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-rw-r--r--fs/9p/cache.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/9p/cache.c b/fs/9p/cache.c
index 0dbe0d1..610913d 100644
--- a/fs/9p/cache.c
+++ b/fs/9p/cache.c
@@ -461,3 +461,14 @@ void __v9fs_readpage_to_fscache(struct inode *inode, struct page *page)
if (ret != 0)
v9fs_uncache_page(inode, page);
}
+
+/*
+ * wait for a page to complete writing to the cache
+ */
+void __v9fs_fscache_wait_on_page_write(struct inode *inode, struct page *page)
+{
+ const struct v9fs_cookie *vcookie = v9fs_inode2cookie(inode);
+ P9_DPRINTK(P9_DEBUG_FSC, "inode %p page %p", inode, page);
+ if (PageFsCache(page))
+ fscache_wait_on_page_write(vcookie->fscache, page);
+}
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