On Wed, Sep 14, 2016 at 12:01:31PM +0200, Christoph Hellwig wrote: > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Now that ext2 is using IOMAP, we need to select FS_IOMAP when EXT2_FS is selected else we get a build error: fs/built-in.o: In function `ext2_dax_fault': /home/rzwisler/project/review/fs/ext2/file.c:112: undefined reference to `iomap_dax_fault' fs/built-in.o: In function `ext2_dax_write_iter': /home/rzwisler/project/review/fs/ext2/file.c:75: undefined reference to `iomap_dax_rw' fs/built-in.o: In function `ext2_dax_read_iter': /home/rzwisler/project/review/fs/ext2/file.c:45: undefined reference to `iomap_dax_rw' Makefile:949: recipe for target 'vmlinux' failed make: *** [vmlinux] Error 1 With the following patch squashed into this commit: Reviewed-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx> --- >From 9c084641049990339b40bfd52a0aebf300d896ea Mon Sep 17 00:00:00 2001 From: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx> Date: Wed, 14 Sep 2016 16:48:36 -0600 Subject: [PATCH] ext2: build in FS_IOMAP support needed by ext2 Signed-off-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx> --- fs/ext2/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ext2/Kconfig b/fs/ext2/Kconfig index c634874e..3391f48 100644 --- a/fs/ext2/Kconfig +++ b/fs/ext2/Kconfig @@ -1,5 +1,6 @@ config EXT2_FS tristate "Second extended fs support" + select FS_IOMAP help Ext2 is a standard Linux file system for hard disks. -- 2.9.0 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
