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-rw-r--r--include/linux/elevator.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 18cf1f3e118..ad133fcfb23 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;
};
/*