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Date: Sat, 3 Oct 2015 15:32:46 +0200
From: Christoph Hellwig <hch@....de>
To: Joel Becker <jlbec@...lplan.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Nicholas Bellinger <nab@...ux-iscsi.org>
Cc: Felipe Balbi <balbi@...com>,
Andrzej Pietrasiewicz <andrzej.p@...sung.com>,
Tejun Heo <tj@...nel.org>,
Pratyush Anand <pratyush.anand@...il.com>,
Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
target-devel@...r.kernel.org, cluster-devel@...hat.com,
ocfs2-devel@....oracle.com, linux-usb@...r.kernel.org,
netdev@...r.kernel.org
Subject: [PATCH 10/23] usb-gadget/f_sourcesink: use per-attribute show and store methods
To simplify the configfs interface and remove boilerplate code that also
causes binary bloat.
Signed-off-by: Christoph Hellwig <hch@....de>
Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@...sung.com>
---
drivers/usb/gadget/function/f_sourcesink.c | 83 +++++++++++++-----------------
1 file changed, 36 insertions(+), 47 deletions(-)
diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c
index cbfaf86..878a581 100644
--- a/drivers/usb/gadget/function/f_sourcesink.c
+++ b/drivers/usb/gadget/function/f_sourcesink.c
@@ -898,9 +898,6 @@ static inline struct f_ss_opts *to_f_ss_opts(struct config_item *item)
func_inst.group);
}
-CONFIGFS_ATTR_STRUCT(f_ss_opts);
-CONFIGFS_ATTR_OPS(f_ss_opts);
-
static void ss_attr_release(struct config_item *item)
{
struct f_ss_opts *ss_opts = to_f_ss_opts(item);
@@ -910,12 +907,11 @@ static void ss_attr_release(struct config_item *item)
static struct configfs_item_operations ss_item_ops = {
.release = ss_attr_release,
- .show_attribute = f_ss_opts_attr_show,
- .store_attribute = f_ss_opts_attr_store,
};
-static ssize_t f_ss_opts_pattern_show(struct f_ss_opts *opts, char *page)
+static ssize_t f_ss_opts_pattern_show(struct config_item *item, char *page)
{
+ struct f_ss_opts *opts = to_f_ss_opts(item);
int result;
mutex_lock(&opts->lock);
@@ -925,9 +921,10 @@ static ssize_t f_ss_opts_pattern_show(struct f_ss_opts *opts, char *page)
return result;
}
-static ssize_t f_ss_opts_pattern_store(struct f_ss_opts *opts,
+static ssize_t f_ss_opts_pattern_store(struct config_item *item,
const char *page, size_t len)
{
+ struct f_ss_opts *opts = to_f_ss_opts(item);
int ret;
u8 num;
@@ -953,13 +950,11 @@ end:
return ret;
}
-static struct f_ss_opts_attribute f_ss_opts_pattern =
- __CONFIGFS_ATTR(pattern, S_IRUGO | S_IWUSR,
- f_ss_opts_pattern_show,
- f_ss_opts_pattern_store);
+CONFIGFS_ATTR(f_ss_opts_, pattern);
-static ssize_t f_ss_opts_isoc_interval_show(struct f_ss_opts *opts, char *page)
+static ssize_t f_ss_opts_isoc_interval_show(struct config_item *item, char *page)
{
+ struct f_ss_opts *opts = to_f_ss_opts(item);
int result;
mutex_lock(&opts->lock);
@@ -969,9 +964,10 @@ static ssize_t f_ss_opts_isoc_interval_show(struct f_ss_opts *opts, char *page)
return result;
}
-static ssize_t f_ss_opts_isoc_interval_store(struct f_ss_opts *opts,
+static ssize_t f_ss_opts_isoc_interval_store(struct config_item *item,
const char *page, size_t len)
{
+ struct f_ss_opts *opts = to_f_ss_opts(item);
int ret;
u8 num;
@@ -997,13 +993,11 @@ end:
return ret;
}
-static struct f_ss_opts_attribute f_ss_opts_isoc_interval =
- __CONFIGFS_ATTR(isoc_interval, S_IRUGO | S_IWUSR,
- f_ss_opts_isoc_interval_show,
- f_ss_opts_isoc_interval_store);
+CONFIGFS_ATTR(f_ss_opts_, isoc_interval);
-static ssize_t f_ss_opts_isoc_maxpacket_show(struct f_ss_opts *opts, char *page)
+static ssize_t f_ss_opts_isoc_maxpacket_show(struct config_item *item, char *page)
{
+ struct f_ss_opts *opts = to_f_ss_opts(item);
int result;
mutex_lock(&opts->lock);
