There's a (maybe overly simple) avoidance algorithm for this.
It attempts to ensure that it doesn't end up filling up cgs with
directories and no files.
There are also two tunables
int32_t fs_avgfilesize; /* expected average file size */
int32_t fs_avgfpdir; /* expe
We discussed this a while back; it has some interesting (and in some
cases) undesirable side-effects. FFS tries to balance directories across
CGs in order to balance the use of CGs for file allocation. The approach
being advocated here will tend to use CGs one at a time, resulting in
poor d
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