The code needs to be able to work from inside an asynchronous context.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
fs/nfs/delegation.c | 6 ++----
fs/nfs/nfs4proc.c | 8 +++-----
2 files changed, 5 insertions(+), 9 deletions(-)
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index be806ead7f4d..5166adcfc0fb 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -721,14 +721,12 @@ int nfs_async_inode_return_delegation(struct inode *inode,
struct nfs_client *clp = server->nfs_client;
struct nfs_delegation *delegation;
- filemap_flush(inode->i_mapping);
-
rcu_read_lock();
delegation = rcu_dereference(NFS_I(inode)->delegation);
if (delegation == NULL)
goto out_enoent;
-
- if (!clp->cl_mvops->match_stateid(&delegation->stateid, stateid))
+ if (stateid != NULL &&
+ !clp->cl_mvops->match_stateid(&delegation->stateid, stateid))
goto out_enoent;
nfs_mark_return_delegation(server, delegation);
rcu_read_unlock();
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index b6bf246b9b6c..af3168c2b35d 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -361,11 +361,9 @@ int nfs4_do_handle_exception(struct nfs_server *server, int errorcode, struct nf
case -NFS4ERR_DELEG_REVOKED:
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_BAD_STATEID:
- if (inode && nfs4_have_delegation(inode, FMODE_READ)) {
- nfs4_inode_return_delegation(inode);
- exception->retry = 1;
- return 0;
- }
+ if (inode && nfs_async_inode_return_delegation(inode,
+ NULL) == 0)
+ goto wait_on_recovery;
if (state == NULL)
break;
ret = nfs4_schedule_stateid_recovery(server, state);
--
2.4.3
--
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