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authorPhilipp Reisner <philipp.reisner@linbit.com>2010-12-03 15:22:48 +0100
committerPhilipp Reisner <philipp.reisner@linbit.com>2011-03-10 11:35:17 +0100
commit2561b9c1f1d63077c41903fc6ad58dc9ec47248b (patch)
tree79f4148dce59a9f696e680d70151312721f296cf /drivers
parent42ff269d1022a86be4f526cf674998c47b7ab856 (diff)
drbd: --force option for disconnect
As the network connection can be lost at any time, a --force option for disconnect is just a matter of completeness. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/drbd/drbd_nl.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 6a6dde6c51c..cd0459f0403 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1531,6 +1531,21 @@ static int drbd_nl_disconnect(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nl
struct drbd_nl_cfg_reply *reply)
{
int retcode;
+ struct disconnect dc;
+
+ memset(&dc, 0, sizeof(struct disconnect));
+ if (!disconnect_from_tags(mdev, nlp->tag_list, &dc)) {
+ retcode = ERR_MANDATORY_TAG;
+ goto fail;
+ }
+
+ if (dc.force) {
+ spin_lock_irq(&mdev->req_lock);
+ if (mdev->state.conn >= C_WF_CONNECTION)
+ _drbd_set_state(_NS(mdev, conn, C_DISCONNECTING), CS_HARD, NULL);
+ spin_unlock_irq(&mdev->req_lock);
+ goto done;
+ }
retcode = _drbd_request_state(mdev, NS(conn, C_DISCONNECTING), CS_ORDERED);