From f348c78f97527e7a49859fa7e7ee29dd6b37dfb2 Mon Sep 17 00:00:00 2001
From: Matthew Macy <mmacy@freebsd.org>
Date: Sat, 30 Nov 2019 15:40:22 -0800
Subject: Mark Linux fallocate extensions as specific to Linux

fallocate(2) is a Linux-specific system call which in unavailable
on other platforms.

Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #9633
---
 lib/libzpool/kernel.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'lib/libzpool')

diff --git a/lib/libzpool/kernel.c b/lib/libzpool/kernel.c
index 6123b5d6a..cd6553eeb 100644
--- a/lib/libzpool/kernel.c
+++ b/lib/libzpool/kernel.c
@@ -1346,7 +1346,11 @@ zfs_file_fsync(zfs_file_t *fp, int flags)
 int
 zfs_file_fallocate(zfs_file_t *fp, int mode, loff_t offset, loff_t len)
 {
+#ifdef __linux__
 	return (fallocate(fp->f_fd, mode, offset, len));
+#else
+	return (EOPNOTSUPP);
+#endif
 }
 
 /*
-- 
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