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authorPeng Tao <tao.peng@primarydata.com>2015-06-25 18:19:32 +0800
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-06-26 14:01:37 -0400
commit865a7ecb2131a3ba26cc1d49daf18275375109f0 (patch)
tree67d77d73581a6529d787ec02efd8a6b86e692d54 /fs
parent97ba375b5df43790aa82c256f7f16ee8eb95c272 (diff)
downloadlinux-865a7ecb2131a3ba26cc1d49daf18275375109f0.tar.gz
nfs: provide pnfs_report_layoutstat when NFS42 is disabled
kbuild test robot reported:
   fs/built-in.o: In function `pnfs_report_layoutstat':
>> (.text+0x151a1c): undefined reference to `nfs42_proc_layoutstats_generic'

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/pnfs.c2
-rw-r--r--fs/nfs/pnfs.h12
2 files changed, 12 insertions, 2 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 5b5224341bcd..40bacebb5b97 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -2252,6 +2252,7 @@ struct nfs4_threshold *pnfs_mdsthreshold_alloc(void)
 	return thp;
 }
 
+#if IS_ENABLED(CONFIG_NFS_V4_2)
 int
 pnfs_report_layoutstat(struct inode *inode)
 {
@@ -2306,3 +2307,4 @@ out_put:
 	goto out;
 }
 EXPORT_SYMBOL_GPL(pnfs_report_layoutstat);
+#endif
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 0a4723945db2..3e6ab7bfbabd 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -292,8 +292,6 @@ int pnfs_write_done_resend_to_mds(struct nfs_pgio_header *);
 struct nfs4_threshold *pnfs_mdsthreshold_alloc(void);
 void pnfs_error_mark_layout_for_return(struct inode *inode,
 				       struct pnfs_layout_segment *lseg);
-int pnfs_report_layoutstat(struct inode *inode);
-
 /* nfs4_deviceid_flags */
 enum {
 	NFS_DEVICEID_INVALID = 0,       /* set when MDS clientid recalled */
@@ -692,4 +690,14 @@ static inline void nfs4_pnfs_v3_ds_connect_unload(void)
 
 #endif /* CONFIG_NFS_V4_1 */
 
+#if IS_ENABLED(CONFIG_NFS_V4_2)
+int pnfs_report_layoutstat(struct inode *inode);
+#else
+static inline int
+pnfs_report_layoutstat(struct inode *inode)
+{
+	return 0;
+}
+#endif
+
 #endif /* FS_NFS_PNFS_H */