diff options
Diffstat (limited to 'src/copy.c')
| -rw-r--r-- | src/copy.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/copy.c b/src/copy.c index 97cc20d29..0f9aa5244 100644 --- a/src/copy.c +++ b/src/copy.c @@ -90,6 +90,10 @@ # define FICLONE _IOW (0x94, 9, int) #endif +#if HAVE_FCLONEFILEAT && !USE_XATTR +# include <sys/clonefile.h> +#endif + #ifndef HAVE_FCHOWN # define HAVE_FCHOWN false # define fchown(fd, uid, gid) (-1) @@ -1245,6 +1249,14 @@ copy_reg (char const *src_name, char const *dst_name, if (*new_dst) { +#if HAVE_FCLONEFILEAT && !USE_XATTR + int clone_flags = x->preserve_ownership ? 0 : CLONE_NOOWNERCOPY; + if (data_copy_required && x->reflink_mode + && x->preserve_mode && x->preserve_timestamps + && fclonefileat (source_desc, AT_FDCWD, dst_name, clone_flags) == 0) + goto close_src_desc; +#endif + /* To allow copying xattrs on read-only files, create with u+w. This satisfies an inode permission check done by xattr_permission in fs/xattr.c of the GNU/Linux kernel. */ |