summaryrefslogtreecommitdiff
path: root/include/linux/iomap.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/iomap.h')
-rw-r--r--include/linux/iomap.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 1df9ea187a9a..baa1e2d31f05 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -7,6 +7,7 @@
#include <linux/mm.h>
#include <linux/types.h>
#include <linux/mm_types.h>
+#include <linux/blkdev.h>
struct address_space;
struct fiemap_extent_info;
@@ -69,6 +70,12 @@ struct iomap {
const struct iomap_page_ops *page_ops;
};
+static inline sector_t
+iomap_sector(struct iomap *iomap, loff_t pos)
+{
+ return (iomap->addr + pos - iomap->offset) >> SECTOR_SHIFT;
+}
+
/*
* When a filesystem sets page_ops in an iomap mapping it returns, page_prepare
* and page_done will be called for each page written to. This only applies to