Rockbox mail archive

• Next message: Itai: "Using JB while in USB mode?"
• Previous message: Linus Nielsen Feltzing: "Re: Balance and Fastforward/Rewind speeds"
• In reply to: Vladimir Pantelic: "Re: slow/delaying usb connection to archos/rockbox"
• Next in thread: Vladimir Pantelic: "Re: slow/delaying usb connection to archos/rockbox"
• Reply: Vladimir Pantelic: "Re: slow/delaying usb connection to archos/rockbox"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [ attachment ]

On Sat, 21 Sep 2002 16:29:11 +0200, Vladimir Pantelic wrote:
> Linux could be much quicker though if it would use the information
> in the FS_Info sector of FAT32 where the number of free clusters
> and the last cluster allocated are stored. So Linux has to read tha
> whole FAT to know how much free space there is on the drive.
> The kernel sources say that Linux does ignore this information, I
> have no idea why ?

For what I know, the FS_Info is not guaranteed to be correct. So
Linux doesn't bother, and always reads the while FAT. That approach
works on fast drives, but slow USB drives suffer from it.

/Linus

-- 
Linus Nielsen Feltzing, linus_at_haxx.se on 2002-09-21

• Next message: Itai: "Using JB while in USB mode?"
• Previous message: Linus Nielsen Feltzing: "Re: Balance and Fastforward/Rewind speeds"
• In reply to: Vladimir Pantelic: "Re: slow/delaying usb connection to archos/rockbox"
• Next in thread: Vladimir Pantelic: "Re: slow/delaying usb connection to archos/rockbox"
• Reply: Vladimir Pantelic: "Re: slow/delaying usb connection to archos/rockbox"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [ attachment ]