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authorAlexey Dobriyan <adobriyan@gmail.com>2014-08-08 14:21:50 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-08 15:57:23 -0700
commit19aadc98d6a242e84c4a9e7cfac3d5140b885348 (patch)
tree6846675d06f856e8fb77fd6147c65ec25fbbff55 /fs/proc
parent6ba51e3751a3543f353a06cd8a6c975bda707c45 (diff)
proc: convert /proc/$PID/io to seq_file interface
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc')
-rw-r--r--fs/proc/base.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index d0bf0001dfac..089373e12d7c 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2398,7 +2398,7 @@ static const struct file_operations proc_coredump_filter_operations = {
#endif
#ifdef CONFIG_TASK_IO_ACCOUNTING
-static int do_io_accounting(struct task_struct *task, char *buffer, int whole)
+static int do_io_accounting(struct task_struct *task, struct seq_file *m, int whole)
{
struct task_io_accounting acct = task->ioac;
unsigned long flags;
@@ -2422,7 +2422,7 @@ static int do_io_accounting(struct task_struct *task, char *buffer, int whole)
unlock_task_sighand(task, &flags);
}
- result = sprintf(buffer,
+ result = seq_printf(m,
"rchar: %llu\n"
"wchar: %llu\n"
"syscr: %llu\n"
@@ -2442,14 +2442,16 @@ out_unlock:
return result;
}
-static int proc_tid_io_accounting(struct task_struct *task, char *buffer)
+static int proc_tid_io_accounting(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task)
{
- return do_io_accounting(task, buffer, 0);
+ return do_io_accounting(task, m, 0);
}
-static int proc_tgid_io_accounting(struct task_struct *task, char *buffer)
+static int proc_tgid_io_accounting(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task)
{
- return do_io_accounting(task, buffer, 1);
+ return do_io_accounting(task, m, 1);
}
#endif /* CONFIG_TASK_IO_ACCOUNTING */
@@ -2631,7 +2633,7 @@ static const struct pid_entry tgid_base_stuff[] = {
REG("coredump_filter", S_IRUGO|S_IWUSR, proc_coredump_filter_operations),
#endif
#ifdef CONFIG_TASK_IO_ACCOUNTING
- INF("io", S_IRUSR, proc_tgid_io_accounting),
+ ONE("io", S_IRUSR, proc_tgid_io_accounting),
#endif
#ifdef CONFIG_HARDWALL
INF("hardwall", S_IRUGO, proc_pid_hardwall),
@@ -2966,7 +2968,7 @@ static const struct pid_entry tid_base_stuff[] = {
REG("make-it-fail", S_IRUGO|S_IWUSR, proc_fault_inject_operations),
#endif
#ifdef CONFIG_TASK_IO_ACCOUNTING
- INF("io", S_IRUSR, proc_tid_io_accounting),
+ ONE("io", S_IRUSR, proc_tid_io_accounting),
#endif
#ifdef CONFIG_HARDWALL
INF("hardwall", S_IRUGO, proc_pid_hardwall),