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-rw-r--r--MAINTAINERS1
-rw-r--r--block/blk-core.c3
-rw-r--r--block/blk-mq.c2
-rw-r--r--block/blk-mq.h1
-rw-r--r--drivers/block/brd.c3
-rw-r--r--drivers/nvme/host/pci.c15
-rw-r--r--fs/block_dev.c15
-rw-r--r--fs/dax.c4
-rw-r--r--include/linux/blk_types.h2
9 files changed, 33 insertions, 13 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 8d941d6818cd..ecc43c255eb8 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 2bbf08cd2900..5131993b23a1 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 86bd5b25288e..3ae09de62f19 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 b44dce165761..713820b47b31 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 c9f9c30d6467..a5880f4ab40e 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 3dfc28875cc3..8187df204695 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 0a793c7930eb..bb0dfb1c7af1 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)
diff --git a/fs/dax.c b/fs/dax.c
index 131fd35ae39d..8e17b371aeb8 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -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 641e5a3ed58c..0fb65843ec1e 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 */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 01:50:10 +0000