diff options
Diffstat (limited to 'drivers/block/ps3disk.c')
| -rw-r--r-- | drivers/block/ps3disk.c | 73 |
1 files changed, 30 insertions, 43 deletions
diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c index aaeeb544228..c120d70d3fb 100644 --- a/drivers/block/ps3disk.c +++ b/drivers/block/ps3disk.c @@ -20,6 +20,8 @@ #include <linux/ata.h> #include <linux/blkdev.h> +#include <linux/slab.h> +#include <linux/module.h> #include <asm/lv1call.h> #include <asm/ps3stor.h> @@ -82,7 +84,7 @@ enum lv1_ata_in_out { static int ps3disk_major; -static struct block_device_operations ps3disk_fops = { +static const struct block_device_operations ps3disk_fops = { .owner = THIS_MODULE, }; @@ -92,27 +94,26 @@ static void ps3disk_scatter_gather(struct ps3_storage_device *dev, { unsigned int offset = 0; struct req_iterator iter; - struct bio_vec *bvec; + struct bio_vec bvec; unsigned int i = 0; size_t size; void *buf; rq_for_each_segment(bvec, req, iter) { unsigned long flags; - dev_dbg(&dev->sbd.core, - "%s:%u: bio %u: %u segs %u sectors from %lu\n", - __func__, __LINE__, i, bio_segments(iter.bio), - bio_sectors(iter.bio), iter.bio->bi_sector); + dev_dbg(&dev->sbd.core, "%s:%u: bio %u: %u sectors from %lu\n", + __func__, __LINE__, i, bio_sectors(iter.bio), + iter.bio->bi_iter.bi_sector); - size = bvec->bv_len; - buf = bvec_kmap_irq(bvec, &flags); + size = bvec.bv_len; + buf = bvec_kmap_irq(&bvec, &flags); if (gather) memcpy(dev->bounce_buf+offset, buf, size); else memcpy(buf, dev->bounce_buf+offset, size); offset += size; - flush_kernel_dcache_page(bvec->bv_page); - bvec_kunmap_irq(bvec, &flags); + flush_kernel_dcache_page(bvec.bv_page); + bvec_kunmap_irq(buf, &flags); i++; } } @@ -120,7 +121,7 @@ static void ps3disk_scatter_gather(struct ps3_storage_device *dev, static int ps3disk_submit_request_sg(struct ps3_storage_device *dev, struct request *req) { - struct ps3disk_private *priv = dev->sbd.core.driver_data; + struct ps3disk_private *priv = ps3_system_bus_get_drvdata(&dev->sbd); int write = rq_data_dir(req), res; const char *op = write ? "write" : "read"; u64 start_sector, sectors; @@ -128,7 +129,7 @@ static int ps3disk_submit_request_sg(struct ps3_storage_device *dev, #ifdef DEBUG unsigned int n = 0; - struct bio_vec *bv; + struct bio_vec bv; struct req_iterator iter; rq_for_each_segment(bv, req, iter) @@ -168,7 +169,7 @@ static int ps3disk_submit_request_sg(struct ps3_storage_device *dev, static int ps3disk_submit_flush_request(struct ps3_storage_device *dev, struct request *req) { - struct ps3disk_private *priv = dev->sbd.core.driver_data; + struct ps3disk_private *priv = ps3_system_bus_get_drvdata(&dev->sbd); u64 res; dev_dbg(&dev->sbd.core, "%s:%u: flush request\n", __func__, __LINE__); @@ -195,13 +196,12 @@ static void ps3disk_do_request(struct ps3_storage_device *dev, dev_dbg(&dev->sbd.core, "%s:%u\n", __func__, __LINE__); while ((req = blk_fetch_request(q))) { - if (blk_fs_request(req)) { - if (ps3disk_submit_request_sg(dev, req)) - break; - } else if (req->cmd_type == REQ_TYPE_LINUX_BLOCK && - req->cmd[0] == REQ_LB_OP_FLUSH) { + if (req->cmd_flags & REQ_FLUSH) { if (ps3disk_submit_flush_request(dev, req)) break; + } else if (req->cmd_type == REQ_TYPE_FS) { + if (ps3disk_submit_request_sg(dev, req)) + break; } else { blk_dump_rq_flags(req, DEVICE_NAME " bad request"); __blk_end_request_all(req, -EIO); @@ -213,7 +213,7 @@ static void ps3disk_do_request(struct ps3_storage_device *dev, static void ps3disk_request(struct request_queue *q) { struct ps3_storage_device *dev = q->queuedata; - struct