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Subject[PATCH V3 4/8] pktcdvd: Add struct pktcdvd_device * to pkt_dbg
Date
Add pd->name to output for these debugging messages.

Remove normally compiled out pkt_dbg(2, ...) function entry
tracing equivalents as it's better done via the function tracer.

Signed-off-by: Joe Perches <joe@perches.com>
---
drivers/block/pktcdvd.c | 90 +++++++++++++++++++++++--------------------------
1 file changed, 42 insertions(+), 48 deletions(-)

diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index dd2ddc9..13c1e02 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -71,12 +71,13 @@

#define DRIVER_NAME "pktcdvd"

-#define pkt_dbg(level, fmt, ...) \
-do { \
- if (level == 2 && PACKET_DEBUG >= 2) \
- pr_notice("%s: " fmt, __func__, ##__VA_ARGS__); \
- else if (level == 1 && PACKET_DEBUG >= 1) \
- pr_notice(fmt, ##__VA_ARGS__); \
+#define pkt_dbg(level, pd, fmt, ...) \
+do { \
+ if (level == 2 && PACKET_DEBUG >= 2) \
+ pr_notice("%s: %s():" fmt, \
+ pd->name, __func__, ##__VA_ARGS__); \
+ else if (level == 1 && PACKET_DEBUG >= 1) \
+ pr_notice("%s: " fmt, pd->name, ##__VA_ARGS__); \
} while (0)

#define MAX_SPEED 0xffff
@@ -515,7 +516,7 @@ static void pkt_bio_finished(struct pktcdvd_device *pd)
{
BUG_ON(atomic_read(&pd->cdrw.pending_bios) <= 0);
if (atomic_dec_and_test(&pd->cdrw.pending_bios)) {
- pkt_dbg(2, "queue empty\n");
+ pkt_dbg(2, pd, "queue empty\n");
atomic_set(&pd->iosched.attention, 1);
wake_up(&pd->wqueue);
}
@@ -866,7 +867,7 @@ static void pkt_iosched_process_queue(struct pktcdvd_device *pd)
need_write_seek = 0;
if (need_write_seek && reads_queued) {
if (atomic_read(&pd->cdrw.pending_bios) > 0) {
- pkt_dbg(2, "write, waiting\n");
+ pkt_dbg(2, pd, "write, waiting\n");
break;
}
pkt_flush_cache(pd);
@@ -875,7 +876,7 @@ static void pkt_iosched_process_queue(struct pktcdvd_device *pd)
} else {
if (!reads_queued && writes_queued) {
if (atomic_read(&pd->cdrw.pending_bios) > 0) {
- pkt_dbg(2, "read, waiting\n");
+ pkt_dbg(2, pd, "read, waiting\n");
break;
}
pd->iosched.writing = 1;
@@ -982,7 +983,7 @@ static void pkt_end_io_read(struct bio *bio, int err,
struct pktcdvd_device *pd = pkt->pd;
BUG_ON(!pd);

- pkt_dbg(2, "bio=%p sec0=%llx sec=%llx err=%d\n",
+ pkt_dbg(2, pd, "bio=%p sec0=%llx sec=%llx err=%d\n",
bio, (unsigned long long)pkt->sector,
(unsigned long long)bio->bi_sector, err);

@@ -1002,7 +1003,7 @@ static void pkt_end_io_packet_write(struct bio *bio, int err,
struct pktcdvd_device *pd = pkt->pd;
BUG_ON(!pd);

- pkt_dbg(2, "id=%d, err=%d\n", pkt->id, err);
+ pkt_dbg(2, pd, "id=%d, err=%d\n", pkt->id, err);

pd->stats.pkt_ended++;

