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-rw-r--r--drivers/nvdimm/badrange.c26
-rw-r--r--drivers/nvdimm/blk.c3
-rw-r--r--drivers/nvdimm/btt.c5
-rw-r--r--drivers/nvdimm/bus.c9
-rw-r--r--drivers/nvdimm/claim.c15
-rw-r--r--drivers/nvdimm/nd.h5
-rw-r--r--drivers/nvdimm/pfn_devs.c13
-rw-r--r--drivers/nvdimm/pmem.c37
-rw-r--r--drivers/nvdimm/region.c21
9 files changed, 68 insertions, 66 deletions
diff --git a/drivers/nvdimm/badrange.c b/drivers/nvdimm/badrange.c
index b9eeefa27e3a..aaf6e215a8c6 100644
--- a/drivers/nvdimm/badrange.c
+++ b/drivers/nvdimm/badrange.c
@@ -211,7 +211,7 @@ static void __add_badblock_range(struct badblocks *bb, u64 ns_offset, u64 len)
}
static void badblocks_populate(struct badrange *badrange,
- struct badblocks *bb, const struct resource *res)
+ struct badblocks *bb, const struct range *range)
{
struct badrange_entry *bre;
@@ -222,34 +222,34 @@ static void badblocks_populate(struct badrange *badrange,
u64 bre_end = bre->start + bre->length - 1;
/* Discard intervals with no intersection */
- if (bre_end < res->start)
+ if (bre_end < range->start)
continue;
- if (bre->start > res->end)
+ if (bre->start > range->end)
continue;
/* Deal with any overlap after start of the namespace */
- if (bre->start >= res->start) {
+ if (bre->start >= range->start) {
u64 start = bre->start;
u64 len;
- if (bre_end <= res->end)
+ if (bre_end <= range->end)
len = bre->length;
else
- len = res->start + resource_size(res)
+ len = range->start + range_len(range)
- bre->start;
- __add_badblock_range(bb, start - res->start, len);
+ __add_badblock_range(bb, start - range->start, len);
continue;
}
/*
* Deal with overlap for badrange starting before
* the namespace.
*/
- if (bre->start < res->start) {
+ if (bre->start < range->start) {
u64 len;
- if (bre_end < res->end)
- len = bre->start + bre->length - res->start;
+ if (bre_end < range->end)
+ len = bre->start + bre->length - range->start;
else
- len = resource_size(res);
+ len = range_len(range);
__add_badblock_range(bb, 0, len);
}
}
@@ -267,7 +267,7 @@ static void badblocks_populate(struct badrange *badrange,
* and add badblocks entries for all matching sub-ranges
*/
void nvdimm_badblocks_populate(struct nd_region *nd_region,
- struct badblocks *bb, const struct resource *res)
+ struct badblocks *bb, const struct range *range)
{
struct nvdimm_bus *nvdimm_bus;
@@ -279,7 +279,7 @@ void nvdimm_badblocks_populate(struct nd_region *nd_region,
nvdimm_bus = walk_to_nvdimm_bus(&nd_region->dev);
nvdimm_bus_lock(&nvdimm_bus->dev);
- badblocks_populate(&nvdimm_bus->badrange, bb, res);
+ badblocks_populate(&nvdimm_bus->badrange, bb, range);
nvdimm_bus_unlock(&nvdimm_bus->dev);
}
EXPORT_SYMBOL_GPL(nvdimm_badblocks_populate);
diff --git a/drivers/nvdimm/blk.c b/drivers/nvdimm/blk.c
index 1f718381a045..22e5617b2cea 100644
--- a/drivers/nvdimm/blk.c
+++ b/drivers/nvdimm/blk.c
@@ -226,7 +226,6 @@ static int nsblk_rw_bytes(struct nd_namespace_common *ndns,
static const struct block_device_operations nd_blk_fops = {
.owner = THIS_MODULE,
.submit_bio = nd_blk_submit_bio,
- .revalidate_disk = nvdimm_revalidate_disk,
};
static void nd_blk_release_queue(void *q)
