md: raid0: Remove hash table.
The raid0 hash table has become unused due to the changes in the
previous patch. This patch removes the hash table allocation and
setup code and kills the hash_table field of struct raid0_private_data.
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 1afdfd1..d4c9c5d 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -326,22 +326,14 @@
nb_zone = s + round;
}
printk(KERN_INFO "raid0 : nb_zone is %d.\n", nb_zone);
-
- printk(KERN_INFO "raid0 : Allocating %zu bytes for hash.\n",
- nb_zone*sizeof(struct strip_zone*));
- conf->hash_table = kmalloc (sizeof (struct strip_zone *)*nb_zone, GFP_KERNEL);
- if (!conf->hash_table)
- goto out_free_conf;
sectors = conf->strip_zone[cur].sectors;
- conf->hash_table[0] = conf->strip_zone + cur;
for (i=1; i< nb_zone; i++) {
while (sectors <= conf->spacing) {
cur++;
sectors += conf->strip_zone[cur].sectors;
}
sectors -= conf->spacing;
- conf->hash_table[i] = conf->strip_zone + cur;
}
if (conf->sector_shift) {
conf->spacing >>= conf->sector_shift;
@@ -384,8 +376,6 @@
raid0_conf_t *conf = mddev_to_conf(mddev);
blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/
- kfree(conf->hash_table);
- conf->hash_table = NULL;
kfree(conf->strip_zone);
conf->strip_zone = NULL;
kfree(conf);
@@ -494,8 +484,6 @@
h = 0;
for (j = 0; j < conf->nr_strip_zones; j++) {
seq_printf(seq, " z%d", j);
- if (conf->hash_table[h] == conf->strip_zone+j)
- seq_printf(seq, "(h%d)", h++);
seq_printf(seq, "=[");
for (k = 0; k < conf->strip_zone[j].nb_dev; k++)
seq_printf(seq, "%s/", bdevname(
diff --git a/drivers/md/raid0.h b/drivers/md/raid0.h
index 556666f..a14630a 100644
--- a/drivers/md/raid0.h
+++ b/drivers/md/raid0.h
@@ -12,7 +12,6 @@
struct raid0_private_data
{
- struct strip_zone **hash_table; /* Table of indexes into strip_zone */
struct strip_zone *strip_zone;
mdk_rdev_t **devlist; /* lists of rdevs, pointed to by strip_zone->dev */
int nr_strip_zones;
