[Info-vax] Re; Spiralog, RMS Journaling (was Re: FREESPADRIFT)

[VAXman- at SendSpamHere.ORG]

In article <nkbn1q$5cn$2 at Iltempo.Update.UU.SE>, Johnny Billquist <bqt at softjar.se> writes:
>On 2016-06-19 04:35, David Froble wrote:
>> Jan-Erik Soderholm wrote:
>
>>> Yes, but that is a simple calculation with 1 block = 512 bytes.
>>> It does not correctly display partially filled blocks. I guess
>>> that what most here are talking about is the size up to the
>>> marker. Convering the used/allocated number of blocks is simple.
>>>
>>> Jan-Erik.
>>
>> I would suggest "what does it matter?"
>>
>> It's not like some other file is going to use the unused portion of some
>> disk block, or, as suggested, unused part of 4096 bytes ....
>
>No. But if you implement FTP, or a web server, or any number of other 
>tools/programs, they are expected to report file sizes in bytes, and the 
>byte count should be *accurate*. Even one byte off is not acceptable.

Why?



>And that becomes costly if your system do not keep that information, and 
>you have to calculate it yourself.

$ SEARCH file.txt ""/NOOUTPUT/STATISTICS

Files searched:                 1       Buffered I/O count:         5
Records searched:             255       Direct I/O count:           1
Characters searched:        11333 --.   Page faults:               20
Records matched:              255   |   Elapsed CPU time:  0 00:00:00.00
Lines printed:                  0   |   Elapsed time:      0 00:00:00.00
                                    `---------------.
$ DUMP/HEADER/BLOCKS=COUNT=0 file.txt               |
  :                                                 |
  :                                                 |
        Highest block:                    32        |
        End of file block:                24        |
        End of file byte:                 220       |
  :                                                 |
  :                                                 |
    File length hints                               |
        Record count:                     255       |     
        Data byte count:                  11333 <---'
  :
  :

(24-1)+220 => 11996

Which is right?  11333?  11996?  Neither?

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