raid5: replace custom debug PRINTKs with standard pr_debug
Replaces PRINTK with pr_debug, and kills the RAID5_DEBUG definition in favor of the global DEBUG definition. To get local debug messages just add '#define DEBUG' to the top of the file. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Acked-By: NeilBrown <neilb@suse.de>
This commit is contained in:
Dan Williams
parent
a445685647
commit
45b4233caa
1 changed files with 58 additions and 58 deletions
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@ -80,7 +80,6 @@
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/*
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* The following can be used to debug the driver
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*/
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#define RAID5_DEBUG 0
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#define RAID5_PARANOIA 1
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#if RAID5_PARANOIA && defined(CONFIG_SMP)
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# define CHECK_DEVLOCK() assert_spin_locked(&conf->device_lock)
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@ -88,8 +87,7 @@
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# define CHECK_DEVLOCK()
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#endif
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#define PRINTK(x...) ((void)(RAID5_DEBUG && printk(x)))
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#if RAID5_DEBUG
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#ifdef DEBUG
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#define inline
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#define __inline__
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#endif
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@ -169,7 +167,8 @@ static void release_stripe(struct stripe_head *sh)
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static inline void remove_hash(struct stripe_head *sh)
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{
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PRINTK("remove_hash(), stripe %llu\n", (unsigned long long)sh->sector);
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pr_debug("remove_hash(), stripe %llu\n",
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(unsigned long long)sh->sector);
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hlist_del_init(&sh->hash);
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}
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@ -178,7 +177,8 @@ static inline void insert_hash(raid5_conf_t *conf, struct stripe_head *sh)
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{
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struct hlist_head *hp = stripe_hash(conf, sh->sector);
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PRINTK("insert_hash(), stripe %llu\n", (unsigned long long)sh->sector);
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pr_debug("insert_hash(), stripe %llu\n",
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(unsigned long long)sh->sector);
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CHECK_DEVLOCK();
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hlist_add_head(&sh->hash, hp);
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@ -243,7 +243,7 @@ static void init_stripe(struct stripe_head *sh, sector_t sector, int pd_idx, int
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BUG_ON(test_bit(STRIPE_HANDLE, &sh->state));
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CHECK_DEVLOCK();
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PRINTK("init_stripe called, stripe %llu\n",
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pr_debug("init_stripe called, stripe %llu\n",
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(unsigned long long)sh->sector);
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remove_hash(sh);
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@ -277,11 +277,11 @@ static struct stripe_head *__find_stripe(raid5_conf_t *conf, sector_t sector, in
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struct hlist_node *hn;
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CHECK_DEVLOCK();
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PRINTK("__find_stripe, sector %llu\n", (unsigned long long)sector);
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pr_debug("__find_stripe, sector %llu\n", (unsigned long long)sector);
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hlist_for_each_entry(sh, hn, stripe_hash(conf, sector), hash)
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if (sh->sector == sector && sh->disks == disks)
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return sh;
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PRINTK("__stripe %llu not in cache\n", (unsigned long long)sector);
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pr_debug("__stripe %llu not in cache\n", (unsigned long long)sector);
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return NULL;
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}
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@ -293,7 +293,7 @@ static struct stripe_head *get_active_stripe(raid5_conf_t *conf, sector_t sector
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{
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struct stripe_head *sh;
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PRINTK("get_stripe, sector %llu\n", (unsigned long long)sector);
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pr_debug("get_stripe, sector %llu\n", (unsigned long long)sector);
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spin_lock_irq(&conf->device_lock);
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@ -554,8 +554,8 @@ static int raid5_end_read_request(struct bio * bi, unsigned int bytes_done,
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if (bi == &sh->dev[i].req)
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break;
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PRINTK("end_read_request %llu/%d, count: %d, uptodate %d.\n",
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(unsigned long long)sh->sector, i, atomic_read(&sh->count),
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pr_debug("end_read_request %llu/%d, count: %d, uptodate %d.\n",
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(unsigned long long)sh->sector, i, atomic_read(&sh->count),
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uptodate);
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if (i == disks) {
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BUG();
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@ -630,7 +630,7 @@ static int raid5_end_write_request (struct bio *bi, unsigned int bytes_done,
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if (bi == &sh->dev[i].req)
