static int raid0_congested(void *data, int bits)
{
- mddev_t *mddev = data;
- raid0_conf_t *conf = mddev->private;
- mdk_rdev_t **devlist = conf->devlist;
+ struct mddev *mddev = data;
+ struct r0conf *conf = mddev->private;
+ struct md_rdev **devlist = conf->devlist;
int raid_disks = conf->strip_zone[0].nb_dev;
int i, ret = 0;
/*
* inform the user of the raid configuration
*/
-static void dump_zones(mddev_t *mddev)
+static void dump_zones(struct mddev *mddev)
{
- int j, k, h;
+ int j, k;
sector_t zone_size = 0;
sector_t zone_start = 0;
char b[BDEVNAME_SIZE];
- raid0_conf_t *conf = mddev->private;
+ struct r0conf *conf = mddev->private;
int raid_disks = conf->strip_zone[0].nb_dev;
- printk(KERN_INFO "******* %s configuration *********\n",
- mdname(mddev));
- h = 0;
+ printk(KERN_INFO "md: RAID0 configuration for %s - %d zone%s\n",
+ mdname(mddev),
+ conf->nr_strip_zones, conf->nr_strip_zones==1?"":"s");
for (j = 0; j < conf->nr_strip_zones; j++) {
- printk(KERN_INFO "zone%d=[", j);
+ printk(KERN_INFO "md: zone%d=[", j);
for (k = 0; k < conf->strip_zone[j].nb_dev; k++)
- printk(KERN_CONT "%s/",
+ printk(KERN_CONT "%s%s", k?"/":"",
bdevname(conf->devlist[j*raid_disks
+ k]->bdev, b));
printk(KERN_CONT "]\n");
zone_size = conf->strip_zone[j].zone_end - zone_start;
- printk(KERN_INFO " zone offset=%llukb "
- "device offset=%llukb size=%llukb\n",
+ printk(KERN_INFO " zone-offset=%10lluKB, "
+ "device-offset=%10lluKB, size=%10lluKB\n",
(unsigned long long)zone_start>>1,
(unsigned long long)conf->strip_zone[j].dev_start>>1,
(unsigned long long)zone_size>>1);
zone_start = conf->strip_zone[j].zone_end;
}
- printk(KERN_INFO "**********************************\n\n");
+ printk(KERN_INFO "\n");
}
-static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
+static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)
{
int i, c, err;
sector_t curr_zone_end, sectors;
- mdk_rdev_t *smallest, *rdev1, *rdev2, *rdev, **dev;
+ struct md_rdev *smallest, *rdev1, *rdev2, *rdev, **dev;
struct strip_zone *zone;
int cnt;
char b[BDEVNAME_SIZE];
- raid0_conf_t *conf = kzalloc(sizeof(*conf), GFP_KERNEL);
+ char b2[BDEVNAME_SIZE];
+ struct r0conf *conf = kzalloc(sizeof(*conf), GFP_KERNEL);
if (!conf)
return -ENOMEM;
list_for_each_entry(rdev1, &mddev->disks, same_set) {
- printk(KERN_INFO "md/raid0:%s: looking at %s\n",
- mdname(mddev),
- bdevname(rdev1->bdev, b));
+ pr_debug("md/raid0:%s: looking at %s\n",
+ mdname(mddev),
+ bdevname(rdev1->bdev, b));
c = 0;
/* round size to chunk_size */
rdev1->sectors = sectors * mddev->chunk_sectors;
list_for_each_entry(rdev2, &mddev->disks, same_set) {
- printk(KERN_INFO "md/raid0:%s: comparing %s(%llu)",
- mdname(mddev),
- bdevname(rdev1->bdev,b),
- (unsigned long long)rdev1->sectors);
- printk(KERN_CONT " with %s(%llu)\n",
- bdevname(rdev2->bdev,b),
- (unsigned long long)rdev2->sectors);
+ pr_debug("md/raid0:%s: comparing %s(%llu)"
+ " with %s(%llu)\n",
+ mdname(mddev),
+ bdevname(rdev1->bdev,b),
+ (unsigned long long)rdev1->sectors,
+ bdevname(rdev2->bdev,b2),
+ (unsigned long long)rdev2->sectors);
if (rdev2 == rdev1) {
- printk(KERN_INFO "md/raid0:%s: END\n",
- mdname(mddev));
+ pr_debug("md/raid0:%s: END\n",
+ mdname(mddev));
break;
}
if (rdev2->sectors == rdev1->sectors) {
* Not unique, don't count it as a new
* group
*/
- printk(KERN_INFO "md/raid0:%s: EQUAL\n",
- mdname(mddev));
+ pr_debug("md/raid0:%s: EQUAL\n",
+ mdname(mddev));
c = 1;
break;
}
- printk(KERN_INFO "md/raid0:%s: NOT EQUAL\n",
- mdname(mddev));
+ pr_debug("md/raid0:%s: NOT EQUAL\n",
+ mdname(mddev));
}
if (!c) {
- printk(KERN_INFO "md/raid0:%s: ==> UNIQUE\n",
- mdname(mddev));
+ pr_debug("md/raid0:%s: ==> UNIQUE\n",
+ mdname(mddev));
conf->nr_strip_zones++;
- printk(KERN_INFO "md/raid0:%s: %d zones\n",
- mdname(mddev), conf->nr_strip_zones);
+ pr_debug("md/raid0:%s: %d zones\n",
+ mdname(mddev), conf->nr_strip_zones);
}
}
