Re: o_sync in vfat driver

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"linux-os \(Dick Johnson\)" <[email protected]> writes:

> Here is an instrumented erase function on a driver that rewrites
> the first sector of a BIOS ROM. Unlike the Flash DISKS, the
> BIOS ROM has no buffering in static RAM so you can gustimate
> the actual time to erase............

The NOR flash is different but Samsung manual for K9F5608U0A-YCB0,
K9F5608U0A-YIB0 32M x 8 Bit NAND Flash Memory says:

FEATURES GENERAL DESCRIPTION
- Page Program : (512 + 16)Byte
- Block Erase : (16K + 512)Byte
- Program time : 200us(Typ.)
- Block Erase Time : 2ms(Typ.)
- Endurance : 100K Program/Erase Cycles
- Data Retention : 10 Years
-- 
Krzysztof Halasa
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