From: Jaegeuk Kim > Sent: 04 June 2021 05:45 ... > > > @@ -161,6 +161,9 @@ static ssize_t features_show(struct f2fs_attr *a, > > > if (f2fs_sb_has_compression(sbi)) > > > len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s", > > > len ? ", " : "", "compression"); > > > + if (f2fs_sb_has_casefold(sbi) && f2fs_sb_has_encrypt(sbi)) > > > + len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s", > > > + len ? ", " : "", "encrypted_casefold"); > > > len += scnprintf(buf + len, PAGE_SIZE - len, "%s%s", > > > len ? ", " : "", "pin_file"); > > > len += scnprintf(buf + len, PAGE_SIZE - len, "\n"); Looking at that pattern, why don't you just append "tag, " each time and then replace the final ", " with "\n" at the end. Although if I wanted to quickly parse that in (say) a shell script I wouldn't really want the ",". OTOH it is too late to change that. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)