@@ -284,7 +283,7 @@ static int nsblk_attach_disk(struct nd_namespace_blk *nsblk)
set_capacity(disk, available_disk_size >> SECTOR_SHIFT);
device_add_disk(dev, disk, NULL);
- revalidate_disk(disk);
+ nvdimm_check_and_set_ro(disk);
return 0;
}
diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index 0ff610e728ff..12ff6f8784ac 100644
--- a/drivers/nvdimm/btt.c
+++ b/drivers/nvdimm/btt.c
@@ -1513,7 +1513,6 @@ static const struct block_device_operations btt_fops = {
.submit_bio = btt_submit_bio,
.rw_page = btt_rw_page,
.getgeo = btt_getgeo,
- .revalidate_disk = nvdimm_revalidate_disk,
};
static int btt_blk_init(struct btt *btt)
@@ -1538,8 +1537,6 @@ static int btt_blk_init(struct btt *btt)
btt->btt_disk->private_data = btt;
btt->btt_disk->queue = btt->btt_queue;
btt->btt_disk->flags = GENHD_FL_EXT_DEVT;
- btt->btt_disk->queue->backing_dev_info->capabilities |=
- BDI_CAP_SYNCHRONOUS_IO;
blk_queue_logical_block_size(btt->btt_queue, btt->sector_size);
blk_queue_max_hw_sectors(btt->btt_queue, UINT_MAX);
@@ -1558,7 +1555,7 @@ static int btt_blk_init(struct btt *btt)
set_capacity(btt->btt_disk, btt->nlba * btt->sector_size >> 9);
device_add_disk(&btt->nd_btt->dev, btt->btt_disk, NULL);
btt->nd_btt->size = btt->nlba * (u64)btt->sector_size;
- revalidate_disk(btt->btt_disk);
+ nvdimm_check_and_set_ro(btt->btt_disk);
return 0;
}
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index 955265656b96..2304c6183822 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -628,7 +628,7 @@ int __nd_driver_register(struct nd_device_driver *nd_drv, struct module *owner,
}
EXPORT_SYMBOL(__nd_driver_register);
-int nvdimm_revalidate_disk(struct gendisk *disk)
+void nvdimm_check_and_set_ro(struct gendisk *disk)
{
struct device *dev = disk_to_dev(disk)->parent;
struct nd_region *nd_region = to_nd_region(dev->parent);
@@ -639,16 +639,13 @@ int nvdimm_revalidate_disk(struct gendisk *disk)
* read-only if the disk is already read-only.
*/
if (disk_ro || nd_region->ro == disk_ro)
- return 0;
+ return;
dev_info(dev, "%s read-only, marking %s read-only\n",
dev_name(&nd_region->dev), disk->disk_name);
set_disk_ro(disk, 1);
-
- return 0;
-
}
-EXPORT_SYMBOL(nvdimm_revalidate_disk);
+EXPORT_SYMBOL(nvdimm_check_and_set_ro);
static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
char *buf)
diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c
index 45964acba944..5a7c80053c62 100644
--- a/drivers/nvdimm/claim.c
+++ b/drivers/nvdimm/claim.c
@@ -268,7 +268,7 @@ static int nsio_rw_bytes(struct nd_namespace_common *ndns,
if (rw == READ) {
if (unlikely(is_bad_pmem(&nsio->bb, sector, sz_align)))
return -EIO;
- if (memcpy_mcsafe(buf, nsio->addr + offset, size) != 0)
+ if (copy_mc_to_kernel(buf, nsio->addr + offset, size) != 0)
return -EIO;
return 0;
}
@@ -303,13 +303,16 @@ static int nsio_rw_bytes(struct nd_namespace_common *ndns,
int devm_nsio_enable(struct device *dev, struct nd_namespace_io *nsio,
resource_size_t size)
{
- struct resource *res = &nsio->res;
struct nd_namespace_common *ndns = &nsio->common;
+ struct range range = {
+ .start = nsio->res.start,
+ .end = nsio->res.end,
+ };
nsio->size = size;
