[PATCH 1/5] scsi: rename return code FAST_IO_FAIL to FAST_IO

Ren Mingxin
2013-05-20T07:12:24Z

The return code FAST_IO_FAIL was introduced for fast failed io
recovery. To use this code for fast timed-out io recovery as well,
we'd rename it to FAST_IO.

Signed-off-by: Ren Mingxin <renmx@cn.fujitsu.com>
---
drivers/scsi/scsi_error.c | 18 +++++++++---------
drivers/scsi/scsi_transport_fc.c | 4 ++--
drivers/scsi/scsi_transport_iscsi.c | 6 +++---
include/scsi/scsi.h | 2 +-
4 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index f43de1e..9e8e37a 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -1067,9 +1067,9 @@ static int scsi_eh_abort_cmds(struct list_head *work_q,
"0x%p\n", current->comm,
scmd));
rtn = scsi_try_to_abort_cmd(scmd->device->host->hostt, scmd);
- if (rtn == SUCCESS || rtn == FAST_IO_FAIL) {
+ if (rtn == SUCCESS || rtn == FAST_IO) {
scmd->eh_eflags &= ~SCSI_EH_CANCEL_CMD;
- if (rtn == FAST_IO_FAIL)
+ if (rtn == FAST_IO)
scsi_eh_finish_cmd(scmd, done_q);
else
list_move_tail(&scmd->eh_entry, &check_list);
@@ -1195,9 +1195,9 @@ static int scsi_eh_bus_device_reset(struct Scsi_Host *shost,
" 0x%p\n", current->comm,
sdev));
rtn = scsi_try_bus_device_reset(bdr_scmd);
- if (rtn == SUCCESS || rtn == FAST_IO_FAIL) {
+ if (rtn == SUCCESS || rtn == FAST_IO) {
if (!scsi_device_online(sdev) ||
- rtn == FAST_IO_FAIL ||
+ rtn == FAST_IO ||
!scsi_eh_tur(bdr_scmd)) {
list_for_each_entry_safe(scmd, next,
work_q, eh_entry) {
@@ -1248,7 +1248,7 @@ static int scsi_eh_target_reset(struct Scsi_Host *shost,
"to target %d\n",
current->comm, id));
rtn = scsi_try_target_reset(scmd);
- if (rtn != SUCCESS && rtn != FAST_IO_FAIL)
+ if (rtn != SUCCESS && rtn != FAST_IO)
SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Target reset"
" failed target: "
"%d\n",
@@ -1259,7 +1259,7 @@ static int scsi_eh_target_reset(struct Scsi_Host *shost,

if (rtn == SUCCESS)
list_move_tail(&scmd->eh_entry, &check_list);
- else if (rtn == FAST_IO_FAIL)
+ else if (rtn == FAST_IO)
scsi_eh_finish_cmd(scmd, done_q);
else
/* push back on work queue for further processing */
@@ -1311,10 +1311,10 @@ static int scsi_eh_bus_reset(struct Scsi_Host *shost,
" %d\n", current->comm,
channel));
rtn = scsi_try_bus_reset(chan_scmd);
- if (rtn == SUCCESS || rtn == FAST_IO_FAIL) {
+ if (rtn == SUCCESS || rtn == FAST_IO) {
list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
if (channel == scmd_channel(scmd)) {
- if (rtn == FAST_IO_FAIL)
+ if (rtn == FAST_IO)
scsi_eh_finish_cmd(scmd,
done_q);
else
@@ -1354,7 +1354,7 @@ static int scsi_eh_host_reset(struct list_head *work_q,
rtn = scsi_try_host_reset(scmd);
if (rtn == SUCCESS) {
list_splice_init(work_q, &check_list);
- } else if (rtn == FAST_IO_FAIL) {
+ } else if (rtn == FAST_IO) {
list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
scsi_eh_finish_cmd(scmd, done_q);
}
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index e106c27..7b29e00 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -3301,7 +3301,7 @@ fc_scsi_scan_rport(struct work_struct *work)
* rports which would lead to offlined SCSI devices.
*
* Returns: 0 if the fc_rport left the state FC_PORTSTATE_BLOCKED.
- * FAST_IO_FAIL if the fast_io_fail_tmo fired, this should be
+ * FAST_IO if the fast_io_fail_tmo fired, this should be
* passed back to scsi_eh.
*/
int fc_block_scsi_eh(struct scsi_cmnd *cmnd)
@@ -3320,7 +3320,7 @@ int fc_block_scsi_eh(struct scsi_cmnd *cmnd)
spin_unlock_irqrestore(shost->host_lock, flags);

if (rport->flags & FC_RPORT_FAST_FAIL_TIMEDOUT)
- return FAST_IO_FAIL;
+ return FAST_IO;

return 0;
}
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 133926b..8a88f45 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1528,8 +1528,8 @@ static void iscsi_scan_session(struct work_struct *work)
*
* If the session is down this function will wait for the recovery
* timer to fire or for the session to be logged back in. If the
- * recovery timer fires then FAST_IO_FAIL is returned. The caller
- * should pass this error value to the scsi eh.
+ * recovery timer fires then FAST_IO is returned. The caller should
+ * pass this error value to the scsi eh.
*/
int iscsi_block_scsi_eh(struct scsi_cmnd *cmd)
{
@@ -1541,7 +1541,7 @@ int iscsi_block_scsi_eh(struct scsi_cmnd *cmd)
spin_lock_irqsave(&session->lock, flags);
while (session->state != ISCSI_SESSION_LOGGED_IN) {
if (session->state == ISCSI_SESSION_FREE) {
- ret = FAST_IO_FAIL;
+ ret = FAST_IO;
break;
}
spin_unlock_irqrestore(&session->lock, flags);
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 66216c1..3e12e1e 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -480,7 +480,7 @@ static inline int scsi_is_wlun(unsigned int lun)
#define ADD_TO_MLQUEUE 0x2006
#define TIMEOUT_ERROR 0x2007
#define SCSI_RETURN_NOT_HANDLED 0x2008
-#define FAST_IO_FAIL 0x2009
+#define FAST_IO 0x2009
#define TARGET_ERROR 0x200A

/*
--
1.7.1