Bug in reply_write_and_X?

Conrad Minshall conrad at apple.com
Sat Dec 14 00:49:00 GMT 2002

>At 8:14 PM -0800 12/9/02, jra at dp.samba.org wrote:
>>On Mon, Dec 09, 2002 at 08:10:00PM -0800, Conrad Minshall wrote:
>>> A local filesystem has to return EFBIG to Samba (per POSIX "write" system
>>> call def'n) and in the Samba source I'm looking at EFBIG isn't used
>>> anywhere relevant to a WRITE_ANDX, in particular it isn't in the
>>> "unix_dos_nt_errmap" array.  That seems too simple though... what am I
>>> missing?
>>Nope, you're not missing anything. It really is just a missing mapping
>>for EFBIG error. That's not one we've ever seen returned before (I guess
>>no one else tested us this way :-). Of course, looking in my POSIX spec
>>and in the Linux man page, there it is :-).
>>Now, the question is, what should it map to ? NT_STATUS_DISK_FULL doesn't
>>seem right as the disk isn't full.
>>Hmmm. Any suggestions or should I look through the NT_STATUS error codes
>>and see what matches best. Of course the best way would be to send the
>>equivalent call to W2K and see what NT_STATUS code it returns....

At 4:31 AM -0800 12/11/02, Simo Sorce wrote:
>On Wed, 2002-12-11 at 03:24, Conrad Minshall wrote:
>> My client maps NT_STATUS_DISK_FULL to EFBIG, but really this should be done
>> by observing some Windows server.  With W2K/NTFS I had no success - using
>> SMB_SET_FILE_END_OF_FILE_INFO doesn't generate a sparse file so I fill up
>> the disk before hitting any filesize limit.  Maybe setting
>> FILE_ATTRIBUTE_SPARSE would do it.  Another approach... is there a
>> Windoze/filesystem combo with a filesize limit of 4G or less?  That would
>> make this easy.
>Try with a FAT filesystem, it should have a limit of 2 or 4 GB

I must go work other issues... and hope someone else follows up so EFBIG is
dealt with sensibly.

Conrad Minshall ... conrad at apple.com ... 408 974-2749
Alternative email addresses: rad at acm.org and conrad at mac.com.

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