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authorChristoph Hellwig <hch@lst.de>2020-09-21 09:19:48 +0200
committerJens Axboe <axboe@kernel.dk>2020-09-23 10:43:19 -0600
commit2d9e28a9a10c2381a267a5184560ddc9f673f71b (patch)
treea29f29dddc93ba7d6c24cf7ba285b1ac9529f0bd /drivers/block/pktcdvd.c
parent478162821dfb4396c53f07ad82dc32cd0f525cea (diff)
pktcdvd: remove the if 0'ed pkt_start_recovery function
Remove code which has been dead since the initial commit. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/pktcdvd.c')
-rw-r--r--drivers/block/pktcdvd.c67
1 files changed, 2 insertions, 65 deletions
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 17f2e6ff1223..bc870a5f15f7 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -1082,65 +1082,6 @@ static void pkt_put_packet_data(struct pktcdvd_device *pd, struct packet_data *p
}
}
-/*
- * recover a failed write, query for relocation if possible
- *
- * returns 1 if recovery is possible, or 0 if not
- *
- */
-static int pkt_start_recovery(struct packet_data *pkt)
-{
- /*
- * FIXME. We need help from the file system to implement
- * recovery handling.
- */
- return 0;
-#if 0
- struct request *rq = pkt->rq;
- struct pktcdvd_device *pd = rq->rq_disk->private_data;
- struct block_device *pkt_bdev;
- struct super_block *sb = NULL;
- unsigned long old_block, new_block;
- sector_t new_sector;
-
- pkt_bdev = bdget(kdev_t_to_nr(pd->pkt_dev));
- if (pkt_bdev) {
- sb = get_super(pkt_bdev);
- bdput(pkt_bdev);
- }
-
- if (!sb)
- return 0;
-
- if (!sb->s_op->relocate_blocks)
- goto out;
-
- old_block = pkt->sector / (CD_FRAMESIZE >> 9);
- if (sb->s_op->relocate_blocks(sb, old_block, &new_block))
- goto out;
-
- new_sector = new_block * (CD_FRAMESIZE >> 9);
- pkt->sector = new_sector;
-
- bio_reset(pkt->bio);
- bio_set_dev(pkt->bio, pd->bdev);
- bio_set_op_attrs(pkt->bio, REQ_OP_WRITE, 0);
- pkt->bio->bi_iter.bi_sector = new_sector;
- pkt->bio->bi_iter.bi_size = pkt->frames * CD_FRAMESIZE;
- pkt->bio->bi_vcnt = pkt->frames;
-
- pkt->bio->bi_end_io = pkt_end_io_packet_write;
- pkt->bio->bi_private = pkt;
-
- drop_super(sb);
- return 1;
-
-out:
- drop_super(sb);
- return 0;
-#endif
-}
-
static inline void pkt_set_state(struct packet_data *pkt, enum packet_data_state state)
{
#if PACKET_DEBUG > 1
@@ -1357,12 +1298,8 @@ static void pkt_run_state_machine(struct pktcdvd_device *pd, struct packet_data
break;
case PACKET_RECOVERY_STATE:
- if (pkt_start_recovery(pkt)) {
- pkt_start_write(pd, pkt);
- } else {
- pkt_dbg(2, pd, "No recovery possible\n");
- pkt_set_state(pkt, PACKET_FINISHED_STATE);
- }
+ pkt_dbg(2, pd, "No recovery possible\n");
+ pkt_set_state(pkt, PACKET_FINISHED_STATE);
break;
case PACKET_FINISHED_STATE: