spin_lock_irqsave(shost->host_lock, flags);
- scsi_eh_eflags_set(scmd, eh_flag);
- /*
- * FIXME: Can we stop setting owner and state.
- */
- scmd->owner = SCSI_OWNER_ERROR_HANDLER;
- scmd->state = SCSI_STATE_FAILED;
+ scmd->eh_eflags |= eh_flag;
list_add_tail(&scmd->eh_entry, &shost->eh_cmd_q);
set_bit(SHOST_RECOVERY, &shost->shost_state);
shost->host_failed++;
list_for_each_entry(scmd, work_q, eh_entry) {
if (scmd->device == sdev) {
++total_failures;
- if (scsi_eh_eflags_chk(scmd,
- SCSI_EH_CANCEL_CMD))
+ if (scmd->eh_eflags & SCSI_EH_CANCEL_CMD)
++cmd_cancel;
else
++cmd_failed;
**/
static void scsi_eh_times_out(struct scsi_cmnd *scmd)
{
- scsi_eh_eflags_set(scmd, SCSI_EH_REC_TIMEOUT);
+ scmd->eh_eflags |= SCSI_EH_REC_TIMEOUT;
SCSI_LOG_ERROR_RECOVERY(3, printk("%s: scmd:%p\n", __FUNCTION__,
scmd));
- if (scmd->device->host->eh_action)
- up(scmd->device->host->eh_action);
+ up(scmd->device->host->eh_action);
}
/**
*/
if (del_timer(&scmd->eh_timeout)) {
scmd->request->rq_status = RQ_SCSI_DONE;
- scmd->owner = SCSI_OWNER_ERROR_HANDLER;
SCSI_LOG_ERROR_RECOVERY(3, printk("%s scmd: %p result: %x\n",
__FUNCTION__, scmd, scmd->result));
- if (scmd->device->host->eh_action)
- up(scmd->device->host->eh_action);
+ up(scmd->device->host->eh_action);
}
}
* we will use a queued command if possible, otherwise we will
* emulate the queuing and calling of completion function ourselves.
*/
- scmd->owner = SCSI_OWNER_LOWLEVEL;
-
if (sdev->scsi_level <= SCSI_2)
scmd->cmnd[1] = (scmd->cmnd[1] & 0x1f) |
(sdev->lun << 5 & 0xe0);
* see if timeout. if so, tell the host to forget about it.
* in other words, we don't want a callback any more.
*/
- if (scsi_eh_eflags_chk(scmd, SCSI_EH_REC_TIMEOUT)) {
- scsi_eh_eflags_clr(scmd, SCSI_EH_REC_TIMEOUT);
- scmd->owner = SCSI_OWNER_LOWLEVEL;
+ if (scmd->eh_eflags & SCSI_EH_REC_TIMEOUT) {
+ scmd->eh_eflags &= ~SCSI_EH_REC_TIMEOUT;
/*
* as far as the low level driver is
* abort a timed out command or not. not sure how
* we should treat them differently anyways.
