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    Subject[PATCH] f2fs: convert to use sysfs_emit
    Date
    Let's use sysfs_emit.

    Signed-off-by: Yangtao Li <frank.li@vivo.com>
    ---
    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);
    }

    #ifdef CONFIG_F2FS_FS_COMPRESSION
    --
    2.35.1
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