init: rename mount_block_root to mount_root_generic

mount_block_root is also used to mount non-block file systems, so give
it a better name.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230531125535.676098-7-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>

init/do_mounts.c

@@ -391,7 +391,7 @@ static int __init do_mount_root(const char *name, const char *fs,
 	return ret;
 }
 
-void __init mount_block_root(char *name, int flags)
+void __init mount_root_generic(char *name, int flags)
 {
 	struct page *page = alloc_page(GFP_KERNEL);
 	char *fs_names = page_address(page);
@@ -589,7 +589,7 @@ void __init mount_root(void)
 
 		if (err < 0)
 			pr_emerg("Failed to create /dev/root: %d\n", err);
-		mount_block_root("/dev/root", root_mountflags);
+		mount_root_generic("/dev/root", root_mountflags);
 	}
 #endif
 }
@@ -620,7 +620,7 @@ void __init prepare_namespace(void)
 		root_device_name = saved_root_name;
 		if (!strncmp(root_device_name, "mtd", 3) ||
 		    !strncmp(root_device_name, "ubi", 3)) {
-			mount_block_root(root_device_name, root_mountflags);
+			mount_root_generic(root_device_name, root_mountflags);
 			goto out;
 		}
 		ROOT_DEV = name_to_dev_t(root_device_name);

init/do_mounts.h

@@ -10,7 +10,7 @@
 #include <linux/root_dev.h>
 #include <linux/init_syscalls.h>
 
-void  mount_block_root(char *name, int flags);
+void  mount_root_generic(char *name, int flags);
 void  mount_root(void);
 extern int root_mountflags;
 

init/do_mounts_initrd.c

@@ -95,7 +95,7 @@ static void __init handle_initrd(void)
 	real_root_dev = new_encode_dev(ROOT_DEV);
 	create_dev("/dev/root.old", Root_RAM0);
 	/* mount initrd on rootfs' /root */
-	mount_block_root("/dev/root.old", root_mountflags & ~MS_RDONLY);
+	mount_root_generic("/dev/root.old", root_mountflags & ~MS_RDONLY);
 	init_mkdir("/old", 0700);
 	init_chdir("/old");