diff options
Diffstat (limited to 'fs/ntfs/layout.h')
| -rw-r--r-- | fs/ntfs/layout.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/fs/ntfs/layout.h b/fs/ntfs/layout.h index bb408d4dcbb0f2..f4283e12070914 100644 --- a/fs/ntfs/layout.h +++ b/fs/ntfs/layout.h @@ -769,7 +769,7 @@ typedef struct { compressed. (This effectively limits the compression unit size to be a power of two clusters.) WinNT4 only uses a value of 4. - Sparse files also have this set to 4. */ + Sparse files have this set to 0 on XPSP2. */ /* 35*/ u8 reserved[5]; /* Align to 8-byte boundary. */ /* The sizes below are only used when lowest_vcn is zero, as otherwise it would be difficult to keep them up-to-date.*/ @@ -1076,16 +1076,21 @@ typedef struct { /* 20*/ sle64 last_access_time; /* Time this mft record was last accessed. */ /* 28*/ sle64 allocated_size; /* Byte size of on-disk allocated space - for the data attribute. So for - normal $DATA, this is the + for the unnamed data attribute. So + for normal $DATA, this is the allocated_size from the unnamed $DATA attribute and for compressed and/or sparse $DATA, this is the compressed_size from the unnamed - $DATA attribute. NOTE: This is a - multiple of the cluster size. */ -/* 30*/ sle64 data_size; /* Byte size of actual data in data - attribute. */ + $DATA attribute. For a directory or + other inode without an unnamed $DATA + attribute, this is always 0. NOTE: + This is a multiple of the cluster + size. */ +/* 30*/ sle64 data_size; /* Byte size of actual data in unnamed + data attribute. For a directory or + other inode without an unnamed $DATA + attribute, this is always 0. */ /* 38*/ FILE_ATTR_FLAGS file_attributes; /* Flags describing the file. */ /* 3c*/ union { /* 3c*/ struct { |