Signed-off-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx>
---
src/cloner.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/src/cloner.c b/src/cloner.c
index ffad82f0..9f9156e5 100644
--- a/src/cloner.c
+++ b/src/cloner.c
@@ -120,6 +120,18 @@ clone_file_range_btrfs(int src_fd, int dst_fd, uint64_t src_off,
}
static int
+clone_file_range_cifs(int fd_in, int fd_out, loff_t off_in,
+ loff_t off_out, size_t len)
+{
+ int ret;
+
+ ret = copy_file_range(fd_in, &off_in, fd_out, &off_out, len, 0);
+ if (ret < 0)
+ ret = errno;
+ return 0;
+}
+
+static int
clone_file_range(unsigned int fs_type, int src_fd, int dst_fd, uint64_t src_off,
uint64_t dst_off, uint64_t len)
{
@@ -128,7 +140,9 @@ clone_file_range(unsigned int fs_type, int src_fd, int dst_fd, uint64_t src_off,
return clone_file_range_btrfs(src_fd, dst_fd, src_off, dst_off,
len);
break;
- case CIFS_MAGIC_NUMBER: /* only supports full file server-side copies */
+ case CIFS_MAGIC_NUMBER:
+ return clone_file_range_cifs(src_fd, dst_fd, src_off, dst_off,
+ len);
default:
return ENOTSUP;
break;
--
2.13.3