*/
- spin_lock_irqsave(shost->host_lock, flags);
if (shost->hostt->eh_abort_handler)
shost->hostt->eh_abort_handler(scmd);
- spin_unlock_irqrestore(shost->host_lock, flags);
scmd->request->rq_status = RQ_SCSI_DONE;
- scmd->owner = SCSI_OWNER_ERROR_HANDLER;
-
rtn = FAILED;
}
memcpy(scmd->cmnd, generic_sense, sizeof(generic_sense));
- scsi_result = kmalloc(252, GFP_ATOMIC | (scmd->device->host->hostt->unchecked_isa_dma) ? __GFP_DMA : 0);
+ scsi_result = kmalloc(252, GFP_ATOMIC | ((scmd->device->host->hostt->unchecked_isa_dma) ? __GFP_DMA : 0));
if (unlikely(!scsi_result)) {
struct list_head *done_q)
{
scmd->device->host->host_failed--;
- scmd->state = SCSI_STATE_BHQUEUE;
-
- scsi_eh_eflags_clr_all(scmd);
+ scmd->eh_eflags = 0;
/*
* set this back so that the upper level can correctly free up
static int scsi_eh_get_sense(struct list_head *work_q,
struct list_head *done_q)
{
- struct list_head *lh, *lh_sf;
- struct scsi_cmnd *scmd;
+ struct scsi_cmnd *scmd, *next;
int rtn;
- list_for_each_safe(lh, lh_sf, work_q) {
- scmd = list_entry(lh, struct scsi_cmnd, eh_entry);
- if (scsi_eh_eflags_chk(scmd, SCSI_EH_CANCEL_CMD) ||
+ list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
+ if ((scmd->eh_eflags & SCSI_EH_CANCEL_CMD) ||
SCSI_SENSE_VALID(scmd))
continue;
**/
static int scsi_try_to_abort_cmd(struct scsi_cmnd *scmd)
{
- unsigned long flags;
- int rtn = FAILED;
-
if (!scmd->device->host->hostt->eh_abort_handler)
- return rtn;
+ return FAILED;
/*
* scsi_done was called just after the command timed out and before
*/
if (scmd->serial_number == 0)
return SUCCESS;
-
- scmd->owner = SCSI_OWNER_LOWLEVEL;
-
- spin_lock_irqsave(scmd->device->host->host_lock, flags);
- rtn = scmd->device->host->hostt->eh_abort_handler(scmd);
- spin_unlock_irqrestore(scmd->device->host->host_lock, flags);
-
- return rtn;
+ return scmd->device->host->hostt->eh_abort_handler(scmd);
}
/**
{
static unsigned char tur_command[6] = {TEST_UNIT_READY, 0, 0, 0, 0, 0};
int retry_cnt = 1, rtn;
+ int saved_result;
retry_tur:
memcpy(scmd->cmnd, tur_command, sizeof(tur_command));
*/
memset(scmd->sense_buffer, 0, sizeof(scmd->sense_buffer));
+ saved_result = scmd->result;
scmd->request_buffer = NULL;
scmd->request_bufflen = 0;
scmd->use_sg = 0;
* the original request, so let's restore the original data. (db)
*/
scsi_setup_cmd_retry(scmd);
+ scmd->result = saved_result;
/*
* hey, we are done. let's look to see what happened.
static int scsi_eh_abort_cmds(struct list_head *work_q,
struct list_head *done_q)
{
- struct list_head *lh, *lh_sf;
- struct scsi_cmnd *scmd;
+ struct scsi_cmnd *scmd, *next;
int rtn;
- list_for_each_safe(lh, lh_sf, work_q) {
- scmd = list_entry(lh, struct scsi_cmnd, eh_entry);
- if (!scsi_eh_eflags_chk(scmd, SCSI_EH_CANCEL_CMD))
+ list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
+ if (!(scmd->eh_eflags & SCSI_EH_CANCEL_CMD))
continue;
SCSI_LOG_ERROR_RECOVERY(3, printk("%s: aborting cmd:"
"0x%p\n", current->comm,
scmd));
rtn = scsi_try_to_abort_cmd(scmd);
if (rtn == SUCCESS) {
- scsi_eh_eflags_clr(scmd, SCSI_EH_CANCEL_CMD);
+ scmd->eh_eflags &= ~SCSI_EH_CANCEL_CMD;
if (!scsi_device_online(scmd->device) ||
!scsi_eh_tur(scmd)) {
scsi_eh_finish_cmd(scmd, done_q);
**/
static int scsi_try_bus_device_reset(struct scsi_cmnd *scmd)
{
- unsigned long flags;
- int rtn = FAILED;
+ int rtn;
if (!scmd->device->host->hostt->eh_device_reset_handler)
- return rtn;
-
- scmd->owner = SCSI_OWNER_LOWLEVEL;
+ return FAILED;
- spin_lock_irqsave(scmd->device->host->host_lock, flags);
rtn = scmd->device->host->hostt->eh_device_reset_handler(scmd);
- spin_unlock_irqrestore(scmd->device->host->host_lock, flags);
-
if (rtn == SUCCESS) {
scmd->device->was_reset = 1;
scmd->device->expecting_cc_ua = 1;
{
static unsigned char stu_command[6] = {START_STOP, 0, 0, 0, 1, 0};
int rtn;
+ int saved_result;
if (!scmd->device->allow_restart)
return 1;
*/
memset(scmd->sense_buffer, 0, sizeof(scmd->sense_buffer));
+ saved_result = scmd->result;
scmd->request_buffer = NULL;
scmd->request_bufflen = 0;
scmd->use_sg = 0;
* the original request, so let's restore the original data. (db)
*/
scsi_setup_cmd_retry(scmd);
+ scmd->result = saved_result;
/*
* hey, we are done. let's look to see what happened.
