diff options
Diffstat (limited to 'drivers/md/dm-exception-store.c')
| -rw-r--r-- | drivers/md/dm-exception-store.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c index 0bdb201c2c2..ebaa4f803ee 100644 --- a/drivers/md/dm-exception-store.c +++ b/drivers/md/dm-exception-store.c @@ -11,6 +11,7 @@ #include <linux/mm.h> #include <linux/pagemap.h> #include <linux/vmalloc.h> +#include <linux/module.h> #include <linux/slab.h> #define DM_MSG_PREFIX "snapshot exception stores" @@ -141,24 +142,19 @@ EXPORT_SYMBOL(dm_exception_store_type_unregister); static int set_chunk_size(struct dm_exception_store *store, const char *chunk_size_arg, char **error) { - unsigned long chunk_size_ulong; - char *value; + unsigned chunk_size; - chunk_size_ulong = simple_strtoul(chunk_size_arg, &value, 10); - if (*chunk_size_arg == '\0' || *value != '\0' || - chunk_size_ulong > UINT_MAX) { + if (kstrtouint(chunk_size_arg, 10, &chunk_size)) { *error = "Invalid chunk size"; return -EINVAL; } - if (!chunk_size_ulong) { + if (!chunk_size) { store->chunk_size = store->chunk_mask = store->chunk_shift = 0; return 0; } - return dm_exception_store_set_chunk_size(store, - (unsigned) chunk_size_ulong, - error); + return dm_exception_store_set_chunk_size(store, chunk_size, error); } int dm_exception_store_set_chunk_size(struct dm_exception_store *store, @@ -282,7 +278,7 @@ int dm_exception_store_init(void) return 0; persistent_fail: - dm_persistent_snapshot_exit(); + dm_transient_snapshot_exit(); transient_fail: return r; } |