- printk(KERN_INFO "md/raid0:%s: FINAL %d zones\n",
- mdname(mddev), conf->nr_strip_zones);
+ pr_debug("md/raid0:%s: FINAL %d zones\n",
+ mdname(mddev), conf->nr_strip_zones);
err = -ENOMEM;
conf->strip_zone = kzalloc(sizeof(struct strip_zone)*
conf->nr_strip_zones, GFP_KERNEL);
if (!conf->strip_zone)
goto abort;
- conf->devlist = kzalloc(sizeof(mdk_rdev_t*)*
+ conf->devlist = kzalloc(sizeof(struct md_rdev*)*
conf->nr_strip_zones*mddev->raid_disks,
GFP_KERNEL);
if (!conf->devlist)
zone = conf->strip_zone + i;
dev = conf->devlist + i * mddev->raid_disks;
- printk(KERN_INFO "md/raid0:%s: zone %d\n",
- mdname(mddev), i);
+ pr_debug("md/raid0:%s: zone %d\n", mdname(mddev), i);
zone->dev_start = smallest->sectors;
smallest = NULL;
c = 0;
for (j=0; j<cnt; j++) {
rdev = conf->devlist[j];
- printk(KERN_INFO "md/raid0:%s: checking %s ...",
- mdname(mddev),
- bdevname(rdev->bdev, b));
if (rdev->sectors <= zone->dev_start) {
- printk(KERN_CONT " nope.\n");
+ pr_debug("md/raid0:%s: checking %s ... nope\n",
+ mdname(mddev),
+ bdevname(rdev->bdev, b));
continue;
}
- printk(KERN_CONT " contained as device %d\n", c);
+ pr_debug("md/raid0:%s: checking %s ..."
+ " contained as device %d\n",
+ mdname(mddev),
+ bdevname(rdev->bdev, b), c);
dev[c] = rdev;
c++;
if (!smallest || rdev->sectors < smallest->sectors) {
smallest = rdev;
- printk(KERN_INFO "md/raid0:%s: (%llu) is smallest!.\n",
- mdname(mddev),
- (unsigned long long)rdev->sectors);
+ pr_debug("md/raid0:%s: (%llu) is smallest!.\n",
+ mdname(mddev),
+ (unsigned long long)rdev->sectors);
}
}
zone->nb_dev = c;
sectors = (smallest->sectors - zone->dev_start) * c;
- printk(KERN_INFO "md/raid0:%s: zone->nb_dev: %d, sectors: %llu\n",
- mdname(mddev),
- zone->nb_dev, (unsigned long long)sectors);
+ pr_debug("md/raid0:%s: zone->nb_dev: %d, sectors: %llu\n",
+ mdname(mddev),
+ zone->nb_dev, (unsigned long long)sectors);
curr_zone_end += sectors;
zone->zone_end = curr_zone_end;
- printk(KERN_INFO "md/raid0:%s: current zone start: %llu\n",
- mdname(mddev),
- (unsigned long long)smallest->sectors);
+ pr_debug("md/raid0:%s: current zone start: %llu\n",
+ mdname(mddev),
+ (unsigned long long)smallest->sectors);
}
mddev->queue->backing_dev_info.congested_fn = raid0_congested;
mddev->queue->backing_dev_info.congested_data = mddev;
blk_queue_io_opt(mddev->queue,
(mddev->chunk_sectors << 9) * mddev->raid_disks);
- printk(KERN_INFO "md/raid0:%s: done.\n", mdname(mddev));
+ pr_debug("md/raid0:%s: done.\n", mdname(mddev));
*private_conf = conf;
return 0;
struct bvec_merge_data *bvm,
struct bio_vec *biovec)
{
- mddev_t *mddev = q->queuedata;
+ struct mddev *mddev = q->queuedata;
sector_t sector = bvm->bi_sector + get_start_sect(bvm->bi_bdev);
int max;
unsigned int chunk_sectors = mddev->chunk_sectors;
return max;
}
-static sector_t raid0_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+static sector_t raid0_size(struct mddev *mddev, sector_t sectors, int raid_disks)
{
sector_t array_sectors = 0;
- mdk_rdev_t *rdev;
+ struct md_rdev *rdev;
WARN_ONCE(sectors || raid_disks,
"%s does not support generic reshape\n", __func__);
return array_sectors;
}
-static int raid0_run(mddev_t *mddev)
+static int raid0_run(struct mddev *mddev)
{
- raid0_conf_t *conf;
+ struct r0conf *conf;
int ret;
if (mddev->chunk_sectors == 0) {
return md_integrity_register(mddev);
}
-static int raid0_stop(mddev_t *mddev)
+static int raid0_stop(struct mddev *mddev)
{
- raid0_conf_t *conf = mddev->private;
+ struct r0conf *conf = mddev->private;
blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/
kfree(conf->strip_zone);
/* Find the zone which holds a particular offset
* Update *sectorp to be an offset in that zone
*/
-static struct strip_zone *find_zone(struct raid0_private_data *conf,
+static struct strip_zone *find_zone(struct r0conf *conf,
sector_t *sectorp)
{
int i;
* remaps the bio to the target device. we separate two flows.
