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authorLi Wang <liwang@ubuntukylin.com>2013-12-19 18:03:48 +0400
committerIlya Dryomov <ilya.dryomov@inktank.com>2013-12-31 22:32:02 +0400
commit3f42bc4beadef554fd0d4e6408e9142da268613b (patch)
treef6a565c4d76a2f0cef40c6712410161cd8b07a5e /fs/ceph/cache.h
parent7221fe4c2ed72804b28633c8e0217d65abb0023f (diff)
downloadlinux-3f42bc4beadef554fd0d4e6408e9142da268613b.tar.xz
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>
Diffstat (limited to 'fs/ceph/cache.h')
-rw-r--r--fs/ceph/cache.h13
1 files changed, 13 insertions, 0 deletions
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)
{