int cpu;
if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) {
- bio_endio(bio, -EOPNOTSUPP);
+ md_barrier_request(mddev, bio);
return 0;
}
multipath_conf_t *conf = mddev->private;
int i, ret = 0;
+ if (mddev_congested(mddev, bits))
+ return 1;
+
rcu_read_lock();
for (i = 0; i < mddev->raid_disks ; i++) {
mdk_rdev_t *rdev = rcu_dereference(conf->multipaths[i].rdev);
}
mddev->degraded = conf->raid_disks - conf->working_disks;
- conf->pool = mempool_create_kzalloc_pool(NR_RESERVED_BUFS,
+ conf->pool = mempool_create_kmalloc_pool(NR_RESERVED_BUFS,
sizeof(struct multipath_bh));
if (conf->pool == NULL) {
printk(KERN_ERR
}
{
- mddev->thread = md_register_thread(multipathd, mddev, "%s_multipath");
+ mddev->thread = md_register_thread(multipathd, mddev, NULL);
if (!mddev->thread) {
printk(KERN_ERR "multipath: couldn't allocate thread"
" for %s\n", mdname(mddev));
module_init(multipath_init);
module_exit(multipath_exit);
MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("simple multi-path personality for MD");
MODULE_ALIAS("md-personality-7"); /* MULTIPATH */
MODULE_ALIAS("md-multipath");
MODULE_ALIAS("md-level--4");