summaryrefslogtreecommitdiff
path: root/fs/nfs/delegation.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/nfs/delegation.h')
-rw-r--r--fs/nfs/delegation.h17
1 files changed, 4 insertions, 13 deletions
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h
index 56f3eb558ef4..2a74882e5d50 100644
--- a/fs/nfs/delegation.h
+++ b/fs/nfs/delegation.h
@@ -28,6 +28,7 @@ struct nfs_delegation {
enum {
NFS_DELEGATION_NEED_RECLAIM = 0,
NFS_DELEGATION_RETURN,
+ NFS_DELEGATION_REFERENCED,
};
int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res);
@@ -39,6 +40,7 @@ void nfs_inode_return_delegation_noreclaim(struct inode *inode);
struct inode *nfs_delegation_find_inode(struct nfs_client *clp, const struct nfs_fh *fhandle);
void nfs_super_return_all_delegations(struct super_block *sb);
void nfs_expire_all_delegations(struct nfs_client *clp);
+void nfs_expire_unreferenced_delegations(struct nfs_client *clp);
void nfs_handle_cb_pathdown(struct nfs_client *clp);
void nfs_client_return_marked_delegations(struct nfs_client *clp);
@@ -51,19 +53,8 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state
int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl);
int nfs4_copy_delegation_stateid(nfs4_stateid *dst, struct inode *inode);
-static inline int nfs_have_delegation(struct inode *inode, int flags)
-{
- struct nfs_delegation *delegation;
- int ret = 0;
-
- flags &= FMODE_READ|FMODE_WRITE;
- rcu_read_lock();
- delegation = rcu_dereference(NFS_I(inode)->delegation);
- if (delegation != NULL && (delegation->type & flags) == flags)
- ret = 1;
- rcu_read_unlock();
- return ret;
-}
+void nfs_mark_delegation_referenced(struct nfs_delegation *delegation);
+int nfs_have_delegation(struct inode *inode, int flags);
#else
static inline int nfs_have_delegation(struct inode *inode, int flags)