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[SCSI] mptfc: fix fibre channel infinite request/response loop

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While doing board reset testing I was able to put the system in
an infinite request/response loop between the scsi layer and
mptscsih_qcmd() by aborting the reset.  This patch installs
a "SETUP RESET" handler which calls fc_remote_port_delete()
for all registered rports.  This blocks the target which
prevents the loop.  Additionally, should the reset fail to
complete, the transport will now terminate i/o to the target.

Signed-off-by: Michael Reed <mdr@sgi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Michael Reed
2006-05-24 15:07:40 -05:00
committed by James Bottomley
parent ca2f938efe
commit 419835e285
2 changed files with 35 additions and 2 deletions
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drivers/message/fusion/mptbase.h
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@@ -635,6 +635,7 @@ typedef struct _MPT_ADAPTER
int num_ports;
struct work_struct mptscsih_persistTask;
struct work_struct fc_setup_reset_work;
struct list_head fc_rports;
spinlock_t fc_rescan_work_lock;
int fc_rescan_work_count;