[PATCH] elf.h: forward declare struct file

[mv-sheeva.git] / include / linux / device-mapper.h

diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index e3d1c33d155883797f41d33b0096e06329d8de82..03ef41c1eaac346b441a00a54048818b7f35c60f 100644 (file)
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -55,8 +55,10 @@ typedef int (*dm_endio_fn) (struct dm_target *ti,
                            struct bio *bio, int error,
                            union map_info *map_context);
 
+typedef void (*dm_flush_fn) (struct dm_target *ti);
 typedef void (*dm_presuspend_fn) (struct dm_target *ti);
 typedef void (*dm_postsuspend_fn) (struct dm_target *ti);
+typedef int (*dm_preresume_fn) (struct dm_target *ti);
 typedef void (*dm_resume_fn) (struct dm_target *ti);
 
 typedef int (*dm_status_fn) (struct dm_target *ti, status_type_t status_type,
@@ -64,8 +66,17 @@ typedef int (*dm_status_fn) (struct dm_target *ti, status_type_t status_type,
 
 typedef int (*dm_message_fn) (struct dm_target *ti, unsigned argc, char **argv);
 
+typedef int (*dm_ioctl_fn) (struct dm_target *ti, struct inode *inode,
+                           struct file *filp, unsigned int cmd,
+                           unsigned long arg);
+
 void dm_error(const char *message);
 
+/*
+ * Combine device limits.
+ */
+void dm_set_device_limits(struct dm_target *ti, struct block_device *bdev);
+
 /*
  * Constructors should call these functions to ensure destination devices
  * are opened/closed correctly.
@@ -86,11 +97,14 @@ struct target_type {
        dm_dtr_fn dtr;
        dm_map_fn map;
        dm_endio_fn end_io;
+       dm_flush_fn flush;
        dm_presuspend_fn presuspend;
        dm_postsuspend_fn postsuspend;
+       dm_preresume_fn preresume;
        dm_resume_fn resume;
        dm_status_fn status;
        dm_message_fn message;
+       dm_ioctl_fn ioctl;
 };
 
 struct io_restrictions {