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Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/aoe/aoecmd.c1
-rw-r--r--drivers/block/cciss_scsi.c1
-rw-r--r--drivers/block/mtip32xx/mtip32xx.c38
-rw-r--r--drivers/block/mtip32xx/mtip32xx.h10
-rw-r--r--drivers/block/nbd.c9
-rw-r--r--drivers/block/nvme.c155
-rw-r--r--drivers/block/rbd.c7
-rw-r--r--drivers/block/xen-blkback/blkback.c2
8 files changed, 151 insertions, 72 deletions
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index de0435e63b02..887f68f6d79a 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -35,6 +35,7 @@ new_skb(ulong len)
skb_reset_mac_header(skb);
skb_reset_network_header(skb);
skb->protocol = __constant_htons(ETH_P_AOE);
+ skb_checksum_none_assert(skb);
}
return skb;
}
diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c
index 38aa6dda6b81..da3311129a0c 100644
--- a/drivers/block/cciss_scsi.c
+++ b/drivers/block/cciss_scsi.c
@@ -795,6 +795,7 @@ static void complete_scsi_command(CommandList_struct *c, int timeout,
}
break;
case CMD_PROTOCOL_ERR:
+ cmd->result = DID_ERROR << 16;
dev_warn(&h->pdev->dev,
"%p has protocol error\n", c);
break;
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index a8fddeb3d638..f946d31d6917 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -1148,11 +1148,15 @@ static bool mtip_pause_ncq(struct mtip_port *port,
reply = port->rxfis + RX_FIS_D2H_REG;
task_file_data = readl(port->mmio+PORT_TFDATA);
- if ((task_file_data & 1) || (fis->command == ATA_CMD_SEC_ERASE_UNIT))
+ if (fis->command == ATA_CMD_SEC_ERASE_UNIT)
+ clear_bit(MTIP_DDF_SEC_LOCK_BIT, &port->dd->dd_flag);
+
+ if ((task_file_data & 1))
return false;
if (fis->command == ATA_CMD_SEC_ERASE_PREP) {
set_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags);
+ set_bit(MTIP_DDF_SEC_LOCK_BIT, &port->dd->dd_flag);
port->ic_pause_timer = jiffies;
return true;
} else if ((fis->command == ATA_CMD_DOWNLOAD_MICRO) &&
@@ -1900,7 +1904,7 @@ static int exec_drive_command(struct mtip_port *port, u8 *command,
int rv = 0, xfer_sz = command[3];
if (xfer_sz) {
- if (user_buffer)
+ if (!user_buffer)
return -EFAULT;
buf = dmam_alloc_coherent(&port->dd->pdev->dev,
@@ -2043,7 +2047,7 @@ static void mtip_set_timeout(struct host_to_dev_fis *fis, unsigned int *timeout)
*timeout = 240000; /* 4 minutes */
break;
case ATA_CMD_STANDBYNOW1:
- *timeout = 10000; /* 10 seconds */
+ *timeout = 120000; /* 2 minutes */
break;
case 0xF7:
case 0xFA:
@@ -2588,9 +2592,6 @@ static ssize_t mtip_hw_read_registers(struct file *f, char __user *ubuf,
if (!len || size)
return 0;
- if (size < 0)
- return -EINVAL;
-
size += sprintf(&buf[size], "H/ S ACTive : [ 0x");
for (n = dd->slot_groups-1; n >= 0; n--)
@@ -2660,9 +2661,6 @@ static ssize_t mtip_hw_read_flags(struct file *f, char __user *ubuf,
if (!len || size)
return 0;
- if (size < 0)
- return -EINVAL;
-
size += sprintf(&buf[size], "Flag-port : [ %08lX ]\n",
dd->port->flags);
size += sprintf(&buf[size], "Flag-dd : [ %08lX ]\n",
