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-rw-r--r--block/cfq-iosched.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 5873e4ada9eb..e0985f1955e7 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1701,13 +1701,13 @@ static int __cfqg_set_weight_device(struct cgroup_subsys_state *css,
}
static int cfqg_set_weight_device(struct cgroup_subsys_state *css,
- struct cftype *cft, const char *buf)
+ struct cftype *cft, char *buf)
{
return __cfqg_set_weight_device(css, cft, buf, false);
}
static int cfqg_set_leaf_weight_device(struct cgroup_subsys_state *css,
- struct cftype *cft, const char *buf)
+ struct cftype *cft, char *buf)
{
return __cfqg_set_weight_device(css, cft, buf, true);
}
@@ -1838,7 +1838,6 @@ static struct cftype cfq_blkcg_files[] = {
.flags = CFTYPE_ONLY_ON_ROOT,
.seq_show = cfqg_print_leaf_weight_device,
.write_string = cfqg_set_leaf_weight_device,
- .max_write_len = 256,
},
{
.name = "weight",
@@ -1853,7 +1852,6 @@ static struct cftype cfq_blkcg_files[] = {
.flags = CFTYPE_NOT_ON_ROOT,
.seq_show = cfqg_print_weight_device,
.write_string = cfqg_set_weight_device,
- .max_write_len = 256,
},
{
.name = "weight",
@@ -1866,7 +1864,6 @@ static struct cftype cfq_blkcg_files[] = {
.name = "leaf_weight_device",
.seq_show = cfqg_print_leaf_weight_device,
.write_string = cfqg_set_leaf_weight_device,
- .max_write_len = 256,
},
{
.name = "leaf_weight",