Among the FUSE_INIT phase, client shall advertise per-file DAX if it's mounted with "-o dax=inode". Then server is aware that client is in per-file DAX mode, and will construct per-inode DAX attribute accordingly. Signed-off-by: Jeffle Xu <jefflexu@xxxxxxxxxxxxxxxxx> --- fs/fuse/inode.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index b4b41683e97e..f4ad99e2415b 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -1203,6 +1203,8 @@ void fuse_send_init(struct fuse_mount *fm) #ifdef CONFIG_FUSE_DAX if (fm->fc->dax) ia->in.flags |= FUSE_MAP_ALIGNMENT; + if (fm->fc->dax_mode == FUSE_DAX_INODE) + ia->in.flags |= FUSE_PERFILE_DAX; #endif if (fm->fc->auto_submounts) ia->in.flags |= FUSE_SUBMOUNTS; -- 2.27.0