/*===========================================================================*
* bufs_heuristic *
*===========================================================================*/
static int bufs_heuristic(struct super_block *sp)
{
u32_t btotal, bfree;
btotal = sp->s_blocks_count;
bfree = sp->s_free_blocks_count;
return fs_bufs_heuristic(MINBUFS, btotal, bfree,
sp->s_block_size, major(sp->s_dev));
}
static void cache_heuristic_check(void)
{
int bufs, d;
bufs = fs_bufs_heuristic(MINBUFS, fs_btotal, fs_bused, fs_block_size);
/* set the cache to the new heuristic size if the new one
* is more than 10% off from the current one.
*/
d = bufs-nr_bufs;
if(d < 0) d = -d;
if(d*100/nr_bufs > 10) {
cache_resize(fs_block_size, bufs);
}
}
static void cache_heuristic_check(int major)
{
int bufs, d;
u64_t btotal, bfree, bused;
fs_blockstats(&btotal, &bfree, &bused);
bufs = fs_bufs_heuristic(10, btotal, bfree,
fs_block_size, major);
/* set the cache to the new heuristic size if the new one
* is more than 10% off from the current one.
*/
d = bufs-nr_bufs;
if(d < 0) d = -d;
if(d*100/nr_bufs > 10) {
cache_resize(fs_block_size, bufs);
}
}