@@ -1044,7 +1045,7 @@ static void pkt_gather_data(struct pktcdvd_device *pd, struct packet_data *pkt)
spin_unlock(&pkt->lock);

if (pkt->cache_valid) {
- pkt_dbg(2, "zone %llx cached\n",
+ pkt_dbg(2, pd, "zone %llx cached\n",
(unsigned long long)pkt->sector);
goto out_account;
}
@@ -1067,7 +1068,7 @@ static void pkt_gather_data(struct pktcdvd_device *pd, struct packet_data *pkt)

p = (f * CD_FRAMESIZE) / PAGE_SIZE;
offset = (f * CD_FRAMESIZE) % PAGE_SIZE;
- pkt_dbg(2, "Adding frame %d, page:%p offs:%d\n",
+ pkt_dbg(2, pd, "Adding frame %d, page:%p offs:%d\n",
f, pkt->pages[p], offset);
if (!bio_add_page(bio, pkt->pages[p], CD_FRAMESIZE, offset))
BUG();
@@ -1079,7 +1080,7 @@ static void pkt_gather_data(struct pktcdvd_device *pd, struct packet_data *pkt)
}

out_account:
- pkt_dbg(2, "need %d frames for zone %llx\n",
+ pkt_dbg(2, pd, "need %d frames for zone %llx\n",
frames_read, (unsigned long long)pkt->sector);
pd->stats.pkt_started++;
pd->stats.secs_rg += frames_read * (CD_FRAMESIZE >> 9);
@@ -1180,7 +1181,7 @@ static inline void pkt_set_state(struct packet_data *pkt, enum packet_data_state
"IDLE", "WAITING", "READ_WAIT", "WRITE_WAIT", "RECOVERY", "FINISHED"
};
enum packet_data_state old_state = pkt->state;
- pkt_dbg(2, "pkt %2d : s=%6llx %s -> %s\n",
+ pkt_dbg(2, pd, "pkt %2d : s=%6llx %s -> %s\n",
pkt->id, (unsigned long long)pkt->sector,
state_name[old_state], state_name[state]);
#endif
@@ -1200,12 +1201,10 @@ static int pkt_handle_queue(struct pktcdvd_device *pd)
struct rb_node *n;
int wakeup;

- pkt_dbg(2, "\n");
-
atomic_set(&pd->scan_queue, 0);

if (list_empty(&pd->cdrw.pkt_free_list)) {
- pkt_dbg(2, "no pkt\n");
+ pkt_dbg(2, pd, "no pkt\n");
return 0;
}

@@ -1242,7 +1241,7 @@ try_next_bio:
}
spin_unlock(&pd->lock);
if (!bio) {
- pkt_dbg(2, "no bio\n");
+ pkt_dbg(2, pd, "no bio\n");
return 0;
}

@@ -1258,10 +1257,10 @@ try_next_bio:
* to this packet.
*/
spin_lock(&pd->lock);
- pkt_dbg(2, "looking for zone %llx\n", (unsigned long long)zone);
+ pkt_dbg(2, pd, "looking for zone %llx\n", (unsigned long long)zone);
while ((node = pkt_rbtree_find(pd, zone)) != NULL) {
bio = node->bio;
- pkt_dbg(2, "found zone=%llx\n",
+ pkt_dbg(2, pd, "found zone=%llx\n",
(unsigned long long)get_zone(bio->bi_sector, pd));
if (get_zone(bio->bi_sector, pd) != zone)
break;
@@ -1314,7 +1313,7 @@ static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt)
if (!bio_add_page(pkt->w_bio, bvec[f].bv_page, CD_FRAMESIZE, bvec[f].bv_offset))
BUG();
}
- pkt_dbg(2, "vcnt=%d\n", pkt->w_bio->bi_vcnt);
+ pkt_dbg(2, pd, "vcnt=%d\n", pkt->w_bio->bi_vcnt);

/*
* Fill-in bvec with data from orig_bios.
@@ -1325,7 +1324,7 @@ static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt)
pkt_set_state(pkt, PACKET_WRITE_WAIT_STATE);
spin_unlock(&pkt->lock);

- pkt_dbg(2, "Writing %d frames for zone %llx\n",
+ pkt_dbg(2, pd, "Writing %d frames for zone %llx\n",
pkt->write_size, (unsigned long long)pkt->sector);

if (test_bit(PACKET_MERGE_SEGS, &pd->flags) || (pkt->write_size < pkt->frames)) {
@@ -1357,7 +1356,7 @@ static void pkt_run_state_machine(struct pktcdvd_device *pd, struct packet_data
{
int uptodate;

