[SCSI] ibmvscsi: Add eh_host_reset_handler

Adds an eh_host_reset_handler to ibmvscsi which resets the connection
to the vscsi server. This patch also adds a timer to internally
issues commands to prevent client hangs in the case of a misbehaving
server. Tested by modifying the VIOS such that it would occasionally
drop one or more request in sequence.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h
index 727ca7c95926..b19c2e26c2a5 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.h
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.h
@@ -70,6 +70,7 @@ struct srp_event_struct {
         union viosrp_iu iu;
         void (*cmnd_done) (struct scsi_cmnd *);
         struct completion comp;
+        struct timer_list timer;
         union viosrp_iu *sync_srp;
         struct srp_direct_buf *ext_list;
         dma_addr_t ext_list_token;