nfsdcld: add function to remove unreclaimed client records

[nfs-utils.git] / utils / nfsdcld / nfsdcld.c

diff --git a/utils/nfsdcld/nfsdcld.c b/utils/nfsdcld/nfsdcld.c
index 2dfd7ecc7d9c08765fa92a9afc4aaf34297fa224..2d118681abbb5f11809898a072cbea1a5d944bf1 100644 (file)
--- a/utils/nfsdcld/nfsdcld.c
+++ b/utils/nfsdcld/nfsdcld.c
@@ -231,6 +231,37 @@ cld_check(struct cld_client *clnt)
        }
 }
 
+static void
+cld_gracedone(struct cld_client *clnt)
+{
+       int ret;
+       ssize_t bsize, wsize;
+       struct cld_msg *cmsg = &clnt->cl_msg;
+
+       xlog(D_GENERAL, "%s: grace done. cm_gracetime=%ld", __func__,
+                       cmsg->cm_u.cm_gracetime);
+
+       ret = sqlite_remove_unreclaimed(cmsg->cm_u.cm_gracetime);
+
+       /* set up reply: downcall with 0 status */
+       cmsg->cm_status = ret ? -EREMOTEIO : ret;
+
+       bsize = sizeof(*cmsg);
+
+       xlog(D_GENERAL, "Doing downcall with status %d", cmsg->cm_status);
+       wsize = atomicio((void *)write, clnt->cl_fd, cmsg, bsize);
+       if (wsize != bsize) {
+               xlog(L_ERROR, "%s: problem writing to cld pipe (%ld): %m",
+                        __func__, wsize);
+               ret = cld_pipe_open(clnt);
+               if (ret) {
+                       xlog(L_FATAL, "%s: unable to reopen pipe: %d",
+                                       __func__, ret);
+                       exit(ret);
+               }
+       }
+}
+
 static void
 cldcb(int UNUSED(fd), short which, void *data)
 {
@@ -265,6 +296,9 @@ cldcb(int UNUSED(fd), short which, void *data)
        case Cld_Check:
                cld_check(clnt);
                break;
+       case Cld_GraceDone:
+               cld_gracedone(clnt);
+               break;
        default:
                xlog(L_WARNING, "%s: command %u is not yet implemented",
                                __func__, cmsg->cm_cmd);