diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/stable/sysfs-block | 9 | ||||
| -rw-r--r-- | Documentation/bpf/bpf_devel_QA.rst | 14 | ||||
| -rw-r--r-- | Documentation/filesystems/ext4/blockgroup.rst | 6 | ||||
| -rw-r--r-- | Documentation/netlink/genetlink-c.yaml | 2 | ||||
| -rw-r--r-- | Documentation/netlink/genetlink-legacy.yaml | 2 | ||||
| -rw-r--r-- | Documentation/netlink/genetlink.yaml | 2 | ||||
| -rw-r--r-- | Documentation/netlink/specs/ethtool.yaml | 17 | ||||
| -rw-r--r-- | Documentation/netlink/specs/fou.yaml | 4 | ||||
| -rw-r--r-- | Documentation/netlink/specs/netdev.yaml | 4 | ||||
| -rw-r--r-- | Documentation/userspace-api/netlink/specs.rst | 13 |
10 files changed, 39 insertions, 34 deletions
diff --git a/Documentation/ABI/stable/sysfs-block b/Documentation/ABI/stable/sysfs-block index ac1e519272aa..282de3680367 100644 --- a/Documentation/ABI/stable/sysfs-block +++ b/Documentation/ABI/stable/sysfs-block @@ -705,6 +705,15 @@ Description: zoned will report "none". +What: /sys/block/<disk>/hidden +Date: March 2023 +Contact: linux-block@vger.kernel.org +Description: + [RO] the block device is hidden. it doesn’t produce events, and + can’t be opened from userspace or using blkdev_get*. + Used for the underlying components of multipath devices. + + What: /sys/block/<disk>/stat Date: February 2008 Contact: Jerome Marchand <jmarchan@redhat.com> diff --git a/Documentation/bpf/bpf_devel_QA.rst b/Documentation/bpf/bpf_devel_QA.rst index 03d4993eda6f..b421d94dc9f2 100644 --- a/Documentation/bpf/bpf_devel_QA.rst +++ b/Documentation/bpf/bpf_devel_QA.rst @@ -7,8 +7,8 @@ workflows related to reporting bugs, submitting patches, and queueing patches for stable kernels. For general information about submitting patches, please refer to -`Documentation/process/`_. This document only describes additional specifics -related to BPF. +Documentation/process/submitting-patches.rst. This document only describes +additional specifics related to BPF. .. contents:: :local: @@ -461,15 +461,15 @@ needed:: $ sudo make run_tests -See the kernels selftest `Documentation/dev-tools/kselftest.rst`_ -document for further documentation. +See :doc:`kernel selftest documentation </dev-tools/kselftest>` +for details. To maximize the number of tests passing, the .config of the kernel under test should match the config file fragment in tools/testing/selftests/bpf as closely as possible. Finally to ensure support for latest BPF Type Format features - -discussed in `Documentation/bpf/btf.rst`_ - pahole version 1.16 +discussed in Documentation/bpf/btf.rst - pahole version 1.16 is required for kernels built with CONFIG_DEBUG_INFO_BTF=y. pahole is delivered in the dwarves package or can be built from source at @@ -684,12 +684,8 @@ when: .. Links -.. _Documentation/process/: https://www.kernel.org/doc/html/latest/process/ .. _netdev-FAQ: Documentation/process/maintainer-netdev.rst .. _selftests: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/testing/selftests/bpf/ -.. _Documentation/dev-tools/kselftest.rst: - https://www.kernel.org/doc/html/latest/dev-tools/kselftest.html -.. _Documentation/bpf/btf.rst: btf.rst Happy BPF hacking! diff --git a/Documentation/filesystems/ext4/blockgroup.rst b/Documentation/filesystems/ext4/blockgroup.rst index 46d78f860623..ed5a5cac6d40 100644 --- a/Documentation/filesystems/ext4/blockgroup.rst +++ b/Documentation/filesystems/ext4/blockgroup.rst @@ -105,9 +105,9 @@ descriptors. Instead, the superblock and a single block group descriptor block is placed at the beginning of the first, second, and last block groups in a meta-block group. A meta-block group is a collection of block groups which can be described by a single block group descriptor -block. Since the size of the block group descriptor structure is 32 -bytes, a meta-block group contains 32 block groups for filesystems with -a 1KB block size, and 128 block groups for filesystems with a 4KB +block. Since the size of the block group descriptor structure is 64 +bytes, a meta-block group contains 16 block groups for filesystems with +a 1KB block size, and 64 block groups for filesystems with a 4KB blocksize. Filesystems can either be created using this new block group descriptor layout, or existing filesystems can be resized on-line, and the field s_first_meta_bg in the superblock will indicate the first diff --git a/Documentation/netlink/genetlink-c.yaml b/Documentation/netlink/genetlink-c.yaml index bbcfa2472b04..f082a5ad7cf1 100644 --- a/Documentation/netlink/genetlink-c.yaml +++ b/Documentation/netlink/genetlink-c.yaml @@ -1,4 +1,4 @@ -# SPDX-License-Identifier: GPL-2.0 +# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause %YAML 1.2 --- $id: http://kernel.org/schemas/netlink/genetlink-c.yaml# diff --git a/Documentation/netlink/genetlink-legacy.yaml b/Documentation/netlink/genetlink-legacy.yaml index 5642925c4ceb..c6b8c77f7d12 100644 --- a/Documentation/netlink/genetlink-legacy.yaml +++ b/Documentation/netlink/genetlink-legacy.yaml @@ -1,4 +1,4 @@ -# SPDX-License-Identifier: GPL-2.0 +# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause %YAML 1.2 --- $id: http://kernel.org/schemas/netlink/genetlink-legacy.yaml# diff --git a/Documentation/netlink/genetlink.yaml b/Documentation/netlink/genetlink.yaml index 62a922755ce2..b2d56ab9e615 100644 --- a/Documentation/netlink/genetlink.yaml +++ b/Documentation/netlink/genetlink.yaml @@ -1,4 +1,4 @@ -# SPDX-License-Identifier: GPL-2.0 +# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause %YAML 1.2 --- $id: http://kernel.org/schemas/netlink/genetlink-legacy.yaml# diff --git a/Documentation/netlink/specs/ethtool.yaml b/Documentation/netlink/specs/ethtool.yaml index 08b776908d15..18ecb7d90cbe 100644 --- a/Documentation/netlink/specs/ethtool.yaml +++ b/Documentation/netlink/specs/ethtool.yaml @@ -1,3 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause + name: ethtool protocol: genetlink-legacy @@ -11,7 +13,6 @@ attribute-sets: - name: dev-index type: u32 - value: 1 - name: dev-name type: string @@ -25,7 +26,6 @@ attribute-sets: - name: index type: u32 - value: 1 - name: name type: string @@ -39,14 +39,12 @@ attribute-sets: name: bit type: nest nested-attributes: bitset-bit - value: 1 - name: bitset attributes: - name: nomask type: flag - value: 1 - name: size type: u32 @@ -61,7 +59,6 @@ attribute-sets: - name: index type: u32 - value: 1 - name: value type: string @@ -71,7 +68,6 @@ attribute-sets: - name: string type: nest - value: 1 multi-attr: true nested-attributes: string - @@ -80,7 +76,6 @@ attribute-sets: - name: id type: u32 - value: 1 - name: count type: u32 @@ -96,14 +91,12 @@ attribute-sets: name: stringset type: nest multi-attr: true - value: 1 nested-attributes: stringset - name: strset attributes: - name: header - value: 1 type: nest nested-attributes: header - @@ -119,7 +112,6 @@ attribute-sets: attributes: - name: header - value: 1 type: nest nested-attributes: header - @@ -132,7 +124,6 @@ attribute-sets: attributes: - name: header - value: 1 type: nest nested-attributes: header - @@ -180,7 +171,6 @@ attribute-sets: attributes: - name: pad - value: 1 type: pad - name: reassembly-errors @@ -205,7 +195,6 @@ attribute-sets: attributes: - name: header - value: 1 type: nest nested-attributes: header - @@ -251,13 +240,11 @@ operations: do: &strset-get-op request: - value: 1 attributes: - header - stringsets - counts-only reply: - value: 1 attributes: - header - stringsets diff --git a/Documentation/netlink/specs/fou.yaml b/Documentation/netlink/specs/fou.yaml index 266c386eedf3..cff104288723 100644 --- a/Documentation/netlink/specs/fou.yaml +++ b/Documentation/netlink/specs/fou.yaml @@ -1,3 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause + name: fou protocol: genetlink-legacy @@ -26,6 +28,7 @@ attribute-sets: - name: unspec type: unused + value: 0 - name: port type: u16 @@ -71,6 +74,7 @@ operations: - name: unspec doc: unused + value: 0 - name: add diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml index cffef09729f1..24de747b5344 100644 --- a/Documentation/netlink/specs/netdev.yaml +++ b/Documentation/netlink/specs/netdev.yaml @@ -1,3 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause + name: netdev doc: @@ -48,7 +50,6 @@ attribute-sets: name: ifindex doc: netdev ifindex type: u32 - value: 1 checks: min: 1 - @@ -66,7 +67,6 @@ operations: - name: dev-get doc: Get / dump information about a netdev. - value: 1 attribute-set: dev do: request: diff --git a/Documentation/userspace-api/netlink/specs.rst b/Documentation/userspace-api/netlink/specs.rst index 6ffe8137cd90..2122e0c4a399 100644 --- a/Documentation/userspace-api/netlink/specs.rst +++ b/Documentation/userspace-api/netlink/specs.rst @@ -24,6 +24,9 @@ YAML specifications can be found under ``Documentation/netlink/specs/`` This document describes details of the schema. See :doc:`intro-specs` for a practical starting guide. +All specs must be licensed under ``GPL-2.0-only OR BSD-3-Clause`` +to allow for easy adoption in user space code. + Compatibility levels ==================== @@ -197,9 +200,15 @@ value Numerical attribute ID, used in serialized Netlink messages. The ``value`` property can be skipped, in which case the attribute ID will be the value of the previous attribute plus one (recursively) -and ``0`` for the first attribute in the attribute set. +and ``1`` for the first attribute in the attribute set. + +Attributes (and operations) use ``1`` as the default value for the first +entry (unlike enums in definitions which start from ``0``) because +entry ``0`` is almost always reserved as undefined. Spec can explicitly +set value to ``0`` if needed. -Note that the ``value`` of an attribute is defined only in its main set. +Note that the ``value`` of an attribute is defined only in its main set +(not in subsets). enum ~~~~ |