jffs2 corrupt rarely, how to fix it?

[tong changda]

hello
     I am new to jffs2, Now we apply it on linux phone with Intel Xscale 
and arm-linux 2.4.20, Very rarely , We can't access one or more file on 
jffs2, ls the file shows:
Eep. Child "pointcal" (ino #766) of dir ino #6 doesn't exist
a few days , I even found jffs2 can't mount, how could I repair it without 
resorting to eraseall?
     BTW jffs2 keeps sms and phonenumber, so we can't allow this filesystem 
corrupt.
     Thanks

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