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break;
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PRINTK("end_write_request %llu/%d, count %d, uptodate: %d.\n",
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pr_debug("end_write_request %llu/%d, count %d, uptodate: %d.\n",
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(unsigned long long)sh->sector, i, atomic_read(&sh->count),
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uptodate);
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if (i == disks) {
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@ -675,7 +675,7 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev)
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{
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char b[BDEVNAME_SIZE];
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raid5_conf_t *conf = (raid5_conf_t *) mddev->private;
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PRINTK("raid5: error called\n");
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pr_debug("raid5: error called\n");
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if (!test_bit(Faulty, &rdev->flags)) {
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set_bit(MD_CHANGE_DEVS, &mddev->flags);
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@ -946,7 +946,7 @@ static void compute_block(struct stripe_head *sh, int dd_idx)
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int i, count, disks = sh->disks;
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void *ptr[MAX_XOR_BLOCKS], *dest, *p;
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PRINTK("compute_block, stripe %llu, idx %d\n",
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pr_debug("compute_block, stripe %llu, idx %d\n",
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(unsigned long long)sh->sector, dd_idx);
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dest = page_address(sh->dev[dd_idx].page);
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@ -977,7 +977,7 @@ static void compute_parity5(struct stripe_head *sh, int method)
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void *ptr[MAX_XOR_BLOCKS], *dest;
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struct bio *chosen;
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PRINTK("compute_parity5, stripe %llu, method %d\n",
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pr_debug("compute_parity5, stripe %llu, method %d\n",
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(unsigned long long)sh->sector, method);
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count = 0;
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@ -1075,7 +1075,7 @@ static void compute_parity6(struct stripe_head *sh, int method)
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qd_idx = raid6_next_disk(pd_idx, disks);
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d0_idx = raid6_next_disk(qd_idx, disks);
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PRINTK("compute_parity, stripe %llu, method %d\n",
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pr_debug("compute_parity, stripe %llu, method %d\n",
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(unsigned long long)sh->sector, method);
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switch(method) {
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@ -1153,7 +1153,7 @@ static void compute_block_1(struct stripe_head *sh, int dd_idx, int nozero)
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int pd_idx = sh->pd_idx;
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int qd_idx = raid6_next_disk(pd_idx, disks);
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PRINTK("compute_block_1, stripe %llu, idx %d\n",
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pr_debug("compute_block_1, stripe %llu, idx %d\n",
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(unsigned long long)sh->sector, dd_idx);
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if ( dd_idx == qd_idx ) {
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@ -1200,7 +1200,7 @@ static void compute_block_2(struct stripe_head *sh, int dd_idx1, int dd_idx2)
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BUG_ON(faila == failb);
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if ( failb < faila ) { int tmp = faila; faila = failb; failb = tmp; }
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PRINTK("compute_block_2, stripe %llu, idx %d,%d (%d,%d)\n",
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pr_debug("compute_block_2, stripe %llu, idx %d,%d (%d,%d)\n",
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(unsigned long long)sh->sector, dd_idx1, dd_idx2, faila, failb);
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if ( failb == disks-1 ) {
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@ -1259,7 +1259,7 @@ static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx, in
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raid5_conf_t *conf = sh->raid_conf;
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int firstwrite=0;
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PRINTK("adding bh b#%llu to stripe s#%llu\n",
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pr_debug("adding bh b#%llu to stripe s#%llu\n",
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(unsigned long long)bi->bi_sector,
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(unsigned long long)sh->sector);
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@ -1288,7 +1288,7 @@ static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx, in
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spin_unlock_irq(&conf->device_lock);
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spin_unlock(&sh->lock);
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PRINTK("added bi b#%llu to stripe s#%llu, disk %d.\n",
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pr_debug("added bi b#%llu to stripe s#%llu, disk %d.\n",
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(unsigned long long)bi->bi_sector,
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(unsigned long long)sh->sector, dd_idx);
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@ -1448,14 +1448,14 @@ static void handle_issuing_new_read_requests5(struct stripe_head *sh,
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* by computing it, but we might not be able to
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*/
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if (s->uptodate == disks-1) {
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PRINTK("Computing block %d\n", i);
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pr_debug("Computing block %d\n", i);
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compute_block(sh, i);
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s->uptodate++;
