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path: root/drivers/block/rsxx/dev.c
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Diffstat (limited to 'drivers/block/rsxx/dev.c')
-rw-r--r--drivers/block/rsxx/dev.c33
1 files changed, 12 insertions, 21 deletions
diff --git a/drivers/block/rsxx/dev.c b/drivers/block/rsxx/dev.c
index 4346d17..d7af441 100644
--- a/drivers/block/rsxx/dev.c
+++ b/drivers/block/rsxx/dev.c
@@ -155,7 +155,8 @@ static void bio_dma_done_cb(struct rsxx_cardinfo *card,
atomic_set(&meta->error, 1);
if (atomic_dec_and_test(&meta->pending_dmas)) {
- disk_stats_complete(card, meta->bio, meta->start_time);
+ if (!card->eeh_state && card->gendisk)
+ disk_stats_complete(card, meta->bio, meta->start_time);
bio_endio(meta->bio, atomic_read(&meta->error) ? -EIO : 0);
kmem_cache_free(bio_meta_pool, meta);
@@ -170,6 +171,12 @@ static void rsxx_make_request(struct request_queue *q, struct bio *bio)
might_sleep();
+ if (!card)
+ goto req_err;
+
+ if (bio->bi_sector + (bio->bi_size >> 9) > get_capacity(card->gendisk))
+ goto req_err;
+
if (unlikely(card->halt)) {
st = -EFAULT;
goto req_err;
@@ -196,7 +203,8 @@ static void rsxx_make_request(struct request_queue *q, struct bio *bio)
atomic_set(&bio_meta->pending_dmas, 0);
bio_meta->start_time = jiffies;
- disk_stats_start(card, bio);
+ if (!unlikely(card->halt))
+ disk_stats_start(card, bio);
dev_dbg(CARD_TO_DEV(card), "BIO[%c]: meta: %p addr8: x%llx size: %d\n",
bio_data_dir(bio) ? 'W' : 'R', bio_meta,
@@ -225,24 +233,6 @@ static bool rsxx_discard_supported(struct rsxx_cardinfo *card)
return (pci_rev >= RSXX_DISCARD_SUPPORT);
}
-static unsigned short rsxx_get_logical_block_size(
- struct rsxx_cardinfo *card)
-{
- u32 capabilities = 0;
- int st;
-
- st = rsxx_get_card_capabilities(card, &capabilities);
- if (st)
- dev_warn(CARD_TO_DEV(card),
- "Failed reading card capabilities register\n");
-
- /* Earlier firmware did not have support for 512 byte accesses */
- if (capabilities & CARD_CAP_SUBPAGE_WRITES)
- return 512;
- else
- return RSXX_HW_BLK_SIZE;
-}
-
int rsxx_attach_dev(struct rsxx_cardinfo *card)
{
mutex_lock(&card->dev_lock);
@@ -305,7 +295,7 @@ int rsxx_setup_dev(struct rsxx_cardinfo *card)
return -ENOMEM;
}
- blk_size = rsxx_get_logical_block_size(card);
+ blk_size = card->config.data.block_size;
blk_queue_make_request(card->queue, rsxx_make_request);
blk_queue_bounce_limit(card->queue, BLK_BOUNCE_ANY);
@@ -347,6 +337,7 @@ void rsxx_destroy_dev(struct rsxx_cardinfo *card)
card->gendisk = NULL;
blk_cleanup_queue(card->queue);
+ card->queue->queuedata = NULL;
unregister_blkdev(card->major, DRIVER_NAME);
}