NAND pages cache?
dedekind at oktetlabs.ru
Mon Nov 15 05:07:58 EST 2004
Thomas Gleixner wrote:
> The nand driver always reads whole pages due to ECC. But if the fs
> driver requests only a part of the page then the page is read into the
> cache buffer of the nand driver, ECC is checked and the part which was
> requested by the fs driver is copied into the fs buffer. If the next
> read requests another part of this page then we read out of the cache
> buffer instead of reading the FLASH again.
O, thank you for the hint!
Best regards, Artem B. Bityuckiy
Oktet Labs (St. Petersburg), Software Engineer.
+78124286709 (office) +79112449030 (mobile)
E-mail: dedekind at oktetlabs.ru, web: http://www.oktetlabs.ru
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