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| author | KP Singh <kpsingh@google.com> | 2020-08-25 20:29:17 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-08-25 15:00:04 -0700 |
| commit | 8ea636848aca35b9f97c5b5dee30225cf2dd0fe6 (patch) | |
| tree | fd26d1b828552b8e1e4dc53fe61e928cfeaf7f61 /kernel/bpf/syscall.c | |
| parent | 450af8d0f6be2e7dd2a528a3fb054bb726bf1747 (diff) | |
| download | linux-8ea636848aca35b9f97c5b5dee30225cf2dd0fe6.tar.bz2 | |
bpf: Implement bpf_local_storage for inodes
Similar to bpf_local_storage for sockets, add local storage for inodes.
The life-cycle of storage is managed with the life-cycle of the inode.
i.e. the storage is destroyed along with the owning inode.
The BPF LSM allocates an __rcu pointer to the bpf_local_storage in the
security blob which are now stackable and can co-exist with other LSMs.
Signed-off-by: KP Singh <kpsingh@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200825182919.1118197-6-kpsingh@chromium.org
Diffstat (limited to 'kernel/bpf/syscall.c')
| -rw-r--r-- | kernel/bpf/syscall.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index b46e973faee9..5443cea86cef 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -769,7 +769,8 @@ static int map_check_btf(struct bpf_map *map, const struct btf *btf, if (map->map_type != BPF_MAP_TYPE_HASH && map->map_type != BPF_MAP_TYPE_ARRAY && map->map_type != BPF_MAP_TYPE_CGROUP_STORAGE && - map->map_type != BPF_MAP_TYPE_SK_STORAGE) + map->map_type != BPF_MAP_TYPE_SK_STORAGE && + map->map_type != BPF_MAP_TYPE_INODE_STORAGE) return -ENOTSUPP; if (map->spin_lock_off + sizeof(struct bpf_spin_lock) > map->value_size) { |