Re: [PATCH] Speeding up FAT operations

Jukka Tapani Santala (e75644@UWasa.Fi)
Mon, 21 Sep 1998 21:57:56 +0300 (EET DST)


On Mon, 21 Sep 1998, Jukka Tapani Santala wrote:
> This problem solved my other problem, in fat_getdirx(), which is by no

Shows how much I think... this reference book solved my other problem ;)

> like 'if (ch&32!=ch) char=tab32[ch&31];' and do away with 32 element

Besides my logic being simply screwed (!(ch&32) is more like it;), trying
this out resulted in such a horrible performance I'm pretty much ready to
toss anything like this right out of the window. I was quite surprised,
truthfully. I also just noticed that the VFAT filenames not using that
code are often in mixed case, wondering just how important the
case-equalizing is.

-Donwulff

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/