Adds structures which will be used to inform fuse about what it is being stacked on top of. Once filters are in place, error_in will inform the post filter if the backing call returned an error. Signed-off-by: Daniel Rosenberg <drosen@xxxxxxxxxx> Signed-off-by: Paul Lawrence <paullawrence@xxxxxxxxxx> --- include/uapi/linux/fuse.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h index e7418d15fe39..0c0a9a8b5c26 100644 --- a/include/uapi/linux/fuse.h +++ b/include/uapi/linux/fuse.h @@ -654,6 +654,29 @@ struct fuse_entry_out { struct fuse_attr attr; }; +#define FUSE_BPF_MAX_ENTRIES 2 + +enum fuse_bpf_type { + FUSE_ENTRY_BACKING = 1, + FUSE_ENTRY_BPF = 2, + FUSE_ENTRY_REMOVE_BACKING = 3, + FUSE_ENTRY_REMOVE_BPF = 4, +}; + +#define BPF_FUSE_NAME_MAX 15 + +struct fuse_bpf_entry_out { + uint32_t entry_type; + uint32_t unused; + union { + struct { + uint64_t unused2; + uint64_t fd; + }; + char name[BPF_FUSE_NAME_MAX + 1]; + }; +}; + struct fuse_forget_in { uint64_t nlookup; }; -- 2.44.0.478.gd926399ef9-goog