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| author | Paolo Bonzini <pbonzini@redhat.com> | 2020-05-13 12:14:05 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-05-13 12:14:05 -0400 |
| commit | 4aef2ec9022b217f74d0f4c9b84081f07cc223d9 (patch) | |
| tree | edf9bb9ca1f8ab6345c156a7e87aaed28939f66c /include/linux/device-mapper.h | |
| parent | 7c67f54661fcc8d141fb11abbab1739f32e13b03 (diff) | |
| parent | 37486135d3a7b03acc7755b63627a130437f066a (diff) | |
Merge branch 'kvm-amd-fixes' into HEAD
Diffstat (limited to 'include/linux/device-mapper.h')
| -rw-r--r-- | include/linux/device-mapper.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 475668c69dbc..af48d9da3916 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -141,6 +141,8 @@ typedef long (*dm_dax_direct_access_fn) (struct dm_target *ti, pgoff_t pgoff, long nr_pages, void **kaddr, pfn_t *pfn); typedef size_t (*dm_dax_copy_iter_fn)(struct dm_target *ti, pgoff_t pgoff, void *addr, size_t bytes, struct iov_iter *i); +typedef int (*dm_dax_zero_page_range_fn)(struct dm_target *ti, pgoff_t pgoff, + size_t nr_pages); #define PAGE_SECTORS (PAGE_SIZE / 512) void dm_error(const char *message); @@ -195,6 +197,7 @@ struct target_type { dm_dax_direct_access_fn direct_access; dm_dax_copy_iter_fn dax_copy_from_iter; dm_dax_copy_iter_fn dax_copy_to_iter; + dm_dax_zero_page_range_fn dax_zero_page_range; /* For internal device-mapper use. */ struct list_head list; |