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updated the readme file
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Bo Branten
113
README.md
113
README.md
@@ -1,6 +1,6 @@
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New
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---
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Latest release
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--------------
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Signed driver for Windows 10 and Windows 11:
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https://www.accum.se/~bosse/ext2fsd/0.71/Ext2Fsd-0.71-setup.exe
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@@ -13,6 +13,60 @@ New
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together with an already installed driver.
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Changes to the source code in git after latest release
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------------------------------------------------------
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Most users can continue to use the latest release, it contains
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an install program and a signed driver. Below is a list of
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what has been implemented in the source code in git since then.
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If you need any of these features you can compile the driver
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or application yourself.
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Driver:
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- Corrected an error that made the debug version of the driver
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crash. A number of calls to Ext2FreePool where misstakenly
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replaced with direct calls to ExFreePool. This error can
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not happen in the release version of the driver.
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- The existing time fields in the superblock and the inodes
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is using 32-bit values for time in seconds since 1970. They
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will overflow in 2038. The ext4 filesystem has therefore
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been extended with new time fields. In the superblock they
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have names ending in "_hi" containing the high 8-bit of the
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the seconds while the existing time fields contain the lower
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32-bit. In the inodes the new fileds has names ending in
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"_extra". They contain both the high 2-bit of the seconds,
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that is bit 33 and 34 and also the nano seconds encoded as
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(nsec << 2 | epoch) The existing fields contain the low 32-bit
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of the seconds.
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- The call "query volume information" will read the fields
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s_mkfs_time and s_mkfs_time_hi from the superblock.
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- The fields s_mtime and s_mtime_hi in the superblock will be
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updated with the current time at mount time.
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- The fields s_wtime and s_wtime_hi in the superblock will be
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updated with the current time at shutdown.
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Application:
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- If an on disk filesystem contains new ext4 features that is
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not supported by the Windows driver a '+' sign will be shown
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after the filesystem name, e.g "EXT4+".
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- More filesystems are recognized. The main window with
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a list of disks and partitions will now tell the type of
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filesystem for BTRFS, XFS, BSD, LVM and RAID (MD) in
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adidition to EXT
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- The used size of swap partitions is listed as zero.
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- The donate dialog box is disabled because the information in
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it is outdated.
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About
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-----
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@@ -43,7 +97,6 @@ Test
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\windows\system32\drivers.
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Now you can read and write ext4 filesystems using the new features
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metadata checksums and 64-bit blocknumbers from Windows.
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my site: http://www.accum.se/~bosse/
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Introduction
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@@ -53,22 +106,10 @@ Introduction
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It's a free and open-source software, everyone can modify or distribute
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under GNU GPLv2.
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Old Development Website
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-------------------
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Matt Wu <mattwu@163.com>
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http://www.ext2fsd.com
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Active Developers
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-----------------
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Matt Wu : http://github.com/matt-wu
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http://blog.dynox.cn
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KaHo Ng : http://github.com/ngkaho1234
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Bo Branten : http://github.com/bobranten
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http://www.accum.se/~bosse
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@@ -76,6 +117,22 @@ Active Developers
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for important help to this project!
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Previous Developers
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-------------------
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Matt Wu : http://github.com/matt-wu
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http://blog.dynox.cn
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KaHo Ng : http://github.com/ngkaho1234
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Old Development Website
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-----------------------
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Matt Wu <mattwu@163.com>
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http://www.ext2fsd.com
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Supported Features by Ext4Fsd
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-----------------------------
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@@ -92,8 +149,28 @@ Supported Features by Ext4Fsd
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11, mount-as-user: specifed uid/gid by user
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Unsupported Ext3/4 Features
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Read-only Ext4 Features
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-----------------------
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If any of the ext4 features below is present on a filesystem
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the Windows driver will automatically mount the fs read-only:
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1, EXT4_FEATURE_RO_COMPAT_BIGALLOC
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2, EXT4_FEATURE_RO_COMPAT_QUOTA
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3, EXT4_FEATURE_RO_COMPAT_PROJECT
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4, EXT4_FEATURE_RO_COMPAT_VERITY
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5, EXT4_FEATURE_RO_COMPAT_ORPHAN_PRESENT
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Unsupported Ext4 Features
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---------------------------
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1, journal: log-based operations, external journal
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2, EA (extended attributes), ACL support
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If any of the ext4 features below is present on a filesystem
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the Windows driver can not mount the fs at all:
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1, EXT4_FEATURE_INCOMPAT_EA_INODE (extended attributes)
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2, EXT4_FEATURE_INCOMPAT_MMP (multiple mount protection)
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3, EXT4_FEATURE_INCOMPAT_INLINE_DATA (storing small files in inode)
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4, EXT4_FEATURE_INCOMPAT_ENCRYPT
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5, EXT4_FEATURE_INCOMPAT_CASEFOLD (case insensitive file names (claimed to be used by SteamOS as default))
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6, EXT4_FEATURE_INCOMPAT_LARGEDIR (3-level htree)
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