struct list_head *work_q,
struct list_head *done_q)
{
- struct list_head *lh, *lh_sf;
- struct scsi_cmnd *scmd, *stu_scmd;
+ struct scsi_cmnd *scmd, *stu_scmd, *next;
struct scsi_device *sdev;
shost_for_each_device(sdev, shost) {
if (!scsi_eh_try_stu(stu_scmd)) {
if (!scsi_device_online(sdev) ||
!scsi_eh_tur(stu_scmd)) {
- list_for_each_safe(lh, lh_sf, work_q) {
- scmd = list_entry(lh, struct scsi_cmnd, eh_entry);
+ list_for_each_entry_safe(scmd, next,
+ work_q, eh_entry) {
if (scmd->device == sdev)
scsi_eh_finish_cmd(scmd, done_q);
}
struct list_head *work_q,
struct list_head *done_q)
{
- struct list_head *lh, *lh_sf;
- struct scsi_cmnd *scmd, *bdr_scmd;
+ struct scsi_cmnd *scmd, *bdr_scmd, *next;
struct scsi_device *sdev;
int rtn;
if (rtn == SUCCESS) {
if (!scsi_device_online(sdev) ||
!scsi_eh_tur(bdr_scmd)) {
- list_for_each_safe(lh, lh_sf,
- work_q) {
- scmd = list_entry(lh, struct
- scsi_cmnd,
- eh_entry);
+ list_for_each_entry_safe(scmd, next,
+ work_q, eh_entry) {
if (scmd->device == sdev)
scsi_eh_finish_cmd(scmd,
done_q);
SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Snd Bus RST\n",
__FUNCTION__));
- scmd->owner = SCSI_OWNER_LOWLEVEL;
if (!scmd->device->host->hostt->eh_bus_reset_handler)
return FAILED;
- spin_lock_irqsave(scmd->device->host->host_lock, flags);
rtn = scmd->device->host->hostt->eh_bus_reset_handler(scmd);
- spin_unlock_irqrestore(scmd->device->host->host_lock, flags);
if (rtn == SUCCESS) {
if (!scmd->device->host->hostt->skip_settle_delay)
SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Snd Host RST\n",
__FUNCTION__));
- scmd->owner = SCSI_OWNER_LOWLEVEL;
if (!scmd->device->host->hostt->eh_host_reset_handler)
return FAILED;
- spin_lock_irqsave(scmd->device->host->host_lock, flags);
rtn = scmd->device->host->hostt->eh_host_reset_handler(scmd);
- spin_unlock_irqrestore(scmd->device->host->host_lock, flags);
if (rtn == SUCCESS) {
if (!scmd->device->host->hostt->skip_settle_delay)
struct list_head *work_q,
struct list_head *done_q)
{
- struct list_head *lh, *lh_sf;
- struct scsi_cmnd *scmd;
- struct scsi_cmnd *chan_scmd;
+ struct scsi_cmnd *scmd, *chan_scmd, *next;
unsigned int channel;
int rtn;
channel));
rtn = scsi_try_bus_reset(chan_scmd);
if (rtn == SUCCESS) {
- list_for_each_safe(lh, lh_sf, work_q) {
- scmd = list_entry(lh, struct scsi_cmnd,
- eh_entry);
+ list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
if (channel == scmd->device->channel)
if (!scsi_device_online(scmd->device) ||
!scsi_eh_tur(scmd))
static int scsi_eh_host_reset(struct list_head *work_q,
