diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/dax/bus.c | 3 | ||||
| -rw-r--r-- | drivers/dax/device.c | 8 | ||||
| -rw-r--r-- | drivers/dax/kmem.c | 30 |
3 files changed, 9 insertions, 32 deletions
diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c index f24b67c64d..3ef9550bd2 100644 --- a/drivers/dax/bus.c +++ b/drivers/dax/bus.c @@ -792,7 +792,7 @@ static const struct attribute_group *dax_mapping_attribute_groups[] = { NULL, }; -static struct device_type dax_mapping_type = { +static const struct device_type dax_mapping_type = { .release = dax_mapping_release, .groups = dax_mapping_attribute_groups, }; @@ -1178,7 +1178,6 @@ static ssize_t mapping_store(struct device *dev, struct device_attribute *attr, if (rc) return rc; - rc = -ENXIO; rc = down_write_killable(&dax_region_rwsem); if (rc) return rc; diff --git a/drivers/dax/device.c b/drivers/dax/device.c index 93ebedc5ec..eb61598247 100644 --- a/drivers/dax/device.c +++ b/drivers/dax/device.c @@ -329,14 +329,14 @@ static unsigned long dax_get_unmapped_area(struct file *filp, if ((off + len_align) < off) goto out; - addr_align = current->mm->get_unmapped_area(filp, addr, len_align, - pgoff, flags); + addr_align = mm_get_unmapped_area(current->mm, filp, addr, len_align, + pgoff, flags); if (!IS_ERR_VALUE(addr_align)) { addr_align += (off - addr_align) & (align - 1); return addr_align; } out: - return current->mm->get_unmapped_area(filp, addr, len, pgoff, flags); + return mm_get_unmapped_area(current->mm, filp, addr, len, pgoff, flags); } static const struct address_space_operations dev_dax_aops = { @@ -377,7 +377,7 @@ static const struct file_operations dax_fops = { .release = dax_release, .get_unmapped_area = dax_get_unmapped_area, .mmap = dax_mmap, - .mmap_supported_flags = MAP_SYNC, + .fop_flags = FOP_MMAP_SYNC, }; static void dev_dax_cdev_del(void *cdev) diff --git a/drivers/dax/kmem.c b/drivers/dax/kmem.c index 42ee360cf4..4fe9d040e3 100644 --- a/drivers/dax/kmem.c +++ b/drivers/dax/kmem.c @@ -55,36 +55,14 @@ static LIST_HEAD(kmem_memory_types); static struct memory_dev_type *kmem_find_alloc_memory_type(int adist) { - bool found = false; - struct memory_dev_type *mtype; - - mutex_lock(&kmem_memory_type_lock); - list_for_each_entry(mtype, &kmem_memory_types, list) { - if (mtype->adistance == adist) { - found = true; - break; - } - } - if (!found) { - mtype = alloc_memory_type(adist); - if (!IS_ERR(mtype)) - list_add(&mtype->list, &kmem_memory_types); - } - mutex_unlock(&kmem_memory_type_lock); - - return mtype; + guard(mutex)(&kmem_memory_type_lock); + return mt_find_alloc_memory_type(adist, &kmem_memory_types); } static void kmem_put_memory_types(void) { - struct memory_dev_type *mtype, *mtn; - - mutex_lock(&kmem_memory_type_lock); - list_for_each_entry_safe(mtype, mtn, &kmem_memory_types, list) { - list_del(&mtype->list); - put_memory_type(mtype); - } - mutex_unlock(&kmem_memory_type_lock); + guard(mutex)(&kmem_memory_type_lock); + mt_put_memory_types(&kmem_memory_types); } static int dev_dax_kmem_probe(struct dev_dax *dev_dax) |