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netprio_cgroup: convert away from cftype->read_map()

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In preparation of conversion to kernfs, cgroup file handling is being
consolidated so that it can be easily mapped to the seq_file based
interface of kernfs.

cftype->read_map() doesn't add any value and being replaced with
->read_seq_string().  Update read_priomap() to use ->read_seq_string()
instead.

This patch doesn't make any visible behavior changes.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Daniel Wagner <daniel.wagner@bmw-carit.de>
Acked-by: Li Zefan <lizefan@huawei.com>
This commit is contained in:
Tejun Heo 2013-12-05 12:28:02 -05:00
parent 791badbdb3
commit e92e113cab
1 changed files with 3 additions and 3 deletions
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6
net/core/netprio_cgroup.c
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@ -174,13 +174,13 @@ static u64 read_prioidx(struct cgroup_subsys_state *css, struct cftype *cft)
}
static int read_priomap(struct cgroup_subsys_state *css, struct cftype *cft,
struct cgroup_map_cb *cb)
struct seq_file *sf)
{
struct net_device *dev;
rcu_read_lock();
for_each_netdev_rcu(&init_net, dev)
cb->fill(cb, dev->name, netprio_prio(css, dev));
seq_printf(sf, "%s %u\n", dev->name, netprio_prio(css, dev));
rcu_read_unlock();
return 0;
}
@ -238,7 +238,7 @@ static struct cftype ss_files[] = {
},
{
.name = "ifpriomap",
.read_map = read_priomap,
.read_seq_string = read_priomap,
.write_string = write_priomap,
},
{ } /* terminate */