[Feature][T106]ZXW P56U09 code
Only Configure: Yes
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No
Change-Id: I3cbd8b420271eb20c2b40ebe5c78f83059cd42f3
diff --git a/ap/os/linux/linux-3.4.x/fs/xfs/xfs_trans.h b/ap/os/linux/linux-3.4.x/fs/xfs/xfs_trans.h
new file mode 100644
index 0000000..f611870
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/fs/xfs/xfs_trans.h
@@ -0,0 +1,501 @@
+/*
+ * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#ifndef __XFS_TRANS_H__
+#define __XFS_TRANS_H__
+
+struct xfs_log_item;
+
+/*
+ * This is the structure written in the log at the head of
+ * every transaction. It identifies the type and id of the
+ * transaction, and contains the number of items logged by
+ * the transaction so we know how many to expect during recovery.
+ *
+ * Do not change the below structure without redoing the code in
+ * xlog_recover_add_to_trans() and xlog_recover_add_to_cont_trans().
+ */
+typedef struct xfs_trans_header {
+ uint th_magic; /* magic number */
+ uint th_type; /* transaction type */
+ __int32_t th_tid; /* transaction id (unused) */
+ uint th_num_items; /* num items logged by trans */
+} xfs_trans_header_t;
+
+#define XFS_TRANS_HEADER_MAGIC 0x5452414e /* TRAN */
+
+/*
+ * Log item types.
+ */
+#define XFS_LI_EFI 0x1236
+#define XFS_LI_EFD 0x1237
+#define XFS_LI_IUNLINK 0x1238
+#define XFS_LI_INODE 0x123b /* aligned ino chunks, var-size ibufs */
+#define XFS_LI_BUF 0x123c /* v2 bufs, variable sized inode bufs */
+#define XFS_LI_DQUOT 0x123d
+#define XFS_LI_QUOTAOFF 0x123e
+
+#define XFS_LI_TYPE_DESC \
+ { XFS_LI_EFI, "XFS_LI_EFI" }, \
+ { XFS_LI_EFD, "XFS_LI_EFD" }, \
+ { XFS_LI_IUNLINK, "XFS_LI_IUNLINK" }, \
+ { XFS_LI_INODE, "XFS_LI_INODE" }, \
+ { XFS_LI_BUF, "XFS_LI_BUF" }, \
+ { XFS_LI_DQUOT, "XFS_LI_DQUOT" }, \
+ { XFS_LI_QUOTAOFF, "XFS_LI_QUOTAOFF" }
+
+/*
+ * Transaction types. Used to distinguish types of buffers.
+ */
+#define XFS_TRANS_SETATTR_NOT_SIZE 1
+#define XFS_TRANS_SETATTR_SIZE 2
+#define XFS_TRANS_INACTIVE 3
+#define XFS_TRANS_CREATE 4
+#define XFS_TRANS_CREATE_TRUNC 5
+#define XFS_TRANS_TRUNCATE_FILE 6
+#define XFS_TRANS_REMOVE 7
+#define XFS_TRANS_LINK 8
+#define XFS_TRANS_RENAME 9
+#define XFS_TRANS_MKDIR 10
+#define XFS_TRANS_RMDIR 11
+#define XFS_TRANS_SYMLINK 12
+#define XFS_TRANS_SET_DMATTRS 13
+#define XFS_TRANS_GROWFS 14
+#define XFS_TRANS_STRAT_WRITE 15
+#define XFS_TRANS_DIOSTRAT 16
+/* 17 was XFS_TRANS_WRITE_SYNC */
+#define XFS_TRANS_WRITEID 18
+#define XFS_TRANS_ADDAFORK 19
+#define XFS_TRANS_ATTRINVAL 20
+#define XFS_TRANS_ATRUNCATE 21
+#define XFS_TRANS_ATTR_SET 22
+#define XFS_TRANS_ATTR_RM 23
+#define XFS_TRANS_ATTR_FLAG 24
+#define XFS_TRANS_CLEAR_AGI_BUCKET 25
+#define XFS_TRANS_QM_SBCHANGE 26
