From: Arnd Bergmann arnd@arndb.de
commit b2c0fcd28772f99236d261509bcd242135677965 upstream.
These were added to blkdev_ioctl() in linux-5.5 but not blkdev_compat_ioctl, so add them now.
Cc: stable@vger.kernel.org # v4.4+ Fixes: bbd3e064362e ("block: add an API for Persistent Reservations") Signed-off-by: Arnd Bergmann arnd@arndb.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
Fold in followup patch from Arnd with missing pr.h header include.
Signed-off-by: Jens Axboe axboe@kernel.dk Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- block/compat_ioctl.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c index 6ca015f..413bd5c 100644 --- a/block/compat_ioctl.c +++ b/block/compat_ioctl.c @@ -6,6 +6,7 @@ #include <linux/compat.h> #include <linux/elevator.h> #include <linux/hdreg.h> +#include <linux/pr.h> #include <linux/slab.h> #include <linux/syscalls.h> #include <linux/types.h> @@ -401,6 +402,14 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg) case BLKTRACETEARDOWN: /* compatible */ ret = blk_trace_ioctl(bdev, cmd, compat_ptr(arg)); return ret; + case IOC_PR_REGISTER: + case IOC_PR_RESERVE: + case IOC_PR_RELEASE: + case IOC_PR_PREEMPT: + case IOC_PR_PREEMPT_ABORT: + case IOC_PR_CLEAR: + return blkdev_ioctl(bdev, mode, cmd, + (unsigned long)compat_ptr(arg)); default: if (disk->fops->compat_ioctl) ret = disk->fops->compat_ioctl(bdev, mode, cmd, arg);