* power 2 flow and a general flow for the sake of perfromance
*/
-static mdk_rdev_t *map_sector(mddev_t *mddev, struct strip_zone *zone,
+static struct md_rdev *map_sector(struct mddev *mddev, struct strip_zone *zone,
sector_t sector, sector_t *sector_offset)
{
unsigned int sect_in_chunk;
sector_t chunk;
- raid0_conf_t *conf = mddev->private;
+ struct r0conf *conf = mddev->private;
int raid_disks = conf->strip_zone[0].nb_dev;
unsigned int chunk_sects = mddev->chunk_sectors;
/*
* Is io distribute over 1 or more chunks ?
*/
-static inline int is_io_in_chunk_boundary(mddev_t *mddev,
+static inline int is_io_in_chunk_boundary(struct mddev *mddev,
unsigned int chunk_sects, struct bio *bio)
{
if (likely(is_power_of_2(chunk_sects))) {
}
}
-static void raid0_make_request(mddev_t *mddev, struct bio *bio)
+static void raid0_make_request(struct mddev *mddev, struct bio *bio)
{
unsigned int chunk_sects;
sector_t sector_offset;
struct strip_zone *zone;
- mdk_rdev_t *tmp_dev;
+ struct md_rdev *tmp_dev;
if (unlikely(bio->bi_rw & REQ_FLUSH)) {
md_flush_request(mddev, bio);
return;
}
-static void raid0_status(struct seq_file *seq, mddev_t *mddev)
+static void raid0_status(struct seq_file *seq, struct mddev *mddev)
{
-#undef MD_DEBUG
-#ifdef MD_DEBUG
- int j, k, h;
- char b[BDEVNAME_SIZE];
- raid0_conf_t *conf = mddev->private;
- int raid_disks = conf->strip_zone[0].nb_dev;
-
- sector_t zone_size;
- sector_t zone_start = 0;
- h = 0;
-
- for (j = 0; j < conf->nr_strip_zones; j++) {
- seq_printf(seq, " z%d", j);
- seq_printf(seq, "=[");
- for (k = 0; k < conf->strip_zone[j].nb_dev; k++)
- seq_printf(seq, "%s/", bdevname(
- conf->devlist[j*raid_disks + k]
- ->bdev, b));
-
- zone_size = conf->strip_zone[j].zone_end - zone_start;
- seq_printf(seq, "] ze=%lld ds=%lld s=%lld\n",
- (unsigned long long)zone_start>>1,
- (unsigned long long)conf->strip_zone[j].dev_start>>1,
- (unsigned long long)zone_size>>1);
- zone_start = conf->strip_zone[j].zone_end;
- }
-#endif
seq_printf(seq, " %dk chunks", mddev->chunk_sectors / 2);
return;
}
-static void *raid0_takeover_raid45(mddev_t *mddev)
+static void *raid0_takeover_raid45(struct mddev *mddev)
{
- mdk_rdev_t *rdev;
- raid0_conf_t *priv_conf;
+ struct md_rdev *rdev;
+ struct r0conf *priv_conf;
if (mddev->degraded != 1) {
printk(KERN_ERR "md/raid0:%s: raid5 must be degraded! Degraded disks: %d\n",
return priv_conf;
}
-static void *raid0_takeover_raid10(mddev_t *mddev)
+static void *raid0_takeover_raid10(struct mddev *mddev)
{
- raid0_conf_t *priv_conf;
+ struct r0conf *priv_conf;
/* Check layout:
* - far_copies must be 1
return priv_conf;
}
-static void *raid0_takeover_raid1(mddev_t *mddev)
+static void *raid0_takeover_raid1(struct mddev *mddev)
{
- raid0_conf_t *priv_conf;
+ struct r0conf *priv_conf;
/* Check layout:
* - (N - 1) mirror drives must be already faulty
return priv_conf;
}
-static void *raid0_takeover(mddev_t *mddev)
+static void *raid0_takeover(struct mddev *mddev)
{
/* raid0 can take over:
* raid4 - if all data disks are active.
return ERR_PTR(-EINVAL);
}
-static void raid0_quiesce(mddev_t *mddev, int state)
+static void raid0_quiesce(struct mddev *mddev, int state)
{
}
-static struct mdk_personality raid0_personality=
+static struct md_personality raid0_personality=
{
.name = "raid0",
.level = 0,
projects / cascardo / linux.git / blobdiff