#ifndef __XFS_LOG_FORMAT_H__
#define __XFS_LOG_FORMAT_H__
+/*
+ * On-disk Log Format definitions.
+ *
+ * This file contains all the on-disk format definitions used within the log. It
+ * includes the physical log structure itself, as well as all the log item
+ * format structures that are written into the log and intepreted by log
+ * recovery. We start with the physical log format definitions, and then work
+ * through all the log items definitions and everything they encode into the
+ * log.
+ */
typedef __uint32_t xlog_tid_t;
#define XLOG_MIN_ICLOGS 2
uint i_type; /* type of region */
} xfs_log_iovec_t;
+
+/*
+ * Inode Log Item Format definitions.
+ *
+ * This is the structure used to lay out an inode log item in the
+ * log. The size of the inline data/extents/b-tree root to be logged
+ * (if any) is indicated in the ilf_dsize field. Changes to this structure
+ * must be added on to the end.
+ */
+typedef struct xfs_inode_log_format {
+ __uint16_t ilf_type; /* inode log item type */
+ __uint16_t ilf_size; /* size of this item */
+ __uint32_t ilf_fields; /* flags for fields logged */
+ __uint16_t ilf_asize; /* size of attr d/ext/root */
+ __uint16_t ilf_dsize; /* size of data/ext/root */
+ __uint64_t ilf_ino; /* inode number */
+ union {
+ __uint32_t ilfu_rdev; /* rdev value for dev inode*/
+ uuid_t ilfu_uuid; /* mount point value */
+ } ilf_u;
+ __int64_t ilf_blkno; /* blkno of inode buffer */
+ __int32_t ilf_len; /* len of inode buffer */
+ __int32_t ilf_boffset; /* off of inode in buffer */
+} xfs_inode_log_format_t;
+
+typedef struct xfs_inode_log_format_32 {
+ __uint16_t ilf_type; /* inode log item type */
+ __uint16_t ilf_size; /* size of this item */
+ __uint32_t ilf_fields; /* flags for fields logged */
+ __uint16_t ilf_asize; /* size of attr d/ext/root */
+ __uint16_t ilf_dsize; /* size of data/ext/root */
+ __uint64_t ilf_ino; /* inode number */
+ union {
+ __uint32_t ilfu_rdev; /* rdev value for dev inode*/
+ uuid_t ilfu_uuid; /* mount point value */
+ } ilf_u;
+ __int64_t ilf_blkno; /* blkno of inode buffer */
+ __int32_t ilf_len; /* len of inode buffer */
+ __int32_t ilf_boffset; /* off of inode in buffer */
+} __attribute__((packed)) xfs_inode_log_format_32_t;
+
+typedef struct xfs_inode_log_format_64 {
+ __uint16_t ilf_type; /* inode log item type */
+ __uint16_t ilf_size; /* size of this item */
+ __uint32_t ilf_fields; /* flags for fields logged */
+ __uint16_t ilf_asize; /* size of attr d/ext/root */
+ __uint16_t ilf_dsize; /* size of data/ext/root */
+ __uint32_t ilf_pad; /* pad for 64 bit boundary */
+ __uint64_t ilf_ino; /* inode number */
+ union {
+ __uint32_t ilfu_rdev; /* rdev value for dev inode*/
+ uuid_t ilfu_uuid; /* mount point value */
+ } ilf_u;
+ __int64_t ilf_blkno; /* blkno of inode buffer */
+ __int32_t ilf_len; /* len of inode buffer */
+ __int32_t ilf_boffset; /* off of inode in buffer */
+} xfs_inode_log_format_64_t;
+
+/*
+ * Flags for xfs_trans_log_inode flags field.
+ */
+#define XFS_ILOG_CORE 0x001 /* log standard inode fields */
+#define XFS_ILOG_DDATA 0x002 /* log i_df.if_data */
+#define XFS_ILOG_DEXT 0x004 /* log i_df.if_extents */
+#define XFS_ILOG_DBROOT 0x008 /* log i_df.i_broot */
+#define XFS_ILOG_DEV 0x010 /* log the dev field */
+#define XFS_ILOG_UUID 0x020 /* log the uuid field */
+#define XFS_ILOG_ADATA 0x040 /* log i_af.if_data */
+#define XFS_ILOG_AEXT 0x080 /* log i_af.if_extents */
+#define XFS_ILOG_ABROOT 0x100 /* log i_af.i_broot */
+
+
+/*
+ * The timestamps are dirty, but not necessarily anything else in the inode
+ * core. Unlike the other fields above this one must never make it to disk
+ * in the ilf_fields of the inode_log_format, but is purely store in-memory in
+ * ili_fields in the inode_log_item.
