Re: linux-next: build failure after merge of the ext4 tree

[Aditya Kali <adityakali@google.com>]

Sorry for the trouble. The following patch should fix the build.


From: Aditya Kali <adityakali@google.com>
Date: Mon, 9 Jul 2012 18:42:28 -0700
Subject: [PATCH] ext4: Fix compilation error for ext4_enable_quotas

ext4_enable_quotas should only be called under CONFIG_QUOTA
block.

Signed-off-by: Aditya Kali <adityakali@google.com>
---
 fs/ext4/super.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index a9b87c3..e4b79fc 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4734,6 +4734,7 @@ static int ext4_remount(struct super_block *sb,
int *flags, char *data)
 	if (enable_quota) {
 		if (sb_any_quota_suspended(sb))
 			dquot_resume(sb, -1);
+#ifdef CONFIG_QUOTA
 		else if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
 					EXT4_FEATURE_RO_COMPAT_QUOTA)) {
 			err = ext4_enable_quotas(sb);
@@ -4742,6 +4743,7 @@ static int ext4_remount(struct super_block *sb,
int *flags, char *data)
 				goto restore_opts;
 			}
 		}
+#endif
 	}

 	ext4_msg(sb, KERN_INFO, "re-mounted. Opts: %s", orig_data);
-- 
1.7.7.3


On Mon, Jul 9, 2012 at 6:23 PM, Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> Hi Ted,
>
> After merging the ext4 tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
>
> fs/ext4/super.c: In function 'ext4_remount':
> fs/ext4/super.c:4739:4: error: implicit declaration of function 'ext4_enable_quotas' [-Werror=implicit-function-declaration]
>
> Caused by commit 182bb8fec8f5 ("ext4: make quota as first class supported
> feature").  The quota code needs to be protected by CONFIG_QUOTA.
>
> I have used the ext4 tree from next-20120709 for today.
> --
> Cheers,
> Stephen Rothwell                    sfr@canb.auug.org.au



-- 

Aditya