[PATCH 21/52] fuse: Introduce fuse_dax_mapping

Vivek Goyal
2018-12-10T17:12:47Z

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

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
---
fs/fuse/fuse_i.h | 9 +++++++++
1 file changed, 9 insertions(+)

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 */
--
2.13.6