Matthew Dillon wrote: > Hmm. Well, my code is definitely broken. My 'adj' calculation is > all wrong. However, my size calculation appears to be correct. > (size - adj) is the size of the block after the base has been adjusted > to the next full chunk. The number of chunks we then generate bits > for must be fully enclosed by size and (new_size & ~(DEV_BSIZE - 1)) > gives that to us. e.g. if new_size is less then DEV_BSIZE we get 0, > correctly indicating that we cannot clear any dirty bits at all.
I missed the size of the operand to the twiddle; mea culpa. I thought you were (effectively) getting a "mod" operation on a "div"'ed value, not the total value. Never mind. 8^). -- Terry To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