@@ -3214,8 +3212,8 @@ static int mtip_hw_init(struct driver_data *dd)
"Unable to check write protect progress\n");
else
dev_info(&dd->pdev->dev,
- "Write protect progress: %d%% (%d blocks)\n",
- attr242.cur, attr242.data);
+ "Write protect progress: %u%% (%u blocks)\n",
+ attr242.cur, le32_to_cpu(attr242.data));
return rv;
out3:
@@ -3619,6 +3617,10 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio)
bio_endio(bio, -ENODATA);
return;
}
+ if (unlikely(test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag))) {
+ bio_endio(bio, -ENODATA);
+ return;
+ }
}
if (unlikely(!bio_has_data(bio))) {
@@ -4168,7 +4170,13 @@ static void mtip_pci_shutdown(struct pci_dev *pdev)
/* Table of device ids supported by this driver. */
static DEFINE_PCI_DEVICE_TABLE(mtip_pci_tbl) = {
- { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320_DEVICE_ID) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320H_DEVICE_ID) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320M_DEVICE_ID) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320S_DEVICE_ID) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P325M_DEVICE_ID) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P420H_DEVICE_ID) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P420M_DEVICE_ID) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P425M_DEVICE_ID) },
{ 0 }
};
@@ -4199,12 +4207,12 @@ static int __init mtip_init(void)
{
int error;
- printk(KERN_INFO MTIP_DRV_NAME " Version " MTIP_DRV_VERSION "\n");
+ pr_info(MTIP_DRV_NAME " Version " MTIP_DRV_VERSION "\n");
/* Allocate a major block device number to use with this driver. */
error = register_blkdev(0, MTIP_DRV_NAME);
if (error <= 0) {
- printk(KERN_ERR "Unable to register block device (%d)\n",
+ pr_err("Unable to register block device (%d)\n",
error);
return -EBUSY;
}
@@ -4213,7 +4221,7 @@ static int __init mtip_init(void)
if (!dfs_parent) {
dfs_parent = debugfs_create_dir("rssd", NULL);
if (IS_ERR_OR_NULL(dfs_parent)) {
- printk(KERN_WARNING "Error creating debugfs parent\n");
+ pr_warn("Error creating debugfs parent\n");
dfs_parent = NULL;
}
}
diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h
index f51fc23d17bb..18627a1d04c5 100644
--- a/drivers/block/mtip32xx/mtip32xx.h
+++ b/drivers/block/mtip32xx/mtip32xx.h
@@ -76,7 +76,13 @@
/* Micron Vendor ID & P320x SSD Device ID */
#define PCI_VENDOR_ID_MICRON 0x1344
-#define P320_DEVICE_ID 0x5150
+#define P320H_DEVICE_ID 0x5150
+#define P320M_DEVICE_ID 0x5151
+#define P320S_DEVICE_ID 0x5152
+#define P325M_DEVICE_ID 0x5153
+#define P420H_DEVICE_ID 0x5160
+#define P420M_DEVICE_ID 0x5161
+#define P425M_DEVICE_ID 0x5163
/* Driver name and version strings */
#define MTIP_DRV_NAME "mtip32xx"
@@ -131,10 +137,12 @@ enum {
MTIP_PF_SVC_THD_STOP_BIT = 8,
/* below are bit numbers in 'dd_flag' defined in driver_data */
+ MTIP_DDF_SEC_LOCK_BIT = 0,
MTIP_DDF_REMOVE_PENDING_BIT = 1,
MTIP_DDF_OVER_TEMP_BIT = 2,
MTIP_DDF_WRITE_PROTECT_BIT = 3,
MTIP_DDF_STOP_IO = ((1 << MTIP_DDF_REMOVE_PENDING_BIT) | \