+ */
+#define XFS_ILOG_TIMESTAMP 0x4000
+
+#define XFS_ILOG_NONCORE (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
+ XFS_ILOG_DBROOT | XFS_ILOG_DEV | \
+ XFS_ILOG_UUID | XFS_ILOG_ADATA | \
+ XFS_ILOG_AEXT | XFS_ILOG_ABROOT)
+
+#define XFS_ILOG_DFORK (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
+ XFS_ILOG_DBROOT)
+
+#define XFS_ILOG_AFORK (XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
+ XFS_ILOG_ABROOT)
+
+#define XFS_ILOG_ALL (XFS_ILOG_CORE | XFS_ILOG_DDATA | \
+ XFS_ILOG_DEXT | XFS_ILOG_DBROOT | \
+ XFS_ILOG_DEV | XFS_ILOG_UUID | \
+ XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
+ XFS_ILOG_ABROOT | XFS_ILOG_TIMESTAMP)
+
+static inline int xfs_ilog_fbroot(int w)
+{
+ return (w == XFS_DATA_FORK ? XFS_ILOG_DBROOT : XFS_ILOG_ABROOT);
+}
+
+static inline int xfs_ilog_fext(int w)
+{
+ return (w == XFS_DATA_FORK ? XFS_ILOG_DEXT : XFS_ILOG_AEXT);
+}
+
+static inline int xfs_ilog_fdata(int w)
+{
+ return (w == XFS_DATA_FORK ? XFS_ILOG_DDATA : XFS_ILOG_ADATA);
+}
+
+/*
+ * Incore version of the on-disk inode core structures. We log this directly
+ * into the journal in host CPU format (for better or worse) and as such
+ * directly mirrors the xfs_dinode structure as it must contain all the same
+ * information.
+ */
+typedef struct xfs_ictimestamp {
+ __int32_t t_sec; /* timestamp seconds */
+ __int32_t t_nsec; /* timestamp nanoseconds */
+} xfs_ictimestamp_t;
+
+/*
+ * NOTE: This structure must be kept identical to struct xfs_dinode
+ * in xfs_dinode.h except for the endianness annotations.
+ */
+typedef struct xfs_icdinode {
+ __uint16_t di_magic; /* inode magic # = XFS_DINODE_MAGIC */
+ __uint16_t di_mode; /* mode and type of file */
+ __int8_t di_version; /* inode version */
+ __int8_t di_format; /* format of di_c data */
+ __uint16_t di_onlink; /* old number of links to file */
+ __uint32_t di_uid; /* owner's user id */
+ __uint32_t di_gid; /* owner's group id */
+ __uint32_t di_nlink; /* number of links to file */
+ __uint16_t di_projid_lo; /* lower part of owner's project id */
+ __uint16_t di_projid_hi; /* higher part of owner's project id */
+ __uint8_t di_pad[6]; /* unused, zeroed space */
+ __uint16_t di_flushiter; /* incremented on flush */
+ xfs_ictimestamp_t di_atime; /* time last accessed */
+ xfs_ictimestamp_t di_mtime; /* time last modified */
+ xfs_ictimestamp_t di_ctime; /* time created/inode modified */
+ xfs_fsize_t di_size; /* number of bytes in file */
+ xfs_drfsbno_t di_nblocks; /* # of direct & btree blocks used */
+ xfs_extlen_t di_extsize; /* basic/minimum extent size for file */
+ xfs_extnum_t di_nextents; /* number of extents in data fork */
+ xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/
+ __uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */
+ __int8_t di_aformat; /* format of attr fork's data */
+ __uint32_t di_dmevmask; /* DMIG event mask */
+ __uint16_t di_dmstate; /* DMIG state info */
+ __uint16_t di_flags; /* random flags, XFS_DIFLAG_... */
+ __uint32_t di_gen; /* generation number */
+
+ /* di_next_unlinked is the only non-core field in the old dinode */
+ xfs_agino_t di_next_unlinked;/* agi unlinked list ptr */
+
+ /* start of the extended dinode, writable fields */
+ __uint32_t di_crc; /* CRC of the inode */
+ __uint64_t di_changecount; /* number of attribute changes */
+ xfs_lsn_t di_lsn; /* flush sequence */
+ __uint64_t di_flags2; /* more random flags */
+ __uint8_t di_pad2[16]; /* more padding for future expansion */
+
+ /* fields only written to during inode creation */
+ xfs_ictimestamp_t di_crtime; /* time created */
+ xfs_ino_t di_ino; /* inode number */
+ uuid_t di_uuid; /* UUID of the filesystem */
+
+ /* structure must be padded to 64 bit alignment */
+} xfs_icdinode_t;
+
+static inline uint xfs_icdinode_size(int version)
+{
+ if (version == 3)
+ return sizeof(struct xfs_icdinode);
+ return offsetof(struct xfs_icdinode, di_next_unlinked);
+}
#endif /* __XFS_LOG_FORMAT_H__ */
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