Re: randconfig build error with next-20151013, in fs/xfs/libxfs/xfs_alloc.c

[Dave Chinner <david@xxxxxxxxxxxxx>]

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@xxxxxxxxxxxxx


xfs: stats are no longer dependent on CONFIG_PROC_FS

From: Dave Chinner <dchinner@xxxxxxxxxx>

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@xxxxxxxxx>
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
---
 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 */