drivers/md/dm-crypt.c

157 struct crypt_config {  struct
158 	struct dm_dev *dev;
159 	sector_t start;
161 	struct percpu_counter n_allocated_pages;
163 	struct workqueue_struct *io_queue;
164 	struct workqueue_struct *crypt_queue;
166 	spinlock_t write_thread_lock;
167 	struct task_struct *write_thread;
168 	struct rb_root write_tree;
170 	char *cipher_string;
171 	char *cipher_auth;
172 	char *key_string;
174 	const struct crypt_iv_operations *iv_gen_ops;
175 	union {
180 	} iv_gen_private;
181 	u64 iv_offset;
182 	unsigned int iv_size;
183 	unsigned short sector_size;
184 	unsigned char sector_shift;
186 	union {
189 	} cipher_tfm;
190 	unsigned int tfms_count;
191 	int workqueue_id;
192 	unsigned long cipher_flags;
207 	unsigned int dmreq_start;
209 	unsigned int per_bio_data_size;
211 	unsigned long flags;
212 	unsigned int key_size;
213 	unsigned int key_parts;      /* independent parts in key buffer */
214 	unsigned int key_extra_size; /* additional keys length */
215 	unsigned int key_mac_size;   /* MAC key size for authenc(...) */
217 	unsigned int integrity_tag_size;
218 	unsigned int integrity_iv_size;
219 	unsigned int used_tag_size;
220 	unsigned int tuple_size;
226 	unsigned int tag_pool_max_sectors;
227 	mempool_t tag_pool;
228 	mempool_t req_pool;
229 	mempool_t page_pool;
231 	struct bio_set bs;
232 	struct mutex bio_alloc_lock;
256 static unsigned get_max_request_size(struct crypt_config *cc, bool wrt)  in get_max_request_size()  argument