fs/9p: Add v9fs_inode
Switch to the fscache code to v9fs_inode. We will later use
v9fs_inode in cache=loose mode to track the inode cache
validity timeout. Ie if we find an inode in cache older
that a specific jiffie range we will consider it stale
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
diff --git a/fs/9p/cache.h b/fs/9p/cache.h
index ec16fcd..049507a 100644
--- a/fs/9p/cache.h
+++ b/fs/9p/cache.h
@@ -25,20 +25,6 @@
#include <linux/fscache.h>
#include <linux/spinlock.h>
-extern struct kmem_cache *vcookie_cache;
-
-struct v9fs_cookie {
- spinlock_t lock;
- struct inode inode;
- struct fscache_cookie *fscache;
- struct p9_qid *qid;
-};
-
-static inline struct v9fs_cookie *v9fs_inode2cookie(const struct inode *inode)
-{
- return container_of(inode, struct v9fs_cookie, inode);
-}
-
extern struct fscache_netfs v9fs_cache_netfs;
extern const struct fscache_cookie_def v9fs_cache_session_index_def;
extern const struct fscache_cookie_def v9fs_cache_inode_index_def;
@@ -66,21 +52,6 @@
extern void __v9fs_readpage_to_fscache(struct inode *inode, struct page *page);
extern void __v9fs_fscache_wait_on_page_write(struct inode *inode,
struct page *page);
-/**
- * v9fs_cache_register - Register v9fs file system with the cache
- */
-static inline int v9fs_cache_register(void)
-{
- return __v9fs_cache_register();
-}
-
-/**
- * v9fs_cache_unregister - Unregister v9fs from the cache
- */
-static inline void v9fs_cache_unregister(void)
-{
- __v9fs_cache_unregister();
-}
static inline int v9fs_fscache_release_page(struct page *page,
gfp_t gfp)
@@ -117,18 +88,18 @@
static inline void v9fs_uncache_page(struct inode *inode, struct page *page)
{
- struct v9fs_cookie *vcookie = v9fs_inode2cookie(inode);
- fscache_uncache_page(vcookie->fscache, page);
+ struct v9fs_inode *v9inode = V9FS_I(inode);
+ fscache_uncache_page(v9inode->fscache, page);
BUG_ON(PageFsCache(page));
}
-static inline void v9fs_vcookie_set_qid(struct inode *inode,
+static inline void v9fs_fscache_set_key(struct inode *inode,
struct p9_qid *qid)
{
- struct v9fs_cookie *vcookie = v9fs_inode2cookie(inode);
- spin_lock(&vcookie->lock);
- vcookie->qid = qid;
- spin_unlock(&vcookie->lock);
+ struct v9fs_inode *v9inode = V9FS_I(inode);
+ spin_lock(&v9inode->fscache_lock);
+ v9inode->fscache_key = qid;
+ spin_unlock(&v9inode->fscache_lock);
}
static inline void v9fs_fscache_wait_on_page_write(struct inode *inode,
@@ -139,13 +110,6 @@
#else /* CONFIG_9P_FSCACHE */
-static inline int v9fs_cache_register(void)
-{
- return 1;
-}
-
-static inline void v9fs_cache_unregister(void) {}
-
static inline int v9fs_fscache_release_page(struct page *page,
gfp_t gfp) {
return 1;
@@ -174,10 +138,6 @@
static inline void v9fs_uncache_page(struct inode *inode, struct page *page)
{}
-static inline void v9fs_vcookie_set_qid(struct inode *inode,
- struct p9_qid *qid)
-{}
-
static inline void v9fs_fscache_wait_on_page_write(struct inode *inode,
struct page *page)
{