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@xxxxxxxxx>
Signed-off-by: Peng Tao <tao.peng@xxxxxxxxxxxxxxx>
---
fs/nfs/pnfs.c | 2 ++
fs/nfs/pnfs.h | 12 ++++++++++--
2 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index e5bd626..546cbbe 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -2249,6 +2249,7 @@ struct nfs4_threshold *pnfs_mdsthreshold_alloc(void)
return thp;
}
+#if IS_ENABLED(CONFIG_NFS_V4_2)
int
pnfs_report_layoutstat(struct inode *inode)
{
@@ -2303,3 +2304,4 @@ out_put:
goto out;
}
EXPORT_SYMBOL_GPL(pnfs_report_layoutstat);
+#endif
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 0a47239..3e6ab7b 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 */
--
1.8.3.1
--
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