Re: [RFC v3 02/13] vfs: introduce private radix tree structures

[David Sterba]

On Wed, Oct 10, 2012 at 06:07:24PM +0800, zwu.kernel@xxxxxxxxx wrote:
> +void hot_track_init(struct super_block *sb)
> +{
...
> +}

> +void hot_track_exit(struct super_block *sb)
> +{
> +	hot_cache_exit();
> +}

Needs to be exported if btrfs is built as a module, otherwise does not
link

  LDS     arch/x86/boot/compressed/vmlinux.lds
  AS      arch/x86/boot/compressed/head_64.o
  CC      arch/x86/boot/compressed/misc.o
  CC      arch/x86/boot/compressed/string.o
  CC      arch/x86/boot/compressed/cmdline.o
  CC      arch/x86/boot/compressed/early_serial_console.o
  OBJCOPY arch/x86/boot/compressed/vmlinux.bin
ERROR: "hot_track_init" [fs/btrfs/btrfs.ko] undefined!
ERROR: "hot_track_exit" [fs/btrfs/btrfs.ko] undefined!
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2
make: *** Waiting for unfinished jobs....


david
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