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drbd: process_done_ee() has to handle unconfigured devices now

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Took the chance and converted tconn_process_done_ee() to use
idr_for_each_entry()

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2011-03-15 16:05:42 +01:00
parent 2de876efa6
commit 082a3439a2
1 changed files with 18 additions and 26 deletions
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44
drivers/block/drbd/drbd_receiver.c
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@ -404,7 +404,7 @@ static int drbd_process_done_ee(struct drbd_conf *mdev)
LIST_HEAD(work_list);
LIST_HEAD(reclaimed);
struct drbd_peer_request *peer_req, *t;
int ok = (mdev->state.conn >= C_WF_REPORT_PARAMS);
int ok = 1;
spin_lock_irq(&mdev->tconn->req_lock);
reclaim_net_ee(mdev, &reclaimed);
@ -4667,37 +4667,27 @@ static int got_skip(struct drbd_conf *mdev, enum drbd_packet cmd)
return true;
}
static int _drbd_process_done_ee(int vnr, void *p, void *data)
{
struct drbd_conf *mdev = (struct drbd_conf *)p;
return !drbd_process_done_ee(mdev);
}
static int _check_ee_empty(int vnr, void *p, void *data)
{
struct drbd_conf *mdev = (struct drbd_conf *)p;
struct drbd_tconn *tconn = mdev->tconn;
int not_empty;
spin_lock_irq(&tconn->req_lock);
not_empty = !list_empty(&mdev->done_ee);
spin_unlock_irq(&tconn->req_lock);
return not_empty;
}
static int tconn_process_done_ee(struct drbd_tconn *tconn)
{
int not_empty, err;
struct drbd_conf *mdev;
int i, not_empty = 0;
do {
clear_bit(SIGNAL_ASENDER, &tconn->flags);
flush_signals(current);
err = idr_for_each(&tconn->volumes, _drbd_process_done_ee, NULL);
if (err)
return err;
idr_for_each_entry(&tconn->volumes, mdev, i) {
if (!drbd_process_done_ee(mdev))
return 1; /* error */
}
set_bit(SIGNAL_ASENDER, &tconn->flags);
not_empty = idr_for_each(&tconn->volumes, _check_ee_empty, NULL);
spin_lock_irq(&tconn->req_lock);
idr_for_each_entry(&tconn->volumes, mdev, i) {
not_empty = !list_empty(&mdev->done_ee);
if (not_empty)
break;
}
spin_unlock_irq(&tconn->req_lock);
} while (not_empty);
return 0;
@ -4759,8 +4749,10 @@ int drbd_asender(struct drbd_thread *thi)
much to send */
if (!tconn->net_conf->no_cork)
drbd_tcp_cork(tconn->meta.socket);
if (tconn_process_done_ee(tconn))
if (tconn_process_done_ee(tconn)) {
conn_err(tconn, "tconn_process_done_ee() failed\n");
goto reconnect;
}
/* but unconditionally uncork unless disabled */
if (!tconn->net_conf->no_cork)
drbd_tcp_uncork(tconn->meta.socket);