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-rw-r--r--include/linux/backing-file.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/backing-file.h b/include/linux/backing-file.h
index 0546d5b1c9f5..3f1fe1774f1b 100644
--- a/include/linux/backing-file.h
+++ b/include/linux/backing-file.h
@@ -36,5 +36,7 @@ ssize_t backing_file_splice_write(struct pipe_inode_info *pipe,
struct file *out, loff_t *ppos, size_t len,
unsigned int flags,
struct backing_file_ctx *ctx);
+int backing_file_mmap(struct file *file, struct vm_area_struct *vma,
+ struct backing_file_ctx *ctx);
#endif /* _LINUX_BACKING_FILE_H */