+ (1 << MTIP_DDF_SEC_LOCK_BIT) | \
(1 << MTIP_DDF_OVER_TEMP_BIT) | \
(1 << MTIP_DDF_WRITE_PROTECT_BIT)),
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index d07c9f7fded6..0c03411c59eb 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -449,6 +449,14 @@ static void nbd_clear_que(struct nbd_device *nbd)
req->errors++;
nbd_end_request(req);
}
+
+ while (!list_empty(&nbd->waiting_queue)) {
+ req = list_entry(nbd->waiting_queue.next, struct request,
+ queuelist);
+ list_del_init(&req->queuelist);
+ req->errors++;
+ nbd_end_request(req);
+ }
}
@@ -598,6 +606,7 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd,
nbd->file = NULL;
nbd_clear_que(nbd);
BUG_ON(!list_empty(&nbd->queue_head));
+ BUG_ON(!list_empty(&nbd->waiting_queue));
if (file)
fput(file);
return 0;
diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c
index 38a2d0631882..931769e133e5 100644
--- a/drivers/block/nvme.c
+++ b/drivers/block/nvme.c
@@ -79,6 +79,7 @@ struct nvme_dev {
char serial[20];
char model[40];
char firmware_rev[8];
+ u32 max_hw_sectors;
};
/*
@@ -835,15 +836,15 @@ static int nvme_identify(struct nvme_dev *dev, unsigned nsid, unsigned cns,
}
static int nvme_get_features(struct nvme_dev *dev, unsigned fid,
- unsigned dword11, dma_addr_t dma_addr)
+ unsigned nsid, dma_addr_t dma_addr)
{
struct nvme_command c;
memset(&c, 0, sizeof(c));
c.features.opcode = nvme_admin_get_features;
+ c.features.nsid = cpu_to_le32(nsid);
c.features.prp1 = cpu_to_le64(dma_addr);
c.features.fid = cpu_to_le32(fid);
- c.features.dword11 = cpu_to_le32(dword11);
return nvme_submit_admin_cmd(dev, &c, NULL);
}
@@ -862,11 +863,51 @@ static int nvme_set_features(struct nvme_dev *dev, unsigned fid,
return nvme_submit_admin_cmd(dev, &c, result);
}
+/**
+ * nvme_cancel_ios - Cancel outstanding I/Os
+ * @queue: The queue to cancel I/Os on
+ * @timeout: True to only cancel I/Os which have timed out
+ */
+static void nvme_cancel_ios(struct nvme_queue *nvmeq, bool timeout)
+{
+ int depth = nvmeq->q_depth - 1;
+ struct nvme_cmd_info *info = nvme_cmd_info(nvmeq);
+ unsigned long now = jiffies;
+ int cmdid;
+
+ for_each_set_bit(cmdid, nvmeq->cmdid_data, depth) {
+ void *ctx;
+ nvme_completion_fn fn;
+ static struct nvme_completion cqe = {
+ .status = cpu_to_le16(NVME_SC_ABORT_REQ) << 1,
+ };
+
+ if (timeout && !time_after(now, info[cmdid].timeout))
+ continue;
+ dev_warn(nvmeq->q_dmadev, "Cancelling I/O %d\n", cmdid);
+ ctx = cancel_cmdid(nvmeq, cmdid, &fn);
+ fn(nvmeq->dev, ctx, &cqe);
+ }
+}
+
+static void nvme_free_queue_mem(struct nvme_queue *nvmeq)
+{
+ dma_free_coherent(nvmeq->q_dmadev, CQ_SIZE(nvmeq->q_depth),
+ (void *)nvmeq->cqes, nvmeq->cq_dma_addr);
+ dma_free_coherent(nvmeq->q_dmadev, SQ_SIZE(nvmeq->q_depth),
+ nvmeq->sq_cmds, nvmeq->sq_dma_addr);
+ kfree(nvmeq);
+}
+
static void nvme_free_queue(struct nvme_dev *dev, int qid)
{
struct nvme_queue *nvmeq = dev->queues[qid];
int vector = dev->entry[nvmeq->cq_vector].vector;
+ spin_lock_irq(&nvmeq->q_lock);
