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>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index cc013ed2e52e..a36e01cd6321 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 @@ struct nfs_inode {
         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 @@ struct nfs_inode {
 #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)
 {