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drbd: Implemented the before-resync-source handler

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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
2010-12-03 16:04:24 +01:00
parent 2561b9c1f1
commit 09b9e79793
1 changed files with 14 additions and 0 deletions
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14
drivers/block/drbd/drbd_worker.c
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@@ -1499,6 +1499,20 @@ void drbd_start_resync(struct drbd_conf *mdev, enum drbd_conns side)
drbd_force_state(mdev, NS(conn, C_DISCONNECTING));
return;
}
} else /* C_SYNC_SOURCE */ {
r = drbd_khelper(mdev, "before-resync-source");
r = (r >> 8) & 0xff;
if (r > 0) {
if (r == 3) {
dev_info(DEV, "before-resync-source handler returned %d, "
"ignoring. Old userland tools?", r);
} else {
dev_info(DEV, "before-resync-source handler returned %d, "
"dropping connection.\n", r);
drbd_force_state(mdev, NS(conn, C_DISCONNECTING));
return;
}
}
}
drbd_state_lock(mdev);