From 03809c8872f3b41a0d1f93a9be58157215d29de1 Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Fri, 23 Feb 2024 05:12:09 +0000
Subject: [PATCH] Use <fcntl.h> instead of <sys/fcntl.h>

When building on musl, we get:
```
In file included from tests/zfs-tests/cmd/getversion.c:22:
/usr/include/sys/fcntl.h:1:2: error: #warning redirecting incorrect
 #include <sys/fcntl.h> to <fcntl.h> [-Werror=cpp]
 1 | #warning redirecting incorrect #include <sys/fcntl.h> to <fcntl.h>

In file included from module/os/linux/zfs/vdev_file.c:36:
/usr/include/sys/fcntl.h:1:2: error: #warning redirecting incorrect
 #include <sys/fcntl.h> to <fcntl.h> [-Werror=cpp]
 1 | #warning redirecting incorrect #include <sys/fcntl.h> to <fcntl.h>
```

Bug: https://bugs.gentoo.org/925235
Signed-off-by: Sam James <sam@gentoo.org>
---
 module/os/linux/zfs/vdev_file.c  | 4 +++-
 tests/zfs-tests/cmd/getversion.c | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/module/os/linux/zfs/vdev_file.c b/module/os/linux/zfs/vdev_file.c
index 4bffb6412ffd..2cab6532487a 100644
--- a/module/os/linux/zfs/vdev_file.c
+++ b/module/os/linux/zfs/vdev_file.c
@@ -33,11 +33,13 @@
 #include <sys/fs/zfs.h>
 #include <sys/fm/fs/zfs.h>
 #include <sys/abd.h>
-#include <sys/fcntl.h>
 #include <sys/vnode.h>
 #include <sys/zfs_file.h>
 #ifdef _KERNEL
 #include <linux/falloc.h>
+#include <sys/fcntl.h>
+#else
+#include <fcntl.h>
 #endif
 /*
  * Virtual device vector for files.
diff --git a/tests/zfs-tests/cmd/getversion.c b/tests/zfs-tests/cmd/getversion.c
index 62c1c5b6abc0..1e026b92d17d 100644
--- a/tests/zfs-tests/cmd/getversion.c
+++ b/tests/zfs-tests/cmd/getversion.c
@@ -19,9 +19,9 @@
  */
 
 #include <sys/ioctl.h>
-#include <sys/fcntl.h>
 #include <linux/fs.h>
 #include <err.h>
+#include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>