On Mon, Jul 17, 2017 at 09:39:31AM -0400, Waiman Long wrote:
> @@ -63,9 +63,10 @@ struct qstr {
> struct dentry_stat_t {
> long nr_dentry;
> long nr_unused;
> - long age_limit; /* age in seconds */
> - long want_pages; /* pages requested by system */
> - long dummy[2];
> + long nr_negative; /* # of negative dentries */
> + long age_limit; /* age in seconds */
> + long want_pages; /* pages requested by system */
> + long dummy;
> };
> extern struct dentry_stat_t dentry_stat;
You can't just insert a field in the middle like that. It'll break any code
parsing /proc/sys/fs/dentry-state. You have to put it at the end:
long age_limit; /* age in seconds */
long want_pages; /* pages requested by system */
- long dummy[2];
+ long nr_negative; /* # of negative dentries */
+ long dummy;
};
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