From: Christoph Hellwig <hch@lst.de>
Date: Tue, 29 May 2018 15:52:29 +0200
Subject: [PATCH] block: rename BLK_EH_NOT_HANDLED to BLK_EH_DONE
Git-commit: 6600593cbd9340b3d4fcde8e58d17653732620c4
Patch-Mainline: v4.18-rc1
References: bsc#1142076
The BLK_EH_NOT_HANDLED implies nothing happen, but very often that
is not what is happening - instead the driver already completed the
command. Fix the symbolic name to reflect that a little better.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
Documentation/scsi/scsi_eh.txt | 4 ++--
block/blk-mq.c | 2 +-
block/blk-timeout.c | 2 +-
drivers/block/nbd.c | 2 +-
drivers/message/fusion/mptsas.c | 2 +-
drivers/s390/block/dasd.c | 6 +++---
drivers/scsi/gdth.c | 2 +-
drivers/scsi/libiscsi.c | 2 +-
drivers/scsi/megaraid/megaraid_sas_base.c | 2 +-
drivers/scsi/mvumi.c | 2 +-
drivers/scsi/qla4xxx/ql4_os.c | 2 +-
drivers/scsi/scsi_error.c | 4 ++--
drivers/scsi/scsi_transport_fc.c | 4 ++--
drivers/scsi/scsi_transport_srp.c | 4 ++--
drivers/scsi/ufs/ufshcd.c | 6 +++---
include/linux/blkdev.h | 2 +-
include/scsi/scsi_host.h | 2 +-
17 files changed, 25 insertions(+), 25 deletions(-)
diff --git a/Documentation/scsi/scsi_eh.txt b/Documentation/scsi/scsi_eh.txt
index 11e447bdb3a5..3ae8419e72cf 100644
--- a/Documentation/scsi/scsi_eh.txt
+++ b/Documentation/scsi/scsi_eh.txt
@@ -97,9 +97,9 @@ function
This indicates that more time is required to finish the
command. Timer is restarted. This action is counted as a
retry and only allowed scmd->allowed + 1(!) times. Once the
- limit is reached, action for BLK_EH_NOT_HANDLED is taken instead.
+ limit is reached, action for BLK_EH_DONE is taken instead.
- - BLK_EH_NOT_HANDLED
+ - BLK_EH_DONE
eh_timed_out() callback did not handle the command.
Step #2 is taken.
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 1ea504b789c0..0d8ea2b35cc5 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -803,7 +803,7 @@ void blk_mq_rq_timed_out(struct request *req, bool reserved)
blk_add_timer(req);
blk_clear_rq_complete(req);
break;
- case BLK_EH_NOT_HANDLED:
+ case BLK_EH_DONE:
break;
default:
printk(KERN_ERR "block: bad eh return: %d\n", ret);
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index 764ecf9aeb30..420f3dbeaa27 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -95,7 +95,7 @@ static void blk_rq_timed_out(struct request *req)
blk_add_timer(req);
blk_clear_rq_complete(req);
break;
- case BLK_EH_NOT_HANDLED:
+ case BLK_EH_DONE:
/*
* LLD handles this for now but in the future
* we can send a request msg to abort the command
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index ed5ef2eb8d6f..bd26317d41ab 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -318,7 +318,7 @@ static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req,
}
blk_mq_requeue_request(req, true);
nbd_config_put(nbd);
- return BLK_EH_NOT_HANDLED;
+ return BLK_EH_DONE;
}
} else {
dev_err_ratelimited(nbd_to_dev(nbd),
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 42ee70c23d9f..c18a2f9423e4 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -1930,7 +1930,7 @@ static enum blk_eh_timer_return mptsas_eh_timed_out(struct scsi_cmnd *sc)
MPT_SCSI_HOST *hd;
MPT_ADAPTER *ioc;
VirtDevice *vdevice;
- enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED;
+ enum blk_eh_timer_return rc = BLK_EH_DONE;
hd = shost_priv(sc->device->host);
if (hd == NULL) {
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 7e0d85ddd618..550feef578aa 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -3065,7 +3065,7 @@ static void do_dasd_request(struct request_queue *queue)
*
* Return values:
* BLK_EH_RESET_TIMER if the request should be left running
- * BLK_EH_NOT_HANDLED if the request is handled or terminated
+ * BLK_EH_DONE if the request is handled or terminated
* by the driver.
