Don't let the ioctl interface drop a suspended device.
--- diff/drivers/md/dm-ioctl.c 2002-12-30 10:17:13.000000000 +0000
+++ source/drivers/md/dm-ioctl.c 2003-01-02 11:10:14.000000000 +0000
@@ -812,6 +812,24 @@
return -EINVAL;
}
+ /*
+ * You may ask the interface to drop its reference to an
+ * in use device. This is no different to unlinking a
+ * file that someone still has open. The device will not
+ * actually be destroyed until the last opener closes it.
+ * The name and uuid of the device (both are interface
+ * properties) will be available for reuse immediately.
+ *
+ * You don't want to drop a _suspended_ device from the
+ * interface, since that will leave you with no way of
+ * resuming it.
+ */
+ if (dm_suspended(hc->md)) {
+ DMWARN("refusing to remove a suspended device.");
+ up_write(&_hash_lock);
+ return -EPERM;
+ }
+
__hash_remove(hc);
up_write(&_hash_lock);
return 0;
-
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This archive was generated by hypermail 2b29 : Wed Jan 15 2003 - 22:00:22 EST