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-rw-r--r--block/blk-throttle.c43
1 files changed, 20 insertions, 23 deletions
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 08a32dfd384..8331aba9426 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -1293,10 +1293,10 @@ static u64 tg_prfill_cpu_rwstat(struct seq_file *sf,
return __blkg_prfill_rwstat(sf, pd, &rwstat);
}
-static int tg_print_cpu_rwstat(struct cgroup *cgrp, struct cftype *cft,
- struct seq_file *sf)
+static int tg_print_cpu_rwstat(struct cgroup_subsys_state *css,
+ struct cftype *cft, struct seq_file *sf)
{
- struct blkcg *blkcg = cgroup_to_blkcg(cgrp);
+ struct blkcg *blkcg = css_to_blkcg(css);
blkcg_print_blkgs(sf, blkcg, tg_prfill_cpu_rwstat, &blkcg_policy_throtl,
cft->private, true);
@@ -1325,31 +1325,31 @@ static u64 tg_prfill_conf_uint(struct seq_file *sf, struct blkg_policy_data *pd,
return __blkg_prfill_u64(sf, pd, v);
}
-static int tg_print_conf_u64(struct cgroup *cgrp, struct cftype *cft,
- struct seq_file *sf)
+static int tg_print_conf_u64(struct cgroup_subsys_state *css,
+ struct cftype *cft, struct seq_file *sf)
{
- blkcg_print_blkgs(sf, cgroup_to_blkcg(cgrp), tg_prfill_conf_u64,
+ blkcg_print_blkgs(sf, css_to_blkcg(css), tg_prfill_conf_u64,
&blkcg_policy_throtl, cft->private, false);
return 0;
}
-static int tg_print_conf_uint(struct cgroup *cgrp, struct cftype *cft,
- struct seq_file *sf)
+static int tg_print_conf_uint(struct cgroup_subsys_state *css,
+ struct cftype *cft, struct seq_file *sf)
{
- blkcg_print_blkgs(sf, cgroup_to_blkcg(cgrp), tg_prfill_conf_uint,
+ blkcg_print_blkgs(sf, css_to_blkcg(css), tg_prfill_conf_uint,
&blkcg_policy_throtl, cft->private, false);
return 0;
}
-static int tg_set_conf(struct cgroup *cgrp, struct cftype *cft, const char *buf,
- bool is_u64)
+static int tg_set_conf(struct cgroup_subsys_state *css, struct cftype *cft,
+ const char *buf, bool is_u64)
{
- struct blkcg *blkcg = cgroup_to_blkcg(cgrp);
+ struct blkcg *blkcg = css_to_blkcg(css);
struct blkg_conf_ctx ctx;
struct throtl_grp *tg;
struct throtl_service_queue *sq;
struct blkcg_gq *blkg;
- struct cgroup *pos_cgrp;
+ struct cgroup_subsys_state *pos_css;
int ret;
ret = blkg_conf_prep(blkcg, &blkcg_policy_throtl, buf, &ctx);
@@ -1379,8 +1379,7 @@ static int tg_set_conf(struct cgroup *cgrp, struct cftype *cft, const char *buf,
* restrictions in the whole hierarchy and allows them to bypass
* blk-throttle.
*/
- tg_update_has_rules(tg);
- blkg_for_each_descendant_pre(blkg, pos_cgrp, ctx.blkg)
+ blkg_for_each_descendant_pre(blkg, pos_css, ctx.blkg)
tg_update_has_rules(blkg_to_tg(blkg));
/*
@@ -1403,16 +1402,16 @@ static int tg_set_conf(struct cgroup *cgrp, struct cftype *cft, const char *buf,
return 0;
}
-static int tg_set_conf_u64(struct cgroup *cgrp, struct cftype *cft,
+static int tg_set_conf_u64(struct cgroup_subsys_state *css, struct cftype *cft,
const char *buf)
{
- return tg_set_conf(cgrp, cft, buf, true);
+ return tg_set_conf(css, cft, buf, true);
}
-static int tg_set_conf_uint(struct cgroup *cgrp, struct cftype *cft,
+static int tg_set_conf_uint(struct cgroup_subsys_state *css, struct cftype *cft,
const char *buf)
{
- return tg_set_conf(cgrp, cft, buf, false);
+ return tg_set_conf(css, cft, buf, false);
}
static struct cftype throtl_files[] = {
@@ -1623,7 +1622,7 @@ void blk_throtl_drain(struct request_queue *q)
{
struct throtl_data *td = q->td;
struct blkcg_gq *blkg;
- struct cgroup *pos_cgrp;
+ struct cgroup_subsys_state *pos_css;
struct bio *bio;
int rw;
@@ -1636,11 +1635,9 @@ void blk_throtl_drain(struct request_queue *q)
* better to walk service_queue tree directly but blkg walk is
* easier.
*/
- blkg_for_each_descendant_post(blkg, pos_cgrp, td->queue->root_blkg)
+ blkg_for_each_descendant_post(blkg, pos_css, td->queue->root_blkg)
tg_drain_bios(&blkg_to_tg(blkg)->service_queue);
- tg_drain_bios(&td_root_tg(td)->service_queue);
-
/* finally, transfer bios from top-level tg's into the td */
tg_drain_bios(&td->service_queue);