ps3disk_private *priv = dev->sbd.core.driver_data; + struct ps3disk_private *priv = ps3_system_bus_get_drvdata(&dev->sbd); if (priv->req) { dev_dbg(&dev->sbd.core, "%s:%u busy\n", __func__, __LINE__); @@ -245,7 +245,7 @@ static irqreturn_t ps3disk_interrupt(int irq, void *data) return IRQ_HANDLED; } - priv = dev->sbd.core.driver_data; + priv = ps3_system_bus_get_drvdata(&dev->sbd); req = priv->req; if (!req) { dev_dbg(&dev->sbd.core, @@ -256,8 +256,7 @@ static irqreturn_t ps3disk_interrupt(int irq, void *data) return IRQ_HANDLED; } - if (req->cmd_type == REQ_TYPE_LINUX_BLOCK && - req->cmd[0] == REQ_LB_OP_FLUSH) { + if (req->cmd_flags & REQ_FLUSH) { read = 0; op = "flush"; } else { @@ -364,7 +363,7 @@ static void ata_id_c_string(const u16 *id, unsigned char *s, unsigned int ofs, static int ps3disk_identify(struct ps3_storage_device *dev) { - struct ps3disk_private *priv = dev->sbd.core.driver_data; + struct ps3disk_private *priv = ps3_system_bus_get_drvdata(&dev->sbd); struct lv1_ata_cmnd_block ata_cmnd; u16 *id = dev->bounce_buf; u64 res; @@ -397,21 +396,11 @@ static int ps3disk_identify(struct ps3_storage_device *dev) return 0; } -static void ps3disk_prepare_flush(struct request_queue *q, struct request *req) -{ - struct ps3_storage_device *dev = q->queuedata; - - dev_dbg(&dev->sbd.core, "%s:%u\n", __func__, __LINE__); - - req->cmd_type = REQ_TYPE_LINUX_BLOCK; - req->cmd[0] = REQ_LB_OP_FLUSH; -} - static unsigned long ps3disk_mask; static DEFINE_MUTEX(ps3disk_mask_mutex); -static int __devinit ps3disk_probe(struct ps3_system_bus_device *_dev) +static int ps3disk_probe(struct ps3_system_bus_device *_dev) { struct ps3_storage_device *dev = to_ps3_storage_device(&_dev->core); struct ps3disk_private *priv; @@ -445,7 +434,7 @@ static int __devinit ps3disk_probe(struct ps3_system_bus_device *_dev) goto fail; } - dev->sbd.core.driver_data = priv; + ps3_system_bus_set_drvdata(_dev, priv); spin_lock_init(&priv->lock); dev->bounce_size = BOUNCE_SIZE; @@ -474,16 +463,14 @@ static int __devinit ps3disk_probe(struct ps3_system_bus_device *_dev) blk_queue_bounce_limit(queue, BLK_BOUNCE_HIGH); - blk_queue_max_sectors(queue, dev->bounce_size >> 9); + blk_queue_max_hw_sectors(queue, dev->bounce_size >> 9); blk_queue_segment_boundary(queue, -1UL); blk_queue_dma_alignment(queue, dev->blk_size-1); blk_queue_logical_block_size(queue, dev->blk_size); - blk_queue_ordered(queue, QUEUE_ORDERED_DRAIN_FLUSH, - ps3disk_prepare_flush); + blk_queue_flush(queue, REQ_FLUSH); - blk_queue_max_phys_segments(queue, -1); - blk_queue_max_hw_segments(queue, -1); + blk_queue_max_segments(queue, -1); blk_queue_max_segment_size(queue, dev->bounce_size); gendisk = alloc_disk(PS3DISK_MINORS); @@ -523,7 +510,7 @@ fail_free_bounce: kfree(dev->bounce_buf); fail_free_priv: kfree(priv); - dev->sbd.core.driver_data = NULL; + ps3_system_bus_set_drvdata(_dev, NULL); fail: mutex_lock(&ps3disk_mask_mutex); __clear_bit(devidx, &ps3disk_mask); @@ -534,7 +521,7 @@ fail: static int ps3disk_remove(struct ps3_system_bus_device *_dev) { struct ps3_storage_device *dev = to_ps3_storage_device(&_dev->core); - struct ps3disk_private *priv = dev->sbd.core.driver_data; + struct ps3disk_private *priv = ps3_system_bus_get_drvdata(&dev->sbd); mutex_lock(&ps3disk_mask_mutex); __clear_bit(MINOR(disk_devt(priv->gendisk)) / PS3DISK_MINORS, @@ -548,7 +535,7 @@ static int ps3disk_remove(struct ps3_system_bus_device *_dev) ps3stor_teardown(dev); kfree(dev->bounce_buf); kfree(priv); - dev->sbd.core.driver_data = NULL; + ps3_system_bus_set_drvdata(_dev, NULL); return 0; } |