- pkt_dbg(2, "pkt %d\n", pkt->id);
+ pkt_dbg(2, pd, "pkt %d\n", pkt->id);

for (;;) {
switch (pkt->state) {
@@ -1396,7 +1395,7 @@ static void pkt_run_state_machine(struct pktcdvd_device *pd, struct packet_data
if (pkt_start_recovery(pkt)) {
pkt_start_write(pd, pkt);
} else {
- pkt_dbg(2, "No recovery possible\n");
+ pkt_dbg(2, pd, "No recovery possible\n");
pkt_set_state(pkt, PACKET_FINISHED_STATE);
}
break;
@@ -1417,8 +1416,6 @@ static void pkt_handle_packets(struct pktcdvd_device *pd)
{
struct packet_data *pkt, *next;

- pkt_dbg(2, "\n");
-
/*
* Run state machine for active packets
*/
@@ -1500,7 +1497,7 @@ static int kcdrwd(void *foobar)
if (PACKET_DEBUG > 1) {
int states[PACKET_NUM_STATES];
pkt_count_states(pd, states);
- pkt_dbg(2, "i:%d ow:%d rw:%d ww:%d rec:%d fin:%d\n",
+ pkt_dbg(2, pd, "i:%d ow:%d rw:%d ww:%d rec:%d fin:%d\n",
states[0], states[1], states[2],
states[3], states[4], states[5]);
}
@@ -1511,9 +1508,9 @@ static int kcdrwd(void *foobar)
min_sleep_time = pkt->sleep_time;
}

- pkt_dbg(2, "sleeping\n");
+ pkt_dbg(2, pd, "sleeping\n");
residue = schedule_timeout(min_sleep_time);
- pkt_dbg(2, "wake up\n");
+ pkt_dbg(2, pd, "wake up\n");

/* make swsusp happy with our thread */
try_to_freeze();
@@ -1810,7 +1807,7 @@ static int pkt_writable_disc(struct pktcdvd_device *pd, disc_information *di)
case 0x12: /* DVD-RAM */
return 1;
default:
- pkt_dbg(2, "Wrong disc profile (%x)\n",
+ pkt_dbg(2, pd, "Wrong disc profile (%x)\n",
pd->mmc3_profile);
return 0;
}
@@ -2126,7 +2123,7 @@ static noinline_for_stack int pkt_perform_opc(struct pktcdvd_device *pd)
struct request_sense sense;
int ret;

- pkt_dbg(2, "Performing OPC\n");
+ pkt_dbg(2, pd, "Performing OPC\n");

init_cdrom_command(&cgc, NULL, 0, CGC_DATA_NONE);
cgc.sense = &sense;
@@ -2144,12 +2141,12 @@ static int pkt_open_write(struct pktcdvd_device *pd)
unsigned int write_speed, media_write_speed, read_speed;

if ((ret = pkt_probe_settings(pd))) {
- pkt_dbg(2, "%s failed probe\n", pd->name);
+ pkt_dbg(2, pd, "failed probe\n");
return ret;
}

if ((ret = pkt_set_write_settings(pd))) {
- pkt_dbg(1, "%s failed saving write settings\n", pd->name);
+ pkt_dbg(1, pd, "failed saving write settings\n");
return -EIO;
}

@@ -2161,26 +2158,26 @@ static int pkt_open_write(struct pktcdvd_device *pd)
case 0x13: /* DVD-RW */
case 0x1a: /* DVD+RW */
case 0x12: /* DVD-RAM */
- pkt_dbg(1, "write speed %ukB/s\n", write_speed);
+ pkt_dbg(1, pd, "write speed %ukB/s\n", write_speed);
break;
default:
if ((ret = pkt_media_speed(pd, &media_write_speed)))
media_write_speed = 16;
write_speed = min(write_speed, media_write_speed * 177);
- pkt_dbg(1, "write speed %ux\n", write_speed / 176);
+ pkt_dbg(1, pd, "write speed %ux\n", write_speed / 176);
break;
}
read_speed = write_speed;

