* [PATCH v2 -next] RDMA/srp: use DEVICE_ATTR_*() macro
@ 2021-05-28 12:30 YueHaibing
2021-05-28 12:33 ` Jason Gunthorpe
0 siblings, 1 reply; 3+ messages in thread
From: YueHaibing @ 2021-05-28 12:30 UTC (permalink / raw)
To: bvanassche, dledford, jgg; +Cc: linux-rdma, linux-kernel, YueHaibing
Use DEVICE_ATTR_*() helper instead of plain DEVICE_ATTR,
which makes the code a bit shorter and easier to read.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
v2: convert show_port device attr
drivers/infiniband/ulp/srp/ib_srp.c | 94 ++++++++++++++---------------
1 file changed, 47 insertions(+), 47 deletions(-)
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 31f8aa2c40ed..1c18b607b575 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -2891,23 +2891,23 @@ static int srp_slave_configure(struct scsi_device *sdev)
return 0;
}
-static ssize_t show_id_ext(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t id_ext_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
return sysfs_emit(buf, "0x%016llx\n", be64_to_cpu(target->id_ext));
}
-static ssize_t show_ioc_guid(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t ioc_guid_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
return sysfs_emit(buf, "0x%016llx\n", be64_to_cpu(target->ioc_guid));
}
-static ssize_t show_service_id(struct device *dev,
+static ssize_t service_id_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
@@ -2918,8 +2918,8 @@ static ssize_t show_service_id(struct device *dev,
be64_to_cpu(target->ib_cm.service_id));
}
-static ssize_t show_pkey(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t pkey_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
@@ -2929,16 +2929,16 @@ static ssize_t show_pkey(struct device *dev, struct device_attribute *attr,
return sysfs_emit(buf, "0x%04x\n", be16_to_cpu(target->ib_cm.pkey));
}
-static ssize_t show_sgid(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t sgid_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
return sysfs_emit(buf, "%pI6\n", target->sgid.raw);
}
-static ssize_t show_dgid(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t dgid_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
struct srp_rdma_ch *ch = &target->ch[0];
@@ -2949,7 +2949,7 @@ static ssize_t show_dgid(struct device *dev, struct device_attribute *attr,
return sysfs_emit(buf, "%pI6\n", ch->ib_cm.path.dgid.raw);
}
-static ssize_t show_orig_dgid(struct device *dev,
+static ssize_t orig_dgid_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
@@ -2960,7 +2960,7 @@ static ssize_t show_orig_dgid(struct device *dev,
return sysfs_emit(buf, "%pI6\n", target->ib_cm.orig_dgid.raw);
}
-static ssize_t show_req_lim(struct device *dev,
+static ssize_t req_lim_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
@@ -2975,7 +2975,7 @@ static ssize_t show_req_lim(struct device *dev,
return sysfs_emit(buf, "%d\n", req_lim);
}
-static ssize_t show_zero_req_lim(struct device *dev,
+static ssize_t zero_req_lim_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
@@ -2983,7 +2983,7 @@ static ssize_t show_zero_req_lim(struct device *dev,
return sysfs_emit(buf, "%d\n", target->zero_req_lim);
}
-static ssize_t show_local_ib_port(struct device *dev,
+static ssize_t local_ib_port_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
@@ -2991,7 +2991,7 @@ static ssize_t show_local_ib_port(struct device *dev,
return sysfs_emit(buf, "%d\n", target->srp_host->port);
}
-static ssize_t show_local_ib_device(struct device *dev,
