If client is shutting down and there are still async copies going
on, then stop queued async copies.
Signed-off-by: Olga Kornievskaia <kolga@xxxxxxxxxx>
---
fs/nfsd/nfs4proc.c | 13 +++++++++++++
fs/nfsd/nfs4state.c | 1 +
fs/nfsd/state.h | 1 +
3 files changed, 15 insertions(+)
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 78e25db..b00701d 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1098,6 +1098,19 @@ static void nfs4_put_copy(struct nfsd4_copy *copy)
kfree(copy);
}
+void nfsd4_shutdown_copy(struct nfs4_client *clp)
+{
+ struct nfsd4_copy *copy;
+
+ spin_lock(&clp->async_lock);
+ list_for_each_entry(copy, &clp->async_copies, copies) {
+ set_tsk_thread_flag(copy->copy_task, TIF_SIGPENDING);
+ kthread_stop(copy->copy_task);
+ nfs4_put_copy(copy);
+ }
+ spin_unlock(&clp->async_lock);
+}
+
static void nfsd4_cb_offload_release(struct nfsd4_callback *cb)
{
struct nfsd4_copy *copy = container_of(cb, struct nfsd4_copy, cp_cb);
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index f9151f2..efac39d 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1947,6 +1947,7 @@ static __be32 mark_client_expired_locked(struct nfs4_client *clp)
}
nfsd4_return_all_client_layouts(clp);
nfsd4_shutdown_callback(clp);
+ nfsd4_shutdown_copy(clp);
if (clp->cl_cb_conn.cb_xprt)
svc_xprt_put(clp->cl_cb_conn.cb_xprt);
free_client(clp);
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index b4de8ae..88869df 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -643,6 +643,7 @@ extern void nfsd4_init_cb(struct nfsd4_callback *cb, struct nfs4_client *clp,
extern int nfsd4_create_callback_queue(void);
extern void nfsd4_destroy_callback_queue(void);
extern void nfsd4_shutdown_callback(struct nfs4_client *);
+extern void nfsd4_shutdown_copy(struct nfs4_client *clp);
extern void nfsd4_prepare_cb_recall(struct nfs4_delegation *dp);
extern struct nfs4_client_reclaim *nfs4_client_to_reclaim(const char *name,
struct nfsd_net *nn);
--
1.8.3.1
--
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