diff options
| -rw-r--r-- | kernel/cgroup/debug.c | 46 |
1 files changed, 21 insertions, 25 deletions
diff --git a/kernel/cgroup/debug.c b/kernel/cgroup/debug.c index d61e692a5338..163fdbd7adf6 100644 --- a/kernel/cgroup/debug.c +++ b/kernel/cgroup/debug.c @@ -200,36 +200,32 @@ static int cgroup_subsys_states_read(struct seq_file *seq, void *v) return 0; } -static int cgroup_masks_read(struct seq_file *seq, void *v) +static void cgroup_masks_read_one(struct seq_file *seq, const char *name, + u16 mask) { - struct cgroup *cgrp = seq_css(seq)->cgroup; struct cgroup_subsys *ss; - int i, j; - struct { - u16 *mask; - char *name; - } mask_list[] = { - { &cgrp->subtree_control, "subtree_control" }, - { &cgrp->subtree_ss_mask, "subtree_ss_mask" }, - }; + int ssid; + bool first = true; - mutex_lock(&cgroup_mutex); - for (i = 0; i < ARRAY_SIZE(mask_list); i++) { - u16 mask = *mask_list[i].mask; - bool first = true; - - seq_printf(seq, "%-17s: ", mask_list[i].name); - for_each_subsys(ss, j) { - if (!(mask & (1 << ss->id))) - continue; - if (!first) - seq_puts(seq, ", "); - seq_puts(seq, ss->name); - first = false; - } - seq_putc(seq, '\n'); + seq_printf(seq, "%-17s: ", name); + for_each_subsys(ss, ssid) { + if (!(mask & (1 << ssid))) + continue; + if (!first) + seq_puts(seq, ", "); + seq_puts(seq, ss->name); + first = false; } + seq_putc(seq, '\n'); +} +static int cgroup_masks_read(struct seq_file *seq, void *v) +{ + struct cgroup *cgrp = seq_css(seq)->cgroup; + + mutex_lock(&cgroup_mutex); + cgroup_masks_read_one(seq, "subtree_control", cgrp->subtree_control); + cgroup_masks_read_one(seq, "subtree_ss_mask", cgrp->subtree_ss_mask); mutex_unlock(&cgroup_mutex); return 0; } |