typedef struct {
/*Ofs*/
/* 0 NTFS_RECORD; -- Unfolded here as gcc doesn't like unnamed structs. */
-/* 0*/ NTFS_RECORD_TYPES magic;/* The magic is "RSTR". */
-/* 4*/ u16 usa_ofs; /* See NTFS_RECORD definition in layout.h.
+/* 0*/ NTFS_RECORD_TYPE magic; /* The magic is "RSTR". */
+/* 4*/ le16 usa_ofs; /* See NTFS_RECORD definition in layout.h.
When creating, set this to be immediately
after this header structure (without any
alignment). */
-/* 6*/ u16 usa_count; /* See NTFS_RECORD definition in layout.h. */
+/* 6*/ le16 usa_count; /* See NTFS_RECORD definition in layout.h. */
-/* 8*/ LSN chkdsk_lsn; /* The last log file sequence number found by
+/* 8*/ leLSN chkdsk_lsn; /* The last log file sequence number found by
chkdsk. Only used when the magic is changed
to "CHKD". Otherwise this is zero. */
-/* 16*/ u32 system_page_size; /* Byte size of system pages when the log file
+/* 16*/ le32 system_page_size; /* Byte size of system pages when the log file
was created, has to be >= 512 and a power of
2. Use this to calculate the required size
of the usa (usa_count) and add it to usa_ofs.
Then verify that the result is less than the
value of the restart_area_offset. */
-/* 20*/ u32 log_page_size; /* Byte size of log file pages, has to be >=
+/* 20*/ le32 log_page_size; /* Byte size of log file pages, has to be >=
512 and a power of 2. The default is 4096
and is used when the system page size is
between 4096 and 8192. Otherwise this is
set to the system page size instead. */
-/* 24*/ u16 restart_area_offset;/* Byte offset from the start of this header to
+/* 24*/ le16 restart_area_offset;/* Byte offset from the start of this header to
the RESTART_AREA. Value has to be aligned
to 8-byte boundary. When creating, set this
to be after the usa. */
-/* 26*/ s16 minor_ver; /* Log file minor version. Only check if major
+/* 26*/ sle16 minor_ver; /* Log file minor version. Only check if major
version is 1. */
-/* 28*/ s16 major_ver; /* Log file major version. We only support
+/* 28*/ sle16 major_ver; /* Log file major version. We only support
version 1.1. */
/* sizeof() = 30 (0x1e) bytes */
} __attribute__ ((__packed__)) RESTART_PAGE_HEADER;
* These are the so far known RESTART_AREA_* flags (16-bit) which contain
* information about the log file in which they are present.
*/
-typedef enum {
+enum {
RESTART_VOLUME_IS_CLEAN = const_cpu_to_le16(0x0002),
- REST_AREA_SPACE_FILLER = 0xffff /* Just to make flags 16-bit. */
-} __attribute__ ((__packed__)) RESTART_AREA_FLAGS;
+ RESTART_SPACE_FILLER = 0xffff, /* gcc: Force enum bit width to 16. */
+} __attribute__ ((__packed__));
+
+typedef le16 RESTART_AREA_FLAGS;
/*
* Log file restart area record. The offset of this record is found by adding
*/
typedef struct {
/*Ofs*/
-/* 0*/ LSN current_lsn; /* The current, i.e. last LSN inside the log
+/* 0*/ leLSN current_lsn; /* The current, i.e. last LSN inside the log
when the restart area was last written.
This happens often but what is the interval?
Is it just fixed time or is it every time a
check point is written or somethine else?
On create set to 0. */
-/* 8*/ u16 log_clients; /* Number of log client records in the array of
+/* 8*/ le16 log_clients; /* Number of log client records in the array of
log client records which follows this
restart area. Must be 1. */
-/* 10*/ u16 client_free_list; /* The index of the first free log client record
+/* 10*/ le16 client_free_list; /* The index of the first free log client record
in the array of log client records.
LOGFILE_NO_CLIENT means that there are no
free log client records in the array.
and presumably later, the logfile is always
open, even on clean shutdown so this should
always be LOGFILE_NO_CLIENT. */
-/* 12*/ u16 client_in_use_list; /* The index of the first in-use log client
+/* 12*/ le16 client_in_use_list;/* The index of the first in-use log client
record in the array of log client records.