+ nvme_cancel_ios(nvmeq, false);
+ spin_unlock_irq(&nvmeq->q_lock);
+
irq_set_affinity_hint(vector, NULL);
free_irq(vector, nvmeq);
@@ -876,18 +917,15 @@ static void nvme_free_queue(struct nvme_dev *dev, int qid)
adapter_delete_cq(dev, qid);
}
- dma_free_coherent(nvmeq->q_dmadev, CQ_SIZE(nvmeq->q_depth),
- (void *)nvmeq->cqes, nvmeq->cq_dma_addr);
- dma_free_coherent(nvmeq->q_dmadev, SQ_SIZE(nvmeq->q_depth),
- nvmeq->sq_cmds, nvmeq->sq_dma_addr);
- kfree(nvmeq);
+ nvme_free_queue_mem(nvmeq);
}
static struct nvme_queue *nvme_alloc_queue(struct nvme_dev *dev, int qid,
int depth, int vector)
{
struct device *dmadev = &dev->pci_dev->dev;
- unsigned extra = (depth / 8) + (depth * sizeof(struct nvme_cmd_info));
+ unsigned extra = DIV_ROUND_UP(depth, 8) + (depth *
+ sizeof(struct nvme_cmd_info));
struct nvme_queue *nvmeq = kzalloc(sizeof(*nvmeq) + extra, GFP_KERNEL);
if (!nvmeq)
return NULL;
@@ -975,7 +1013,7 @@ static __devinit struct nvme_queue *nvme_create_queue(struct nvme_dev *dev,
static int __devinit nvme_configure_admin_queue(struct nvme_dev *dev)
{
- int result;
+ int result = 0;
u32 aqa;
u64 cap;
unsigned long timeout;
@@ -1005,17 +1043,22 @@ static int __devinit nvme_configure_admin_queue(struct nvme_dev *dev)
timeout = ((NVME_CAP_TIMEOUT(cap) + 1) * HZ / 2) + jiffies;
dev->db_stride = NVME_CAP_STRIDE(cap);
- while (!(readl(&dev->bar->csts) & NVME_CSTS_RDY)) {
+ while (!result && !(readl(&dev->bar->csts) & NVME_CSTS_RDY)) {
msleep(100);
if (fatal_signal_pending(current))
- return -EINTR;
+ result = -EINTR;
if (time_after(jiffies, timeout)) {
dev_err(&dev->pci_dev->dev,
"Device not ready; aborting initialisation\n");
- return -ENODEV;
+ result = -ENODEV;
}
}
+ if (result) {
+ nvme_free_queue_mem(nvmeq);
+ return result;
+ }
+
result = queue_request_irq(dev, nvmeq, "nvme admin");
dev->queues[0] = nvmeq;
return result;
@@ -1037,6 +1080,8 @@ static struct nvme_iod *nvme_map_user_pages(struct nvme_dev *dev, int write,
offset = offset_in_page(addr);
count = DIV_ROUND_UP(offset + length, PAGE_SIZE);
pages = kcalloc(count, sizeof(*pages), GFP_KERNEL);
+ if (!pages)
+ return ERR_PTR(-ENOMEM);
err = get_user_pages_fast(addr, count, 1, pages);
if (err < count) {
@@ -1146,14 +1191,13 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
return status;
}
-static int nvme_user_admin_cmd(struct nvme_ns *ns,
+static int nvme_user_admin_cmd(struct nvme_dev *dev,
struct nvme_admin_cmd __user *ucmd)
{
- struct nvme_dev *dev = ns->dev;
struct nvme_admin_cmd cmd;
struct nvme_command c;
int status, length;
- struct nvme_iod *iod;
+ struct nvme_iod *uninitialized_var(iod);
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
@@ -1204,7 +1248,7 @@ static int nvme_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
case NVME_IOCTL_ID:
return ns->ns_id;
case NVME_IOCTL_ADMIN_CMD:
- return nvme_user_admin_cmd(ns, (void __user *)arg);
+ return nvme_user_admin_cmd(ns->dev, (void __user *)arg);
case NVME_IOCTL_SUBMIT_IO:
return nvme_submit_io(ns, (void __user *)arg);