*/
enum blk_eh_timer_return dasd_times_out(struct request *req)
@@ -3077,7 +3077,7 @@ enum blk_eh_timer_return dasd_times_out(struct request *req)
int rc = 0;
if (!cqr)
- return BLK_EH_NOT_HANDLED;
+ return BLK_EH_DONE;
device = cqr->startdev ? cqr->startdev : block->base;
if (!device->blk_timeout)
@@ -3128,7 +3128,7 @@ enum blk_eh_timer_return dasd_times_out(struct request *req)
dasd_schedule_block_bh(block);
spin_unlock(&block->queue_lock);
- return rc ? BLK_EH_RESET_TIMER : BLK_EH_NOT_HANDLED;
+ return rc ? BLK_EH_RESET_TIMER : BLK_EH_DONE;
}
/*
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index facc7271f932..ba5b14ef4bc4 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -3884,7 +3884,7 @@ static enum blk_eh_timer_return gdth_timed_out(struct scsi_cmnd *scp)
struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp);
u8 b, t;
unsigned long flags;
- enum blk_eh_timer_return retval = BLK_EH_NOT_HANDLED;
+ enum blk_eh_timer_return retval = BLK_EH_DONE;
TRACE(("%s() cmd 0x%x\n", scp->cmnd[0], __func__));
b = scp->device->channel;
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 0f47307138d0..f6d7c060edf5 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1971,7 +1971,7 @@ static int iscsi_has_ping_timed_out(struct iscsi_conn *conn)
enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
{
- enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED;
+ enum blk_eh_timer_return rc = BLK_EH_DONE;
struct iscsi_task *task = NULL, *running_task;
struct iscsi_cls_session *cls_session;
struct iscsi_session *session;
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index f06c5be453e1..37dc4b5f006c 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -2775,7 +2775,7 @@ blk_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd)
if (time_after(jiffies, scmd->jiffies_at_alloc +
(scmd_timeout * 2) * HZ)) {
- return BLK_EH_NOT_HANDLED;
+ return BLK_EH_DONE;
}
instance = (struct megasas_instance *)scmd->device->host->hostdata;
diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c
index fe97401ad192..afd27165cd93 100644
--- a/drivers/scsi/mvumi.c
+++ b/drivers/scsi/mvumi.c
@@ -2155,7 +2155,7 @@ static enum blk_eh_timer_return mvumi_timed_out(struct scsi_cmnd *scmd)
mvumi_return_cmd(mhba, cmd);
spin_unlock_irqrestore(mhba->shost->host_lock, flags);
- return BLK_EH_NOT_HANDLED;
+ return BLK_EH_DONE;
}
static int
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index f7da489e15e2..ada033b9ca72 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -1848,7 +1848,7 @@ static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
struct iscsi_cls_session *session;
struct iscsi_session *sess;
unsigned long flags;
- enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED;
+ enum blk_eh_timer_return ret = BLK_EH_DONE;
session = starget_to_session(scsi_target(sc->device));
sess = session->dd_data;
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index d63c75cea32d..ad322160543c 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -262,7 +262,7 @@ void scsi_eh_scmd_add(struct scsi_cmnd *scmd)
enum blk_eh_timer_return scsi_times_out(struct request *req)
{
struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(req);
- enum blk_eh_timer_return rtn = BLK_EH_NOT_HANDLED;
+ enum blk_eh_timer_return rtn = BLK_EH_DONE;
struct Scsi_Host *host = scmd->device->host;
trace_scsi_dispatch_cmd_timeout(scmd);
@@ -274,7 +274,7 @@ enum blk_eh_timer_return scsi_times_out(struct request *req)
