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-rw-r--r--include/linux/device-mapper.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 76d23fa8c7d3..ec1c61c87d89 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -79,8 +79,8 @@ typedef void (*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, unsigned int cmd,
- unsigned long arg);
+typedef int (*dm_prepare_ioctl_fn) (struct dm_target *ti,
+ struct block_device **bdev, fmode_t *mode);
/*
* These iteration functions are typically used to check (and combine)
@@ -156,7 +156,7 @@ struct target_type {
dm_resume_fn resume;
dm_status_fn status;
dm_message_fn message;
- dm_ioctl_fn ioctl;
+ dm_prepare_ioctl_fn prepare_ioctl;
dm_busy_fn busy;
dm_iterate_devices_fn iterate_devices;
dm_io_hints_fn io_hints;