Follow up discussion in LPC 2024 [1], that we need security.bpf xattr prefix. This set adds "security.bpf" xattr name prefix, and allows bpf kfuncs bpf_get_[file|dentry]_xattr() to read these xattrs. [1] https://lpc.events/event/18/contributions/1940/ Changes v1 => v2 1. Update comment of bpf_get_[file|dentry]_xattr. (Jiri Olsa) 2. Fix comment for return value of bpf_get_[file|dentry]_xattr. v1: https://lore.kernel.org/bpf/20241002214637.3625277-1-song@xxxxxxxxxx/ Song Liu (2): fs/xattr: bpf: Introduce security.bpf xattr name prefix selftests/bpf: Extend test fs_kfuncs to cover security.bpf xattr names fs/bpf_fs_kfuncs.c | 22 +++++++++- include/uapi/linux/xattr.h | 4 ++ .../selftests/bpf/prog_tests/fs_kfuncs.c | 40 ++++++++++++++----- .../selftests/bpf/progs/test_get_xattr.c | 30 ++++++++++++-- 4 files changed, 80 insertions(+), 16 deletions(-) -- 2.43.5
