Merge remote-tracking branch 'lsk/v3.10/topic/coresight' into linux-linaro-lsk

[firefly-linux-kernel-4.4.55.git] / fs / nfs / fscache.h

diff --git a/fs/nfs/fscache.h b/fs/nfs/fscache.h
index c5b11b53ff33b33d4249a88443b102ae33f00df5..4ecb76652eba6059402c0d9e7320e4cdc1603b82 100644 (file)
--- a/fs/nfs/fscache.h
+++ b/fs/nfs/fscache.h
@@ -152,6 +152,22 @@ static inline void nfs_readpage_to_fscache(struct inode *inode,
                __nfs_readpage_to_fscache(inode, page, sync);
 }
 
+/*
+ * Invalidate the contents of fscache for this inode.  This will not sleep.
+ */
+static inline void nfs_fscache_invalidate(struct inode *inode)
+{
+       fscache_invalidate(NFS_I(inode)->fscache);
+}
+
+/*
+ * Wait for an object to finish being invalidated.
+ */
+static inline void nfs_fscache_wait_on_invalidate(struct inode *inode)
+{
+       fscache_wait_on_invalidate(NFS_I(inode)->fscache);
+}
+
 /*
  * indicate the client caching state as readable text
  */
@@ -162,7 +178,6 @@ static inline const char *nfs_server_fscache_state(struct nfs_server *server)
        return "no ";
 }
 
-
 #else /* CONFIG_NFS_FSCACHE */
 static inline int nfs_fscache_register(void) { return 0; }
 static inline void nfs_fscache_unregister(void) {}
@@ -205,6 +220,10 @@ static inline int nfs_readpages_from_fscache(struct nfs_open_context *ctx,
 static inline void nfs_readpage_to_fscache(struct inode *inode,
                                           struct page *page, int sync) {}
 
+
+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 ";