linux-kernel - [PATCH 5.4 103/191] compat_ioctl: block: handle BLKGETZONESZ/BLKGETNRZONES

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Message-Id: <20200107205338.504353839@linuxfoundation.org>
Date:   Tue,  7 Jan 2020 21:53:43 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Damien Le Moal <damien.lemoal@....com>,
        Arnd Bergmann <arnd@...db.de>, Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 5.4 103/191] compat_ioctl: block: handle BLKGETZONESZ/BLKGETNRZONES

From: Arnd Bergmann <arnd@...db.de>

commit 21d37340912d74b1222d43c11aa9dd0687162573 upstream.

These were added to blkdev_ioctl() in v4.20 but not blkdev_compat_ioctl,
so add them now.

Cc: <stable@...r.kernel.org> # v4.20+
Fixes: 72cd87576d1d ("block: Introduce BLKGETZONESZ ioctl")
Fixes: 65e4e3eee83d ("block: Introduce BLKGETNRZONES ioctl")
Reviewed-by: Damien Le Moal <damien.lemoal@....com>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Jens Axboe <axboe@...nel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 block/compat_ioctl.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -357,6 +357,8 @@ long compat_blkdev_ioctl(struct file *fi
 	case BLKRRPART:
 	case BLKREPORTZONE:
 	case BLKRESETZONE:
+	case BLKGETZONESZ:
+	case BLKGETNRZONES:
 		return blkdev_ioctl(bdev, mode, cmd,
 				(unsigned long)compat_ptr(arg));
 	case BLKBSZSET_32: