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SYSOC-версия 0.50.2.1

Release Notes for Ext2Fsd V0.50 ================================== Features implemented and bugfix from V0.48: 1, Ext4 extent readonly support by Bo Branten. Writing is possible but with no size-extending 2, Ext3 directory index (hash-tree) support 3, Fast fsck (uninit_bg) and group block checksum support 4, Ext4 64k block size support 5, Symlink/special inodes open/read/deletion support 6, Buffer head implemented over cache pages 7, Memory allocation optimization for flexible-size inodes 8, Improve file deletion: don't grab global lock when deleting 9, FIXME: return zero-content for sparse file gaps 10, FIXME: check available spaces before blocks allocation 11, FIXME: refresh stale root dir content after journal replay 12, FIXME: incompatible dentry management for 64k block size 13, FIXME: don't do journal replay for devices set as readonly 14, FIXME: Win7 cmd.exe always reports file sizes as zero 15, FIXME: Win7 memory throttling issue calling CcPinRead 16, FIXME: Ext3Fsd Build issues (SLIST/div64 for Win2k, browser files) 17, FIXME: Compiling test failure (fastio doesn't update i_size) 18, FIXME: Possible Mcb memory leak for symbolic links Supported Ext3/4 features by 0.50: 1, flexible inode size: > 128 bytes, up to block size 2, dir_index: htree directory index 3, filetype: extra file mode in dentry 4, large_file: > 4G files supported 5, sparse_super: super block backup in group descriptor 6, uninit_bg: fast fsck and group checksum 7, extent: reading, writing with no extending. 8, journal: only support replay for internal journal Unsupported Ext3/4 features: 1, journal: log-based operations, external journal 2, extent: size truncating & expanding, file deletion 2, flex_bg: first metadata group 3, EA (extended attributes), ACL support