fs/9p: [fscache] wait for page write in cached mode
We need to call fscache_wait_on_page_write in launder_page
for fscache
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
diff --git a/fs/9p/cache.h b/fs/9p/cache.h
index a94192b..ec16fcd 100644
--- a/fs/9p/cache.h
+++ b/fs/9p/cache.h
@@ -64,8 +64,8 @@
struct list_head *pages,
unsigned *nr_pages);
extern void __v9fs_readpage_to_fscache(struct inode *inode, struct page *page);
-
-
+extern void __v9fs_fscache_wait_on_page_write(struct inode *inode,
+ struct page *page);
/**
* v9fs_cache_register - Register v9fs file system with the cache
*/
@@ -131,6 +131,12 @@
spin_unlock(&vcookie->lock);
}
+static inline void v9fs_fscache_wait_on_page_write(struct inode *inode,
+ struct page *page)
+{
+ return __v9fs_fscache_wait_on_page_write(inode, page);
+}
+
#else /* CONFIG_9P_FSCACHE */
static inline int v9fs_cache_register(void)
@@ -172,5 +178,11 @@
struct p9_qid *qid)
{}
+static inline void v9fs_fscache_wait_on_page_write(struct inode *inode,
+ struct page *page)
+{
+ return;
+}
+
#endif /* CONFIG_9P_FSCACHE */
#endif /* _9P_CACHE_H */