@@ -1013,9 +1007,10 @@ static ssize_t f_ss_opts_isoc_maxpacket_show(struct f_ss_opts *opts, char *page)
return result;
}
-static ssize_t f_ss_opts_isoc_maxpacket_store(struct f_ss_opts *opts,
+static ssize_t f_ss_opts_isoc_maxpacket_store(struct config_item *item,
const char *page, size_t len)
{
+ struct f_ss_opts *opts = to_f_ss_opts(item);
int ret;
u16 num;
@@ -1041,13 +1036,11 @@ end:
return ret;
}
-static struct f_ss_opts_attribute f_ss_opts_isoc_maxpacket =
- __CONFIGFS_ATTR(isoc_maxpacket, S_IRUGO | S_IWUSR,
- f_ss_opts_isoc_maxpacket_show,
- f_ss_opts_isoc_maxpacket_store);
+CONFIGFS_ATTR(f_ss_opts_, isoc_maxpacket);
-static ssize_t f_ss_opts_isoc_mult_show(struct f_ss_opts *opts, char *page)
+static ssize_t f_ss_opts_isoc_mult_show(struct config_item *item, char *page)
{
+ struct f_ss_opts *opts = to_f_ss_opts(item);
int result;
mutex_lock(&opts->lock);
@@ -1057,9 +1050,10 @@ static ssize_t f_ss_opts_isoc_mult_show(struct f_ss_opts *opts, char *page)
return result;
}
-static ssize_t f_ss_opts_isoc_mult_store(struct f_ss_opts *opts,
+static ssize_t f_ss_opts_isoc_mult_store(struct config_item *item,
const char *page, size_t len)
{
+ struct f_ss_opts *opts = to_f_ss_opts(item);
int ret;
u8 num;
@@ -1085,13 +1079,11 @@ end:
return ret;
}
-static struct f_ss_opts_attribute f_ss_opts_isoc_mult =
- __CONFIGFS_ATTR(isoc_mult, S_IRUGO | S_IWUSR,
- f_ss_opts_isoc_mult_show,
- f_ss_opts_isoc_mult_store);
+CONFIGFS_ATTR(f_ss_opts_, isoc_mult);
-static ssize_t f_ss_opts_isoc_maxburst_show(struct f_ss_opts *opts, char *page)
+static ssize_t f_ss_opts_isoc_maxburst_show(struct config_item *item, char *page)
{
+ struct f_ss_opts *opts = to_f_ss_opts(item);
int result;
mutex_lock(&opts->lock);
@@ -1101,9 +1093,10 @@ static ssize_t f_ss_opts_isoc_maxburst_show(struct f_ss_opts *opts, char *page)
return result;
}
-static ssize_t f_ss_opts_isoc_maxburst_store(struct f_ss_opts *opts,
+static ssize_t f_ss_opts_isoc_maxburst_store(struct config_item *item,
const char *page, size_t len)
{
+ struct f_ss_opts *opts = to_f_ss_opts(item);
int ret;
u8 num;
@@ -1129,13 +1122,11 @@ end:
return ret;
}
-static struct f_ss_opts_attribute f_ss_opts_isoc_maxburst =
- __CONFIGFS_ATTR(isoc_maxburst, S_IRUGO | S_IWUSR,
- f_ss_opts_isoc_maxburst_show,
- f_ss_opts_isoc_maxburst_store);
+CONFIGFS_ATTR(f_ss_opts_, isoc_maxburst);
-static ssize_t f_ss_opts_bulk_buflen_show(struct f_ss_opts *opts, char *page)
+static ssize_t f_ss_opts_bulk_buflen_show(struct config_item *item, char *page)
{
+ struct f_ss_opts *opts = to_f_ss_opts(item);
int result;
mutex_lock(&opts->lock);
@@ -1145,9 +1136,10 @@ static ssize_t f_ss_opts_bulk_buflen_show(struct f_ss_opts *opts, char *page)
return result;
}
-static ssize_t f_ss_opts_bulk_buflen_store(struct f_ss_opts *opts,
+static ssize_t f_ss_opts_bulk_buflen_store(struct config_item *item,
const char *page, size_t len)
{
+ struct f_ss_opts *opts = to_f_ss_opts(item);
int ret;
u32 num;
@@ -1168,18 +1160,15 @@ end:
return ret;
}
-static struct f_ss_opts_attribute f_ss_opts_bulk_buflen =
- __CONFIGFS_ATTR(buflen, S_IRUGO | S_IWUSR,
- f_ss_opts_bulk_buflen_show,
- f_ss_opts_bulk_buflen_store);
+CONFIGFS_ATTR(f_ss_opts_, bulk_buflen);
static struct configfs_attribute *ss_attrs[] = {
- &f_ss_opts_pattern.attr,
- &f_ss_opts_isoc_interval.attr,
- &f_ss_opts_isoc_maxpacket.attr,
- &f_ss_opts_isoc_mult.attr,
- &f_ss_opts_isoc_maxburst.attr,
- &f_ss_opts_bulk_buflen.attr,
+ &f_ss_opts_attr_pattern,
+ &f_ss_opts_attr_isoc_interval,
+ &f_ss_opts_attr_isoc_maxpacket,
+ &f_ss_opts_attr_isoc_mult,
+ &f_ss_opts_attr_isoc_maxburst,
+ &f_ss_opts_attr_bulk_buflen,
NULL,
};
--
1.9.1
--
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