[PATCH v17 00/10] NTFS read-write driver GPL implementation by Paragon Software

Konstantin Komarov
2020-12-31T15:27:11Z

This patch adds NTFS Read-Write driver to fs/ntfs3.

Having decades of expertise in commercial file systems development and huge
test coverage, we at Paragon Software GmbH want to make our contribution to
the Open Source Community by providing implementation of NTFS Read-Write
driver for the Linux Kernel.

This is fully functional NTFS Read-Write driver. Current version works with
NTFS(including v3.1) and normal/compressed/sparse files and supports journal replaying.

We plan to support this version after the codebase once merged, and add new
features and fix bugs. For example, full journaling support over JBD will be
added in later updates.

v2:
- patch splitted to chunks (file-wise)
- build issues fixed
- sparse and checkpatch.pl errors fixed
- NULL pointer dereference on mkfs.ntfs-formatted volume mount fixed
- cosmetics + code cleanup

v3:
- added acl, noatime, no_acs_rules, prealloc mount options
- added fiemap support
- fixed encodings support
- removed typedefs
- adapted Kernel-way logging mechanisms
- fixed typos and corner-case issues

v4:
- atomic_open() refactored
- code style updated
- bugfixes

v5:
- nls/nls_alt mount options added
- Unicode conversion fixes
- Improved very fragmented files operations
- logging cosmetics

v6:
- Security Descriptors processing changed
added system.ntfs_security xattr to set
SD
- atomic_open() optimized
- cosmetics

v7:
- Security Descriptors validity checks added (by Mark Harmstone)
- atomic_open() fixed for the compressed file creation with directio
case
- remount support
- temporarily removed readahead usage
- cosmetics

v8:
- Compressed files operations fixed

v9:
- Further cosmetics applied as suggested
by Joe Perches

v10:
- operations with compressed/sparse files on very fragmented volumes improved
- reduced memory consumption for above cases

v11:
- further compressed files optimizations: reads/writes are now skipping bufferization
- journal wipe to the initial state optimized (bufferization is also skipped)
- optimized run storage (re-packing cluster metainformation)
- fixes based on Matthew Wilcox feedback to the v10
- compressed/sparse/normal could be set for empty files with 'system.ntfs_attrib' xattr

v12:
- nls_alt mount option removed after discussion with Pali Rohar
- fixed ni_repack()
- fixed resident files transition to non-resident when size increasing

v13:
- nested_lock fix (lockdep)
- out-of-bounds read fix (KASAN warning)
- resident->nonresident transition fixed for compressed files
- load_nls() missed fix applied
- some sparse utility warnings fixes

v14:
- support for additional compression types (we've adapted WIMLIB's
implementation, authored by Eric Biggers, into ntfs3)

v15:
- kernel test robot warnings fixed
- lzx/xpress compression license headers updated

v16:
- lzx/xpress moved to initial ntfs-3g plugin code
- mutexes instead of a global spinlock for compresions
- FALLOC_FL_PUNCH_HOLE and FALLOC_FL_COLLAPSE_RANGE implemented
- CONFIG_NTFS3_FS_POSIX_ACL added

v17:
- FALLOC_FL_COLLAPSE_RANGE fixed
- fixes for Mattew Wilcox's and Andy Lavr's concerns

Konstantin Komarov (10):
fs/ntfs3: Add headers and misc files
fs/ntfs3: Add initialization of super block
fs/ntfs3: Add bitmap
fs/ntfs3: Add file operations and implementation
fs/ntfs3: Add attrib operations
fs/ntfs3: Add compression
fs/ntfs3: Add NTFS journal
fs/ntfs3: Add Kconfig, Makefile and doc
fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile
fs/ntfs3: Add MAINTAINERS

Documentation/filesystems/ntfs3.rst | 107 +
MAINTAINERS | 7 +
fs/Kconfig | 1 +
fs/Makefile | 1 +
fs/ntfs3/Kconfig | 41 +
fs/ntfs3/Makefile | 31 +
fs/ntfs3/attrib.c | 2081 +++++++++++
fs/ntfs3/attrlist.c | 463 +++
fs/ntfs3/bitfunc.c | 135 +
fs/ntfs3/bitmap.c | 1504 ++++++++
fs/ntfs3/debug.h | 61 +
fs/ntfs3/dir.c | 570 +++
fs/ntfs3/file.c | 1140 ++++++
fs/ntfs3/frecord.c | 3088 ++++++++++++++++
fs/ntfs3/fslog.c | 5220 +++++++++++++++++++++++++++
fs/ntfs3/fsntfs.c | 2527 +++++++++++++
fs/ntfs3/index.c | 2662 ++++++++++++++
fs/ntfs3/inode.c | 2051 +++++++++++
fs/ntfs3/lib/decompress_common.c | 332 ++
fs/ntfs3/lib/decompress_common.h | 352 ++
fs/ntfs3/lib/lib.h | 26 +
fs/ntfs3/lib/lzx_decompress.c | 683 ++++
fs/ntfs3/lib/xpress_decompress.c | 155 +
fs/ntfs3/lznt.c | 452 +++
fs/ntfs3/namei.c | 590 +++
fs/ntfs3/ntfs.h | 1237 +++++++
fs/ntfs3/ntfs_fs.h | 1049 ++++++
fs/ntfs3/record.c | 614 ++++
fs/ntfs3/run.c | 1254 +++++++
fs/ntfs3/super.c | 1477 ++++++++
fs/ntfs3/upcase.c | 77 +
fs/ntfs3/xattr.c | 1072 ++++++
32 files changed, 31060 insertions(+)
create mode 100644 Documentation/filesystems/ntfs3.rst
create mode 100644 fs/ntfs3/Kconfig
create mode 100644 fs/ntfs3/Makefile
create mode 100644 fs/ntfs3/attrib.c
create mode 100644 fs/ntfs3/attrlist.c
create mode 100644 fs/ntfs3/bitfunc.c
create mode 100644 fs/ntfs3/bitmap.c
create mode 100644 fs/ntfs3/debug.h
create mode 100644 fs/ntfs3/dir.c
create mode 100644 fs/ntfs3/file.c
create mode 100644 fs/ntfs3/frecord.c
create mode 100644 fs/ntfs3/fslog.c
create mode 100644 fs/ntfs3/fsntfs.c
create mode 100644 fs/ntfs3/index.c
create mode 100644 fs/ntfs3/inode.c
create mode 100644 fs/ntfs3/lib/decompress_common.c
create mode 100644 fs/ntfs3/lib/decompress_common.h
create mode 100644 fs/ntfs3/lib/lib.h
create mode 100644 fs/ntfs3/lib/lzx_decompress.c
create mode 100644 fs/ntfs3/lib/xpress_decompress.c
create mode 100644 fs/ntfs3/lznt.c
create mode 100644 fs/ntfs3/namei.c
create mode 100644 fs/ntfs3/ntfs.h
create mode 100644 fs/ntfs3/ntfs_fs.h
create mode 100644 fs/ntfs3/record.c
create mode 100644 fs/ntfs3/run.c
create mode 100644 fs/ntfs3/super.c
create mode 100644 fs/ntfs3/upcase.c
create mode 100644 fs/ntfs3/xattr.c

base-commit: f6e1ea19649216156576aeafa784e3b4cee45549
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2.25.4