diff options
| -rw-r--r-- | MAINTAINERS | 1 | ||||
| -rw-r--r-- | block/blk-core.c | 3 | ||||
| -rw-r--r-- | block/blk-mq.c | 2 | ||||
| -rw-r--r-- | block/blk-mq.h | 1 | ||||
| -rw-r--r-- | drivers/block/brd.c | 3 | ||||
| -rw-r--r-- | drivers/nvme/host/pci.c | 15 | ||||
| -rw-r--r-- | fs/block_dev.c | 15 | ||||
| -rw-r--r-- | fs/dax.c | 4 | ||||
| -rw-r--r-- | include/linux/blk_types.h | 2 |
9 files changed, 33 insertions, 13 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 8d941d6..ecc43c2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2210,6 +2210,7 @@ F: drivers/leds/leds-blinkm.c BLOCK LAYER M: Jens Axboe <axboe@kernel.dk> +L: linux-block@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git S: Maintained F: block/ diff --git a/block/blk-core.c b/block/blk-core.c index 2bbf08c..5131993b 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1575,6 +1575,9 @@ bool bio_attempt_front_merge(struct request_queue *q, struct request *req, * @q: request_queue new bio is being queued at * @bio: new bio being queued * @request_count: out parameter for number of traversed plugged requests + * @same_queue_rq: pointer to &struct request that gets filled in when + * another request associated with @q is found on the plug list + * (optional, may be %NULL) * * Determine whether @bio being queued on @q can be merged with a request * on %current's plugged list. Returns %true if merge was successful, diff --git a/block/blk-mq.c b/block/blk-mq.c index 86bd5b2..3ae09de 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -358,7 +358,7 @@ static void blk_mq_ipi_complete_request(struct request *rq) put_cpu(); } -void __blk_mq_complete_request(struct request *rq) +static void __blk_mq_complete_request(struct request *rq) { struct request_queue *q = rq->q; diff --git a/block/blk-mq.h b/block/blk-mq.h index b44dce1..713820b 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -25,7 +25,6 @@ struct blk_mq_ctx { struct kobject kobj; } ____cacheline_aligned_in_smp; -void __blk_mq_complete_request(struct request *rq); void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async); void blk_mq_freeze_queue(struct request_queue *q); void blk_mq_free_queue(struct request_queue *q); diff --git a/drivers/block/brd.c b/drivers/block/brd.c index c9f9c30..a5880f4 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -337,6 +337,9 @@ static blk_qc_t brd_make_request(struct request_queue *q, struct bio *bio) goto io_error; if (unlikely(bio->bi_rw & REQ_DISCARD)) { + if (sector & ((PAGE_SIZE >> SECTOR_SHIFT) - 1) || + bio->bi_iter.bi_size & PAGE_MASK) + goto io_error; discard_from_brd(brd, sector, bio->bi_iter.bi_size); goto out; } diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 3dfc288..8187df2 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1725,7 +1725,7 @@ static int nvme_configure_admin_queue(struct nvme_dev *dev) { int result; u32 aqa; - u64 cap = readq(&dev->bar->cap); + u64 cap = lo_hi_readq(&dev->bar->cap); struct nvme_queue *nvmeq; unsigned page_shift = PAGE_SHIFT; unsigned dev_page_min = NVME_CAP_MPSMIN(cap) + 12; @@ -1774,8 +1774,8 @@ static int nvme_configure_admin_queue(struct nvme_dev *dev) dev->ctrl_config |= NVME_CC_IOSQES | NVME_CC_IOCQES; writel(aqa, &dev->bar->aqa); - writeq(nvmeq->sq_dma_addr, &dev->bar->asq); - writeq(nvmeq->cq_dma_addr, &dev->bar->acq); + lo_hi_writeq(nvmeq->sq_dma_addr, &dev->bar->asq); + lo_hi_writeq(nvmeq->cq_dma_addr, &dev->bar->acq); result = nvme_enable_ctrl(dev, cap); if (result) @@ -2606,7 +2606,7 @@ static int nvme_dev_add(struct nvme_dev *dev) struct pci_dev *pdev = to_pci_dev(dev->dev); int res; struct nvme_id_ctrl *ctrl; - int shift = NVME_CAP_MPSMIN(readq(&dev->bar->cap)) + 12; + int shift = NVME_CAP_MPSMIN(lo_hi_readq(&dev->bar->cap)) + 12; res = nvme_identify_ctrl(dev, &ctrl); if (res) { @@ -2622,6 +2622,8 @@ static int nvme_dev_add(struct nvme_dev *dev) memcpy(dev->firmware_rev, ctrl->fr, sizeof(ctrl->fr)); if (ctrl->mdts) dev->max_hw_sectors = 1 << (ctrl->mdts + shift - 9); + else + dev->max_hw_sectors = UINT_MAX; if ((pdev->vendor == PCI_VENDOR_ID_INTEL) && (pdev->device == 0x0953) && ctrl->vs[3]) { unsigned int max_hw_sectors; @@ -2695,7 +2697,7 @@ static int nvme_dev_map(struct nvme_dev *dev) goto unmap; } - cap = readq(&dev->bar->cap); + cap = lo_hi_readq(&dev->bar->cap); dev->q_depth = min_t(int, NVME_CAP_MQES(cap) + 1, NVME_Q_DEPTH); dev->db_stride = 1 << NVME_CAP_STRIDE(cap); dev->dbs = ((void __iomem *)dev->bar) + 4096; @@ -2758,7 +2760,7 @@ static void nvme_wait_dq(struct nvme_delq_ctx *dq, struct nvme_dev *dev) * queues than admin tags. */ set_current_state(TASK_RUNNING); - nvme_disable_ctrl(dev, readq(&dev->bar->cap)); + nvme_disable_ctrl(dev, lo_hi_readq(&dev->bar->cap)); nvme_clear_queue(dev->queues[0]); flush_kthread_worker(dq->worker); nvme_disable_queue(dev, 0); @@ -3401,6 +3403,7 @@ static const struct pci_error_handlers nvme_err_handler = { static const struct pci_device_id nvme_id_table[] = { { PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) }, + { PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2001) }, { 0, } }; MODULE_DEVICE_TABLE(pci, nvme_id_table); diff --git a/fs/block_dev.c b/fs/block_dev.c index 0a793c7..bb0dfb1 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -50,12 +50,21 @@ struct block_device *I_BDEV(struct inode *inode) } EXPORT_SYMBOL(I_BDEV); -static void bdev_write_inode(struct inode *inode) +static void bdev_write_inode(struct block_device *bdev) { + struct inode *inode = bdev->bd_inode; + int ret; + spin_lock(&inode->i_lock); while (inode->i_state & I_DIRTY) { spin_unlock(&inode->i_lock); - WARN_ON_ONCE(write_inode_now(inode, true)); + ret = write_inode_now(inode, true); + if (ret) { + char name[BDEVNAME_SIZE]; + pr_warn_ratelimited("VFS: Dirty inode writeback failed " + "for block device %s (err=%d).\n", + bdevname(bdev, name), ret); + } spin_lock(&inode->i_lock); } spin_unlock(&inode->i_lock); @@ -1504,7 +1513,7 @@ static void __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part) * ->release can cause the queue to disappear, so flush all * dirty data before. */ - bdev_write_inode(bdev->bd_inode); + bdev_write_inode(bdev); } if (bdev->bd_contains == bdev) { if (disk->fops->release) @@ -174,8 +174,10 @@ static ssize_t dax_io(struct inode *inode, struct iov_iter *iter, else len = iov_iter_zero(max - pos, iter); - if (!len) + if (!len) { + retval = -EFAULT; break; + } pos += len; addr += len; diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 641e5a3..0fb6584 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -265,7 +265,7 @@ static inline unsigned int blk_qc_t_to_queue_num(blk_qc_t cookie) static inline unsigned int blk_qc_t_to_tag(blk_qc_t cookie) { - return cookie & 0xffff; + return cookie & ((1u << BLK_QC_T_SHIFT) - 1); } #endif /* __LINUX_BLK_TYPES_H */ |
