From 1ebd1f82890e302738a77b425240244252c7db97 Mon Sep 17 00:00:00 2001
From: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Date: Sat, 25 May 2019 08:43:23 +0900
Subject: [PATCH] Drop local definition of MOUNT_BUSY

It's accessible via <sys/mntent.h>.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@osnexus.com>
Closes #8765
---
 module/os/linux/zfs/zfs_ctldir.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/module/os/linux/zfs/zfs_ctldir.c b/module/os/linux/zfs/zfs_ctldir.c
index 46e6e19b91d5..c8071a7c215f 100644
--- a/module/os/linux/zfs/zfs_ctldir.c
+++ b/module/os/linux/zfs/zfs_ctldir.c
@@ -85,6 +85,7 @@
 #include <sys/dsl_destroy.h>
 #include <sys/dsl_deleg.h>
 #include <sys/zpl.h>
+#include <sys/mntent.h>
 #include "zfs_namecheck.h"
 
 /*
@@ -1047,8 +1048,6 @@ zfsctl_snapshot_unmount(char *snapname, int flags)
 	return (error);
 }
 
-#define	MOUNT_BUSY 0x80		/* Mount failed due to EBUSY (from mntent.h) */
-
 int
 zfsctl_snapshot_mount(struct path *path, int flags)
 {