cdrom: remove the unused cdrom_media_changed function
As well as the ->media_changed method. All these are left over from
before the drivers were switched over to the check_events scheme.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/Documentation/cdrom/cdrom-standard.rst b/Documentation/cdrom/cdrom-standard.rst
index dde4f7f..2de9058 100644
--- a/Documentation/cdrom/cdrom-standard.rst
+++ b/Documentation/cdrom/cdrom-standard.rst
@@ -157,7 +157,6 @@
cdrom_release, /∗ release ∗/
NULL, /∗ fsync ∗/
NULL, /∗ fasync ∗/
- cdrom_media_changed, /∗ media change ∗/
NULL /∗ revalidate ∗/
};
@@ -368,19 +367,6 @@
::
- int media_changed(struct cdrom_device_info *cdi, int disc_nr)
-
-This function is very similar to the original function in $struct
-file_operations*. It returns 1 if the medium of the device *cdi->dev*
-has changed since the last call, and 0 otherwise. The parameter
-*disc_nr* identifies a specific slot in a juke-box, it should be
-ignored for single-disc drives. Note that by `re-routing` this
-function through *cdrom_media_changed()*, we can implement separate
-queues for the VFS and a new *ioctl()* function that can report device
-changes to software (e. g., an auto-mounting daemon).
-
-::
-
int tray_move(struct cdrom_device_info *cdi, int position)
This function, if implemented, should control the tray movement. (No
@@ -917,9 +903,7 @@
maximum number of discs in the juke-box found in the *cdrom_dops*.
`CDROM_MEDIA_CHANGED`
Returns 1 if a disc has been changed since the last call.
- Note that calls to *cdrom_media_changed* by the VFS are treated
- by an independent queue, so both mechanisms will detect a
- media change once. For juke-boxes, an extra argument *arg*
+ For juke-boxes, an extra argument *arg*
specifies the slot for which the information is given. The special
value *CDSL_CURRENT* requests that information about the currently
selected slot be returned.