[PATCH v4 01/10] libsas: convert dev->gone to flags
From: Dan Williams <hidden>
Date: 2012-01-17 05:11:07
Also in:
linux-scsi
Subsystem:
scsi libsas subsystem, scsi subsystem, the rest · Maintainers:
"James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
In preparation for adding tracking of another device state "destroy". Signed-off-by: Dan Williams <redacted> --- drivers/scsi/libsas/sas_ata.c | 2 +- drivers/scsi/libsas/sas_expander.c | 6 +++--- drivers/scsi/libsas/sas_port.c | 2 +- drivers/scsi/libsas/sas_scsi_host.c | 2 +- include/scsi/libsas.h | 7 +++++-- 5 files changed, 11 insertions(+), 8 deletions(-)
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 81ce39d..2fc5a39 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c@@ -184,7 +184,7 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc) spin_unlock(ap->lock); /* If the device fell off, no sense in issuing commands */ - if (dev->gone) + if (test_bit(SAS_DEV_GONE, &dev->state)) goto out; task = sas_alloc_task(GFP_ATOMIC);
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 15d2239..f33d0c9 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c@@ -1750,7 +1750,7 @@ static void sas_unregister_ex_tree(struct asd_sas_port *port, struct domain_devi struct domain_device *child, *n; list_for_each_entry_safe(child, n, &ex->children, siblings) { - child->gone = 1; + set_bit(SAS_DEV_GONE, &child->state); if (child->dev_type == EDGE_DEV || child->dev_type == FANOUT_DEV) sas_unregister_ex_tree(port, child);
@@ -1771,7 +1771,7 @@ static void sas_unregister_devs_sas_addr(struct domain_device *parent, &ex_dev->children, siblings) { if (SAS_ADDR(child->sas_addr) == SAS_ADDR(phy->attached_sas_addr)) { - child->gone = 1; + set_bit(SAS_DEV_GONE, &child->state); if (child->dev_type == EDGE_DEV || child->dev_type == FANOUT_DEV) sas_unregister_ex_tree(parent->port, child);
@@ -1780,7 +1780,7 @@ static void sas_unregister_devs_sas_addr(struct domain_device *parent, break; } } - parent->gone = 1; + set_bit(SAS_DEV_GONE, &parent->state); sas_disable_routing(parent, phy->attached_sas_addr); } memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE);
diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c
index a47c7a7..d88e55f 100644
--- a/drivers/scsi/libsas/sas_port.c
+++ b/drivers/scsi/libsas/sas_port.c@@ -171,7 +171,7 @@ void sas_deform_port(struct asd_sas_phy *phy, int gone) if (port->num_phys == 1) { if (dev && gone) - dev->gone = 1; + set_bit(SAS_DEV_GONE, &dev->state); sas_unregister_domain_devices(port); sas_port_delete(port->port); port->port = NULL;
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index fd60465..15533a1 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c@@ -192,7 +192,7 @@ int sas_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) int res = 0; /* If the device fell off, no sense in issuing commands */ - if (dev->gone) { + if (test_bit(SAS_DEV_GONE, &dev->state)) { cmd->result = DID_BAD_TARGET << 16; goto out_done; }
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index 42900fa..d792b13 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h@@ -173,7 +173,10 @@ struct sata_device { struct ata_taskfile tf; }; -/* ---------- Domain device ---------- */ +enum { + SAS_DEV_GONE, +}; + struct domain_device { enum sas_dev_type dev_type;
@@ -205,7 +208,7 @@ struct domain_device { }; void *lldd_dev; - int gone; + unsigned long state; struct kref kref; };