+static ssize_t local_ib_device_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
@@ -3000,15 +3000,15 @@ static ssize_t show_local_ib_device(struct device *dev,
dev_name(&target->srp_host->srp_dev->dev->dev));
}
-static ssize_t show_ch_count(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t ch_count_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
return sysfs_emit(buf, "%d\n", target->ch_count);
}
-static ssize_t show_comp_vector(struct device *dev,
+static ssize_t comp_vector_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
@@ -3016,7 +3016,7 @@ static ssize_t show_comp_vector(struct device *dev,
return sysfs_emit(buf, "%d\n", target->comp_vector);
}
-static ssize_t show_tl_retry_count(struct device *dev,
+static ssize_t tl_retry_count_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
@@ -3024,7 +3024,7 @@ static ssize_t show_tl_retry_count(struct device *dev,
return sysfs_emit(buf, "%d\n", target->tl_retry_count);
}
-static ssize_t show_cmd_sg_entries(struct device *dev,
+static ssize_t cmd_sg_entries_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
@@ -3032,7 +3032,7 @@ static ssize_t show_cmd_sg_entries(struct device *dev,
return sysfs_emit(buf, "%u\n", target->cmd_sg_cnt);
}
-static ssize_t show_allow_ext_sg(struct device *dev,
+static ssize_t allow_ext_sg_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct srp_target_port *target = host_to_target(class_to_shost(dev));
@@ -3040,22 +3040,22 @@ static ssize_t show_allow_ext_sg(struct device *dev,
return sysfs_emit(buf, "%s\n", target->allow_ext_sg ? "true" : "false");
}
-static DEVICE_ATTR(id_ext, S_IRUGO, show_id_ext, NULL);
-static DEVICE_ATTR(ioc_guid, S_IRUGO, show_ioc_guid, NULL);
-static DEVICE_ATTR(service_id, S_IRUGO, show_service_id, NULL);
-static DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL);
-static DEVICE_ATTR(sgid, S_IRUGO, show_sgid, NULL);
-static DEVICE_ATTR(dgid, S_IRUGO, show_dgid, NULL);
-static DEVICE_ATTR(orig_dgid, S_IRUGO, show_orig_dgid, NULL);
-static DEVICE_ATTR(req_lim, S_IRUGO, show_req_lim, NULL);
-static DEVICE_ATTR(zero_req_lim, S_IRUGO, show_zero_req_lim, NULL);
-static DEVICE_ATTR(local_ib_port, S_IRUGO, show_local_ib_port, NULL);
-static DEVICE_ATTR(local_ib_device, S_IRUGO, show_local_ib_device, NULL);
-static DEVICE_ATTR(ch_count, S_IRUGO, show_ch_count, NULL);
-static DEVICE_ATTR(comp_vector, S_IRUGO, show_comp_vector, NULL);
-static DEVICE_ATTR(tl_retry_count, S_IRUGO, show_tl_retry_count, NULL);
-static DEVICE_ATTR(cmd_sg_entries, S_IRUGO, show_cmd_sg_entries, NULL);
-static DEVICE_ATTR(allow_ext_sg, S_IRUGO, show_allow_ext_sg, NULL);
+static DEVICE_ATTR_RO(id_ext);
+static DEVICE_ATTR_RO(ioc_guid);
+static DEVICE_ATTR_RO(service_id);
+static DEVICE_ATTR_RO(pkey);
+static DEVICE_ATTR_RO(sgid);
+static DEVICE_ATTR_RO(dgid);
+static DEVICE_ATTR_RO(orig_dgid);
+static DEVICE_ATTR_RO(req_lim);
+static DEVICE_ATTR_RO(zero_req_lim);
+static DEVICE_ATTR_RO(local_ib_port);
+static DEVICE_ATTR_RO(local_ib_device);
+static DEVICE_ATTR_RO(ch_count);
+static DEVICE_ATTR_RO(comp_vector);
+static DEVICE_ATTR_RO(tl_retry_count);
+static DEVICE_ATTR_RO(cmd_sg_entries);
+static DEVICE_ATTR_RO(allow_ext_sg);
static struct device_attribute *srp_host_attrs[] = {
&dev_attr_id_ext,
@@ -3617,9 +3617,9 @@ static int srp_parse_options(struct net *net, const char *buf,
return ret;
}
-static ssize_t srp_create_target(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t add_target_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct srp_host *host =
