> > beyond 4 GiB works ... for mount type ext2 ... > > vfat ... chokes down at 2 GiB - 1 ... > > "File size limit exceeded" or ... > > From: OGAWA Hirofumi <hirofumi()mail!parknet!co!jp> > Date: 2003-05-28 12:48:00 ... > support was added at 2.5.27. Thanks for that specific hint. Can anyone say which of the 2.5.27 changes allowed vfat to access more than 2 GiB per file? Maybe one of us can quickly name a few of the more significant source files involved? Seemingly they are not the files of: http://lxr.linux.no/source/fs/vfat/ (In my ignorance, I tried diff'ing the (Makefile namei.c vfatfs_syms.c), to 2.5.28 from 2.4.20, but in the changes I see nothing clearly relevant, except that we thank OGAWA Hirofumi for "Multibyte character and cleanup".) > Subject: Re: 2 GiB - 1 per file vfat max > From: Seth Arnold <sarnold () wirex ! com> > Date: 2003-05-28 0:33:43 > ... a fundamental limitation of the filesystem, > as designed and implemented by Microsoft ... FAT 16 LFN by design blows out at 2 GiB per disk, yes. I mean to be talking about GiB per file. I hear FAT 32 blows out at 4 GiB per file, presumably because of a 32 bit count of bytes per file somewhere on disk. Rumour tells me that various FAT implementations from Microsoft have misbehaved short of the limitations built into the struct of the metadata, but I see files of (4 GiB - 1) bytes created by Win XP SP1. The `ls` running on my 2.4.20-xfs accurately reports such file sizes: I just can't get at the data with code I write myself to speak thru vfat. > Microsoft ... trying to migrate users to ntfs Aye, read only in Linux, ouch. I see Microsoft flatly refuses to mkfs FAT 32 of more than about 32 GiB. Rumour tells me Microsoft has shipped bugs that trip above this barrier. Pat LaVarre p.lavarre@ieee.org --- end of message --- __________________________________ Do you Yahoo!? Yahoo! Calendar - Free online calendar with sync to Outlook(TM). http://calendar.yahoo.com -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
