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Diffstat (limited to 'fs/nfs/delegation.c')
-rw-r--r--fs/nfs/delegation.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 325ba0663a6d..10ef46e29b25 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -307,7 +307,8 @@ nfs_start_delegation_return_locked(struct nfs_inode *nfsi)
if (delegation == NULL)
goto out;
spin_lock(&delegation->lock);
- if (!test_and_set_bit(NFS_DELEGATION_RETURNING, &delegation->flags)) {
+ if (delegation->inode &&
+ !test_and_set_bit(NFS_DELEGATION_RETURNING, &delegation->flags)) {
clear_bit(NFS_DELEGATION_RETURN_DELAYED, &delegation->flags);
/* Refcount matched in nfs_end_delegation_return() */
ret = nfs_get_delegation(delegation);
@@ -1020,13 +1021,6 @@ out:
nfs_inode_find_state_and_recover(inode, stateid);
}
-void nfs_remove_bad_delegation(struct inode *inode,
- const nfs4_stateid *stateid)
-{
- nfs_revoke_delegation(inode, stateid);
-}
-EXPORT_SYMBOL_GPL(nfs_remove_bad_delegation);
-
void nfs_delegation_mark_returned(struct inode *inode,
const nfs4_stateid *stateid)
{
@@ -1069,6 +1063,24 @@ out_rcu_unlock:
}
/**
+ * nfs_remove_bad_delegation - handle delegations that are unusable
+ * @inode: inode to process
+ * @stateid: the delegation's stateid
+ *
+ * If the server ACK-ed our FREE_STATEID then clean
+ * up the delegation, else mark and keep the revoked state.
+ */
+void nfs_remove_bad_delegation(struct inode *inode,
+ const nfs4_stateid *stateid)
+{
+ if (stateid && stateid->type == NFS4_FREED_STATEID_TYPE)
+ nfs_delegation_mark_returned(inode, stateid);
+ else
+ nfs_revoke_delegation(inode, stateid);
+}
+EXPORT_SYMBOL_GPL(nfs_remove_bad_delegation);
+
+/**
* nfs_expire_unused_delegation_types
* @clp: client to process
* @flags: delegation types to expire