default:
@@ -1218,26 +1262,6 @@ static const struct block_device_operations nvme_fops = {
.compat_ioctl = nvme_ioctl,
};
-static void nvme_timeout_ios(struct nvme_queue *nvmeq)
-{
- int depth = nvmeq->q_depth - 1;
- struct nvme_cmd_info *info = nvme_cmd_info(nvmeq);
- unsigned long now = jiffies;
- int cmdid;
-
- for_each_set_bit(cmdid, nvmeq->cmdid_data, depth) {
- void *ctx;
- nvme_completion_fn fn;
- static struct nvme_completion cqe = { .status = cpu_to_le16(NVME_SC_ABORT_REQ) << 1, };
-
- if (!time_after(now, info[cmdid].timeout))
- continue;
- dev_warn(nvmeq->q_dmadev, "Timing out I/O %d\n", cmdid);
- ctx = cancel_cmdid(nvmeq, cmdid, &fn);
- fn(nvmeq->dev, ctx, &cqe);
- }
-}
-
static void nvme_resubmit_bios(struct nvme_queue *nvmeq)
{
while (bio_list_peek(&nvmeq->sq_cong)) {
@@ -1269,7 +1293,7 @@ static int nvme_kthread(void *data)
spin_lock_irq(&nvmeq->q_lock);
if (nvme_process_cq(nvmeq))
printk("process_cq did something\n");
- nvme_timeout_ios(nvmeq);
+ nvme_cancel_ios(nvmeq, true);
nvme_resubmit_bios(nvmeq);
spin_unlock_irq(&nvmeq->q_lock);
}
@@ -1339,6 +1363,9 @@ static struct nvme_ns *nvme_alloc_ns(struct nvme_dev *dev, int nsid,
ns->disk = disk;
lbaf = id->flbas & 0xf;
ns->lba_shift = id->lbaf[lbaf].ds;
+ blk_queue_logical_block_size(ns->queue, 1 << ns->lba_shift);
+ if (dev->max_hw_sectors)
+ blk_queue_max_hw_sectors(ns->queue, dev->max_hw_sectors);
disk->major = nvme_major;
disk->minors = NVME_MINORS;
@@ -1383,7 +1410,7 @@ static int set_queue_count(struct nvme_dev *dev, int count)
static int __devinit nvme_setup_io_queues(struct nvme_dev *dev)
{
- int result, cpu, i, nr_io_queues, db_bar_size;
+ int result, cpu, i, nr_io_queues, db_bar_size, q_depth;
nr_io_queues = num_online_cpus();
result = set_queue_count(dev, nr_io_queues);
@@ -1429,9 +1456,10 @@ static int __devinit nvme_setup_io_queues(struct nvme_dev *dev)
cpu = cpumask_next(cpu, cpu_online_mask);
}
+ q_depth = min_t(int, NVME_CAP_MQES(readq(&dev->bar->cap)) + 1,
+ NVME_Q_DEPTH);
for (i = 0; i < nr_io_queues; i++) {
- dev->queues[i + 1] = nvme_create_queue(dev, i + 1,
- NVME_Q_DEPTH, i);
+ dev->queues[i + 1] = nvme_create_queue(dev, i + 1, q_depth, i);
if (IS_ERR(dev->queues[i + 1]))
return PTR_ERR(dev->queues[i + 1]);
dev->queue_count++;
@@ -1480,6 +1508,10 @@ static int __devinit nvme_dev_add(struct nvme_dev *dev)
memcpy(dev->serial, ctrl->sn, sizeof(ctrl->sn));
memcpy(dev->model, ctrl->mn, sizeof(ctrl->mn));
memcpy(dev->firmware_rev, ctrl->fr, sizeof(ctrl->fr));
+ if (ctrl->mdts) {
+ int shift = NVME_CAP_MPSMIN(readq(&dev->bar->cap)) + 12;
+ dev->max_hw_sectors = 1 << (ctrl->mdts + shift - 9);
+ }
id_ns = mem;
for (i = 1; i <= nn; i++) {
@@ -1523,8 +1555,6 @@ static int nvme_dev_remove(struct nvme_dev *dev)
list_del(&dev->node);
spin_unlock(&dev_list_lock);
- /* TODO: wait all I/O finished or cancel them */
-
list_for_each_entry_safe(ns, next, &dev->namespaces, list) {
list_del(&ns->list);
del_gendisk(ns->disk);
@@ -1560,15 +1590,33 @@ static void nvme_release_prp_pools(struct nvme_dev *dev)