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} else if (test_bit(R5_Insync, &dev->flags)) {
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set_bit(R5_LOCKED, &dev->flags);
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set_bit(R5_Wantread, &dev->flags);
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s->locked++;
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PRINTK("Reading block %d (sync=%d)\n",
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pr_debug("Reading block %d (sync=%d)\n",
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i, s->syncing);
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}
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}
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@ -1485,7 +1485,7 @@ static void handle_issuing_new_read_requests6(struct stripe_head *sh,
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* by computing it, but we might not be able to
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*/
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if (s->uptodate == disks-1) {
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PRINTK("Computing stripe %llu block %d\n",
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pr_debug("Computing stripe %llu block %d\n",
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(unsigned long long)sh->sector, i);
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compute_block_1(sh, i, 0);
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s->uptodate++;
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@ -1502,7 +1502,7 @@ static void handle_issuing_new_read_requests6(struct stripe_head *sh,
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break;
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}
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BUG_ON(other < 0);
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PRINTK("Computing stripe %llu blocks %d,%d\n",
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pr_debug("Computing stripe %llu blocks %d,%d\n",
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(unsigned long long)sh->sector,
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i, other);
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compute_block_2(sh, i, other);
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@ -1511,7 +1511,7 @@ static void handle_issuing_new_read_requests6(struct stripe_head *sh,
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set_bit(R5_LOCKED, &dev->flags);
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set_bit(R5_Wantread, &dev->flags);
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s->locked++;
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PRINTK("Reading block %d (sync=%d)\n",
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pr_debug("Reading block %d (sync=%d)\n",
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i, s->syncing);
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}
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}
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@ -1539,7 +1539,7 @@ static void handle_completed_write_requests(raid5_conf_t *conf,
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/* We can return any write requests */
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struct bio *wbi, *wbi2;
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int bitmap_end = 0;
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PRINTK("Return write for disc %d\n", i);
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pr_debug("Return write for disc %d\n", i);
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spin_lock_irq(&conf->device_lock);
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wbi = dev->written;
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dev->written = NULL;
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@ -1591,7 +1591,7 @@ static void handle_issuing_new_write_requests5(raid5_conf_t *conf,
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rcw += 2*disks;
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}
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}
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PRINTK("for sector %llu, rmw=%d rcw=%d\n",
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pr_debug("for sector %llu, rmw=%d rcw=%d\n",
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(unsigned long long)sh->sector, rmw, rcw);
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set_bit(STRIPE_HANDLE, &sh->state);
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if (rmw < rcw && rmw > 0)
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@ -1604,7 +1604,7 @@ static void handle_issuing_new_write_requests5(raid5_conf_t *conf,
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test_bit(R5_Insync, &dev->flags)) {
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if (
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test_bit(STRIPE_PREREAD_ACTIVE, &sh->state)) {
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PRINTK("Read_old block "
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pr_debug("Read_old block "
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"%d for r-m-w\n", i);
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set_bit(R5_LOCKED, &dev->flags);
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set_bit(R5_Wantread, &dev->flags);
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@ -1626,7 +1626,7 @@ static void handle_issuing_new_write_requests5(raid5_conf_t *conf,
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test_bit(R5_Insync, &dev->flags)) {
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if (
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test_bit(STRIPE_PREREAD_ACTIVE, &sh->state)) {
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PRINTK("Read_old block "
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pr_debug("Read_old block "
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"%d for Reconstruct\n", i);
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set_bit(R5_LOCKED, &dev->flags);
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set_bit(R5_Wantread, &dev->flags);
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@ -1642,13 +1642,13 @@ static void handle_issuing_new_write_requests5(raid5_conf_t *conf,
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*/
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if (s->locked == 0 && (rcw == 0 || rmw == 0) &&
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!test_bit(STRIPE_BIT_DELAY, &sh->state)) {
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PRINTK("Computing parity...\n");
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pr_debug("Computing parity...\n");
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compute_parity5(sh, rcw == 0 ?
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RECONSTRUCT_WRITE : READ_MODIFY_WRITE);
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/* now every locked buffer is ready to be written */
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for (i = disks; i--; )
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if (test_bit(R5_LOCKED, &sh->dev[i].flags)) {
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PRINTK("Writing block %d\n", i);
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pr_debug("Writing block %d\n", i);
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s->locked++;
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set_bit(R5_Wantwrite, &sh->dev[i].flags);
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if (!test_bit(R5_Insync, &sh->dev[i].flags)
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@ -1680,13 +1680,13 @@ static void handle_issuing_new_write_requests6(raid5_conf_t *conf,
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!test_bit(R5_UPTODATE, &dev->flags)) {
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if (test_bit(R5_Insync, &dev->flags)) rcw++;
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else {
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PRINTK("raid6: must_compute: "
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pr_debug("raid6: must_compute: "
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"disk %d flags=%#lx\n", i, dev->flags);
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must_compute++;
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}
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}
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}
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PRINTK("for sector %llu, rcw=%d, must_compute=%d\n",
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pr_debug("for sector %llu, rcw=%d, must_compute=%d\n",
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(unsigned long long)sh->sector, rcw, must_compute);
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set_bit(STRIPE_HANDLE, &sh->state);
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@ -1701,14 +1701,14 @@ static void handle_issuing_new_write_requests6(raid5_conf_t *conf,
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test_bit(R5_Insync, &dev->flags)) {
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if (
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test_bit(STRIPE_PREREAD_ACTIVE, &sh->state)) {
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PRINTK("Read_old stripe %llu "
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pr_debug("Read_old stripe %llu "
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"block %d for Reconstruct\n",
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(unsigned long long)sh->sector, i);
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set_bit(R5_LOCKED, &dev->flags);
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set_bit(R5_Wantread, &dev->flags);
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s->locked++;
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} else {
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PRINTK("Request delayed stripe %llu "
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pr_debug("Request delayed stripe %llu "
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"block %d for Reconstruct\n",
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(unsigned long long)sh->sector, i);
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set_bit(STRIPE_DELAYED, &sh->state);
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@ -1738,13 +1738,13 @@ static void handle_issuing_new_write_requests6(raid5_conf_t *conf,
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}
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}
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PRINTK("Computing parity for stripe %llu\n",
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pr_debug("Computing parity for stripe %llu\n",
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(unsigned long long)sh->sector);
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compute_parity6(sh, RECONSTRUCT_WRITE);
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/* now every locked buffer is ready to be written */
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for (i = disks; i--; )
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if (test_bit(R5_LOCKED, &sh->dev[i].flags)) {
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PRINTK("Writing stripe %llu block %d\n",
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pr_debug("Writing stripe %llu block %d\n",
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(unsigned long long)sh->sector, i);
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s->locked++;
