On Thu, Jan 02, 2020 at 03:55:31PM +0100, Arnd Bergmann wrote: > Each driver calling scsi_ioctl() gets an equivalent compat_ioctl() > handler that implements the same commands by calling scsi_compat_ioctl(). > > The scsi_cmd_ioctl() and scsi_cmd_blk_ioctl() functions are compatible > at this point, so any driver that calls those can do so for both native > and compat mode, with the argument passed through compat_ptr(). > > With this, we can remove the entries from fs/compat_ioctl.c. The new > code is larger, but should be easier to maintain and keep updated with > newly added commands. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > --- > drivers/block/virtio_blk.c | 3 + > drivers/scsi/ch.c | 9 ++- > drivers/scsi/sd.c | 50 ++++++-------- > drivers/scsi/sg.c | 44 ++++++++----- > drivers/scsi/sr.c | 57 ++++++++++++++-- > drivers/scsi/st.c | 51 ++++++++------ > fs/compat_ioctl.c | 132 +------------------------------------ > 7 files changed, 142 insertions(+), 204 deletions(-) virtio_blk.c changes: Acked-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
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