dma_pool_destroy(dev->prp_small_pool);
}
-/* XXX: Use an ida or something to let remove / add work correctly */
-static void nvme_set_instance(struct nvme_dev *dev)
+static DEFINE_IDA(nvme_instance_ida);
+
+static int nvme_set_instance(struct nvme_dev *dev)
{
- static int instance;
- dev->instance = instance++;
+ int instance, error;
+
+ do {
+ if (!ida_pre_get(&nvme_instance_ida, GFP_KERNEL))
+ return -ENODEV;
+
+ spin_lock(&dev_list_lock);
+ error = ida_get_new(&nvme_instance_ida, &instance);
+ spin_unlock(&dev_list_lock);
+ } while (error == -EAGAIN);
+
+ if (error)
+ return -ENODEV;
+
+ dev->instance = instance;
+ return 0;
}
static void nvme_release_instance(struct nvme_dev *dev)
{
+ spin_lock(&dev_list_lock);
+ ida_remove(&nvme_instance_ida, dev->instance);
+ spin_unlock(&dev_list_lock);
}
static int __devinit nvme_probe(struct pci_dev *pdev,
@@ -1601,7 +1649,10 @@ static int __devinit nvme_probe(struct pci_dev *pdev,
pci_set_drvdata(pdev, dev);
dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
- nvme_set_instance(dev);
+ result = nvme_set_instance(dev);
+ if (result)
+ goto disable;
+
dev->entry[0].vector = pdev->irq;
result = nvme_setup_prp_pools(dev);
@@ -1675,7 +1726,7 @@ static void __devexit nvme_remove(struct pci_dev *pdev)
#define nvme_suspend NULL
#define nvme_resume NULL
-static struct pci_error_handlers nvme_err_handler = {
+static const struct pci_error_handlers nvme_err_handler = {
.error_detected = nvme_error_detected,
.mmio_enabled = nvme_dump_registers,
.link_reset = nvme_link_reset,
@@ -1704,15 +1755,17 @@ static struct pci_driver nvme_driver = {
static int __init nvme_init(void)
{
- int result = -EBUSY;
+ int result;
nvme_thread = kthread_run(nvme_kthread, NULL, "nvme");
if (IS_ERR(nvme_thread))
return PTR_ERR(nvme_thread);
- nvme_major = register_blkdev(nvme_major, "nvme");
- if (nvme_major <= 0)
+ result = register_blkdev(nvme_major, "nvme");
+ if (result < 0)
goto kill_kthread;
+ else if (result > 0)
+ nvme_major = result;
result = pci_register_driver(&nvme_driver);
if (result)
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 9917943a3572..54a55f03115d 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -246,13 +246,12 @@ static int rbd_open(struct block_device *bdev, fmode_t mode)
{
struct rbd_device *rbd_dev = bdev->bd_disk->private_data;
- rbd_get_dev(rbd_dev);
-
- set_device_ro(bdev, rbd_dev->read_only);
-
if ((mode & FMODE_WRITE) && rbd_dev->read_only)
return -EROFS;
+ rbd_get_dev(rbd_dev);
+ set_device_ro(bdev, rbd_dev->read_only);
+
return 0;
}
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 73f196ca713f..c6decb901e5e 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -337,7 +337,7 @@ static void xen_blkbk_unmap(struct pending_req *req)
invcount++;
}
- ret = gnttab_unmap_refs(unmap, pages, invcount, false);
+ ret = gnttab_unmap_refs(unmap, NULL, pages, invcount);
BUG_ON(ret);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 01:58:00 +0000