[LTP] [PATCH v2 1/7] Add fallback definitions for lapi/fs.h

[Andrea Cervesato]

From: Andrea Cervesato <andrea.cervesato@suse.com>

This patch adds "struct file_clone_range" and FICLONERANGE fallback
definitions.

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
 configure.ac      |  1 +
 include/lapi/fs.h | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/configure.ac b/configure.ac
index 1f8796c87..4d466f052 100644
--- a/configure.ac
+++ b/configure.ac
@@ -177,6 +177,7 @@ AC_CHECK_TYPES([struct acct_v3],,,[#include <sys/acct.h>])
 AC_CHECK_TYPES([struct af_alg_iv, struct sockaddr_alg],,,[# include <linux/if_alg.h>])
 AC_CHECK_TYPES([struct fanotify_event_info_fid, struct fanotify_event_info_error,
 		struct fanotify_event_info_header, struct fanotify_event_info_pidfd],,,[#include <sys/fanotify.h>])
+AC_CHECK_TYPES([struct file_clone_range],,,[#include <linux/fs.h>])
 AC_CHECK_TYPES([struct file_dedupe_range],,,[#include <linux/fs.h>])
 
 AC_CHECK_TYPES([struct file_handle],,,[
diff --git a/include/lapi/fs.h b/include/lapi/fs.h
index 635979b02..0e8d646d8 100644
--- a/include/lapi/fs.h
+++ b/include/lapi/fs.h
@@ -20,6 +20,15 @@
 #include <limits.h>
 #include "lapi/abisize.h"
 
+#ifndef HAVE_FILE_CLONE_RANGE
+struct file_clone_range {
+	int64_t src_fd;
+	uint64_t src_offset;
+	uint64_t src_length;
+	uint64_t dest_offset;
+};
+#endif
+
 #ifndef FS_IOC_GETFLAGS
 # define	FS_IOC_GETFLAGS	_IOR('f', 1, long)
 #endif
@@ -48,6 +57,14 @@
 # define FS_VERITY_FL	   0x00100000 /* Verity protected inode */
 #endif
 
+#ifndef FICLONE
+# define FICLONE		_IOW(0x94, 9, int)
+#endif
+
+#ifndef FICLONERANGE
+# define FICLONERANGE		_IOW(0x94, 13, struct file_clone_range)
+#endif
+
 /*
  * Helper function to get MAX_LFS_FILESIZE.
  * Missing PAGE_SHIFT on some libc prevents defining MAX_LFS_FILESIZE.

-- 
2.43.0