From 4832fd9f36fbb7a12771b8e8df1e749ff14cc462 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Thomas=20Wei=C3=9Fschuh?= <thomas@t-8ch.de>
Date: Wed, 26 Apr 2023 08:53:28 +0200
Subject: [PATCH] blockdev: add support for BLKGETZONESZ
MIME-Version: 1.0
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Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
---
 bash-completion/blockdev   |  1 +
 disk-utils/blockdev.8.adoc |  3 +++
 disk-utils/blockdev.c      | 11 +++++++++++
 3 files changed, 15 insertions(+)

diff --git a/bash-completion/blockdev b/bash-completion/blockdev
index 48ba8c7326..30eeff5299 100644
--- a/bash-completion/blockdev
+++ b/bash-completion/blockdev
@@ -13,6 +13,7 @@ _blockdev_module()
 		--getro
 		--getdiscardzeroes
 		--getdiskseq
+		--getzonesz
 		--getss
 		--getpbsz
 		--getiomin
diff --git a/disk-utils/blockdev.8.adoc b/disk-utils/blockdev.8.adoc
index 16f1562ee7..4eb3b32145 100644
--- a/disk-utils/blockdev.8.adoc
+++ b/disk-utils/blockdev.8.adoc
@@ -60,6 +60,9 @@ Get discard zeroes support status.
 *--getdiskseq*::
 Get disk sequence number.
 
+*--getzonesz*::
+Get zone size in 512-byte sectors.
+
 *--getfra*::
 Get filesystem readahead in 512-byte sectors.
 
diff --git a/disk-utils/blockdev.c b/disk-utils/blockdev.c
index 58ed4df8b8..646043eaae 100644
--- a/disk-utils/blockdev.c
+++ b/disk-utils/blockdev.c
@@ -10,6 +10,9 @@
 #include <unistd.h>
 #include <sys/ioctl.h>
 #include <errno.h>
+#ifdef HAVE_LINUX_BLKZONED_H
+#include <linux/blkzoned.h>
+#endif
 
 #include "c.h"
 #include "nls.h"
@@ -175,6 +178,14 @@ static const struct bdc bdcms[] =
 		.argval = -1,
 		.help = N_("get disk sequence number")
 	},{
+#ifdef HAVE_LINUX_BLKZONED_H
+		IOCTL_ENTRY(BLKGETZONESZ),
+		.name = "--getzonesz",
+		.argtype = ARG_UINT,
+		.argval = -1,
+		.help = N_("get zone size")
+	},{
+#endif
 		IOCTL_ENTRY(BLKFLSBUF),
 		.name = "--flushbufs",
 		.help = N_("flush buffers")
-- 
2.47.2