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[SCSI] ibmvscsi: Add eh_host_reset_handler

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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>
This commit is contained in:
Brian King
2007-06-13 17:12:26 -05:00
committed by James Bottomley
parent 6c0a60ec52
commit 3d0e91f7ac
2 changed files with 107 additions and 30 deletions
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1
drivers/scsi/ibmvscsi/ibmvscsi.h
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@ -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;