ronnie sahlberg <ronniesahlberg@xxxxxxxxx> wrote: > > The problem is that it essentially renders SEEK_DATA/SEEK_HOLE unusable for > > applications on cifs. If there's more than one extent above the starting > > position, they'll fail with EIO. The only way to do it is to provide for a > > sufficiently large buffer to accommodate however many extents that there are > > (and there could be millions, in theory) in order to get just the first one. > > Wait, I didn't read all the text in the initial posts correctly. > Do you mean if you ask for "max x bytes of response, enough for n > entries" then if there > are > n entries on the server you get nothing back? > > I am pretty sure Windows will return as many entries as fits in the > reponse out-data-size > nad some error code. > But you are saying that instead of returning a truncated out-blob that > samba will return nothing? It returns a STATUS_BUFFER_TOO_SMALL error if there's more than one extent record to return. David
