pktcdvd: add struct pktcdvd_device * to pkt_dbg

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>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index aaa5da2b3d66950943bd6584ca454d02ad2c23f0..5050c7abb6eea984431fa9694a36370cdd9812a0 100644 (file)
--- 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;
@@ -981,7 +982,7 @@ 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);
 
@@ -1000,7 +1001,7 @@ 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++;
 
@@ -1042,7 +1043,7 @@ 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;
        }
@@ -1065,7 +1066,7 @@ 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();
@@ -1077,7 +1078,7 @@ 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);
@@ -1178,7 +1179,7 @@ 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
@@ -1198,12 +1199,10 @@ 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;
        }
 
@@ -1240,7 +1239,7 @@ try_next_bio:
        }
        spin_unlock(&pd->lock);
        if (!bio) {
-               pkt_dbg(2, "no bio\n");
+               pkt_dbg(2, pd, "no bio\n");
                return 0;
        }
 
@@ -1256,10 +1255,10 @@ 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;
@@ -1312,7 +1311,7 @@ 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.
@@ -1323,7 +1322,7 @@ 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)) {
@@ -1355,7 +1354,7 @@ 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) {
@@ -1394,7 +1393,7 @@ 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;
@@ -1415,8 +1414,6 @@ static void pkt_handle_packets(struct pktcdvd_device *pd)
 {
        struct packet_data *pkt, *next;
 
-       pkt_dbg(2, "\n");
-
        /*
         * Run state machine for active packets
         */
@@ -1498,7 +1495,7 @@ 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]);
                        }
@@ -1509,9 +1506,9 @@ 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();
@@ -1808,7 +1805,7 @@ 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;
        }
@@ -2124,7 +2121,7 @@ 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;
@@ -2142,12 +2139,12 @@ 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;
        }
 
@@ -2159,26 +2156,26 @@ 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;
@@ -2255,7 +2252,7 @@ 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);
 
@@ -2277,8 +2274,6 @@ 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));
@@ -2313,7 +2308,6 @@ 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;
@@ -2394,7 +2388,7 @@ 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));
 
@@ -2649,7 +2643,7 @@ 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:
@@ -2664,7 +2658,7 @@ 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);
@@ -2689,7 +2683,7 @@ 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);
@@ -2838,7 +2832,7 @@ 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;
        }
@@ -2858,7 +2852,7 @@ 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);