- if (!devm_request_mem_region(dev, res->start, size,
+ if (!devm_request_mem_region(dev, range.start, size,
dev_name(&ndns->dev))) {
- dev_warn(dev, "could not reserve region %pR\n", res);
+ dev_warn(dev, "could not reserve region %pR\n", &nsio->res);
return -EBUSY;
}
@@ -317,9 +320,9 @@ int devm_nsio_enable(struct device *dev, struct nd_namespace_io *nsio,
if (devm_init_badblocks(dev, &nsio->bb))
return -ENOMEM;
nvdimm_badblocks_populate(to_nd_region(ndns->dev.parent), &nsio->bb,
- &nsio->res);
+ &range);
- nsio->addr = devm_memremap(dev, res->start, size, ARCH_MEMREMAP_PMEM);
+ nsio->addr = devm_memremap(dev, range.start, size, ARCH_MEMREMAP_PMEM);
return PTR_ERR_OR_ZERO(nsio->addr);
}
diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h
index 85c1ae813ea3..696b55556d4d 100644
--- a/drivers/nvdimm/nd.h
+++ b/drivers/nvdimm/nd.h
@@ -361,7 +361,7 @@ u64 nd_region_interleave_set_altcookie(struct nd_region *nd_region);
void nvdimm_bus_lock(struct device *dev);
void nvdimm_bus_unlock(struct device *dev);
bool is_nvdimm_bus_locked(struct device *dev);
-int nvdimm_revalidate_disk(struct gendisk *disk);
+void nvdimm_check_and_set_ro(struct gendisk *disk);
void nvdimm_drvdata_release(struct kref *kref);
void put_ndd(struct nvdimm_drvdata *ndd);
int nd_label_reserve_dpa(struct nvdimm_drvdata *ndd);
@@ -377,8 +377,9 @@ int nvdimm_namespace_detach_btt(struct nd_btt *nd_btt);
const char *nvdimm_namespace_disk_name(struct nd_namespace_common *ndns,
char *name);
unsigned int pmem_sector_size(struct nd_namespace_common *ndns);
+struct range;
void nvdimm_badblocks_populate(struct nd_region *nd_region,
- struct badblocks *bb, const struct resource *res);
+ struct badblocks *bb, const struct range *range);
int devm_namespace_enable(struct device *dev, struct nd_namespace_common *ndns,
resource_size_t size);
void devm_namespace_disable(struct device *dev,
diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c
index 3e11ef8d3f5b..b499df630d4d 100644
--- a/drivers/nvdimm/pfn_devs.c
+++ b/drivers/nvdimm/pfn_devs.c
@@ -672,7 +672,7 @@ static unsigned long init_altmap_reserve(resource_size_t base)
static int __nvdimm_setup_pfn(struct nd_pfn *nd_pfn, struct dev_pagemap *pgmap)
{
- struct resource *res = &pgmap->res;
+ struct range *range = &pgmap->range;
struct vmem_altmap *altmap = &pgmap->altmap;
struct nd_pfn_sb *pfn_sb = nd_pfn->pfn_sb;
u64 offset = le64_to_cpu(pfn_sb->dataoff);
@@ -689,16 +689,17 @@ static int __nvdimm_setup_pfn(struct nd_pfn *nd_pfn, struct dev_pagemap *pgmap)
.end_pfn = PHYS_PFN(end),
};
- memcpy(res, &nsio->res, sizeof(*res));
- res->start += start_pad;
- res->end -= end_trunc;
-
+ *range = (struct range) {
+ .start = nsio->res.start + start_pad,
+ .end = nsio->res.end - end_trunc,
+ };
+ pgmap->nr_range = 1;
if (nd_pfn->mode == PFN_MODE_RAM) {
if (offset < reserve)
return -EINVAL;
nd_pfn->npfns = le64_to_cpu(pfn_sb->npfns);
} else if (nd_pfn->mode == PFN_MODE_PMEM) {
- nd_pfn->npfns = PHYS_PFN((resource_size(res) - offset));
+ nd_pfn->npfns = PHYS_PFN((range_len(range) - offset));
if (le64_to_cpu(nd_pfn->pfn_sb->npfns) > nd_pfn->npfns)
dev_info(&nd_pfn->dev,