container_of(dev, struct srp_host, dev);
@@ -3870,19 +3870,19 @@ static ssize_t srp_create_target(struct device *dev,
goto out;
}
-static DEVICE_ATTR(add_target, S_IWUSR, NULL, srp_create_target);
+static DEVICE_ATTR_WO(add_target);
-static ssize_t show_ibdev(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t ibdev_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct srp_host *host = container_of(dev, struct srp_host, dev);
return sysfs_emit(buf, "%s\n", dev_name(&host->srp_dev->dev->dev));
}
-static DEVICE_ATTR(ibdev, S_IRUGO, show_ibdev, NULL);
+static DEVICE_ATTR_RO(ibdev);
-static ssize_t show_port(struct device *dev, struct device_attribute *attr,
+static ssize_t port_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct srp_host *host = container_of(dev, struct srp_host, dev);
@@ -3890,7 +3890,7 @@ static ssize_t show_port(struct device *dev, struct device_attribute *attr,
return sysfs_emit(buf, "%d\n", host->port);
}
-static DEVICE_ATTR(port, S_IRUGO, show_port, NULL);
+static DEVICE_ATTR_RO(port);
static struct srp_host *srp_add_port(struct srp_device *device, u8 port)
{
--
2.17.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v2 -next] RDMA/srp: use DEVICE_ATTR_*() macro
2021-05-28 12:30 [PATCH v2 -next] RDMA/srp: use DEVICE_ATTR_*() macro YueHaibing
@ 2021-05-28 12:33 ` Jason Gunthorpe
2021-05-28 12:56 ` YueHaibing
0 siblings, 1 reply; 3+ messages in thread
From: Jason Gunthorpe @ 2021-05-28 12:33 UTC (permalink / raw)
To: YueHaibing; +Cc: bvanassche, dledford, linux-rdma, linux-kernel
On Fri, May 28, 2021 at 08:30:39PM +0800, YueHaibing wrote:
> @@ -3040,22 +3040,22 @@ static ssize_t show_allow_ext_sg(struct device *dev,
> return sysfs_emit(buf, "%s\n", target->allow_ext_sg ? "true" : "false");
> }
>
> -static DEVICE_ATTR(id_ext, S_IRUGO, show_id_ext, NULL);
> -static DEVICE_ATTR(ioc_guid, S_IRUGO, show_ioc_guid, NULL);
> -static DEVICE_ATTR(service_id, S_IRUGO, show_service_id, NULL);
> -static DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL);
> -static DEVICE_ATTR(sgid, S_IRUGO, show_sgid, NULL);
> -static DEVICE_ATTR(dgid, S_IRUGO, show_dgid, NULL);
> -static DEVICE_ATTR(orig_dgid, S_IRUGO, show_orig_dgid, NULL);
> -static DEVICE_ATTR(req_lim, S_IRUGO, show_req_lim, NULL);
> -static DEVICE_ATTR(zero_req_lim, S_IRUGO, show_zero_req_lim, NULL);
> -static DEVICE_ATTR(local_ib_port, S_IRUGO, show_local_ib_port, NULL);
> -static DEVICE_ATTR(local_ib_device, S_IRUGO, show_local_ib_device, NULL);
> -static DEVICE_ATTR(ch_count, S_IRUGO, show_ch_count, NULL);
> -static DEVICE_ATTR(comp_vector, S_IRUGO, show_comp_vector, NULL);
> -static DEVICE_ATTR(tl_retry_count, S_IRUGO, show_tl_retry_count, NULL);
> -static DEVICE_ATTR(cmd_sg_entries, S_IRUGO, show_cmd_sg_entries, NULL);
> -static DEVICE_ATTR(allow_ext_sg, S_IRUGO, show_allow_ext_sg, NULL);
> +static DEVICE_ATTR_RO(id_ext);
> +static DEVICE_ATTR_RO(ioc_guid);
> +static DEVICE_ATTR_RO(service_id);
> +static DEVICE_ATTR_RO(pkey);
> +static DEVICE_ATTR_RO(sgid);
> +static DEVICE_ATTR_RO(dgid);
> +static DEVICE_ATTR_RO(orig_dgid);
> +static DEVICE_ATTR_RO(req_lim);
> +static DEVICE_ATTR_RO(zero_req_lim);
> +static DEVICE_ATTR_RO(local_ib_port);
> +static DEVICE_ATTR_RO(local_ib_device);
> +static DEVICE_ATTR_RO(ch_count);
> +static DEVICE_ATTR_RO(comp_vector);
> +static DEVICE_ATTR_RO(tl_retry_count);
> +static DEVICE_ATTR_RO(cmd_sg_entries);
> +static DEVICE_ATTR_RO(allow_ext_sg);
can you also organize this so the ATTR's are placed after their
functions, as is normal?
