From: Tejun Heo <htejun@gmail.com>
To: jgarzik@pobox.com, linux-ide@vger.kernel.org, albertcc@tw.ibm.com
Cc: Tejun Heo <htejun@gmail.com>
Subject: [PATCH 10/13] libata: kill NULL qc handling from ->eng_timeout callbacks
Date: Mon, 23 Jan 2006 13:09:37 +0900 [thread overview]
Message-ID: <11379893773779-git-send-email-htejun@gmail.com> (raw)
In-Reply-To: <11379893762140-git-send-email-htejun@gmail.com>
->eng_timeout is not invoked with NULL qc anymore. Kill NULL qc
handling from all ->eng_timeout callbacks.
Signed-off-by: Tejun Heo <htejun@gmail.com>
---
drivers/scsi/ahci.c | 12 +++---------
drivers/scsi/libata-core.c | 12 +-----------
drivers/scsi/sata_mv.c | 9 ++-------
drivers/scsi/sata_promise.c | 9 +--------
drivers/scsi/sata_sil24.c | 5 -----
drivers/scsi/sata_sx4.c | 9 +--------
6 files changed, 8 insertions(+), 48 deletions(-)
7fe3cc73fb7f92c06c71e1798edefc2be6a6723c
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 5a6b230..604c4d1 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -666,19 +666,13 @@ static void ahci_eng_timeout(struct ata_
spin_lock_irqsave(&host_set->lock, flags);
+ ahci_restart_port(ap, readl(port_mmio + PORT_IRQ_STAT));
qc = ata_qc_from_tag(ap, ap->active_tag);
- if (!qc) {
- printk(KERN_ERR "ata%u: BUG: timeout without command\n",
- ap->id);
- } else {
- ahci_restart_port(ap, readl(port_mmio + PORT_IRQ_STAT));
- qc->err_mask |= AC_ERR_TIMEOUT;
- }
+ qc->err_mask |= AC_ERR_TIMEOUT;
spin_unlock_irqrestore(&host_set->lock, flags);
- if (qc)
- ata_eh_qc_complete(qc);
+ ata_eh_qc_complete(qc);
}
static inline int ahci_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc)
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 93ae2dc..b2f51bb 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -3503,20 +3503,10 @@ static void ata_qc_timeout(struct ata_qu
void ata_eng_timeout(struct ata_port *ap)
{
- struct ata_queued_cmd *qc;
-
DPRINTK("ENTER\n");
- qc = ata_qc_from_tag(ap, ap->active_tag);
- if (qc)
- ata_qc_timeout(qc);
- else {
- printk(KERN_ERR "ata%u: BUG: timeout without command\n",
- ap->id);
- goto out;
- }
+ ata_qc_timeout(ata_qc_from_tag(ap, ap->active_tag));
-out:
DPRINTK("EXIT\n");
}
diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c
index d9a554c..9b56f9b 100644
--- a/drivers/scsi/sata_mv.c
+++ b/drivers/scsi/sata_mv.c
@@ -1853,13 +1853,8 @@ static void mv_eng_timeout(struct ata_po
mv_err_intr(ap);
mv_stop_and_reset(ap);
- if (!qc) {
- printk(KERN_ERR "ata%u: BUG: timeout without command\n",
- ap->id);
- } else {
- qc->err_mask |= AC_ERR_TIMEOUT;
- ata_eh_qc_complete(qc);
- }
+ qc->err_mask |= AC_ERR_TIMEOUT;
+ ata_eh_qc_complete(qc);
}
/**
diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index 77ef646..9fc9cbf 100644
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -394,11 +394,6 @@ static void pdc_eng_timeout(struct ata_p
spin_lock_irqsave(&host_set->lock, flags);
qc = ata_qc_from_tag(ap, ap->active_tag);
- if (!qc) {
- printk(KERN_ERR "ata%u: BUG: timeout without command\n",
- ap->id);
- goto out;
- }
switch (qc->tf.protocol) {
case ATA_PROT_DMA:
@@ -418,10 +413,8 @@ static void pdc_eng_timeout(struct ata_p
break;
}
-out:
spin_unlock_irqrestore(&host_set->lock, flags);