"number of pfns truncated from %lld to %ld\n",
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index fab29b514372..875076b0ea6c 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -125,7 +125,7 @@ static blk_status_t read_pmem(struct page *page, unsigned int off,
while (len) {
mem = kmap_atomic(page);
chunk = min_t(unsigned int, len, PAGE_SIZE - off);
- rem = memcpy_mcsafe(mem + off, pmem_addr, chunk);
+ rem = copy_mc_to_kernel(mem + off, pmem_addr, chunk);
kunmap_atomic(mem);
if (rem)
return BLK_STS_IOERR;
@@ -281,7 +281,6 @@ static const struct block_device_operations pmem_fops = {
.owner = THIS_MODULE,
.submit_bio = pmem_submit_bio,
.rw_page = pmem_rw_page,
- .revalidate_disk = nvdimm_revalidate_disk,
};
static int pmem_dax_zero_page_range(struct dax_device *dax_dev, pgoff_t pgoff,
@@ -304,7 +303,7 @@ static long pmem_dax_direct_access(struct dax_device *dax_dev,
/*
* Use the 'no check' versions of copy_from_iter_flushcache() and
- * copy_to_iter_mcsafe() to bypass HARDENED_USERCOPY overhead. Bounds
+ * copy_mc_to_iter() to bypass HARDENED_USERCOPY overhead. Bounds
* checking, both file offset and device offset, is handled by
* dax_iomap_actor()
*/
@@ -317,7 +316,7 @@ static size_t pmem_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff,
static size_t pmem_copy_to_iter(struct dax_device *dax_dev, pgoff_t pgoff,
void *addr, size_t bytes, struct iov_iter *i)
{
- return _copy_to_iter_mcsafe(addr, bytes, i);
+ return _copy_mc_to_iter(addr, bytes, i);
}
static const struct dax_operations pmem_dax_ops = {
@@ -376,7 +375,7 @@ static int pmem_attach_disk(struct device *dev,
struct nd_region *nd_region = to_nd_region(dev->parent);
int nid = dev_to_node(dev), fua;
struct resource *res = &nsio->res;
- struct resource bb_res;
+ struct range bb_range;
struct nd_pfn *nd_pfn = NULL;
struct dax_device *dax_dev;
struct nd_pfn_sb *pfn_sb;
@@ -435,24 +434,27 @@ static int pmem_attach_disk(struct device *dev,
pfn_sb = nd_pfn->pfn_sb;
pmem->data_offset = le64_to_cpu(pfn_sb->dataoff);
pmem->pfn_pad = resource_size(res) -
- resource_size(&pmem->pgmap.res);
+ range_len(&pmem->pgmap.range);
pmem->pfn_flags |= PFN_MAP;
- memcpy(&bb_res, &pmem->pgmap.res, sizeof(bb_res));
- bb_res.start += pmem->data_offset;
+ bb_range = pmem->pgmap.range;
+ bb_range.start += pmem->data_offset;
} else if (pmem_should_map_pages(dev)) {
- memcpy(&pmem->pgmap.res, &nsio->res, sizeof(pmem->pgmap.res));
+ pmem->pgmap.range.start = res->start;
+ pmem->pgmap.range.end = res->end;
+ pmem->pgmap.nr_range = 1;
pmem->pgmap.type = MEMORY_DEVICE_FS_DAX;
pmem->pgmap.ops = &fsdax_pagemap_ops;
addr = devm_memremap_pages(dev, &pmem->pgmap);
pmem->pfn_flags |= PFN_MAP;
- memcpy(&bb_res, &pmem->pgmap.res, sizeof(bb_res));
+ bb_range = pmem->pgmap.range;
} else {
if (devm_add_action_or_reset(dev, pmem_release_queue,
&pmem->pgmap))
return -ENOMEM;
addr = devm_memremap(dev, pmem->phys_addr,
pmem->size, ARCH_MEMREMAP_PMEM);
- memcpy(&bb_res, &nsio->res, sizeof(bb_res));
+ bb_range.start = res->start;
+ bb_range.end = res->end;
}
if (IS_ERR(addr))
@@ -476,13 +478,12 @@ static int pmem_attach_disk(struct device *dev,
disk->queue = q;
disk->flags = GENHD_FL_EXT_DEVT;
