On Dec 16 21:18, Christian Franke wrote: > Corinna Vinschen wrote: >> 160 drwxrwx---+ 1 corinna vinschen 163840 Dec 16 10:13 bin >> 0 drwxrwx---+ 1 corinna vinschen 0 Apr 15 2008 cygdrive >> 0 drwxrwx---+ 1 corinna vinschen 0 Apr 30 2008 dev >> 12 drwxrwx---+ 1 corinna vinschen 12288 Dec 15 11:15 etc >> 4 drwxr-xr-x+ 1 corinna vinschen 4096 Jul 4 10:41 home >> 40 drwxrwx---+ 1 corinna vinschen 40960 Dec 8 11:58 lib >> 0 dr-xr-xr-x 8 corinna vinschen 0 Dec 1 2006 proc >> 0 drwxrwx---+ 1 corinna vinschen 0 Apr 15 2008 sbin >> 4 drwxrwxrwt+ 1 corinna vinschen 4096 Dec 15 16:35 tmp >> 4 drwxrwx---+ 1 corinna vinschen 4096 Dec 8 11:54 usr >> 0 drwxr-xr-x+ 1 SYSTEM Administrators 0 May 21 2008 var >> >> The size of a directory which you just created is 0. But big >> directories (like /bin), or directories which once were big (like /tmp) >> have a size which is a multiple of 4K. This size is what's returned by >> the NT function NtQueryInformationFile. I assume that a directory is >> created with one block in a pre-allocated area in the MFT or so, which >> explains size 0. When the dir grows, then normal FS blocks are added, >> so the size grows beyond 0. But actualyy I have no idea, so it could be >> entirely different. :) > > On my XP SP2, st_size is always 0, even for large and fragmented > directories.
This is on 2K8. You're right, on XP all dirs are 0. Seems like this is a new thing. >> Interesting question. NTFS and FAT filesystems are name-sorted by >> default. AFAIK directory changes on FAT are done in-memory, resorted, >> and then written back as a whole block to disk. > > XP does not sort a FAT directory. > > Does this probably depend on Windows version? No, it's just not right what I wrote. I don't know anymore where I got that impression from that FAT gets always sorted. Oh well. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