Thanks,
Jason
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v2 -next] RDMA/srp: use DEVICE_ATTR_*() macro
2021-05-28 12:33 ` Jason Gunthorpe
@ 2021-05-28 12:56 ` YueHaibing
0 siblings, 0 replies; 3+ messages in thread
From: YueHaibing @ 2021-05-28 12:56 UTC (permalink / raw)
To: Jason Gunthorpe; +Cc: bvanassche, dledford, linux-rdma, linux-kernel
On 2021/5/28 20:33, Jason Gunthorpe wrote:
> On Fri, May 28, 2021 at 08:30:39PM +0800, YueHaibing wrote:
>> @@ -3040,22 +3040,22 @@ static ssize_t show_allow_ext_sg(struct device *dev,
>> return sysfs_emit(buf, "%s\n", target->allow_ext_sg ? "true" : "false");
>> }
>>
>> -static DEVICE_ATTR(id_ext, S_IRUGO, show_id_ext, NULL);
>> -static DEVICE_ATTR(ioc_guid, S_IRUGO, show_ioc_guid, NULL);
>> -static DEVICE_ATTR(service_id, S_IRUGO, show_service_id, NULL);
>> -static DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL);
>> -static DEVICE_ATTR(sgid, S_IRUGO, show_sgid, NULL);
>> -static DEVICE_ATTR(dgid, S_IRUGO, show_dgid, NULL);
>> -static DEVICE_ATTR(orig_dgid, S_IRUGO, show_orig_dgid, NULL);
>> -static DEVICE_ATTR(req_lim, S_IRUGO, show_req_lim, NULL);
>> -static DEVICE_ATTR(zero_req_lim, S_IRUGO, show_zero_req_lim, NULL);
>> -static DEVICE_ATTR(local_ib_port, S_IRUGO, show_local_ib_port, NULL);
>> -static DEVICE_ATTR(local_ib_device, S_IRUGO, show_local_ib_device, NULL);
>> -static DEVICE_ATTR(ch_count, S_IRUGO, show_ch_count, NULL);
>> -static DEVICE_ATTR(comp_vector, S_IRUGO, show_comp_vector, NULL);
>> -static DEVICE_ATTR(tl_retry_count, S_IRUGO, show_tl_retry_count, NULL);
>> -static DEVICE_ATTR(cmd_sg_entries, S_IRUGO, show_cmd_sg_entries, NULL);
>> -static DEVICE_ATTR(allow_ext_sg, S_IRUGO, show_allow_ext_sg, NULL);
>> +static DEVICE_ATTR_RO(id_ext);
>> +static DEVICE_ATTR_RO(ioc_guid);
>> +static DEVICE_ATTR_RO(service_id);
>> +static DEVICE_ATTR_RO(pkey);
>> +static DEVICE_ATTR_RO(sgid);
>> +static DEVICE_ATTR_RO(dgid);
>> +static DEVICE_ATTR_RO(orig_dgid);
>> +static DEVICE_ATTR_RO(req_lim);
>> +static DEVICE_ATTR_RO(zero_req_lim);
>> +static DEVICE_ATTR_RO(local_ib_port);
>> +static DEVICE_ATTR_RO(local_ib_device);
>> +static DEVICE_ATTR_RO(ch_count);
>> +static DEVICE_ATTR_RO(comp_vector);
>> +static DEVICE_ATTR_RO(tl_retry_count);
>> +static DEVICE_ATTR_RO(cmd_sg_entries);
>> +static DEVICE_ATTR_RO(allow_ext_sg);
>
> can you also organize this so the ATTR's are placed after their
> functions, as is normal?
Ok, v3 on the way.
>
> Thanks,
> Jason
> .
>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-05-28 12:56 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-05-28 12:30 [PATCH v2 -next] RDMA/srp: use DEVICE_ATTR_*() macro YueHaibing
2021-05-28 12:33 ` Jason Gunthorpe
2021-05-28 12:56 ` YueHaibing
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.