- if (qc)
- ata_eh_qc_complete(qc);
+ ata_eh_qc_complete(qc);
DPRINTK("EXIT\n");
}
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index 7222fc7..1160fda 100644
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -638,11 +638,6 @@ static void sil24_eng_timeout(struct ata
struct ata_queued_cmd *qc;
qc = ata_qc_from_tag(ap, ap->active_tag);
- if (!qc) {
- printk(KERN_ERR "ata%u: BUG: timeout without command\n",
- ap->id);
- return;
- }
printk(KERN_ERR "ata%u: command timeout\n", ap->id);
qc->err_mask |= AC_ERR_TIMEOUT;
diff --git a/drivers/scsi/sata_sx4.c b/drivers/scsi/sata_sx4.c
index 9f992fb..b4ffa3f 100644
--- a/drivers/scsi/sata_sx4.c
+++ b/drivers/scsi/sata_sx4.c
@@ -866,11 +866,6 @@ static void pdc_eng_timeout(struct ata_p
spin_lock_irqsave(&host_set->lock, flags);
qc = ata_qc_from_tag(ap, ap->active_tag);
- if (!qc) {
- printk(KERN_ERR "ata%u: BUG: timeout without command\n",
- ap->id);
- goto out;
- }
switch (qc->tf.protocol) {
case ATA_PROT_DMA:
@@ -889,10 +884,8 @@ static void pdc_eng_timeout(struct ata_p
break;
}
-out:
spin_unlock_irqrestore(&host_set->lock, flags);
- if (qc)
- ata_eh_qc_complete(qc);
+ ata_eh_qc_complete(qc);
DPRINTK("EXIT\n");
}
--
1.0.8
next prev parent reply other threads:[~2006-01-23 4:09 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-23 4:09 [PATCHSET] libata: various fixes related to EH, take #2 Tejun Heo
2006-01-23 4:09 ` [PATCH 01/13] libata: fold __ata_qc_complete() into ata_qc_free() Tejun Heo
2006-01-27 3:34 ` Jeff Garzik
2006-01-23 4:09 ` [PATCH 06/13] libata: return AC_ERR_* from issue functions Tejun Heo
2006-01-23 4:09 ` [PATCH 07/13] SCSI: export scsi_eh_finish_cmd() and scsi_eh_flush_done_q() Tejun Heo
2006-01-23 7:09 ` Jeff Garzik
2006-01-23 7:26 ` Arjan van de Ven
2006-01-23 8:20 ` Tejun Heo
2006-01-23 9:36 ` Christoph Hellwig
2006-01-23 10:05 ` Tejun Heo
2006-01-24 17:11 ` Luben Tuikov
2006-01-24 17:20 ` Arjan van de Ven
2006-01-24 18:25 ` Luben Tuikov
2006-01-24 17:30 ` Jeff Garzik
2006-01-24 18:53 ` Luben Tuikov
2006-01-23 14:52 ` Tejun Heo
2006-01-23 4:09 ` [PATCH 05/13] libata: add detailed AC_ERR_* flags Tejun Heo
2006-01-23 4:09 ` [PATCH 02/13] libata: make the owner of a qc responsible for freeing it Tejun Heo
2006-01-23 4:09 ` [PATCH 03/13] libata: fix ata_qc_issue() error handling Tejun Heo
2006-01-23 4:09 ` [PATCH 04/13] ahci: fix err_mask setting in ahci_host_intr Tejun Heo
2006-01-27 3:36 ` Jeff Garzik
2006-01-23 4:09 ` [PATCH 13/13] libata: EH / pio tasks synchronization Tejun Heo
2006-01-23 4:09 ` Tejun Heo [this message]
2006-01-23 4:09 ` [PATCH 11/13] libata: implement ATA_FLAG_IN_EH port flag Tejun Heo
2006-01-27 4:00 ` Jeff Garzik
2006-01-23 4:09 ` [PATCH 12/13] libata: create pio/atapi task queueing wrappers Tejun Heo
2006-01-27 4:02 ` Jeff Garzik
2006-01-23 4:09 ` [PATCH 08/13] libata: implement and apply ata_eh_qc_complete/retry() Tejun Heo
2006-01-23 4:09 ` [PATCH 09/13] libata: fix handling of race between timeout and completion Tejun Heo
2006-01-27 3:55 ` Jeff Garzik
2006-01-27 3:58 ` Jeff Garzik
2006-02-01 15:36 ` Tejun Heo
2006-02-09 6:21 ` Jeff Garzik
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