Introduce a routine for uncaching single no-data page, typically
in readpage().
Signed-off-by: Li Wang <liwang@xxxxxxxxxxxxxxx>
---
fs/ceph/cache.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/fs/ceph/cache.h b/fs/ceph/cache.h
index ba94940..eb0ec76 100644
--- a/fs/ceph/cache.h
+++ b/fs/ceph/cache.h
@@ -67,6 +67,14 @@ static inline int ceph_release_fscache_page(struct page *page, gfp_t gfp)
return fscache_maybe_release_page(ci->fscache, page, gfp);
}
+
+static inline void cpeh_fscache_readpage_cancel(struct inode *inode,
+ struct page *page)
+{
+ struct ceph_inode_info *ci = ceph_inode(inode);
+ return fscache_readpage_cancel(ci->fscache, page);
+}
+
static inline void ceph_fscache_readpages_cancel(struct inode *inode,
struct list_head *pages)
{
@@ -145,6 +153,11 @@ static inline int ceph_release_fscache_page(struct page *page, gfp_t gfp)
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)
{
--
1.7.9.5
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