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f2fs: Use sysfs_emit_at() to simplify code

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This file already uses sysfs_emit(). So be consistent and also use
sysfs_emit_at().

This slightly simplifies the code and makes it more readable.

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Christophe JAILLET 2024-08-15 08:47:28 +08:00 committed by Jaegeuk Kim
parent b2c160f4f3
commit f7a678bbe5
1 changed files with 21 additions and 24 deletions
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45
fs/f2fs/sysfs.c
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@ -188,50 +188,50 @@ static ssize_t features_show(struct f2fs_attr *a,
int len = 0;
if (f2fs_sb_has_encrypt(sbi))
len += scnprintf(buf, PAGE_SIZE - len, "%s",
len += sysfs_emit_at(buf, len, "%s",
"encryption");
if (f2fs_sb_has_blkzoned(sbi))
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len += sysfs_emit_at(buf, len, "%s%s",
len ? ", " : "", "blkzoned");
if (f2fs_sb_has_extra_attr(sbi))
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len += sysfs_emit_at(buf, len, "%s%s",
len ? ", " : "", "extra_attr");
if (f2fs_sb_has_project_quota(sbi))
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len += sysfs_emit_at(buf, len, "%s%s",
len ? ", " : "", "projquota");
if (f2fs_sb_has_inode_chksum(sbi))
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len += sysfs_emit_at(buf, len, "%s%s",
len ? ", " : "", "inode_checksum");
if (f2fs_sb_has_flexible_inline_xattr(sbi))
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len += sysfs_emit_at(buf, len, "%s%s",
len ? ", " : "", "flexible_inline_xattr");
if (f2fs_sb_has_quota_ino(sbi))
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len += sysfs_emit_at(buf, len, "%s%s",
len ? ", " : "", "quota_ino");
if (f2fs_sb_has_inode_crtime(sbi))
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len += sysfs_emit_at(buf, len, "%s%s",
len ? ", " : "", "inode_crtime");
if (f2fs_sb_has_lost_found(sbi))
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len += sysfs_emit_at(buf, len, "%s%s",
len ? ", " : "", "lost_found");
if (f2fs_sb_has_verity(sbi))
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len += sysfs_emit_at(buf, len, "%s%s",
len ? ", " : "", "verity");
if (f2fs_sb_has_sb_chksum(sbi))
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len += sysfs_emit_at(buf, len, "%s%s",
len ? ", " : "", "sb_checksum");
if (f2fs_sb_has_casefold(sbi))
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len += sysfs_emit_at(buf, len, "%s%s",
len ? ", " : "", "casefold");
if (f2fs_sb_has_readonly(sbi))
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len += sysfs_emit_at(buf, len, "%s%s",
len ? ", " : "", "readonly");
if (f2fs_sb_has_compression(sbi))
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len += sysfs_emit_at(buf, len, "%s%s",
len ? ", " : "", "compression");
len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s",
len += sysfs_emit_at(buf, len, "%s%s",
len ? ", " : "", "pin_file");
len += scnprintf(buf + len, PAGE_SIZE - len, "\n");
len += sysfs_emit_at(buf, len, "\n");
return len;
}
@ -329,17 +329,14 @@ static ssize_t f2fs_sbi_show(struct f2fs_attr *a,
int hot_count = sbi->raw_super->hot_ext_count;
int len = 0, i;
len += scnprintf(buf + len, PAGE_SIZE - len,
"cold file extension:\n");
len += sysfs_emit_at(buf, len, "cold file extension:\n");
for (i = 0; i < cold_count; i++)
len += scnprintf(buf + len, PAGE_SIZE - len, "%s\n",
extlist[i]);
len += sysfs_emit_at(buf, len, "%s\n", extlist[i]);
len += scnprintf(buf + len, PAGE_SIZE - len,
"hot file extension:\n");
len += sysfs_emit_at(buf, len, "hot file extension:\n");
for (i = cold_count; i < cold_count + hot_count; i++)
len += scnprintf(buf + len, PAGE_SIZE - len, "%s\n",
extlist[i]);
len += sysfs_emit_at(buf, len, "%s\n", extlist[i]);
return len;
}