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| author | Dan Williams <dan.j.williams@intel.com> | 2018-06-08 15:16:44 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2018-06-08 15:16:44 -0700 |
| commit | 930218affeadd1325ea17e053f0dcecf218f5a4f (patch) | |
| tree | 203c293668a88e03b9f292cf4d5a294ca8a4275a /include/linux/dax.h | |
| parent | b56845794e1e93121acb74ca325db965035d5545 (diff) | |
| parent | 5d8beee20d89e34ff1dcb0da84adf7607858c59d (diff) | |
Merge branch 'for-4.18/mcsafe' into libnvdimm-for-next
Diffstat (limited to 'include/linux/dax.h')
| -rw-r--r-- | include/linux/dax.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/dax.h b/include/linux/dax.h index 25bab6abb695..b51db4264c83 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -20,6 +20,9 @@ struct dax_operations { /* copy_from_iter: required operation for fs-dax direct-i/o */ size_t (*copy_from_iter)(struct dax_device *, pgoff_t, void *, size_t, struct iov_iter *); + /* copy_to_iter: required operation for fs-dax direct-i/o */ + size_t (*copy_to_iter)(struct dax_device *, pgoff_t, void *, size_t, + struct iov_iter *); }; extern struct attribute_group dax_attribute_group; @@ -125,6 +128,8 @@ long dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages, void **kaddr, pfn_t *pfn); size_t dax_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr, size_t bytes, struct iov_iter *i); +size_t dax_copy_to_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr, + size_t bytes, struct iov_iter *i); void dax_flush(struct dax_device *dax_dev, void *addr, size_t size); ssize_t dax_iomap_rw(struct kiocb *iocb, struct iov_iter *iter, |