static void handle_subscribe_ack(struct ceph_mon_client *monc,
struct ceph_msg *msg)
{
unsigned seconds;
struct ceph_mon_subscribe_ack *h = msg->front.iov_base;
if (msg->front.iov_len < sizeof(*h))
goto bad;
seconds = le32_to_cpu(h->duration);
mutex_lock(&monc->mutex);
if (monc->hunting) {
pr_info("mon%d %s session established\n",
monc->cur_mon,
ceph_pr_addr(&monc->con->peer_addr.in_addr));
monc->hunting = false;
}
dout("handle_subscribe_ack after %d seconds\n", seconds);
monc->sub_renew_after = monc->sub_sent + (seconds >> 1)*HZ - 1;
monc->sub_sent = 0;
mutex_unlock(&monc->mutex);
return;
bad:
pr_err("got corrupt subscribe-ack msg\n");
ceph_msg_dump(msg);
}
void ceph_handle_quota(struct ceph_mds_client *mdsc,
struct ceph_mds_session *session,
struct ceph_msg *msg)
{
struct super_block *sb = mdsc->fsc->sb;
struct ceph_mds_quota *h = msg->front.iov_base;
struct ceph_vino vino;
struct inode *inode;
struct ceph_inode_info *ci;
if (msg->front.iov_len < sizeof(*h)) {
pr_err("%s corrupt message mds%d len %d\n", __func__,
session->s_mds, (int)msg->front.iov_len);
ceph_msg_dump(msg);
return;
}
/* increment msg sequence number */
mutex_lock(&session->s_mutex);
session->s_seq++;
mutex_unlock(&session->s_mutex);
/* lookup inode */
vino.ino = le64_to_cpu(h->ino);
vino.snap = CEPH_NOSNAP;
inode = ceph_find_inode(sb, vino);
if (!inode) {
pr_warn("Failed to find inode %llu\n", vino.ino);
return;
}
ci = ceph_inode(inode);
spin_lock(&ci->i_ceph_lock);
ci->i_rbytes = le64_to_cpu(h->rbytes);
ci->i_rfiles = le64_to_cpu(h->rfiles);
ci->i_rsubdirs = le64_to_cpu(h->rsubdirs);
__ceph_update_quota(ci, le64_to_cpu(h->max_bytes),
le64_to_cpu(h->max_files));
spin_unlock(&ci->i_ceph_lock);
iput(inode);
}
