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-rw-r--r--fs/orangefs/orangefs-bufmap.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/orangefs/orangefs-bufmap.c b/fs/orangefs/orangefs-bufmap.c
index 443bcd8c3c19..d4811f981608 100644
--- a/fs/orangefs/orangefs-bufmap.c
+++ b/fs/orangefs/orangefs-bufmap.c
@@ -538,3 +538,16 @@ int orangefs_bufmap_copy_to_iovec(struct iov_iter *iter,
}
return 0;
}
+
+void orangefs_bufmap_page_fill(void *page_to,
+ int buffer_index,
+ int slot_index)
+{
+ struct orangefs_bufmap_desc *from;
+ void *page_from;
+
+ from = &__orangefs_bufmap->desc_array[buffer_index];
+ page_from = kmap_atomic(from->page_array[slot_index]);
+ memcpy(page_to, page_from, PAGE_SIZE);
+ kunmap_atomic(page_from);
+}