diff options
Diffstat (limited to 'block/blk-throttle.c')
| -rw-r--r-- | block/blk-throttle.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/block/blk-throttle.c b/block/blk-throttle.c index 9353b468335..9273d0969eb 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -412,13 +412,13 @@ static void throtl_pd_init(struct blkcg_gq *blkg) int rw; /* - * If sane_hierarchy is enabled, we switch to properly hierarchical + * If on the default hierarchy, we switch to properly hierarchical * behavior where limits on a given throtl_grp are applied to the * whole subtree rather than just the group itself. e.g. If 16M * read_bps limit is set on the root group, the whole system can't * exceed 16M for the device. * - * If sane_hierarchy is not enabled, the broken flat hierarchy + * If not on the default hierarchy, the broken flat hierarchy * behavior is retained where all throtl_grps are treated as if * they're all separate root groups right below throtl_data. * Limits of a group don't interact with limits of other groups @@ -426,7 +426,7 @@ static void throtl_pd_init(struct blkcg_gq *blkg) */ parent_sq = &td->service_queue; - if (cgroup_sane_behavior(blkg->blkcg->css.cgroup) && blkg->parent) + if (cgroup_on_dfl(blkg->blkcg->css.cgroup) && blkg->parent) parent_sq = &blkg_to_tg(blkg->parent)->service_queue; throtl_service_queue_init(&tg->service_queue, parent_sq); @@ -1346,10 +1346,10 @@ static int tg_print_conf_uint(struct seq_file *sf, void *v) return 0; } -static int tg_set_conf(struct cgroup_subsys_state *css, struct cftype *cft, - const char *buf, bool is_u64) +static ssize_t tg_set_conf(struct kernfs_open_file *of, + char *buf, size_t nbytes, loff_t off, bool is_u64) { - struct blkcg *blkcg = css_to_blkcg(css); + struct blkcg *blkcg = css_to_blkcg(of_css(of)); struct blkg_conf_ctx ctx; struct throtl_grp *tg; struct throtl_service_queue *sq; @@ -1368,9 +1368,9 @@ static int tg_set_conf(struct cgroup_subsys_state *css, struct cftype *cft, ctx.v = -1; if (is_u64) - *(u64 *)((void *)tg + cft->private) = ctx.v; + *(u64 *)((void *)tg + of_cft(of)->private) = ctx.v; else - *(unsigned int *)((void *)tg + cft->private) = ctx.v; + *(unsigned int *)((void *)tg + of_cft(of)->private) = ctx.v; throtl_log(&tg->service_queue, "limit change rbps=%llu wbps=%llu riops=%u wiops=%u", @@ -1404,19 +1404,19 @@ static int tg_set_conf(struct cgroup_subsys_state *css, struct cftype *cft, } blkg_conf_finish(&ctx); - return 0; + return nbytes; } -static int tg_set_conf_u64(struct cgroup_subsys_state *css, struct cftype *cft, - char *buf) +static ssize_t tg_set_conf_u64(struct kernfs_open_file *of, + char *buf, size_t nbytes, loff_t off) { - return tg_set_conf(css, cft, buf, true); + return tg_set_conf(of, buf, nbytes, off, true); } -static int tg_set_conf_uint(struct cgroup_subsys_state *css, struct cftype *cft, - char *buf) +static ssize_t tg_set_conf_uint(struct kernfs_open_file *of, + char *buf, size_t nbytes, loff_t off) { - return tg_set_conf(css, cft, buf, false); + return tg_set_conf(of, buf, nbytes, off, false); } static struct cftype throtl_files[] = { @@ -1424,25 +1424,25 @@ static struct cftype throtl_files[] = { .name = "throttle.read_bps_device", .private = offsetof(struct throtl_grp, bps[READ]), .seq_show = tg_print_conf_u64, - .write_string = tg_set_conf_u64, + .write = tg_set_conf_u64, }, { .name = "throttle.write_bps_device", .private = offsetof(struct throtl_grp, bps[WRITE]), .seq_show = tg_print_conf_u64, - .write_string = tg_set_conf_u64, + .write = tg_set_conf_u64, }, { .name = "throttle.read_iops_device", .private = offsetof(struct throtl_grp, iops[READ]), .seq_show = tg_print_conf_uint, - .write_string = tg_set_conf_uint, + .write = tg_set_conf_uint, }, { .name = "throttle.write_iops_device", .private = offsetof(struct throtl_grp, iops[WRITE]), .seq_show = tg_print_conf_uint, - .write_string = tg_set_conf_uint, + .write = tg_set_conf_uint, }, { .name = "throttle.io_service_bytes", |