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AJvYcCVQsy6tUMn+gRhEKx9+49Sp+HrSE2hbU8gmC2OJYo3sbrbfG8BpS1eyS0YleJfC1rs8r7rUn3BOqka6/Sx2r17YxOALOAqMOw9arXMu X-Gm-Message-State: AOJu0Yyl5AG1wLRZGrEp6JfsYA17G/q3XBSgRRoEOy0dI2NOl1PDGS1s abfsj2kXr2dQP1fsprWTMJpJWe6XTneQ7WMK7BJQoSOS4K0dmQl60Dx4AY7rZGsD5rfOmz50jsb QLg== X-Google-Smtp-Source: AGHT+IGF9nW/lcLEYaeyMEZVwCHFKdI51EuE9NyugoSApHlrjqOTG5u7cGkQtddkr8oJLGW/eZgzFmc/WjM= X-Received: from drosen.mtv.corp.google.com ([2620:15c:211:201:fcce:d6ab:804c:b94b]) (user=drosen job=sendgmr) by 2002:a05:6902:2701:b0:dc2:5273:53f9 with SMTP id dz1-20020a056902270100b00dc2527353f9mr86822ybb.1.1711677311477; Thu, 28 Mar 2024 18:55:11 -0700 (PDT) Date: Thu, 28 Mar 2024 18:53:47 -0700 In-Reply-To: <20240329015351.624249-1-drosen@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240329015351.624249-1-drosen@google.com> X-Mailer: git-send-email 2.44.0.478.gd926399ef9-goog Message-ID: <20240329015351.624249-33-drosen@google.com> Subject: [RFC PATCH v4 32/36] WIP: fuse-bpf: add error_out From: Daniel Rosenberg To: Miklos Szeredi , bpf@vger.kernel.org, Alexei Starovoitov Cc: Amir Goldstein , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-unionfs@vger.kernel.org, Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Eduard Zingerman , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Shuah Khan , Jonathan Corbet , Joanne Koong , Mykola Lysenko , Christian Brauner , kernel-team@android.com, Daniel Rosenberg Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" error_out field will allow differentiating between altering error code from bpf programs, and the bpf program returning an error. TODO Signed-off-by: Daniel Rosenberg --- include/linux/bpf_fuse.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/bpf_fuse.h b/include/linux/bpf_fuse.h index 159b850e1b46..15646ba59c41 100644 --- a/include/linux/bpf_fuse.h +++ b/include/linux/bpf_fuse.h @@ -57,6 +57,7 @@ struct bpf_fuse_meta_info { uint64_t nodeid; uint32_t opcode; uint32_t error_in; + uint32_t error_out; // TODO: struct_op programs may set this to alter rep= orted error code }; =20 struct bpf_fuse_args { --=20 2.44.0.478.gd926399ef9-goog