fs: iomap based fiemap implementation
Add a simple fiemap implementation based on iomap_ops, partially based
on a previous implementation from Bob Peterson <rpeterso@redhat.com>.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index d2f469a..3267df4 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -3,6 +3,7 @@
#include <linux/types.h>
+struct fiemap_extent_info;
struct inode;
struct iov_iter;
struct kiocb;
@@ -63,5 +64,7 @@
struct iomap_ops *ops);
int iomap_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
struct iomap_ops *ops);
+int iomap_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+ loff_t start, loff_t len, struct iomap_ops *ops);
#endif /* LINUX_IOMAP_H */