struct list_head *done_q)
{
+ struct scsi_cmnd *scmd, *next;
int rtn;
- struct list_head *lh, *lh_sf;
- struct scsi_cmnd *scmd;
if (!list_empty(work_q)) {
scmd = list_entry(work_q->next,
rtn = scsi_try_host_reset(scmd);
if (rtn == SUCCESS) {
- list_for_each_safe(lh, lh_sf, work_q) {
- scmd = list_entry(lh, struct scsi_cmnd, eh_entry);
+ list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
if (!scsi_device_online(scmd->device) ||
(!scsi_eh_try_stu(scmd) && !scsi_eh_tur(scmd)) ||
!scsi_eh_tur(scmd))
static void scsi_eh_offline_sdevs(struct list_head *work_q,
struct list_head *done_q)
{
- struct list_head *lh, *lh_sf;
- struct scsi_cmnd *scmd;
+ struct scsi_cmnd *scmd, *next;
- list_for_each_safe(lh, lh_sf, work_q) {
- scmd = list_entry(lh, struct scsi_cmnd, eh_entry);
+ list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
printk(KERN_INFO "scsi: Device offlined - not"
" ready after error recovery: host"
" %d channel %d id %d lun %d\n",
scmd->device->id,
scmd->device->lun);
scsi_device_set_state(scmd->device, SDEV_OFFLINE);
- if (scsi_eh_eflags_chk(scmd, SCSI_EH_CANCEL_CMD)) {
+ if (scmd->eh_eflags & SCSI_EH_CANCEL_CMD) {
/*
* FIXME: Handle lost cmds.
*/
**/
static void scsi_eh_flush_done_q(struct list_head *done_q)
{
- struct list_head *lh, *lh_sf;
- struct scsi_cmnd *scmd;
+ struct scsi_cmnd *scmd, *next;
- list_for_each_safe(lh, lh_sf, done_q) {
- scmd = list_entry(lh, struct scsi_cmnd, eh_entry);
- list_del_init(lh);
+ list_for_each_entry_safe(scmd, next, done_q, eh_entry) {
+ list_del_init(&scmd->eh_entry);
if (scsi_device_online(scmd->device) &&
!blk_noretry_request(scmd->request) &&
(++scmd->retries < scmd->allowed)) {
scmd));
scsi_queue_insert(scmd, SCSI_MLQUEUE_EH_RETRY);
} else {
+ /*
+ * If just we got sense for the device (called
+ * scsi_eh_get_sense), scmd->result is already
+ * set, do not set DRIVER_TIMEOUT.
+ */
if (!scmd->result)
scmd->result |= (DRIVER_TIMEOUT << 24);
SCSI_LOG_ERROR_RECOVERY(3, printk("%s: flush finish"
scmd->request = &req;
memset(&scmd->eh_timeout, 0, sizeof(scmd->eh_timeout));
scmd->request->rq_status = RQ_SCSI_BUSY;
- scmd->state = SCSI_STATE_INITIALIZING;
- scmd->owner = SCSI_OWNER_MIDLEVEL;
-
+
memset(&scmd->cmnd, '\0', sizeof(scmd->cmnd));
scmd->scsi_done = scsi_reset_provider_done_command;
scmd->bufflen = 0;
scmd->request_buffer = NULL;
scmd->request_bufflen = 0;
- scmd->abort_reason = DID_ABORT;
scmd->cmd_len = 0;
rtn = FAILED;
}
- scsi_delete_timer(scmd);
scsi_next_command(scmd);
return rtn;
}
projects / linux-2.6-omap-h63xx.git / blobdiff