Check chunk_size is a power of 2 */ | 182 | /* Check chunk_size is a power of 2 */ |
175 | if (!is_power_of_2(chunk_size_ulong)) { | 183 | if (!is_power_of_2(chunk_size_ulong)) { |
176 | *error = "Chunk size is not a power of 2"; | 184 | *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 2442c8c07898..812c71872ba0 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, | |||
168 | int dm_exception_store_type_register(struct dm_exception_store_type *type); | 168 | int dm_exception_store_type_register(struct dm_exception_store_type *type); |
169 | int dm_exception_store_type_unregister(struct dm_exception_store_type *type); | 169 | int dm_exception_store_type_unregister(struct dm_exception_store_type *type); |
170 | 170 | ||
171 | int dm_exception_store_set_chunk_size(struct dm_exception_store *store, | ||
172 | unsigned long chunk_size_ulong, | ||
173 | char **error); | ||
174 | |||
171 | int dm_exception_store_create(struct dm_target *ti, int argc, char **argv, | 175 | int dm_exception_store_create(struct dm_target *ti, int argc, char **argv, |
172 | unsigned *args_used, | 176 | unsigned *args_used, |
173 | struct dm_exception_store **store); | 177 | struct dm_exception_store **store); |