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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2014-08-08 14:21:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-08 15:57:23 -0700 |
| commit | 19aadc98d6a242e84c4a9e7cfac3d5140b885348 (patch) | |
| tree | 6846675d06f856e8fb77fd6147c65ec25fbbff55 | |
| parent | 6ba51e3751a3543f353a06cd8a6c975bda707c45 (diff) | |
| download | op-kernel-dev-19aadc98d6a242e84c4a9e7cfac3d5140b885348.zip op-kernel-dev-19aadc98d6a242e84c4a9e7cfac3d5140b885348.tar.gz | |
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>
| -rw-r--r-- | fs/proc/base.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index d0bf000..089373e 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), |
