Re: [PATCH] f2fs: convert to use sysfs_emit

From: Jaegeuk Kim
Date: Wed Apr 05 2023 - 11:57:30 EST


On 04/05, Chao Yu wrote:
> On 2023/3/31 19:33, Yangtao Li wrote:
> > Let's use sysfs_emit.
> >
> > Signed-off-by: Yangtao Li <frank.li@xxxxxxxx>
> > ---
> > fs/f2fs/sysfs.c | 10 ++--------
> > 1 file changed, 2 insertions(+), 8 deletions(-)
> >
> > diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
> > index 9ddc6ee19433..2c0b2cb05a3a 100644
> > --- a/fs/f2fs/sysfs.c
> > +++ b/fs/f2fs/sysfs.c
> > @@ -312,19 +312,13 @@ static ssize_t f2fs_sbi_show(struct f2fs_attr *a,
> > if (!strcmp(a->attr.name, "ckpt_thread_ioprio")) {
> > struct ckpt_req_control *cprc = &sbi->cprc_info;
> > - int len = 0;
> > int class = IOPRIO_PRIO_CLASS(cprc->ckpt_thread_ioprio);
> > int data = IOPRIO_PRIO_DATA(cprc->ckpt_thread_ioprio);
> > - if (class == IOPRIO_CLASS_RT)
> > - len += scnprintf(buf + len, PAGE_SIZE - len, "rt,");
> > - else if (class == IOPRIO_CLASS_BE)
> > - len += scnprintf(buf + len, PAGE_SIZE - len, "be,");
> > - else
> > + if (class != IOPRIO_CLASS_RT && class != IOPRIO_CLASS_BE)
> > return -EINVAL;
> > - len += scnprintf(buf + len, PAGE_SIZE - len, "%d\n", data);
> > - return len;
> > + return sysfs_emit(buf, "%s,%d\n", class == IOPRIO_CLASS_RT ? "rt" : "be", data);
>
> Exceed 80 columns.

Fixed and applied.

>
> Thanks,
>
> > }
> > #ifdef CONFIG_F2FS_FS_COMPRESSION