cp: optional --reflink support

function                                             old     new   delta
cp_main                                              428     512     +84
copy_file                                           1676    1742     +66

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/libbb.h b/include/libbb.h
index d4ba031df..94caba2bb 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -410,6 +410,9 @@ enum {	/* cp.c, mv.c, install.c depend on these values. CAREFUL when changing th
         FILEUTILS_PRESERVE_SECURITY_CONTEXT = 1 << 15, /* -c */
 #endif
         FILEUTILS_RMDEST          = 1 << (16 - !ENABLE_SELINUX), /* --remove-destination */
+        /* bit 17 skipped for "cp --parents" */
+        FILEUTILS_REFLINK         = 1 << (18 - !ENABLE_SELINUX), /* cp --reflink=auto */
+        FILEUTILS_REFLINK_ALWAYS  = 1 << (19 - !ENABLE_SELINUX), /* cp --reflink[=always] */
         /*
          * Hole. cp may have some bits set here,
          * they should not affect remove_file()/copy_file()