From 4816fdadab9ff874ec1a4138dad43b636c7d220b Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Sun, 20 Sep 2015 14:58:42 -0400 Subject: NFSv4: Don't use synchronous delegation recall in exception handling The code needs to be able to work from inside an asynchronous context. Signed-off-by: Trond Myklebust --- fs/nfs/delegation.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'fs/nfs/delegation.c') 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(); -- cgit v1.2.1