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Commit 3f42bc4b authored by Li Wang's avatar Li Wang Committed by Ilya Dryomov
Browse files

ceph fscache: Introduce a routine for uncaching single no data page from fscache 



Signed-off-by: default avatarLi Wang <liwang@ubuntukylin.com>
Reviewed-by: default avatarMilosz Tanski <milosz@adfin.com>
parent 7221fe4c

fs/ceph/cache.h

+13 −0
Original line number Diff line number Diff line
@@ -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 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 @@ 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)

{