On Tuesday 21 January 2020 22:14:47 Al Viro wrote: > On Tue, Jan 21, 2020 at 09:36:25PM +0000, Al Viro wrote: > > On Tue, Jan 21, 2020 at 09:34:05PM +0100, Pali Rohár wrote: > > > > > This is a great idea to get FAT equivalence classes. Thank you! > > > > > > Now I quickly tried it... and it failed. FAT has restriction for number > > > of files in a directory, so I would have to do it in more clever way, > > > e.g prepare N directories and then try to create/open file for each > > > single-point string in every directory until it success or fail in every > > > one. > > > > IIRC, the limitation in root directory was much harder than in > > subdirectories... Not sure, though - it had been a long time since > > I had to touch *FAT for any reasons... IIRC limit for root directory entry was only in FAT12 and FAT16. But I already used subdirectories. Also VFAT name occupies at least two entries (shortname + VFAT). > Interesting... FWIW, Linux vfat happily creates 65536 files in root > directory. What are the native limits? Interesting... When I tried to create a new file by Linux vfat in that directory where Windows created 32794 files, Linux vfat returned error "No space left on device" even FS has only 39% used space. Into upper directory linux vfat can put new file without any problem. -- Pali Rohár pali.rohar@xxxxxxxxx
Attachment:
signature.asc
Description: PGP signature
