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path: root/sys/fs/ext2fs/ext2_extents.h
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* sys: Remove $FreeBSD$: two-line .h patternWarner Losh2023-08-161-2/+0
| | | | Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/
* spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSDWarner Losh2023-05-121-1/+1
| | | | | | | | | The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix
* Improve extents verification logic.Fedor Uporov2021-05-071-5/+5
| | | | | | | | | | It is possible to walk thru inode extents if EXT2FS_PRINT_EXTENTS macro is defined. The extents headers magics and physical blocks ranges are checked during extents walk. Reviewed by: pfg MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D29932
* Add BE architectures support.Fedor Uporov2020-05-171-6/+6
| | | | | | | | | | | | Author of most initial version: pfg (https://reviews.freebsd.org/D23259) Reviewed by: pfg MFC after: 3 months Differential Revision: https://reviews.freebsd.org/D24685 Notes: svn path=/head/; revision=361136
* ext2fs: Initial version of DTrace support.Fedor Uporov2019-04-161-1/+1
| | | | | | | | | | Reviewed by: pfg, gnn MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D19848 Notes: svn path=/head/; revision=346267
* Fix EXT2FS_DEBUG definition usage.Fedor Uporov2018-05-131-1/+1
| | | | | | | | | | Reviewed by: pfg MFC after: 3 months Differential Revision: https://reviews.freebsd.org/D15394 Notes: svn path=/head/; revision=333584
* Add metadata_csum feature support.Fedor Uporov2018-01-141-0/+7
| | | | | | | | | | | Reviewed by: pfg (mentor) Approved by: pfg (mentor) MFC after: 6 months Differential Revision: https://reviews.freebsd.org/D13810 Notes: svn path=/head/; revision=327977
* Add 64bit feature support.Fedor Uporov2018-01-051-1/+2
| | | | | | | | | | | Reviewed by: kevlo, pfg (mentor) Approved by: pfg (mentor) MFC after: 6 months Differential Revision: https://reviews.freebsd.org/D11530 Notes: svn path=/head/; revision=327584
* sys/fs: further adoption of SPDX licensing ID tags.Pedro F. Giffuni2017-11-271-0/+2
| | | | | | | | | | | | | | | Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. Notes: svn path=/head/; revision=326268
* Add inital extents read-write support.Fedor Uporov2017-10-171-9/+31
| | | | | | | | | | | Approved by: pfg (mentor) MFC after: 6 months RelNotes: Yes Differential Revision: https://reviews.freebsd.org/D12087 Notes: svn path=/head/; revision=324706
* style(9) cleanups.Pedro F. Giffuni2016-12-281-14/+15
| | | | | | | | | Just to reduce some of the issues found with indent(1). MFC after: 1 week Notes: svn path=/head/; revision=310705
* ext2fs(5): Cosmetic cleanups, mostly to the ext4 code.Pedro F. Giffuni2016-06-071-2/+2
| | | | | | | Obtained from: NetBSD Notes: svn path=/head/; revision=301559
* Ext4: Use boolean type instead of '0' and '1'Pedro F. Giffuni2016-02-111-1/+1
| | | | | | | | | There are precedents of uses of bool in the kernel and it is incorrect style to use integers as replacement for a boolean type. Notes: svn path=/head/; revision=295523
* ext4: add support for reading sparse filesPedro F. Giffuni2016-01-111-1/+5
| | | | | | | | | | | | | Add support for sparse files in ext4. Also implement read-ahead, which greatly increases the performance when transferring files from ext4. Both features implemented by Damjan Jovanovic. PR: 205816 MFC after: 1 week Notes: svn path=/head/; revision=293680
* ext2fs: use of tab vs spaces.Pedro F. Giffuni2014-02-281-5/+5
| | | | | | | | | | | | | Consistently use a single tab after a #define as mentioned in style(9). Use tabs instead of space for indenting. Fix a typo: "hash_vesion". No functional change. MFC after: 3 days Notes: svn path=/head/; revision=262623
* Add read-only support for extents in ext2fs.Pedro F. Giffuni2013-08-121-0/+99
Basic support for extents was implemented by Zheng Liu as part of his Google Summer of Code in 2010. This support is read-only at this time. In addition to extents we also support the huge_file extension for read-only purposes. This works nicely with the additional support for birthtime/nanosec timestamps and dir_index that have been added lately. The implementation may not work for all ext4 filesystems as it doesn't support some features that are being enabled by default on recent linux like flex_bg. Nevertheless, the feature should be very useful for migration or simple access in filesystems that have been converted from ext2/3 or don't use incompatible features. Special thanks to Zheng Liu for his dedication and continued work to support ext2 in FreeBSD. Submitted by: Zheng Liu (lz@) Reviewed by: Mike Ma, Christoph Mallon (previous version) Sponsored by: Google Inc. MFC after: 3 weeks Notes: svn path=/head/; revision=254260
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