disk->private_data = pmem;
- disk->queue->backing_dev_info->capabilities |= BDI_CAP_SYNCHRONOUS_IO;
nvdimm_namespace_disk_name(ndns, disk->disk_name);
set_capacity(disk, (pmem->size - pmem->pfn_pad - pmem->data_offset)
/ 512);
if (devm_init_badblocks(dev, &pmem->bb))
return -ENOMEM;
- nvdimm_badblocks_populate(nd_region, &pmem->bb, &bb_res);
+ nvdimm_badblocks_populate(nd_region, &pmem->bb, &bb_range);
disk->bb = &pmem->bb;
if (is_nvdimm_sync(nd_region))
@@ -501,7 +502,7 @@ static int pmem_attach_disk(struct device *dev,
if (devm_add_action_or_reset(dev, pmem_release_disk, pmem))
return -ENOMEM;
- revalidate_disk(disk);
+ nvdimm_check_and_set_ro(disk);
pmem->bb_state = sysfs_get_dirent(disk_to_dev(disk)->kobj.sd,
"badblocks");
@@ -593,8 +594,8 @@ static void nd_pmem_notify(struct device *dev, enum nvdimm_event event)
resource_size_t offset = 0, end_trunc = 0;
struct nd_namespace_common *ndns;
struct nd_namespace_io *nsio;
- struct resource res;
struct badblocks *bb;
+ struct range range;
struct kernfs_node *bb_state;
if (event != NVDIMM_REVALIDATE_POISON)
@@ -630,9 +631,9 @@ static void nd_pmem_notify(struct device *dev, enum nvdimm_event event)
nsio = to_nd_namespace_io(&ndns->dev);
}
- res.start = nsio->res.start + offset;
- res.end = nsio->res.end - end_trunc;
- nvdimm_badblocks_populate(nd_region, bb, &res);
+ range.start = nsio->res.start + offset;
+ range.end = nsio->res.end - end_trunc;
+ nvdimm_badblocks_populate(nd_region, bb, &range);
if (bb_state)
sysfs_notify_dirent(bb_state);
}
diff --git a/drivers/nvdimm/region.c b/drivers/nvdimm/region.c
index 0f6978e72e7c..bfce87ed72ab 100644
--- a/drivers/nvdimm/region.c
+++ b/drivers/nvdimm/region.c
@@ -35,7 +35,10 @@ static int nd_region_probe(struct device *dev)
return rc;
if (is_memory(&nd_region->dev)) {
- struct resource ndr_res;
+ struct range range = {
+ .start = nd_region->ndr_start,
+ .end = nd_region->ndr_start + nd_region->ndr_size - 1,
+ };
if (devm_init_badblocks(dev, &nd_region->bb))
return -ENODEV;
@@ -44,9 +47,7 @@ static int nd_region_probe(struct device *dev)
if (!nd_region->bb_state)
dev_warn(&nd_region->dev,
"'badblocks' notification disabled\n");
- ndr_res.start = nd_region->ndr_start;
- ndr_res.end = nd_region->ndr_start + nd_region->ndr_size - 1;
- nvdimm_badblocks_populate(nd_region, &nd_region->bb, &ndr_res);
+ nvdimm_badblocks_populate(nd_region, &nd_region->bb, &range);
}
rc = nd_region_register_namespaces(nd_region, &err);
@@ -121,14 +122,16 @@ static void nd_region_notify(struct device *dev, enum nvdimm_event event)
{
if (event == NVDIMM_REVALIDATE_POISON) {
struct nd_region *nd_region = to_nd_region(dev);
- struct resource res;
if (is_memory(&nd_region->dev)) {
- res.start = nd_region->ndr_start;
- res.end = nd_region->ndr_start +
- nd_region->ndr_size - 1;
+ struct range range = {
+ .start = nd_region->ndr_start,
+ .end = nd_region->ndr_start +
+ nd_region->ndr_size - 1,
+ };
+
nvdimm_badblocks_populate(nd_region,
- &nd_region->bb, &res);
+ &nd_region->bb, &range);
if (nd_region->bb_state)
sysfs_notify_dirent(nd_region->bb_state);
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-01 10:24:29 +0100