Messages in this thread Patch in this message | | | Date | Mon, 21 Nov 2022 18:15:17 -0800 | Subject | [RFC PATCH v2 02/21] fuse-bpf: Update fuse side uapi | From | Daniel Rosenberg <> |
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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@google.com> Signed-off-by: Paul Lawrence <paullawrence@google.com> --- include/uapi/linux/fuse.h | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h index 76ee8f9e024a..0e19076729d9 100644 --- a/include/uapi/linux/fuse.h +++ b/include/uapi/linux/fuse.h @@ -576,6 +576,21 @@ 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, +}; + +struct fuse_bpf_entry_out { + uint32_t entry_type; + uint32_t unused; + uint64_t fd; +}; + struct fuse_forget_in { uint64_t nlookup; }; @@ -874,7 +889,7 @@ struct fuse_in_header { uint32_t uid; uint32_t gid; uint32_t pid; - uint32_t padding; + uint32_t error_in; }; struct fuse_out_header { -- 2.38.1.584.g0f3c55d4c2-goog
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