ceph fscache: Introduce a routine for uncaching single no data page from fscache
Signed-off-by: Li Wang <liwang@ubuntukylin.com>
Reviewed-by: Milosz Tanski <milosz@adfin.com>
diff --git a/fs/ceph/cache.h b/fs/ceph/cache.h
index ba94940..da95f61 100644
--- a/fs/ceph/cache.h
+++ b/fs/ceph/cache.h
@@ -67,6 +67,14 @@
return fscache_maybe_release_page(ci->fscache, page, gfp);
}
+static inline void ceph_fscache_readpage_cancel(struct inode *inode,
+ struct page *page)
+{
+ struct ceph_inode_info *ci = ceph_inode(inode);
+ if (fscache_cookie_valid(ci->fscache) && PageFsCache(page))
+ __fscache_uncache_page(ci->fscache, page);
+}
+
static inline void ceph_fscache_readpages_cancel(struct inode *inode,
struct list_head *pages)
{
@@ -145,6 +153,11 @@
return 1;
}
+static inline void ceph_fscache_readpage_cancel(struct inode *inode,
+ struct page *page)
+{
+}
+
static inline void ceph_fscache_readpages_cancel(struct inode *inode,
struct list_head *pages)
{