[PATCH 1/1] NFS: Fix build breakge when CONFIG_NFS_FSCACHE is not defined

[Vaibhav Bedia]

Commit de242c0b (NFS: Use FS-Cache invalidation) introduced
a build breakge for the case where CONFIG_NFS_FSCACHE is not
defined.

...
fs/nfs/inode.c: In function 'nfs_invalidate_mapping':
fs/nfs/inode.c: error: implicit declaration of function 'nfs_fscache_wait_on_invalidate'
make[2]: *** [fs/nfs/inode.o] Error 1

Add an empty function similar to fix this.

Signed-off-by: Vaibhav Bedia <vaibhav.bedia@xxxxxx>
---
 fs/nfs/fscache.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/fs/nfs/fscache.h b/fs/nfs/fscache.h
index 277b027..e06d4f4 100644
--- a/fs/nfs/fscache.h
+++ b/fs/nfs/fscache.h
@@ -223,6 +223,8 @@ static inline void nfs_readpage_to_fscache(struct inode *inode,
 
 static inline void nfs_fscache_invalidate(struct inode *inode) {}
 
+static inline void nfs_fscache_wait_on_invalidate(struct inode *inode) {}
+
 static inline const char *nfs_server_fscache_state(struct nfs_server *server)
 {
 	return "no ";
-- 
1.7.0.4

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