From 8041435de7ed028a27ecca64302945ad455c69a6 Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" 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 Reviewed-by: Eric Sandeen Signed-off-by: Eric Sandeen --- 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; }