btrfs, debugfs, reiserfs and tracefs call save_mount_options() and reiserfs
calls replace_mount_options(), but they then implement their own
->show_options() methods and don't touch s_options, rendering the saved
options unnecessary. I'm trying to eliminate s_options to make it easier
to implement a context-based mount where the mount options can be passed
individually over a file descriptor.
Remove the calls to save/replace_mount_options() call in these cases.
Signed-off-by: David Howells <email@example.com>
cc: Chris Mason <firstname.lastname@example.org>
cc: Greg Kroah-Hartman <email@example.com>
cc: Steven Rostedt <firstname.lastname@example.org>
Signed-off-by: Al Viro <email@example.com>