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set_bit(R5_Wantwrite, &sh->dev[i].flags);
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@ -1973,7 +1973,7 @@ static void handle_stripe5(struct stripe_head *sh)
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struct r5dev *dev;
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memset(&s, 0, sizeof(s));
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PRINTK("handling stripe %llu, cnt=%d, pd_idx=%d\n",
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pr_debug("handling stripe %llu, cnt=%d, pd_idx=%d\n",
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(unsigned long long)sh->sector, atomic_read(&sh->count),
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sh->pd_idx);
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@ -1992,12 +1992,12 @@ static void handle_stripe5(struct stripe_head *sh)
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struct r5dev *dev = &sh->dev[i];
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clear_bit(R5_Insync, &dev->flags);
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PRINTK("check %d: state 0x%lx read %p write %p written %p\n",
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pr_debug("check %d: state 0x%lx read %p write %p written %p\n",
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i, dev->flags, dev->toread, dev->towrite, dev->written);
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/* maybe we can reply to a read */
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if (test_bit(R5_UPTODATE, &dev->flags) && dev->toread) {
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struct bio *rbi, *rbi2;
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PRINTK("Return read for disc %d\n", i);
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pr_debug("Return read for disc %d\n", i);
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spin_lock_irq(&conf->device_lock);
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rbi = dev->toread;
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dev->toread = NULL;
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@ -2044,7 +2044,7 @@ static void handle_stripe5(struct stripe_head *sh)
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set_bit(R5_Insync, &dev->flags);
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}
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rcu_read_unlock();
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PRINTK("locked=%d uptodate=%d to_read=%d"
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pr_debug("locked=%d uptodate=%d to_read=%d"
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" to_write=%d failed=%d failed_num=%d\n",
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s.locked, s.uptodate, s.to_read, s.to_write,
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s.failed, s.failed_num);
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@ -2174,7 +2174,7 @@ static void handle_stripe5(struct stripe_head *sh)
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md_sync_acct(rdev->bdev, STRIPE_SECTORS);
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bi->bi_bdev = rdev->bdev;
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PRINTK("for %llu schedule op %ld on disc %d\n",
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pr_debug("for %llu schedule op %ld on disc %d\n",
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(unsigned long long)sh->sector, bi->bi_rw, i);
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atomic_inc(&sh->count);
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bi->bi_sector = sh->sector + rdev->data_offset;
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@ -2194,7 +2194,7 @@ static void handle_stripe5(struct stripe_head *sh)
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} else {
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if (rw == WRITE)
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set_bit(STRIPE_DEGRADED, &sh->state);
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PRINTK("skip op %ld on disc %d for sector %llu\n",
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pr_debug("skip op %ld on disc %d for sector %llu\n",
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bi->bi_rw, i, (unsigned long long)sh->sector);
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clear_bit(R5_LOCKED, &sh->dev[i].flags);
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set_bit(STRIPE_HANDLE, &sh->state);
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@ -2213,7 +2213,7 @@ static void handle_stripe6(struct stripe_head *sh, struct page *tmp_page)
|
|||
struct r5dev *dev, *pdev, *qdev;
|
||||
|
||||
r6s.qd_idx = raid6_next_disk(pd_idx, disks);
|
||||
PRINTK("handling stripe %llu, state=%#lx cnt=%d, "
|
||||
pr_debug("handling stripe %llu, state=%#lx cnt=%d, "
|
||||
