[Qemu-devel] [PATCH v2] linux-user: Add FICLONE and FICLONERANGE ioctls

[Helge Deller]

Add missing FICLONE and FICLONERANGE ioctls.

Changes to v1:
- Added STRUCT_file_clone_range as suggested by Laurent Vivier

Signed-off-by: Helge Deller <address@hidden>

diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index 2f6e85b..e6997ff 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -112,6 +112,11 @@
 #ifdef FIBMAP
      IOCTL(FIBMAP, IOC_W | IOC_R, MK_PTR(TYPE_LONG))
 #endif
+#ifdef FICLONE
+     IOCTL(FICLONE, IOC_W, TYPE_INT)
+     IOCTL(FICLONERANGE, IOC_W, MK_PTR(MK_STRUCT(STRUCT_file_clone_range)))
+#endif
+
 #ifdef FIGETBSZ
      IOCTL(FIGETBSZ, IOC_R, MK_PTR(TYPE_LONG))
 #endif
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 4442c22..72ca5b1 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -1086,6 +1086,10 @@ struct target_pollfd {
 
 #define TARGET_FIBMAP     TARGET_IO(0x00,1)  /* bmap access */
 #define TARGET_FIGETBSZ   TARGET_IO(0x00,2)  /* get the block size used for 
bmap */
+
+#define TARGET_FICLONE    TARGET_IOW(0x94, 9, int)
+#define TARGET_FICLONERANGE TARGET_IOW(0x94, 13, struct file_clone_range)
+
 /* Note that the ioctl numbers claim type "long" but the actual type
  * used by the kernel is "int".
  */
diff --git a/linux-user/syscall_types.h b/linux-user/syscall_types.h
index 2b8c0c6..24631b0 100644
--- a/linux-user/syscall_types.h
+++ b/linux-user/syscall_types.h
@@ -232,6 +232,12 @@ STRUCT(dm_target_versions,
 STRUCT(dm_target_msg,
        TYPE_ULONGLONG) /* sector */
 
+STRUCT(file_clone_range,
+       TYPE_LONGLONG, /* src_fd */
+       TYPE_ULONGLONG, /* src_offset */
+       TYPE_ULONGLONG, /* src_length */
+       TYPE_ULONGLONG) /* dest_offset */
+
 STRUCT(fiemap_extent,
        TYPE_ULONGLONG, /* fe_logical */
        TYPE_ULONGLONG, /* fe_physical */