Re: [Freedos-devel] compressed FAT filesystems

2008-03-19 Thread Eric Auer
Hi Imre, > Which free/open compressed embedded filesystems would that be? Browsing wikipedia a bit gives me quite a few READONLY free and open source compressed filesystems, several of which are useful for embedded systems. For writeability, you would typically have to alloc new space in your fi

Re: [Freedos-devel] Fwd: freedos defrag methods (OT)

2008-03-19 Thread Eric Auer
Hi Imre, nice explanation, thanks :-). > Here are the numbers for the data structures used by defrag, > when calculated for FAT32. You mean for a worst case FAT32 filesystem with 2^28 (256M) clusters where the FAT on disk is also 1 GB per copy... > Cluster movable map: 32 MB (fat size * 1 bit)

Re: [Freedos-devel] Bulgarian keyboard driver for Blocek

2008-03-19 Thread Ladislav Lacina
I am sorry - my fault. Problem was caused by cause sensitive filenames on server. It is fixed now. Try it again, please. - Original Message - From: "Jim Hall" <[EMAIL PROTECTED]> To: Sent: Tuesday, March 18, 2008 9:44 PM Subject: Re: [Freedos-devel] Bulgarian keyboard driver for Blocek

Re: [Freedos-devel] Fwd: freedos defrag methods (OT)

2008-03-19 Thread Imre Leber
Take the following cluster chain: 2 -> 3 -> 4 -> EOF Then the FAT refered table contains: table[4] -> 3 table[3] -> 2 table[2] -> 0 Well on FAT32 the labels are normaly 28bit, but that shouldn't realy matter. The FAT refered map is used to directly know wether to consult the FAT refered tabl

Re: [Freedos-devel] Fwd: freedos defrag methods (OT)

2008-03-19 Thread Alain M.
Interesting... What information is tored in the "FAT refered table" it needs 32 bits? Alain Imre Leber escreveu: > Here are the numbers for the data structures used by defrag, when calculated > for FAT32. > > Cluster movable map: 32 MB (fat size * 1 bit) > FAT refered map: 32MB (fat size * 1 b

Re: [Freedos-devel] Fwd: freedos defrag methods (OT)

2008-03-19 Thread Imre Leber
Here are the numbers for the data structures used by defrag, when calculated for FAT32. Cluster movable map: 32 MB (fat size * 1 bit) FAT refered map: 32MB (fat size * 1 bit) FAT refered table: 1024MB (fat size * 4 byte) Dir refered table (take 10 files): (# files * 6 bytes) 0,5 MB total: 10

Re: [Freedos-devel] Fwd: freedos defrag methods (OT)

2008-03-19 Thread Imre Leber
>- Oorspronkelijk bericht - >Van: Eric Auer [mailto:[EMAIL PROTECTED] >Verzonden: dinsdag, maart 18, 2008 10:22 PM >Aan: freedos-devel@lists.sourceforge.net >Onderwerp: Re: [Freedos-devel] Fwd: freedos defrag methods (OT) > > >Hi! > >> For this it is very sad that FreeDOS does not use the

Re: [Freedos-devel] compressed FAT filesystems (was: defrag methods)

2008-03-19 Thread Imre Leber
>- Oorspronkelijk bericht - >Van: Aitor Santamar?a [mailto:[EMAIL PROTECTED] >Verzonden: woensdag, maart 19, 2008 01:45 AM >Aan: freedos-devel@lists.sourceforge.net >Onderwerp: Re: [Freedos-devel] compressed FAT filesystems (was: defrag methods) > >One more thing: the big deal about Double

Re: [Freedos-devel] compressed FAT filesystems (was: defrag methods)

2008-03-19 Thread Imre Leber
>- Oorspronkelijk bericht - >Van: Eric Auer [mailto:[EMAIL PROTECTED] >Verzonden: dinsdag, maart 18, 2008 10:38 PM >Aan: freedos-devel@lists.sourceforge.net >Onderwerp: [Freedos-devel] compressed FAT filesystems (was: defrag methods) > > >Hi! > >> Maybe with adding compression it could mak