LOGFILE_NO_CLIENT means that there are no
in-use log client records in the array. If
clean. If on the other hand the logfile is
open and this bit is clear, we can be almost
certain that the logfile is dirty. */
-/* 16*/ u32 seq_number_bits; /* How many bits to use for the sequence
+/* 16*/ le32 seq_number_bits; /* How many bits to use for the sequence
number. This is calculated as 67 - the
number of bits required to store the logfile
size in bytes and this can be used in with
the specified file_size as a consistency
check. */
-/* 20*/ u16 restart_area_length;/* Length of the restart area including the
+/* 20*/ le16 restart_area_length;/* Length of the restart area including the
client array. Following checks required if
version matches. Otherwise, skip them.
restart_area_offset + restart_area_length
restart_area_length has to be >=
client_array_offset + (log_clients *
sizeof(log client record)). */
-/* 22*/ u16 client_array_offset;/* Offset from the start of this record to
+/* 22*/ le16 client_array_offset;/* Offset from the start of this record to
the first log client record if versions are
matched. When creating, set this to be
after this restart area structure, aligned
the client array. This probably means that
the RESTART_AREA record is actually bigger
in WinXP and later. */
-/* 24*/ s64 file_size; /* Usable byte size of the log file. If the
+/* 24*/ sle64 file_size; /* Usable byte size of the log file. If the
restart_area_offset + the offset of the
file_size are > 510 then corruption has
occured. This is the very first check when
then it has to be at least big enough to
store the two restart pages and 48 (0x30)
log record pages. */
-/* 32*/ u32 last_lsn_data_length;/* Length of data of last LSN, not including
+/* 32*/ le32 last_lsn_data_length;/* Length of data of last LSN, not including
the log record header. On create set to
0. */
-/* 36*/ u16 log_record_header_length;/* Byte size of the log record header. If
- the version matches then check that the
+/* 36*/ le16 log_record_header_length;/* Byte size of the log record header.
+ If the version matches then check that the
value of log_record_header_length is a
multiple of 8, i.e.
(log_record_header_length + 7) & ~7 ==
log_record_header_length. When creating set
it to sizeof(LOG_RECORD_HEADER), aligned to
8 bytes. */
-/* 38*/ u16 log_page_data_offset;/* Offset to the start of data in a log record
+/* 38*/ le16 log_page_data_offset;/* Offset to the start of data in a log record
page. Must be a multiple of 8. On create
set it to immediately after the update
sequence array of the log record page. */
-/* 40*/ u32 restart_log_open_count;/* A counter that gets incremented every time
- the logfile is restarted which happens at
- mount time when the logfile is opened. When
- creating set to a random value. Win2k sets
- it to the low 32 bits of the current system
- time in NTFS format (see time.h). */
-/* 44*/ u32 reserved; /* Reserved/alignment to 8-byte boundary. */
+/* 40*/ le32 restart_log_open_count;/* A counter that gets incremented every
+ time the logfile is restarted which happens
+ at mount time when the logfile is opened.
+ When creating set to a random value. Win2k
+ sets it to the low 32 bits of the current
+ system time in NTFS format (see time.h). */
+/* 44*/ le32 reserved; /* Reserved/alignment to 8-byte boundary. */
/* sizeof() = 48 (0x30) bytes */
} __attribute__ ((__packed__)) RESTART_AREA;
*/
typedef struct {
/*Ofs*/
-/* 0*/ LSN oldest_lsn; /* Oldest LSN needed by this client. On create
+/* 0*/ leLSN oldest_lsn; /* Oldest LSN needed by this client. On create
set to 0. */
-/* 8*/ LSN client_restart_lsn; /* LSN at which this client needs to restart
+/* 8*/ leLSN client_restart_lsn;/* LSN at which this client needs to restart
the volume, i.e. the current position within
the log file. At present, if clean this
should = current_lsn in restart area but it
probably also = current_lsn when dirty most
of the time. At create set to 0. */
-/* 16*/ u16 prev_client; /* The offset to the previous log client record
+/* 16*/ le16 prev_client; /* The offset to the previous log client record
in the array of log client records.
LOGFILE_NO_CLIENT means there is no previous
client record, i.e. this is the first one.
This is always LOGFILE_NO_CLIENT. */
-/* 18*/ u16 next_client; /* The offset to the next log client record in
+/* 18*/ le16 next_client; /* The offset to the next log client record in
the array of log client records.
LOGFILE_NO_CLIENT means there are no next
client records, i.e. this is the last one.
This is always LOGFILE_NO_CLIENT. */
-/* 20*/ u16 seq_number; /* On Win2k and presumably earlier, this is set
+/* 20*/ le16 seq_number; /* On Win2k and presumably earlier, this is set
to zero every time the logfile is restarted
and it is incremented when the logfile is
closed at dismount time. Thus it is 0 when
dirty and 1 when clean. On WinXP and
presumably later, this is always 0. */
/* 22*/ u8 reserved[6]; /* Reserved/alignment. */
-/* 28*/ u32 client_name_length; /* Length of client name in bytes. Should
+/* 28*/ le32 client_name_length;/* Length of client name in bytes. Should
always be 8. */
/* 32*/ ntfschar client_name[64];/* Name of the client in Unicode. Should
always be "NTFS" with the remaining bytes
git://git.onelab.eu / linux-2.6.git / blobdiff