if (host->hostt->eh_timed_out)
rtn = host->hostt->eh_timed_out(scmd);
- if (rtn == BLK_EH_NOT_HANDLED) {
+ if (rtn == BLK_EH_DONE) {
if (scsi_abort_command(scmd) != SUCCESS) {
set_host_byte(scmd, DID_TIME_OUT);
scsi_eh_scmd_add(scmd);
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 4d921bed9ef8..372122052541 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -2087,7 +2087,7 @@ fc_eh_timed_out(struct scsi_cmnd *scmd)
if (rport->port_state == FC_PORTSTATE_BLOCKED)
return BLK_EH_RESET_TIMER;
- return BLK_EH_NOT_HANDLED;
+ return BLK_EH_DONE;
}
EXPORT_SYMBOL(fc_eh_timed_out);
@@ -3591,7 +3591,7 @@ fc_bsg_job_timeout(struct request *req)
/* the blk_end_sync_io() doesn't check the error */
if (!inflight)
- return BLK_EH_NOT_HANDLED;
+ return BLK_EH_DONE;
else
return BLK_EH_HANDLED;
}
diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c
index daeb29aa3b0f..f95f4f219981 100644
--- a/drivers/scsi/scsi_transport_srp.c
+++ b/drivers/scsi/scsi_transport_srp.c
@@ -604,7 +604,7 @@ EXPORT_SYMBOL(srp_reconnect_rport);
*
* If a timeout occurs while an rport is in the blocked state, ask the SCSI
* EH to continue waiting (BLK_EH_RESET_TIMER). Otherwise let the SCSI core
- * handle the timeout (BLK_EH_NOT_HANDLED).
+ * handle the timeout (BLK_EH_DONE).
*
* Note: This function is called from soft-IRQ context and with the request
* queue lock held.
@@ -620,7 +620,7 @@ enum blk_eh_timer_return srp_timed_out(struct scsi_cmnd *scmd)
return rport && rport->fast_io_fail_tmo < 0 &&
rport->dev_loss_tmo < 0 &&
i->f->reset_timer_if_blocked && scsi_device_blocked(sdev) ?
- BLK_EH_RESET_TIMER : BLK_EH_NOT_HANDLED;
+ BLK_EH_RESET_TIMER : BLK_EH_DONE;
}
EXPORT_SYMBOL(srp_timed_out);
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 32d69616821d..fa6aa3fb6b7d 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -6461,12 +6461,12 @@ static enum blk_eh_timer_return ufshcd_eh_timed_out(struct scsi_cmnd *scmd)
bool found = false;
if (!scmd || !scmd->device || !scmd->device->host)
- return BLK_EH_NOT_HANDLED;
+ return BLK_EH_DONE;
host = scmd->device->host;
hba = shost_priv(host);
if (!hba)
- return BLK_EH_NOT_HANDLED;
+ return BLK_EH_DONE;
spin_lock_irqsave(host->host_lock, flags);
@@ -6484,7 +6484,7 @@ static enum blk_eh_timer_return ufshcd_eh_timed_out(struct scsi_cmnd *scmd)
* SCSI command was not actually dispatched to UFS driver, otherwise
* let SCSI layer handle the error as usual.
*/
- return found ? BLK_EH_NOT_HANDLED : BLK_EH_RESET_TIMER;
+ return found ? BLK_EH_DONE : BLK_EH_RESET_TIMER;
}
static struct scsi_host_template ufshcd_driver_template = {
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 52ae47904496..e694692ca968 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -296,7 +296,7 @@ typedef int (init_rq_fn)(struct request_queue *, struct request *, gfp_t);
typedef void (exit_rq_fn)(struct request_queue *, struct request *);
enum blk_eh_timer_return {
- BLK_EH_NOT_HANDLED,
+ BLK_EH_DONE,
BLK_EH_HANDLED,
BLK_EH_RESET_TIMER,
};
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index afb04811b7b9..52d2a0fc6637 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -321,7 +321,7 @@ struct scsi_host_template {
* EH_HANDLED: I fixed the error, please complete the command
* EH_RESET_TIMER: I need more time, reset the timer and
* begin counting again
- * EH_NOT_HANDLED Begin normal error recovery
+ * EH_DONE: Begin normal error recovery
*
* Status: OPTIONAL
*/
--
2.16.4