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Buffer cache in JFFS




Hi,

Iam lookong into the concept of making the writes to the flash device (
using JFFS2) minimum
by using buffer cache.

my queries regarding this:

* JFFS2 doesnt  access data via the buffer cache :  Is it that to keep
the  data consistent
   even after a sudden power lossage or for some other reason.

* why buffer cache is not implemented in JFFS2, which would have
increased the life of the
    flash device.

* can i at all implement buffer cache for jffs2.

* What is the Maxinum file size supported in JFFS2?

thanks
ashok
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