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-rw-r--r--net/core/netprio_cgroup.c12
-rw-r--r--net/ipv4/tcp_memcontrol.c16
2 files changed, 15 insertions, 13 deletions
diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c
index 3825f669147..b990cefd906 100644
--- a/net/core/netprio_cgroup.c
+++ b/net/core/netprio_cgroup.c
@@ -185,15 +185,15 @@ static int read_priomap(struct seq_file *sf, void *v)
return 0;
}
-static int write_priomap(struct cgroup_subsys_state *css, struct cftype *cft,
- char *buffer)
+static ssize_t write_priomap(struct kernfs_open_file *of,
+ char *buf, size_t nbytes, loff_t off)
{
char devname[IFNAMSIZ + 1];
struct net_device *dev;
u32 prio;
int ret;
- if (sscanf(buffer, "%"__stringify(IFNAMSIZ)"s %u", devname, &prio) != 2)
+ if (sscanf(buf, "%"__stringify(IFNAMSIZ)"s %u", devname, &prio) != 2)
return -EINVAL;
dev = dev_get_by_name(&init_net, devname);
@@ -202,11 +202,11 @@ static int write_priomap(struct cgroup_subsys_state *css, struct cftype *cft,
rtnl_lock();
- ret = netprio_set_prio(css, dev, prio);
+ ret = netprio_set_prio(of_css(of), dev, prio);
rtnl_unlock();
dev_put(dev);
- return ret;
+ return ret ?: nbytes;
}
static int update_netprio(const void *v, struct file *file, unsigned n)
@@ -239,7 +239,7 @@ static struct cftype ss_files[] = {
{
.name = "ifpriomap",
.seq_show = read_priomap,
- .write_string = write_priomap,
+ .write = write_priomap,
},
{ } /* terminate */
};
diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
index d4f015ad6c8..841fd3fa937 100644
--- a/net/ipv4/tcp_memcontrol.c
+++ b/net/ipv4/tcp_memcontrol.c
@@ -102,17 +102,19 @@ static int tcp_update_limit(struct mem_cgroup *memcg, u64 val)
return 0;
}
-static int tcp_cgroup_write(struct cgroup_subsys_state *css, struct cftype *cft,
- char *buffer)
+static ssize_t tcp_cgroup_write(struct kernfs_open_file *of,
+ char *buf, size_t nbytes, loff_t off)
{
- struct mem_cgroup *memcg = mem_cgroup_from_css(css);
+ struct mem_cgroup *memcg = mem_cgroup_from_css(of_css(of));
unsigned long long val;
int ret = 0;
- switch (cft->private) {
+ buf = strstrip(buf);
+
+ switch (of_cft(of)->private) {
case RES_LIMIT:
/* see memcontrol.c */
- ret = res_counter_memparse_write_strategy(buffer, &val);
+ ret = res_counter_memparse_write_strategy(buf, &val);
if (ret)
break;
ret = tcp_update_limit(memcg, val);
@@ -121,7 +123,7 @@ static int tcp_cgroup_write(struct cgroup_subsys_state *css, struct cftype *cft,
ret = -EINVAL;
break;
}
- return ret;
+ return ret ?: nbytes;
}
static u64 tcp_read_stat(struct mem_cgroup *memcg, int type, u64 default_val)
@@ -193,7 +195,7 @@ static int tcp_cgroup_reset(struct cgroup_subsys_state *css, unsigned int event)
static struct cftype tcp_files[] = {
{
.name = "kmem.tcp.limit_in_bytes",
- .write_string = tcp_cgroup_write,
+ .write = tcp_cgroup_write,
.read_u64 = tcp_cgroup_read,
.private = RES_LIMIT,
},