[21/52] fuse: Introduce fuse_dax_mapping

Commit Message

Vivek Goyal Dec. 10, 2018, 5:12 p.m. UTC

Introduce fuse_dax_mapping. This type will be used to keep track of
per inode dax mappings.

Signed-off-by: Vivek Goyal <[e-mail]>
---
 fs/fuse/fuse_i.h | 9 +++++++++
 1 file changed, 9 insertions(+)

Patch

diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 345abe9b022f..b9880be690bd 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -81,6 +81,15 @@  struct fuse_forget_link {
 	struct fuse_forget_link *next;
 };
 
+/** Translation information for file offsets to DAX window offsets */
+struct fuse_dax_mapping {
+       /** Position in DAX window */
+       u64 window_offset;
+
+       /** Length of mapping, in bytes */
+       loff_t length;
+};
+
 /** FUSE inode */
 struct fuse_inode {
 	/** Inode data */