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nfsd4: make sure sequence flags are set after destroy_session

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If this loses any backchannel, make sure we have a chance to notice that
and set the sequence flags.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2010-12-09 15:52:19 -05:00
parent eea4980660
commit 84f5f7ccc5
3 changed files with 8 additions and 2 deletions
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6
fs/nfsd/nfs4callback.c
View File

@ -589,6 +589,12 @@ void nfsd4_probe_callback(struct nfs4_client *clp)
do_probe_callback(clp);
}
void nfsd4_probe_callback_sync(struct nfs4_client *clp)
{
nfsd4_probe_callback(clp);
flush_workqueue(callback_wq);
}
void nfsd4_change_callback(struct nfs4_client *clp, struct nfs4_cb_conn *conn)
{
clp->cl_cb_state = NFSD4_CB_UNKNOWN;

3
fs/nfsd/nfs4state.c
View File

@ -1686,8 +1686,7 @@ nfsd4_destroy_session(struct svc_rqst *r,
spin_unlock(&client_lock);
nfs4_lock_state();
/* wait for callbacks */
nfsd4_shutdown_callback(ses->se_client);
nfsd4_probe_callback_sync(ses->se_client);
nfs4_unlock_state();
nfsd4_del_conns(ses);

1
fs/nfsd/state.h
View File

@ -464,6 +464,7 @@ extern __be32 nfs4_check_open_reclaim(clientid_t *clid);
extern void nfs4_free_stateowner(struct kref *kref);
extern int set_callback_cred(void);
extern void nfsd4_probe_callback(struct nfs4_client *clp);
extern void nfsd4_probe_callback_sync(struct nfs4_client *clp);
extern void nfsd4_change_callback(struct nfs4_client *clp, struct nfs4_cb_conn *);
extern void nfsd4_do_callback_rpc(struct work_struct *);
extern void nfsd4_cb_recall(struct nfs4_delegation *dp);