growfs: add support for resizing encrypted partitions

src/shared/dissect-image.c

@@ -51,7 +51,7 @@
 #include "udev-util.h"
 #include "xattr-util.h"
 
-_unused_ static int probe_filesystem(const char *node, char **ret_fstype) {
+int probe_filesystem(const char *node, char **ret_fstype) {
 #if HAVE_BLKID
         _cleanup_blkid_free_probe_ blkid_probe b = NULL;
         const char *fstype;

src/shared/dissect-image.h

@@ -86,6 +86,7 @@ struct DissectedImage {
         char **os_release;
 };
 
+int probe_filesystem(const char *node, char **ret_fstype);
 int dissect_image(int fd, const void *root_hash, size_t root_hash_size, DissectImageFlags flags, DissectedImage **ret);
 
 DissectedImage* dissected_image_unref(DissectedImage *m);