if (!grab_super_passive(sb))
return -1;
- if (sb->s_op && sb->s_op->nr_cached_objects)
+ if (sb->s_op->nr_cached_objects)
fs_objects = sb->s_op->nr_cached_objects(sb);
total_objects = sb->s_nr_dentry_unused +
int inodes;
/* proportion the scan between the caches */
- dentries = (sc->nr_to_scan * sb->s_nr_dentry_unused) /
- total_objects;
- inodes = (sc->nr_to_scan * sb->s_nr_inodes_unused) /
- total_objects;
+ dentries = mult_frac(sc->nr_to_scan, sb->s_nr_dentry_unused,
+ total_objects);
+ inodes = mult_frac(sc->nr_to_scan, sb->s_nr_inodes_unused,
+ total_objects);
if (fs_objects)
- fs_objects = (sc->nr_to_scan * fs_objects) /
- total_objects;
+ fs_objects = mult_frac(sc->nr_to_scan, fs_objects,
+ total_objects);
/*
* prune the dcache first as the icache is pinned by it, then
* prune the icache, followed by the filesystem specific caches
sb->s_nr_inodes_unused + fs_objects;
}
- total_objects = (total_objects / 100) * sysctl_vfs_cache_pressure;
+ total_objects = vfs_pressure_ratio(total_objects);
drop_super(sb);
return total_objects;
}