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[SCSI] zfcp: remove access control tables interface (keep sysfs files)

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By popular demand, this patch brings back a couple of sysfs attributes
removed by commit 663e0890e3
"[SCSI] zfcp: remove access control tables interface".
The content has been irrelevant for years, but the files must be
there forever for whatever user space tools that may rely on them.

Since these files always return a constant value, a new stripped
down show-macro was required. Otherwise build warnings would have
been introduced.

Signed-off-by: Martin Peschke <mpeschke@linux.vnet.ibm.com>
Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Martin Peschke 2013-08-22 17:45:38 +02:00 committed by James Bottomley
parent 924dd584b1
commit b5dc3c4800
1 changed files with 14 additions and 0 deletions
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14
drivers/s390/scsi/zfcp_sysfs.c
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@ -27,6 +27,16 @@ static ssize_t zfcp_sysfs_##_feat##_##_name##_show(struct device *dev, \
static ZFCP_DEV_ATTR(_feat, _name, S_IRUGO, \ static ZFCP_DEV_ATTR(_feat, _name, S_IRUGO, \
zfcp_sysfs_##_feat##_##_name##_show, NULL); zfcp_sysfs_##_feat##_##_name##_show, NULL);
#define ZFCP_DEFINE_ATTR_CONST(_feat, _name, _format, _value) \
static ssize_t zfcp_sysfs_##_feat##_##_name##_show(struct device *dev, \
struct device_attribute *at,\
char *buf) \
{ \
return sprintf(buf, _format, _value); \
} \
static ZFCP_DEV_ATTR(_feat, _name, S_IRUGO, \
zfcp_sysfs_##_feat##_##_name##_show, NULL);
#define ZFCP_DEFINE_A_ATTR(_name, _format, _value) \ #define ZFCP_DEFINE_A_ATTR(_name, _format, _value) \
static ssize_t zfcp_sysfs_adapter_##_name##_show(struct device *dev, \ static ssize_t zfcp_sysfs_adapter_##_name##_show(struct device *dev, \
struct device_attribute *at,\ struct device_attribute *at,\
@ -75,6 +85,8 @@ ZFCP_DEFINE_ATTR(zfcp_unit, unit, in_recovery, "%d\n",
ZFCP_DEFINE_ATTR(zfcp_unit, unit, access_denied, "%d\n", ZFCP_DEFINE_ATTR(zfcp_unit, unit, access_denied, "%d\n",
(zfcp_unit_sdev_status(unit) & (zfcp_unit_sdev_status(unit) &
ZFCP_STATUS_COMMON_ACCESS_DENIED) != 0); ZFCP_STATUS_COMMON_ACCESS_DENIED) != 0);
ZFCP_DEFINE_ATTR_CONST(unit, access_shared, "%d\n", 0);
ZFCP_DEFINE_ATTR_CONST(unit, access_readonly, "%d\n", 0);
static ssize_t zfcp_sysfs_port_failed_show(struct device *dev, static ssize_t zfcp_sysfs_port_failed_show(struct device *dev,
struct device_attribute *attr, struct device_attribute *attr,
@ -347,6 +359,8 @@ static struct attribute *zfcp_unit_attrs[] = {
&dev_attr_unit_in_recovery.attr, &dev_attr_unit_in_recovery.attr,
&dev_attr_unit_status.attr, &dev_attr_unit_status.attr,
&dev_attr_unit_access_denied.attr, &dev_attr_unit_access_denied.attr,
&dev_attr_unit_access_shared.attr,
&dev_attr_unit_access_readonly.attr,
NULL NULL
}; };
static struct attribute_group zfcp_unit_attr_group = { static struct attribute_group zfcp_unit_attr_group = {