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authorJan Kara <jack@suse.cz>2017-11-01 16:36:39 +0100
committerDan Williams <dan.j.williams@intel.com>2017-11-03 06:26:24 -0700
commit9a0dd42251439de635088b97533109a935864a84 (patch)
tree8409c4579c18ccf3c9c05ec7dd651c46683fca51 /include/linux/dax.h
parentcec04e8c825eaa5a4bb1a3ce0d3784628e965196 (diff)
dax: Allow dax_iomap_fault() to return pfn
For synchronous page fault dax_iomap_fault() will need to return PFN which will then need to be inserted into page tables after fsync() completes. Add necessary parameter to dax_iomap_fault(). Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'include/linux/dax.h')
-rw-r--r--include/linux/dax.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/dax.h b/include/linux/dax.h
index 122197124b9d..e7fa4b8f45bc 100644
--- a/include/linux/dax.h
+++ b/include/linux/dax.h
@@ -95,7 +95,7 @@ bool dax_write_cache_enabled(struct dax_device *dax_dev);
ssize_t dax_iomap_rw(struct kiocb *iocb, struct iov_iter *iter,
const struct iomap_ops *ops);
int dax_iomap_fault(struct vm_fault *vmf, enum page_entry_size pe_size,
- const struct iomap_ops *ops);
+ pfn_t *pfnp, const struct iomap_ops *ops);
int dax_delete_mapping_entry(struct address_space *mapping, pgoff_t index);
int dax_invalidate_mapping_entry_sync(struct address_space *mapping,
pgoff_t index);