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authorAnton Altaparmakov <aia21@cantab.net>2006-03-23 16:09:40 +0000
committerAnton Altaparmakov <aia21@cantab.net>2006-03-23 16:09:40 +0000
commit2c2c8c1c211c75d0cc9d7642a569ceac1aecd96d (patch)
tree59cc527665d49ec7882a03302f25bcb4bd69525d /fs/ntfs
parentd4faf636d6f8d8940174e38317161eb08a7a57ec (diff)
downloadlinux-linaro-2c2c8c1c211c75d0cc9d7642a569ceac1aecd96d.tar.gz
NTFS: Improve comments on file attribute flags in fs/ntfs/layout.h.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
Diffstat (limited to 'fs/ntfs')
-rw-r--r--fs/ntfs/ChangeLog1
-rw-r--r--fs/ntfs/layout.h25
2 files changed, 13 insertions, 13 deletions
diff --git a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog
index 41d0381be6e..a3a9d4b9797 100644
--- a/fs/ntfs/ChangeLog
+++ b/fs/ntfs/ChangeLog
@@ -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.
diff --git a/fs/ntfs/layout.h b/fs/ntfs/layout.h
index f4283e12070..d34b93cb8b4 100644
--- a/fs/ntfs/layout.h
+++ b/fs/ntfs/layout.h
@@ -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 {