summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/linux/iomap.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 3267df4..3d70ece 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -19,6 +19,11 @@ struct vm_fault;
#define IOMAP_UNWRITTEN 0x04 /* blocks allocated @blkno in unwritten state */
/*
+ * Flags for iomap mappings:
+ */
+#define IOMAP_F_MERGED 0x01 /* contains multiple blocks/extents */
+
+/*
* Magic value for blkno:
*/
#define IOMAP_NULL_BLOCK -1LL /* blkno is not valid */
@@ -27,7 +32,8 @@ struct iomap {
sector_t blkno; /* 1st sector of mapping, 512b units */
loff_t offset; /* file offset of mapping, bytes */
u64 length; /* length of mapping, bytes */
- int type; /* type of mapping */
+ u16 type; /* type of mapping */
+ u16 flags; /* flags for mapping */
struct block_device *bdev; /* block device for I/O */
};