diff options
Diffstat (limited to 'include/linux/elevator.h')
| -rw-r--r-- | include/linux/elevator.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/elevator.h b/include/linux/elevator.h index 18cf1f3e1184..ad133fcfb239 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -48,10 +48,17 @@ struct elevator_ops 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); +}; + /* * identifies an elevator type, such as AS or deadline */ @@ -60,7 +67,7 @@ struct elevator_type struct list_head list; struct elevator_ops ops; struct elevator_type *elevator_type; - struct kobj_type *elevator_ktype; + struct elv_fs_entry *elevator_attrs; char elevator_name[ELV_NAME_MAX]; struct module *elevator_owner; }; @@ -74,6 +81,7 @@ struct elevator_queue void *elevator_data; struct kobject kobj; struct elevator_type *elevator_type; + struct mutex sysfs_lock; }; /* |