[PATCH v4 bpf-next 0/3] Add bpf_get_dentry_xattr

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Add a kfunc to read xattr from dentry. Also add selftest for the new
kfunc.

Changes v3 => v4:
1. Fix selftest build.

V3: https://lore.kernel.org/bpf/20240806203340.3503805-1-song@xxxxxxxxxx/T/#u

Changes v2 => v3:
1. Move the kfuncs to fs/bpf_fs_kfuncs.c.
2. Fix selftests build error on s390. (Alexei)

v2: https://lore.kernel.org/bpf/20240730230805.42205-1-song@xxxxxxxxxx/T/#u

Changes v1 => v2:
1. Remove 3 kfuncs that are ready yet.

v1: https://lore.kernel.org/linux-fsdevel/20240725234706.655613-1-song@xxxxxxxxxx/T/#u

Song Liu (3):
  bpf: Move bpf_get_file_xattr to fs/bpf_fs_kfuncs.c
  bpf: Add kfunc bpf_get_dentry_xattr() to read xattr from dentry
  selftests/bpf: Add tests for bpf_get_dentry_xattr

 fs/bpf_fs_kfuncs.c                            | 62 +++++++++++++++++
 kernel/trace/bpf_trace.c                      | 68 -------------------
 tools/testing/selftests/bpf/bpf_kfuncs.h      |  9 +++
 .../selftests/bpf/prog_tests/fs_kfuncs.c      |  9 ++-
 .../selftests/bpf/progs/test_get_xattr.c      | 37 ++++++++--
 5 files changed, 111 insertions(+), 74 deletions(-)

--
2.43.5




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