diff options
Diffstat (limited to 'libc/kernel/common/linux/elevator.h')
-rw-r--r-- | libc/kernel/common/linux/elevator.h | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/libc/kernel/common/linux/elevator.h b/libc/kernel/common/linux/elevator.h deleted file mode 100644 index 2e79ce9..0000000 --- a/libc/kernel/common/linux/elevator.h +++ /dev/null @@ -1,109 +0,0 @@ -/**************************************************************************** - **************************************************************************** - *** - *** This header was automatically generated from a Linux kernel header - *** of the same name, to make information necessary for userspace to - *** call into the kernel available to libc. It contains only constants, - *** structures, and macros generated from the original header, and thus, - *** contains no copyrightable information. - *** - **************************************************************************** - ****************************************************************************/ -#ifndef _LINUX_ELEVATOR_H -#define _LINUX_ELEVATOR_H - -typedef int (elevator_merge_fn) (request_queue_t *, struct request **, - struct bio *); - -typedef void (elevator_merge_req_fn) (request_queue_t *, struct request *, struct request *); - -typedef void (elevator_merged_fn) (request_queue_t *, struct request *); - -typedef int (elevator_dispatch_fn) (request_queue_t *, int); - -typedef void (elevator_add_req_fn) (request_queue_t *, struct request *); -typedef int (elevator_queue_empty_fn) (request_queue_t *); -typedef struct request *(elevator_request_list_fn) (request_queue_t *, struct request *); -typedef void (elevator_completed_req_fn) (request_queue_t *, struct request *); -typedef int (elevator_may_queue_fn) (request_queue_t *, int, struct bio *); - -typedef int (elevator_set_req_fn) (request_queue_t *, struct request *, struct bio *, gfp_t); -typedef void (elevator_put_req_fn) (request_queue_t *, struct request *); -typedef void (elevator_activate_req_fn) (request_queue_t *, struct request *); -typedef void (elevator_deactivate_req_fn) (request_queue_t *, struct request *); - -typedef void *(elevator_init_fn) (request_queue_t *, elevator_t *); -typedef void (elevator_exit_fn) (elevator_t *); - -struct elevator_ops -{ - elevator_merge_fn *elevator_merge_fn; - elevator_merged_fn *elevator_merged_fn; - elevator_merge_req_fn *elevator_merge_req_fn; - - elevator_dispatch_fn *elevator_dispatch_fn; - elevator_add_req_fn *elevator_add_req_fn; - elevator_activate_req_fn *elevator_activate_req_fn; - elevator_deactivate_req_fn *elevator_deactivate_req_fn; - - elevator_queue_empty_fn *elevator_queue_empty_fn; - elevator_completed_req_fn *elevator_completed_req_fn; - - elevator_request_list_fn *elevator_former_req_fn; - elevator_request_list_fn *elevator_latter_req_fn; - - elevator_set_req_fn *elevator_set_req_fn; - elevator_put_req_fn *elevator_put_req_fn; - - elevator_may_queue_fn *elevator_may_queue_fn; - - elevator_init_fn *elevator_init_fn; - elevator_exit_fn *elevator_exit_fn; - void (*trim)(struct io_context *); -}; - -#define ELV_NAME_MAX (16) - -struct elv_fs_entry { - struct attribute attr; - ssize_t (*show)(elevator_t *, char *); - ssize_t (*store)(elevator_t *, const char *, size_t); -}; - -struct elevator_type -{ - struct list_head list; - struct elevator_ops ops; - struct elevator_type *elevator_type; - struct elv_fs_entry *elevator_attrs; - char elevator_name[ELV_NAME_MAX]; - struct module *elevator_owner; -}; - -struct elevator_queue -{ - struct elevator_ops *ops; - void *elevator_data; - struct kobject kobj; - struct elevator_type *elevator_type; - struct mutex sysfs_lock; -}; - -#define ELEVATOR_NO_MERGE 0 -#define ELEVATOR_FRONT_MERGE 1 -#define ELEVATOR_BACK_MERGE 2 - -#define ELEVATOR_INSERT_FRONT 1 -#define ELEVATOR_INSERT_BACK 2 -#define ELEVATOR_INSERT_SORT 3 -#define ELEVATOR_INSERT_REQUEUE 4 - -enum { - ELV_MQUEUE_MAY, - ELV_MQUEUE_NO, - ELV_MQUEUE_MUST, -}; - -#define rq_end_sector(rq) ((rq)->sector + (rq)->nr_sectors) - -#endif |