From 3f42bc4beadef554fd0d4e6408e9142da268613b Mon Sep 17 00:00:00 2001 From: Li Wang Date: Thu, 19 Dec 2013 06:03:48 -0800 Subject: ceph fscache: Introduce a routine for uncaching single no data page from fscache Signed-off-by: Li Wang Reviewed-by: Milosz Tanski --- fs/ceph/cache.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'fs/ceph/cache.h') diff --git a/fs/ceph/cache.h b/fs/ceph/cache.h index ba949408a336..da95f61b7a09 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 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) { -- cgit v1.2.3