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f2fs: convert to use sysfs_emit

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Let's use sysfs_emit.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Yangtao Li 2023-03-31 19:33:05 +08:00 committed by Jaegeuk Kim
parent c2c14ca5b1
commit 084e15ea14
1 changed files with 3 additions and 8 deletions
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11
fs/f2fs/sysfs.c
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@ -312,19 +312,14 @@ 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