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SubjectRe: [PATCH] f2fs: modify task name prefix
On 07/18, Guowei Du wrote:
> From: duguowei <duguowei@xiaomi.com>
>
> If there are more than one f2fs sbi, there will be more
> discard threads. But the comm is too long to show dev
> minor. So, change the default prefix of thread from
> "f2fs_discard" to "f2fs_dcd".

That looks quite unreadable. What about unmap?

>
> Before:
> $ ps -e | grep f2fs
> 1628 ? 00:00:00 f2fs_ckpt-7:10
> 1629 ? 00:00:00 f2fs_flush-7:10
> 1630 ? 00:00:00 f2fs_discard-7:
> 1631 ? 00:00:00 f2fs_gc-7:10
> 2030 ? 00:00:00 f2fs_ckpt-7:27
> 2031 ? 00:00:00 f2fs_flush-7:27
> 2032 ? 00:00:00 f2fs_discard-7:
> 2033 ? 00:00:00 f2fs_gc-7:27
>
> After:
> $ ps -e | grep f2fs
> 1628 ? 00:00:00 f2fs_ckpt-7:10
> 1629 ? 00:00:00 f2fs_flush-7:10
> 1630 ? 00:00:00 f2fs_dcd-7:10
> 1631 ? 00:00:00 f2fs_gc-7:10
> 2030 ? 00:00:00 f2fs_ckpt-7:27
> 2031 ? 00:00:00 f2fs_flush-7:27
> 2032 ? 00:00:00 f2fs_dcd-7:27
> 2033 ? 00:00:00 f2fs_gc-7:27
>
> Signed-off-by: duguowei <duguowei@xiaomi.com>
> ---
> fs/f2fs/segment.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
> index 874c1b9c41a2..2eeefcbe62db 100644
> --- a/fs/f2fs/segment.c
> +++ b/fs/f2fs/segment.c
> @@ -2018,7 +2018,7 @@ int f2fs_start_discard_thread(struct f2fs_sb_info *sbi)
> return 0;
>
> dcc->f2fs_issue_discard = kthread_run(issue_discard_thread, sbi,
> - "f2fs_discard-%u:%u", MAJOR(dev), MINOR(dev));
> + "f2fs_dcd-%u:%u", MAJOR(dev), MINOR(dev));
> if (IS_ERR(dcc->f2fs_issue_discard))
> err = PTR_ERR(dcc->f2fs_issue_discard);
>
> --
> 2.36.1

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