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From: Yuval <uv...@us...> - 2005-11-11 23:36:06
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Changes by: uvman Update of /cvsroot/linux-ntfs/ntfsprogs/include/ntfs In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv14000/include/ntfs Modified Files: layout.h Log Message: Give a better name to MFT_RECORD_IS_8 and rename FILE_ATTR_DUP_* to match this meaning. Index: layout.h =================================================================== RCS file: /cvsroot/linux-ntfs/ntfsprogs/include/ntfs/layout.h,v retrieving revision 1.45 retrieving revision 1.46 diff -u -p -r1.45 -r1.46 --- layout.h 7 Nov 2005 22:22:43 -0000 1.45 +++ layout.h 11 Nov 2005 23:35:56 -0000 1.46 @@ -247,15 +247,22 @@ typedef enum { * * These are the so far known MFT_RECORD_* flags (16-bit) which contain * information about the mft record in which they are present. - * _4 and _8 are needed by $Extend sub-files (don't know what to - * call them yet...) + * + * MFT_RECORD_IS_4 exists on all $Extend sub-files. + * It seems that it marks it is a metadata file with MFT record >24, however, + * it is unknown if it is limited to metadata files only. + * + * MFT_RECORD_IS_VIEW_INDEX exists on every metafile with a non directory + * index, that means an INDEX_ROOT and an INDEX_ALLOCATION with a name other + * than "$I30". It is unknown if it is limited to metadata files only. */ typedef enum { - MFT_RECORD_IN_USE = const_cpu_to_le16(0x0001), - MFT_RECORD_IS_DIRECTORY = const_cpu_to_le16(0x0002), - MFT_RECORD_IS_4 = const_cpu_to_le16(0x0004), - MFT_RECORD_IS_8 = const_cpu_to_le16(0x0008), - MFT_REC_SPACE_FILLER = 0xffff /* Just to make flags 16-bit. */ + MFT_RECORD_IN_USE = const_cpu_to_le16(0x0001), + MFT_RECORD_IS_DIRECTORY = const_cpu_to_le16(0x0002), + MFT_RECORD_IS_4 = const_cpu_to_le16(0x0004), + MFT_RECORD_IS_VIEW_INDEX = const_cpu_to_le16(0x0008), + MFT_REC_SPACE_FILLER = 0xffff, /* Just to make flags + 16-bit. */ } __attribute__((__packed__)) MFT_RECORD_FLAGS; /* @@ -857,19 +864,30 @@ typedef enum { and preserves the rest. This mask is used to to obtain all flags that are valid for setting. */ - /* - * FILE_ATTR_DUP_FILE_NAME_INDEX_PRESENT is only present in the - * FILE_NAME attribute (in the field file_attributes). + /** + * FILE_ATTR_I30_INDEX_PRESENT - Is it a directory? + * + * This is a copy of the MFT_RECORD_IS_DIRECTORY bit from the mft + * record, telling us whether this is a directory or not, i.e. whether + * it has an index root attribute named "$I30" or not. + * + * This flag is only present in the FILE_NAME attribute (in the + * file_attributes field). + */ + FILE_ATTR_I30_INDEX_PRESENT = const_cpu_to_le32(0x10000000), + + /** + * FILE_ATTR_VIEW_INDEX_PRESENT - Does have a non-directory index? + * + * This is a copy of the MFT_RECORD_IS_VIEW_INDEX bit from the mft + * record, telling us whether this file has a view index present (eg. + * object id index, quota index, one of the security indexes and the + * reparse points index). + * + * This flag is only present in the $STANDARD_INFORMATION and + * $FILE_NAME attributes. */ - FILE_ATTR_DUP_FILE_NAME_INDEX_PRESENT = const_cpu_to_le32(0x10000000), - /* This is a copy of the corresponding bit from the mft record, telling - us whether this is a directory or not, i.e. whether it has an - index root attribute or not. */ - FILE_ATTR_DUP_VIEW_INDEX_PRESENT = const_cpu_to_le32(0x20000000), - /* This is a copy of the corresponding bit from the mft record, telling - us whether this file has a view index present (eg. object id index, - quota index, one of the security indexes or the encrypting file - system related indexes). */ + FILE_ATTR_VIEW_INDEX_PRESENT = const_cpu_to_le32(0x20000000), } __attribute__((__packed__)) FILE_ATTR_FLAGS; /* |
