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authorBart Van Assche2021-11-16 14:31:15 -0800
committerMartin K. Petersen2021-11-18 22:26:58 -0500
commit0a84486d6c1da1c2738544d8fc1b07b1d3ce046f (patch)
treefb10b2ac88edc16704143e7e96425bee1d68b680 /drivers
parent54d816d3d36293728ffc8488fae14b002d4b4a64 (diff)
scsi: core: Remove Scsi_Host.shost_dev_attr_groups
Simplify the scsi_host_alloc() implementation by setting the shost_class .dev_groups member instead of copying all host attribute group pointers into the shost_dev_attr_groups[] array. Link: https://lore.kernel.org/r/20211116223115.2103031-1-bvanassche@acm.org Cc: Steffen Maier <maier@linux.ibm.com> Cc: Damien Le Moal <damien.lemoal@wdc.com> Suggested-by: Benjamin Block <bblock@linux.ibm.com> Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/hosts.c15
-rw-r--r--drivers/scsi/scsi_priv.h2
-rw-r--r--drivers/scsi/scsi_sysfs.c7
3 files changed, 10 insertions, 14 deletions
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 8049b00b6766..f69b77cbf538 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -61,6 +61,7 @@ static void scsi_host_cls_release(struct device *dev)
static struct class shost_class = {
.name = "scsi_host",
.dev_release = scsi_host_cls_release,
+ .dev_groups = scsi_shost_groups,
};
/**
@@ -377,7 +378,7 @@ static struct device_type scsi_host_type = {
struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
{
struct Scsi_Host *shost;
- int index, i, j = 0;
+ int index;
shost = kzalloc(sizeof(struct Scsi_Host) + privsize, GFP_KERNEL);
if (!shost)
@@ -483,17 +484,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
shost->shost_dev.parent = &shost->shost_gendev;
shost->shost_dev.class = &shost_class;
dev_set_name(&shost->shost_dev, "host%d", shost->host_no);
- shost->shost_dev.groups = shost->shost_dev_attr_groups;
- shost->shost_dev_attr_groups[j++] = &scsi_shost_attr_group;
- if (sht->shost_groups) {
- for (i = 0; sht->shost_groups[i] &&
- j < ARRAY_SIZE(shost->shost_dev_attr_groups);
- i++, j++) {
- shost->shost_dev_attr_groups[j] =
- sht->shost_groups[i];
- }
- }
- WARN_ON_ONCE(j >= ARRAY_SIZE(shost->shost_dev_attr_groups));
+ shost->shost_dev.groups = sht->shost_groups;
shost->ehandler = kthread_run(scsi_error_handler, shost,
"scsi_eh_%d", shost->host_no);
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index a278fc8948f4..0f5743f4769b 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -144,7 +144,7 @@ extern struct scsi_transport_template blank_transport_template;
extern void __scsi_remove_device(struct scsi_device *);
extern struct bus_type scsi_bus_type;
-extern const struct attribute_group scsi_shost_attr_group;
+extern const struct attribute_group *scsi_shost_groups[];
/* scsi_netlink.c */
#ifdef CONFIG_SCSI_NETLINK
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 55addd78fde4..61839773cc72 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -424,10 +424,15 @@ static struct attribute *scsi_sysfs_shost_attrs[] = {
NULL
};
-const struct attribute_group scsi_shost_attr_group = {
+static const struct attribute_group scsi_shost_attr_group = {
.attrs = scsi_sysfs_shost_attrs,
};
+const struct attribute_group *scsi_shost_groups[] = {
+ &scsi_shost_attr_group,
+ NULL
+};
+
static void scsi_device_cls_release(struct device *class_dev)
{
struct scsi_device *sdev;