if ((ret = pkt_set_speed(pd, write_speed, read_speed))) {
- pkt_dbg(1, "%s couldn't set write speed\n", pd->name);
+ pkt_dbg(1, pd, "couldn't set write speed\n");
return -EIO;
}
pd->write_speed = write_speed;
pd->read_speed = read_speed;

if ((ret = pkt_perform_opc(pd))) {
- pkt_dbg(1, "%s Optimum Power Calibration failed\n", pd->name);
+ pkt_dbg(1, pd, "Optimum Power Calibration failed\n");
}

return 0;
@@ -2257,7 +2254,7 @@ out:
static void pkt_release_dev(struct pktcdvd_device *pd, int flush)
{
if (flush && pkt_flush_cache(pd))
- pkt_dbg(1, "%s not flushing cache\n", pd->name);
+ pkt_dbg(1, pd, "not flushing cache\n");

pkt_lock_door(pd, 0);

@@ -2279,8 +2276,6 @@ static int pkt_open(struct block_device *bdev, fmode_t mode)
struct pktcdvd_device *pd = NULL;
int ret;

- pkt_dbg(2, "entering\n");
-
mutex_lock(&pktcdvd_mutex);
mutex_lock(&ctl_mutex);
pd = pkt_find_dev_from_minor(MINOR(bdev->bd_dev));
@@ -2315,7 +2310,6 @@ static int pkt_open(struct block_device *bdev, fmode_t mode)
out_dec:
pd->refcnt--;
out:
- pkt_dbg(2, "failed (%d)\n", ret);
mutex_unlock(&ctl_mutex);
mutex_unlock(&pktcdvd_mutex);
return ret;
@@ -2397,7 +2391,7 @@ static void pkt_make_request(struct request_queue *q, struct bio *bio)
blk_queue_bounce(q, &bio);

zone = get_zone(bio->bi_sector, pd);
- pkt_dbg(2, "start = %6llx stop = %6llx\n",
+ pkt_dbg(2, pd, "start = %6llx stop = %6llx\n",
(unsigned long long)bio->bi_sector,
(unsigned long long)bio_end_sector(bio));

@@ -2652,7 +2646,7 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
}

proc_create_data(pd->name, 0, pkt_proc, &pkt_proc_fops, pd);
- pkt_dbg(1, "writer %s mapped to %s\n", pd->name, bdevname(bdev, b));
+ pkt_dbg(1, pd, "writer mapped to %s\n", bdevname(bdev, b));
return 0;

out_mem:
@@ -2667,7 +2661,7 @@ static int pkt_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
struct pktcdvd_device *pd = bdev->bd_disk->private_data;
int ret;

- pkt_dbg(2, "cmd %x, dev %d:%d\n",
+ pkt_dbg(2, pd, "cmd %x, dev %d:%d\n",
cmd, MAJOR(bdev->bd_dev), MINOR(bdev->bd_dev));

mutex_lock(&pktcdvd_mutex);
@@ -2692,7 +2686,7 @@ static int pkt_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
break;

default:
- pkt_dbg(2, "Unknown ioctl for %s (%x)\n", pd->name, cmd);
+ pkt_dbg(2, pd, "Unknown ioctl (%x)\n", cmd);
ret = -ENOTTY;
}
mutex_unlock(&pktcdvd_mutex);
@@ -2841,7 +2835,7 @@ static int pkt_remove_dev(dev_t pkt_dev)
break;
}
if (idx == MAX_WRITERS) {
- pkt_dbg(1, "dev not setup\n");
+ pkt_dbg(1, pd, "dev not setup\n");
ret = -ENXIO;
goto out;
}
@@ -2861,7 +2855,7 @@ static int pkt_remove_dev(dev_t pkt_dev)
blkdev_put(pd->bdev, FMODE_READ | FMODE_NDELAY);

remove_proc_entry(pd->name, pkt_proc);
- pkt_dbg(1, "writer %s unmapped\n", pd->name);
+ pkt_dbg(1, pd, "writer unmapped\n");

del_gendisk(pd->disk);
blk_cleanup_queue(pd->disk->queue);
--
1.8.1.2.459.gbcd45b4.dirty


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