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path: root/drivers/scsi/scsi_error.c
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Diffstat (limited to 'drivers/scsi/scsi_error.c')
-rw-r--r--drivers/scsi/scsi_error.c45
1 files changed, 32 insertions, 13 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index eaf5a8add1ba..880051c89bde 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -139,7 +139,7 @@ void scsi_add_timer(struct scsi_cmnd *scmd, int timeout,
scmd->eh_timeout.function = (void (*)(unsigned long)) complete;
SCSI_LOG_ERROR_RECOVERY(5, printk("%s: scmd: %p, time:"
- " %d, (%p)\n", __FUNCTION__,
+ " %d, (%p)\n", __func__,
scmd, timeout, complete));
add_timer(&scmd->eh_timeout);
@@ -163,7 +163,7 @@ int scsi_delete_timer(struct scsi_cmnd *scmd)
rtn = del_timer(&scmd->eh_timeout);
SCSI_LOG_ERROR_RECOVERY(5, printk("%s: scmd: %p,"
- " rtn: %d\n", __FUNCTION__,
+ " rtn: %d\n", __func__,
scmd, rtn));
scmd->eh_timeout.data = (unsigned long)NULL;
@@ -233,7 +233,7 @@ int scsi_block_when_processing_errors(struct scsi_device *sdev)
online = scsi_device_online(sdev);
- SCSI_LOG_ERROR_RECOVERY(5, printk("%s: rtn: %d\n", __FUNCTION__,
+ SCSI_LOG_ERROR_RECOVERY(5, printk("%s: rtn: %d\n", __func__,
online));
return online;
@@ -271,7 +271,7 @@ static inline void scsi_eh_prt_fail_stats(struct Scsi_Host *shost,
SCSI_LOG_ERROR_RECOVERY(3,
sdev_printk(KERN_INFO, sdev,
"%s: cmds failed: %d, cancel: %d\n",
- __FUNCTION__, cmd_failed,
+ __func__, cmd_failed,
cmd_cancel));
cmd_cancel = 0;
cmd_failed = 0;
@@ -298,6 +298,7 @@ static inline void scsi_eh_prt_fail_stats(struct Scsi_Host *shost,
*/
static int scsi_check_sense(struct scsi_cmnd *scmd)
{
+ struct scsi_device *sdev = scmd->device;
struct scsi_sense_hdr sshdr;
if (! scsi_command_normalize_sense(scmd, &sshdr))
@@ -306,6 +307,16 @@ static int scsi_check_sense(struct scsi_cmnd *scmd)
if (scsi_sense_is_deferred(&sshdr))
return NEEDS_RETRY;
+ if (sdev->scsi_dh_data && sdev->scsi_dh_data->scsi_dh &&
+ sdev->scsi_dh_data->scsi_dh->check_sense) {
+ int rc;
+
+ rc = sdev->scsi_dh_data->scsi_dh->check_sense(sdev, &sshdr);
+ if (rc != SCSI_RETURN_NOT_HANDLED)
+ return rc;
+ /* handler does not care. Drop down to default handling */
+ }
+
/*
* Previous logic looked for FILEMARK, EOM or ILI which are
* mainly associated with tapes and returned SUCCESS.
@@ -333,6 +344,9 @@ static int scsi_check_sense(struct scsi_cmnd *scmd)
return /* soft_error */ SUCCESS;
case ABORTED_COMMAND:
+ if (sshdr.asc == 0x10) /* DIF */
+ return SUCCESS;
+
return NEEDS_RETRY;
case NOT_READY:
case UNIT_ATTENTION:
@@ -459,7 +473,7 @@ static void scsi_eh_done(struct scsi_cmnd *scmd)
SCSI_LOG_ERROR_RECOVERY(3,
printk("%s scmd: %p result: %x\n",
- __FUNCTION__, scmd, scmd->result));
+ __func__, scmd, scmd->result));
eh_action = scmd->device->host->eh_action;
if (eh_action)
@@ -476,7 +490,7 @@ static int scsi_try_host_reset(struct scsi_cmnd *scmd)
int rtn;
SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Snd Host RST\n",
- __FUNCTION__));
+ __func__));
if (!scmd->device->host->hostt->eh_host_reset_handler)
return FAILED;
@@ -505,7 +519,7 @@ static int scsi_try_bus_reset(struct scsi_cmnd *scmd)
int rtn;
SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Snd Bus RST\n",
- __FUNCTION__));
+ __func__));
if (!scmd->device->host->hostt->eh_bus_reset_handler)
return FAILED;
@@ -653,7 +667,10 @@ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses,
ses->sdb = scmd->sdb;
ses->next_rq = scmd->request->next_rq;
ses->result = scmd->result;
+ ses->underflow = scmd->underflow;
+ ses->prot_op = scmd->prot_op;
+ scmd->prot_op = SCSI_PROT_NORMAL;
scmd->cmnd = ses->eh_cmnd;
memset(scmd->cmnd, 0, BLK_MAX_CDB);
memset(&scmd->sdb, 0, sizeof(scmd->sdb));
@@ -711,6 +728,8 @@ void scsi_eh_restore_cmnd(struct scsi_cmnd* scmd, struct scsi_eh_save *ses)
scmd->sdb = ses->sdb;
scmd->request->next_rq = ses->next_rq;
scmd->result = ses->result;
+ scmd->underflow = ses->underflow;
+ scmd->prot_op = ses->prot_op;
}
EXPORT_SYMBOL(scsi_eh_restore_cmnd);
@@ -755,7 +774,7 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd,
SCSI_LOG_ERROR_RECOVERY(3,
printk("%s: scmd: %p, timeleft: %ld\n",
- __FUNCTION__, scmd, timeleft));
+ __func__, scmd, timeleft));
/*
* If there is time left scsi_eh_done got called, and we will
@@ -767,7 +786,7 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd,
rtn = scsi_eh_completed_normally(scmd);
SCSI_LOG_ERROR_RECOVERY(3,
printk("%s: scsi_eh_completed_normally %x\n",
- __FUNCTION__, rtn));
+ __func__, rtn));
switch (rtn) {
case SUCCESS:
@@ -902,7 +921,7 @@ retry_tur:
rtn = scsi_send_eh_cmnd(scmd, tur_command, 6, SENSE_TIMEOUT, 0);
SCSI_LOG_ERROR_RECOVERY(3, printk("%s: scmd %p rtn %x\n",
- __FUNCTION__, scmd, rtn));
+ __func__, scmd, rtn));
switch (rtn) {
case NEEDS_RETRY:
@@ -1285,7 +1304,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd)
if (!scsi_device_online(scmd->device)) {
SCSI_LOG_ERROR_RECOVERY(5, printk("%s: device offline - report"
" as SUCCESS\n",
- __FUNCTION__));
+ __func__));
return SUCCESS;
}
@@ -1500,7 +1519,7 @@ static void scsi_restart_operations(struct Scsi_Host *shost)
* ioctls to queued block devices.
*/
SCSI_LOG_ERROR_RECOVERY(3, printk("%s: waking up host to restart\n",
- __FUNCTION__));
+ __func__));
spin_lock_irqsave(shost->host_lock, flags);
if (scsi_host_set_state(shost, SHOST_RUNNING))
@@ -1824,7 +1843,7 @@ scsi_reset_provider(struct scsi_device *dev, int flag)
*/
SCSI_LOG_ERROR_RECOVERY(3,
printk("%s: waking up host to restart after TMF\n",
- __FUNCTION__));
+ __func__));
wake_up(&shost->host_wait);
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