"pd_idx=%d, qd_idx=%d\n",
|
||||
(unsigned long long)sh->sector, sh->state,
|
||||
atomic_read(&sh->count), pd_idx, r6s.qd_idx);
|
||||
|
|
@ -2234,12 +2234,12 @@ static void handle_stripe6(struct stripe_head *sh, struct page *tmp_page)
|
|||
dev = &sh->dev[i];
|
||||
clear_bit(R5_Insync, &dev->flags);
|
||||
|
||||
PRINTK("check %d: state 0x%lx read %p write %p written %p\n",
|
||||
pr_debug("check %d: state 0x%lx read %p write %p written %p\n",
|
||||
i, dev->flags, dev->toread, dev->towrite, dev->written);
|
||||
/* maybe we can reply to a read */
|
||||
if (test_bit(R5_UPTODATE, &dev->flags) && dev->toread) {
|
||||
struct bio *rbi, *rbi2;
|
||||
PRINTK("Return read for disc %d\n", i);
|
||||
pr_debug("Return read for disc %d\n", i);
|
||||
spin_lock_irq(&conf->device_lock);
|
||||
rbi = dev->toread;
|
||||
dev->toread = NULL;
|
||||
|
|
@ -2288,7 +2288,7 @@ static void handle_stripe6(struct stripe_head *sh, struct page *tmp_page)
|
|||
set_bit(R5_Insync, &dev->flags);
|
||||
}
|
||||
rcu_read_unlock();
|
||||
PRINTK("locked=%d uptodate=%d to_read=%d"
|
||||
pr_debug("locked=%d uptodate=%d to_read=%d"
|
||||
" to_write=%d failed=%d failed_num=%d,%d\n",
|
||||
s.locked, s.uptodate, s.to_read, s.to_write, s.failed,
|
||||
r6s.failed_num[0], r6s.failed_num[1]);
|
||||
|
|
@ -2428,7 +2428,7 @@ static void handle_stripe6(struct stripe_head *sh, struct page *tmp_page)
|
|||
md_sync_acct(rdev->bdev, STRIPE_SECTORS);
|
||||
|
||||
bi->bi_bdev = rdev->bdev;
|
||||
PRINTK("for %llu schedule op %ld on disc %d\n",
|
||||
pr_debug("for %llu schedule op %ld on disc %d\n",
|
||||
(unsigned long long)sh->sector, bi->bi_rw, i);
|
||||
atomic_inc(&sh->count);
|
||||
bi->bi_sector = sh->sector + rdev->data_offset;
|
||||
|
|
@ -2448,7 +2448,7 @@ static void handle_stripe6(struct stripe_head *sh, struct page *tmp_page)
|
|||
} else {
|
||||
if (rw == WRITE)
|
||||
set_bit(STRIPE_DEGRADED, &sh->state);
|
||||
PRINTK("skip op %ld on disc %d for sector %llu\n",
|
||||
pr_debug("skip op %ld on disc %d for sector %llu\n",
|
||||
bi->bi_rw, i, (unsigned long long)sh->sector);
|
||||
clear_bit(R5_LOCKED, &sh->dev[i].flags);
|
||||
set_bit(STRIPE_HANDLE, &sh->state);
|
||||
|
|
@ -2692,7 +2692,7 @@ static int raid5_align_endio(struct bio *bi, unsigned int bytes, int error)
|
|||
}
|
||||
|
||||
|
||||
PRINTK("raid5_align_endio : io error...handing IO for a retry\n");
|
||||
pr_debug("raid5_align_endio : io error...handing IO for a retry\n");
|
||||
|
||||
add_bio_to_retry(raid_bi, conf);
|
||||
return 0;
|
||||
|
|
@ -2730,7 +2730,7 @@ static int chunk_aligned_read(request_queue_t *q, struct bio * raid_bio)
|
|||
mdk_rdev_t *rdev;
|
||||
|
||||
if (!in_chunk_boundary(mddev, raid_bio)) {
|
||||
PRINTK("chunk_aligned_read : non aligned\n");
|
||||
pr_debug("chunk_aligned_read : non aligned\n");
|
||||
return 0;
|
||||
}
|
||||
/*
|
||||
|
|
@ -2854,7 +2854,7 @@ static int make_request(request_queue_t *q, struct bio * bi)
|
|||
|
||||
new_sector = raid5_compute_sector(logical_sector, disks, data_disks,
|
||||
&dd_idx, &pd_idx, conf);
|
||||
PRINTK("raid5: make_request, sector %llu logical %llu\n",
|
||||
pr_debug("raid5: make_request, sector %llu logical %llu\n",
|
||||
(unsigned long long)new_sector,
|
||||
(unsigned long long)logical_sector);
|
||||
|
||||
|
|
@ -3227,7 +3227,7 @@ static void raid5d (mddev_t *mddev)
|
|||
raid5_conf_t *conf = mddev_to_conf(mddev);
|
||||
int handled;
|
||||
|
||||
PRINTK("+++ raid5d active\n");
|
||||
pr_debug("+++ raid5d active\n");
|
||||
|
||||
md_check_recovery(mddev);
|
||||
|
||||
|
|
@ -3279,13 +3279,13 @@ static void raid5d (mddev_t *mddev)
|
|||
|
||||
spin_lock_irq(&conf->device_lock);
|
||||
}
|
||||
PRINTK("%d stripes handled\n", handled);
|
||||
pr_debug("%d stripes handled\n", handled);
|
||||
|
||||
spin_unlock_irq(&conf->device_lock);
|
||||
|
||||
unplug_slaves(mddev);
|
||||
|
||||
PRINTK("--- raid5d inactive\n");
|
||||
pr_debug("--- raid5d inactive\n");
|
||||
}
|
||||
|
||||
static ssize_t
|
||||
|
|
@ -3461,7 +3461,7 @@ static int run(mddev_t *mddev)
|
|||
atomic_set(&conf->preread_active_stripes, 0);
|
||||
atomic_set(&conf->active_aligned_reads, 0);
|
||||
|
||||
PRINTK("raid5: run(%s) called.\n", mdname(mddev));
|
||||
pr_debug("raid5: run(%s) called.\n", mdname(mddev));
|
||||
|
||||
ITERATE_RDEV(mddev,rdev,tmp) {
|
||||
raid_disk = rdev->raid_disk;
|
||||
|
|
@ -3644,7 +3644,7 @@ static int stop(mddev_t *mddev)
|
|||
return 0;
|
||||
}
|
||||
|
||||
#if RAID5_DEBUG
|
||||
#ifdef DEBUG
|
||||
static void print_sh (struct seq_file *seq, struct stripe_head *sh)
|
||||
{
|
||||
int i;
|
||||
|
|
@ -3691,7 +3691,7 @@ 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, "]");
|
||||
#if RAID5_DEBUG
|
||||
#ifdef DEBUG
|
||||
seq_printf (seq, "\n");
|
||||
printall(seq, conf);
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in a new issue