Chris Leech 2e70e24151 [SCSI] fcoe: Fix module ref count bug by adding NETDEV UNREGISTER handling ... Fixes reference counting on fcoe_instance and net_device, and adds NETDEV_UNREGISTER notifier handling so that you can unload network drivers. FCoE no longer increments the module use count for the network driver. On an NETDEV_UNREGISTER event, destroying the FCoE instance is deferred to a workqueue context to avoid RTNL deadlocks. Based in part by an earlier patch from John Fastabend John's patch description: Currently, the netdev module ref count is not decremented with module_put() when the module is unloaded while fcoe instances are present. To fix this removed reference count on netdev module completely and added functionality to netdev event handling for NETDEV_UNREGISTER events. This allows fcoe to remove devices cleanly when the netdev module is unloaded so we no longer need to hold a reference count for the netdev module. Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>		2009-09-10 12:07:38 -05:00
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fcoe.c	[SCSI] fcoe: Fix module ref count bug by adding NETDEV UNREGISTER handling	2009-09-10 12:07:38 -05:00
fcoe.h	[SCSI] fcoe: Fix module ref count bug by adding NETDEV UNREGISTER handling	2009-09-10 12:07:38 -05:00
libfcoe.c	[SCSI] libfcoe: fcoe_ctlr_destroy use cancel_work_sync instead of flush_work	2009-09-10 12:07:28 -05:00
Makefile	[SCSI] fcoe, libfc: add libfcoe module	2009-04-03 09:23:04 -05:00