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NTFS: Improve comments on file attribute flags in fs/ntfs/layout.h.

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Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
This commit is contained in:
Anton Altaparmakov 2006-03-23 16:09:40 +00:00
parent d4faf636d6
commit 2c2c8c1c21
2 changed files with 13 additions and 13 deletions
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1
fs/ntfs/ChangeLog
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@ -37,6 +37,7 @@ ToDo/Notes:
- Limit name length in fs/ntfs/unistr.c::ntfs_nlstoucs() to maximum
allowed by NTFS, i.e. 255 Unicode characters, not including the
terminating NULL (which is not stored on disk).
- Improve comments on file attribute flags in fs/ntfs/layout.h.
2.1.26 - Minor bug fixes and updates.

25
fs/ntfs/layout.h
View file

@ -801,13 +801,16 @@ typedef struct {
typedef ATTR_RECORD ATTR_REC;
/*
* File attribute flags (32-bit).
* File attribute flags (32-bit) appearing in the file_attributes fields of the
* STANDARD_INFORMATION attribute of MFT_RECORDs and the FILENAME_ATTR
* attributes of MFT_RECORDs and directory index entries.
*
* All of the below flags appear in the directory index entries but only some
* appear in the STANDARD_INFORMATION attribute whilst only some others appear
* in the FILENAME_ATTR attribute of MFT_RECORDs. Unless otherwise stated the
* flags appear in all of the above.
*/
enum {
/*
* The following flags are only present in the STANDARD_INFORMATION
* attribute (in the field file_attributes).
*/
FILE_ATTR_READONLY = const_cpu_to_le32(0x00000001),
FILE_ATTR_HIDDEN = const_cpu_to_le32(0x00000002),
FILE_ATTR_SYSTEM = const_cpu_to_le32(0x00000004),
@ -839,18 +842,14 @@ enum {
F_A_COMPRESSED, and F_A_ENCRYPTED and preserves the rest. This mask
is used to to obtain all flags that are valid for setting. */
/*
* The following flag is only present in the FILE_NAME attribute (in
* the field file_attributes).
* The flag FILE_ATTR_DUP_FILENAME_INDEX_PRESENT is present in all
* FILENAME_ATTR attributes but not in the STANDARD_INFORMATION
* attribute of an mft record.
*/
FILE_ATTR_DUP_FILE_NAME_INDEX_PRESENT = const_cpu_to_le32(0x10000000),
/* Note, 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. */
/*
* The following flag is present both in the STANDARD_INFORMATION
* attribute and in the FILE_NAME attribute (in the field
* file_attributes).
*/
FILE_ATTR_DUP_VIEW_INDEX_PRESENT = const_cpu_to_le32(0x20000000),
/* Note, 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
@ -891,7 +890,7 @@ typedef struct {
Windows this is only updated when
accessed if some time delta has
passed since the last update. Also,
last access times updates can be
last access time updates can be
disabled altogether for speed. */
/* 32*/ FILE_ATTR_FLAGS file_attributes; /* Flags describing the file. */
/* 36*/ union {