On Wed, Sep 14, 2016 at 12:01:31PM +0200, Christoph Hellwig wrote:
> Signed-off-by: Christoph Hellwig <h...@lst.de>
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.zwis...@linux.intel.com>
---
>From 9c084641049990339b40bfd52a0aebf300d896ea Mon Sep 17 00:00:00 2001
From: Ross Zwisler <ross.zwis...@linux.intel.com>
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.zwis...@linux.intel.com>
---
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
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