diff options
| -rw-r--r-- | fs/proc/array.c | 24 | ||||
| -rw-r--r-- | fs/proc/base.c | 4 | ||||
| -rw-r--r-- | fs/proc/internal.h | 9 |
3 files changed, 20 insertions, 17 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c index 6ba2746..7e9f3b6 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -77,6 +77,7 @@ #include <linux/cpuset.h> #include <linux/rcupdate.h> #include <linux/delayacct.h> +#include <linux/seq_file.h> #include <linux/pid_namespace.h> #include <asm/pgtable.h> @@ -390,14 +391,14 @@ static cputime_t task_gtime(struct task_struct *p) return p->gtime; } -static int do_task_stat(struct task_struct *task, char *buffer, int whole) +static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, + struct pid *pid, struct task_struct *task, int whole) { unsigned long vsize, eip, esp, wchan = ~0UL; long priority, nice; int tty_pgrp = -1, tty_nr = 0; sigset_t sigign, sigcatch; char state; - int res; pid_t ppid = 0, pgid = -1, sid = -1; int num_threads = 0; struct mm_struct *mm; @@ -409,9 +410,6 @@ static int do_task_stat(struct task_struct *task, char *buffer, int whole) unsigned long rsslim = 0; char tcomm[sizeof(task->comm)]; unsigned long flags; - struct pid_namespace *ns; - - ns = current->nsproxy->pid_ns; state = *get_task_state(task); vsize = eip = esp = 0; @@ -498,10 +496,10 @@ static int do_task_stat(struct task_struct *task, char *buffer, int whole) /* convert nsec -> ticks */ start_time = nsec_to_clock_t(start_time); - res = sprintf(buffer, "%d (%s) %c %d %d %d %d %d %u %lu \ + seq_printf(m, "%d (%s) %c %d %d %d %d %d %u %lu \ %lu %lu %lu %lu %lu %ld %ld %ld %ld %d 0 %llu %lu %ld %lu %lu %lu %lu %lu \ %lu %lu %lu %lu %lu %lu %lu %lu %d %d %u %u %llu %lu %ld\n", - task_pid_nr_ns(task, ns), + pid_nr_ns(pid, ns), tcomm, state, ppid, @@ -550,17 +548,19 @@ static int do_task_stat(struct task_struct *task, char *buffer, int whole) cputime_to_clock_t(cgtime)); if (mm) mmput(mm); - return res; + return 0; } -int proc_tid_stat(struct task_struct *task, char *buffer) +int proc_tid_stat(struct seq_file *m, struct pid_namespace *ns, + struct pid *pid, struct task_struct *task) { - return do_task_stat(task, buffer, 0); + return do_task_stat(m, ns, pid, task, 0); } -int proc_tgid_stat(struct task_struct *task, char *buffer) +int proc_tgid_stat(struct seq_file *m, struct pid_namespace *ns, + struct pid *pid, struct task_struct *task) { - return do_task_stat(task, buffer, 1); + return do_task_stat(m, ns, pid, task, 1); } int proc_pid_statm(struct task_struct *task, char *buffer) diff --git a/fs/proc/base.c b/fs/proc/base.c index f4b1e14..f77818e 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -2280,7 +2280,7 @@ static const struct pid_entry tgid_base_stuff[] = { REG("sched", S_IRUGO|S_IWUSR, pid_sched), #endif INF("cmdline", S_IRUGO, pid_cmdline), - INF("stat", S_IRUGO, tgid_stat), + ONE("stat", S_IRUGO, tgid_stat), INF("statm", S_IRUGO, pid_statm), REG("maps", S_IRUGO, maps), #ifdef CONFIG_NUMA @@ -2611,7 +2611,7 @@ static const struct pid_entry tid_base_stuff[] = { REG("sched", S_IRUGO|S_IWUSR, pid_sched), #endif INF("cmdline", S_IRUGO, pid_cmdline), - INF("stat", S_IRUGO, tid_stat), + ONE("stat", S_IRUGO, tid_stat), INF("statm", S_IRUGO, pid_statm), REG("maps", S_IRUGO, maps), #ifdef CONFIG_NUMA diff --git a/fs/proc/internal.h b/fs/proc/internal.h index 7d57e80..f1cc6f1 100644 --- a/fs/proc/internal.h +++ b/fs/proc/internal.h @@ -46,10 +46,13 @@ extern int nommu_vma_show(struct seq_file *, struct vm_area_struct *); extern int maps_protect; -extern void create_seq_entry(char *name, mode_t mode, const struct file_operations *f); +extern void create_seq_entry(char *name, mode_t mode, + const struct file_operations *f); extern int proc_exe_link(struct inode *, struct dentry **, struct vfsmount **); -extern int proc_tid_stat(struct task_struct *, char *); -extern int proc_tgid_stat(struct task_struct *, char *); +extern int proc_tid_stat(struct seq_file *m, struct pid_namespace *ns, + struct pid *pid, struct task_struct *task); +extern int proc_tgid_stat(struct seq_file *m, struct pid_namespace *ns, + struct pid *pid, struct task_struct *task); extern int proc_pid_status(struct task_struct *, char *); extern int proc_pid_statm(struct task_struct *, char *); extern loff_t mem_lseek(struct file *file, loff_t offset, int orig); |
