redonkable
/
remarkable-linux
1
0
Fork 0
Code Releases Activity

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>
wifi-calibration
Andre Noll 2009-06-16 16:46:48 +10:00 committed by NeilBrown
parent d27a43abd7
commit 09770e0b6e
2 changed files with 0 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/md/raid0.c
View File

@ -326,22 +326,14 @@ static int raid0_run (mddev_t *mddev)
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 @@ static int raid0_stop (mddev_t *mddev)
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 @@ static void raid0_status (struct seq_file *seq, mddev_t *mddev)
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(

1
drivers/md/raid0.h
View File

@ -12,7 +12,6 @@ struct strip_zone
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;