linux-kernel - Re: randconfig build error with next-20151013, in fs/xfs/libxfs/xfs

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Message-ID: <20151013204119.GI31326@dastard>
Date:	Wed, 14 Oct 2015 07:41:19 +1100
From:	Dave Chinner <david@...morbit.com>
To:	Jim Davis <jim.epost@...il.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next <linux-next@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>, xfs@....sgi.com
Subject: Re: randconfig build error with next-20151013, in
 fs/xfs/libxfs/xfs_alloc.c

On Tue, Oct 13, 2015 at 09:41:25AM -0700, Jim Davis wrote:
> Building with the attached random configuration file,
> 
> fs/built-in.o: In function `xfs_free_ag_extent':
> /home/jim/linux-next/fs/xfs/libxfs/xfs_alloc.c:1813: undefined
> reference to `xfsstats'

Please test the patch below.

-Dave.
-- 
Dave Chinner
david@...morbit.com


xfs: stats are no longer dependent on CONFIG_PROC_FS

From: Dave Chinner <dchinner@...hat.com>

So we need to fix the makefile to understand this, otherwise build
errors with CONFIG_PROC_FS=n occur.

Reported-by: Jim Davis <jim.epost@...il.com>
Signed-off-by: Dave Chinner <dchinner@...hat.com>
---
 fs/xfs/Makefile    | 2 +-
 fs/xfs/xfs_stats.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile
index 2fbf910..6506e87 100644
--- a/fs/xfs/Makefile
+++ b/fs/xfs/Makefile
@@ -84,6 +84,7 @@ xfs-y				+= xfs_aops.o \
 				   xfs_message.o \
 				   xfs_mount.o \
 				   xfs_mru_cache.o \
+				   xfs_stats.o \
 				   xfs_super.o \
 				   xfs_symlink.o \
 				   xfs_sysfs.o \
@@ -118,7 +119,6 @@ xfs-$(CONFIG_XFS_QUOTA)		+= xfs_dquot.o \
 xfs-$(CONFIG_XFS_RT)		+= xfs_rtalloc.o
 
 xfs-$(CONFIG_XFS_POSIX_ACL)	+= xfs_acl.o
-xfs-$(CONFIG_PROC_FS)		+= xfs_stats.o
 xfs-$(CONFIG_SYSCTL)		+= xfs_sysctl.o
 xfs-$(CONFIG_COMPAT)		+= xfs_ioctl32.o
 xfs-$(CONFIG_NFSD_PNFS)		+= xfs_pnfs.o
diff --git a/fs/xfs/xfs_stats.c b/fs/xfs/xfs_stats.c
index bd50619..8686df6 100644
--- a/fs/xfs/xfs_stats.c
+++ b/fs/xfs/xfs_stats.c
@@ -161,6 +161,7 @@ static const struct file_operations xqmstat_proc_fops = {
 };
 #endif /* CONFIG_XFS_QUOTA */
 
+#ifdef CONFIG_PROC_FS
 int
 xfs_init_procfs(void)
 {
@@ -191,3 +192,4 @@ xfs_cleanup_procfs(void)
 {
 	remove_proc_subtree("fs/xfs", NULL);
 }
+#endif /* CONFIG_PROC_FS */
--
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