> Uhm, in 2.6.13, i get:
> grundler <496>find -name \*.c | xargs fgrep ".owner =" | wc
> 569 2429 32166
> I am getting some false positives in that count though.
Yes, many many false positives. By far the majority of your hits are
against other structures like struct file_operations that have an
owner member.
> I expect the key uses are for sysfs:
> ./fs/sysfs/bin.c: if (!try_module_get(attr->attr.owner))
> ./fs/sysfs/bin.c: module_put(attr->attr.owner);
> ./fs/sysfs/bin.c: module_put(attr->attr.owner);
This owner field is in struct attribute and gets set elsewhere.
I asked on lkml and got the answer in http://lkml.org/lkml/2005/10/18/169
which is that it's not really used for ref counting yet, but it does
put a symlink in sysfs that may be useful.
- R.
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