NFS: Add a global LRU list for the ACCESS cache
...in order to allow the addition of a memory shrinker.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index cc013ed..a36e01cd 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -71,6 +71,7 @@
*/
struct nfs_access_entry {
struct rb_node rb_node;
+ struct list_head lru;
unsigned long jiffies;
struct rpc_cred * cred;
int mask;
@@ -148,6 +149,8 @@
atomic_t data_updates;
struct rb_root access_cache;
+ struct list_head access_cache_entry_lru;
+ struct list_head access_cache_inode_lru;
#ifdef CONFIG_NFS_V3_ACL
struct posix_acl *acl_access;
struct posix_acl *acl_default;
@@ -201,6 +204,7 @@
#define NFS_INO_REVALIDATING (0) /* revalidating attrs */
#define NFS_INO_ADVISE_RDPLUS (1) /* advise readdirplus */
#define NFS_INO_STALE (2) /* possible stale inode */
+#define NFS_INO_ACL_LRU_SET (3) /* Inode is on the LRU list */
static inline struct nfs_inode *NFS_I(struct inode *inode)
{