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md: remove some old DEBUGging code.

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This code is not really helpful and is hard to maintain, so just
discard it.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2011-10-07 14:23:04 +11:00
parent db298e1946
commit bdc04e6b15
2 changed files with 0 additions and 84 deletions
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27
drivers/md/raid0.c
View file

@ -528,33 +528,6 @@ static int raid0_make_request(mddev_t *mddev, struct bio *bio)
static void raid0_status(struct seq_file *seq, mddev_t *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;
}

57
drivers/md/raid5.c
View file

@ -93,20 +93,6 @@ static inline struct bio *r5_next_bio(struct bio *bio, sector_t sector)
else
return NULL;
}
/*
* The following can be used to debug the driver
*/
#define RAID5_PARANOIA 1
#if RAID5_PARANOIA && defined(CONFIG_SMP)
# define CHECK_DEVLOCK() assert_spin_locked(&conf->device_lock)
#else
# define CHECK_DEVLOCK()
#endif
#ifdef DEBUG
#define inline
#define __inline__
#endif
/*
* We maintain a biased count of active stripes in the bottom 16 bits of
@ -262,7 +248,6 @@ static inline void insert_hash(raid5_conf_t *conf, struct stripe_head *sh)
pr_debug("insert_hash(), stripe %llu\n",
(unsigned long long)sh->sector);
CHECK_DEVLOCK();
hlist_add_head(&sh->hash, hp);
}
@ -273,7 +258,6 @@ static struct stripe_head *get_free_stripe(raid5_conf_t *conf)
struct stripe_head *sh = NULL;
struct list_head *first;
CHECK_DEVLOCK();
if (list_empty(&conf->inactive_list))
goto out;
first = conf->inactive_list.next;
@ -329,7 +313,6 @@ static void init_stripe(struct stripe_head *sh, sector_t sector, int previous)
BUG_ON(test_bit(STRIPE_HANDLE, &sh->state));
BUG_ON(stripe_operations_active(sh));
CHECK_DEVLOCK();
pr_debug("init_stripe called, stripe %llu\n",
(unsigned long long)sh->sector);
@ -365,7 +348,6 @@ static struct stripe_head *__find_stripe(raid5_conf_t *conf, sector_t sector,
struct stripe_head *sh;
struct hlist_node *hn;
CHECK_DEVLOCK();
pr_debug("__find_stripe, sector %llu\n", (unsigned long long)sector);
hlist_for_each_entry(sh, hn, stripe_hash(conf, sector), hash)
if (sh->sector == sector && sh->generation == generation)
@ -4973,41 +4955,6 @@ static int stop(mddev_t *mddev)
return 0;
}
#ifdef DEBUG
static void print_sh(struct seq_file *seq, struct stripe_head *sh)
{
int i;
seq_printf(seq, "sh %llu, pd_idx %d, state %ld.\n",
(unsigned long long)sh->sector, sh->pd_idx, sh->state);
seq_printf(seq, "sh %llu, count %d.\n",
(unsigned long long)sh->sector, atomic_read(&sh->count));
seq_printf(seq, "sh %llu, ", (unsigned long long)sh->sector);
for (i = 0; i < sh->disks; i++) {
seq_printf(seq, "(cache%d: %p %ld) ",
i, sh->dev[i].page, sh->dev[i].flags);
}
seq_printf(seq, "\n");
}
static void printall(struct seq_file *seq, raid5_conf_t *conf)
{
struct stripe_head *sh;
struct hlist_node *hn;
int i;
spin_lock_irq(&conf->device_lock);
for (i = 0; i < NR_HASH; i++) {
hlist_for_each_entry(sh, hn, &conf->stripe_hashtbl[i], hash) {
if (sh->raid_conf != conf)
continue;
print_sh(seq, sh);
}
}
spin_unlock_irq(&conf->device_lock);
}
#endif
static void status(struct seq_file *seq, mddev_t *mddev)
{
raid5_conf_t *conf = mddev->private;
@ -5021,10 +4968,6 @@ static void status(struct seq_file *seq, mddev_t *mddev)
conf->disks[i].rdev &&
test_bit(In_sync, &conf->disks[i].rdev->flags) ? "U" : "_");
seq_printf (seq, "]");
#ifdef DEBUG
seq_printf (seq, "\n");
printall(seq, conf);
#endif
}
static void print_raid5_conf (raid5_conf_t *conf)