On Wed, Oct 10, 2012 at 11:34 PM, David Sterba <dave@xxxxxxxx> wrote: > 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.... Sorry for late response at first. Great, thanks. > > > david -- Regards, Zhi Yong Wu -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html