xfsprogs: Fix compilation with newer musl

Backported upstream patch.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
(cherry picked from commit 39035df71c)

package/utils/xfsprogs/patches/140-copy-file-range.patch

@@ -0,0 +1,48 @@
+From 8041435de7ed028a27ecca64302945ad455c69a6 Mon Sep 17 00:00:00 2001
+From: "Darrick J. Wong" <darrick.wong@oracle.com>
+Date: Mon, 5 Feb 2018 14:38:02 -0600
+Subject: [PATCH] xfs_io: fix copy_file_range symbol name collision
+
+glibc 2.27 has a copy_file_range wrapper, so we need to change our
+internal function out of the way to avoid compiler warnings.
+
+Reported-by: fredrik@crux.nu
+Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
+Reviewed-by: Eric Sandeen <sandeen@redhat.com>
+Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
+---
+ io/copy_file_range.c | 11 ++++++++---
+ 1 file changed, 8 insertions(+), 3 deletions(-)
+
+--- a/io/copy_file_range.c
++++ b/io/copy_file_range.c
+@@ -42,13 +42,18 @@ copy_range_help(void)
+ "));
+ }
+ 
++/*
++ * Issue a raw copy_file_range syscall; for our test program we don't want the
++ * glibc buffered copy fallback.
++ */
+ static loff_t
+-copy_file_range(int fd, loff_t *src, loff_t *dst, size_t len)
++copy_file_range_cmd(int fd, loff_t *src, loff_t *dst, size_t len)
+ {
+ 	loff_t ret;
+ 
+ 	do {
+-		ret = syscall(__NR_copy_file_range, fd, src, file->fd, dst, len, 0);
++		ret = syscall(__NR_copy_file_range, fd, src, file->fd, dst,
++				len, 0);
+ 		if (ret == -1) {
+ 			perror("copy_range");
+ 			return errno;
+@@ -130,7 +135,7 @@ copy_range_f(int argc, char **argv)
+ 		copy_dst_truncate();
+ 	}
+ 
+-	ret = copy_file_range(fd, &src, &dst, len);
++	ret = copy_file_range_cmd(fd, &src, &dst, len);
+ 	close(fd);
+ 	return ret;
+ }