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-rw-r--r--fs/nfs/nfs4proc.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 54ff465cf7cf..e6a9322a321f 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3124,6 +3124,24 @@ nfs4_proc_lock(struct file *filp, int cmd, struct file_lock *request)
return status;
}
+int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl)
+{
+ struct nfs_server *server = NFS_SERVER(state->inode);
+ struct nfs4_exception exception = { };
+ int err;
+
+ err = nfs4_set_lock_state(state, fl);
+ if (err != 0)
+ goto out;
+ do {
+ err = _nfs4_do_setlk(state, F_SETLK, fl, 0);
+ if (err != -NFS4ERR_DELAY)
+ break;
+ err = nfs4_handle_exception(server, err, &exception);
+ } while (exception.retry);
+out:
+ return err;
+}
#define XATTR_NAME_NFSV4_ACL "system.nfs4_acl"