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ib_srpt: Add per-target "device" attribute

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5119 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2013-11-18 13:06:55 +00:00
parent 107b228f15
commit 6d2efd72fd
1 changed files with 30 additions and 0 deletions
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30
srpt/src/ib_srpt.c
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@@ -3607,6 +3607,35 @@ static uint16_t srpt_get_scsi_transport_version(struct scst_tgt *scst_tgt)
}
#if !defined(CONFIG_SCST_PROC)
static ssize_t srpt_show_device(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
struct scst_tgt *scst_tgt = container_of(kobj, struct scst_tgt,
tgt_kobj);
struct srpt_tgt *srpt_tgt = srpt_convert_scst_tgt(scst_tgt);
struct srpt_device *sdev;
int res = -E_TGT_PRIV_NOT_YET_SET;
if (!srpt_tgt)
goto out;
if (one_target_per_port) {
struct srpt_port *sport;
sport = container_of(srpt_tgt, struct srpt_port, srpt_tgt);
sdev = sport->sdev;
} else {
sdev = container_of(srpt_tgt, struct srpt_device, srpt_tgt);
}
res = sprintf(buf, "%s\n", sdev->device->name);
out:
return res;
}
static struct kobj_attribute srpt_device_attr =
__ATTR(device, S_IRUGO, srpt_show_device, NULL);
static ssize_t show_login_info(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
@@ -3669,6 +3698,7 @@ static struct kobj_attribute srpt_show_login_info_attr =
__ATTR(login_info, S_IRUGO, show_login_info, NULL);
static const struct attribute *srpt_tgt_attrs[] = {
&srpt_device_attr.attr,
&srpt_show_login_info_attr.attr,
NULL
};