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OpenCloudOS-Kernel
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[SCSI] fcoe, fnic, libfc: increased CDB size to 16 bytes for fcoe. 

No reason to restrict CDB size to 12 bytes in fcoe, so
increased to 16 so that 16 bytes SCSI CDB doesn't fail.

Uses common define to set max_cmd_len for fcoe and fnic,
fnic is already setting max_cmd_len to 16.

sg_readcap -l fails without this fix.

Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Vasu Dev 2010-04-09 14:22:59 -07:00 committed by James Bottomley
parent 8ba00a4bbb
commit da87bfab8a
4 changed files with 6 additions and 2 deletions
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2
drivers/scsi/fcoe/fcoe.c
View File

@ -669,6 +669,8 @@ static int fcoe_shost_config(struct fc_lport *lport, struct device *dev)
lport->host->max_lun = FCOE_MAX_LUN;
lport->host->max_id = FCOE_MAX_FCP_TARGET;
lport->host->max_channel = 0;
lport->host->max_cmd_len = FCOE_MAX_CMD_LEN;
if (lport->vport)
lport->host->transportt = fcoe_vport_transport_template;
else

2
drivers/scsi/fnic/fnic.h
View File

@ -45,7 +45,7 @@
#define FNIC_IO_LOCKS 64 /* IO locks: power of 2 */
#define FNIC_DFLT_QUEUE_DEPTH 32
#define FNIC_STATS_RATE_LIMIT 4 /* limit rate at which stats are pulled up */
#define FNIC_MAX_CMD_LEN 16 /* Supported CDB length */
/*
* Tag bits used for special requests.
*/

2
drivers/scsi/fnic/fnic_main.c
View File

@ -556,7 +556,7 @@ static int __devinit fnic_probe(struct pci_dev *pdev,
}
host->max_lun = fnic->config.luns_per_tgt;
host->max_id = FNIC_MAX_FCP_TARGET;
host->max_cmd_len = FNIC_MAX_CMD_LEN;
host->max_cmd_len = FCOE_MAX_CMD_LEN;
fnic_get_res_counts(fnic);

2
include/scsi/libfcoe.h
View File

@ -29,6 +29,8 @@
#include <scsi/fc/fc_fcoe.h>
#include <scsi/libfc.h>
#define FCOE_MAX_CMD_LEN 16 /* Supported CDB length */
/*
* FIP tunable parameters.
*/