+/*
+ * Dummy entries since we use the transaction type to index into the
+ * trans_type[] in xlog_recover_print_trans_head()
+ */
+#define XFS_TRANS_DUMMY1 27
+#define XFS_TRANS_DUMMY2 28
+#define XFS_TRANS_QM_QUOTAOFF 29
+#define XFS_TRANS_QM_DQALLOC 30
+#define XFS_TRANS_QM_SETQLIM 31
+#define XFS_TRANS_QM_DQCLUSTER 32
+#define XFS_TRANS_QM_QINOCREATE 33
+#define XFS_TRANS_QM_QUOTAOFF_END 34
+#define XFS_TRANS_SB_UNIT 35
+#define XFS_TRANS_FSYNC_TS 36
+#define XFS_TRANS_GROWFSRT_ALLOC 37
+#define XFS_TRANS_GROWFSRT_ZERO 38
+#define XFS_TRANS_GROWFSRT_FREE 39
+#define XFS_TRANS_SWAPEXT 40
+#define XFS_TRANS_SB_COUNT 41
+#define XFS_TRANS_CHECKPOINT 42
+#define XFS_TRANS_TYPE_MAX 42
+/* new transaction types need to be reflected in xfs_logprint(8) */
+
+#define XFS_TRANS_TYPES \
+ { XFS_TRANS_SETATTR_NOT_SIZE, "SETATTR_NOT_SIZE" }, \
+ { XFS_TRANS_SETATTR_SIZE, "SETATTR_SIZE" }, \
+ { XFS_TRANS_INACTIVE, "INACTIVE" }, \
+ { XFS_TRANS_CREATE, "CREATE" }, \
+ { XFS_TRANS_CREATE_TRUNC, "CREATE_TRUNC" }, \
+ { XFS_TRANS_TRUNCATE_FILE, "TRUNCATE_FILE" }, \
+ { XFS_TRANS_REMOVE, "REMOVE" }, \
+ { XFS_TRANS_LINK, "LINK" }, \
+ { XFS_TRANS_RENAME, "RENAME" }, \
+ { XFS_TRANS_MKDIR, "MKDIR" }, \
+ { XFS_TRANS_RMDIR, "RMDIR" }, \
+ { XFS_TRANS_SYMLINK, "SYMLINK" }, \
+ { XFS_TRANS_SET_DMATTRS, "SET_DMATTRS" }, \
+ { XFS_TRANS_GROWFS, "GROWFS" }, \
+ { XFS_TRANS_STRAT_WRITE, "STRAT_WRITE" }, \
+ { XFS_TRANS_DIOSTRAT, "DIOSTRAT" }, \
+ { XFS_TRANS_WRITEID, "WRITEID" }, \
+ { XFS_TRANS_ADDAFORK, "ADDAFORK" }, \
+ { XFS_TRANS_ATTRINVAL, "ATTRINVAL" }, \
+ { XFS_TRANS_ATRUNCATE, "ATRUNCATE" }, \
+ { XFS_TRANS_ATTR_SET, "ATTR_SET" }, \
+ { XFS_TRANS_ATTR_RM, "ATTR_RM" }, \
+ { XFS_TRANS_ATTR_FLAG, "ATTR_FLAG" }, \
+ { XFS_TRANS_CLEAR_AGI_BUCKET, "CLEAR_AGI_BUCKET" }, \
+ { XFS_TRANS_QM_SBCHANGE, "QM_SBCHANGE" }, \
+ { XFS_TRANS_QM_QUOTAOFF, "QM_QUOTAOFF" }, \
+ { XFS_TRANS_QM_DQALLOC, "QM_DQALLOC" }, \
+ { XFS_TRANS_QM_SETQLIM, "QM_SETQLIM" }, \
+ { XFS_TRANS_QM_DQCLUSTER, "QM_DQCLUSTER" }, \
+ { XFS_TRANS_QM_QINOCREATE, "QM_QINOCREATE" }, \
+ { XFS_TRANS_QM_QUOTAOFF_END, "QM_QOFF_END" }, \
+ { XFS_TRANS_SB_UNIT, "SB_UNIT" }, \
+ { XFS_TRANS_FSYNC_TS, "FSYNC_TS" }, \
+ { XFS_TRANS_GROWFSRT_ALLOC, "GROWFSRT_ALLOC" }, \
+ { XFS_TRANS_GROWFSRT_ZERO, "GROWFSRT_ZERO" }, \
+ { XFS_TRANS_GROWFSRT_FREE, "GROWFSRT_FREE" }, \
+ { XFS_TRANS_SWAPEXT, "SWAPEXT" }, \
+ { XFS_TRANS_SB_COUNT, "SB_COUNT" }, \
+ { XFS_TRANS_CHECKPOINT, "CHECKPOINT" }, \
+ { XFS_TRANS_DUMMY1, "DUMMY1" }, \
+ { XFS_TRANS_DUMMY2, "DUMMY2" }, \
+ { XLOG_UNMOUNT_REC_TYPE, "UNMOUNT" }
+
+/*
+ * This structure is used to track log items associated with
+ * a transaction. It points to the log item and keeps some
+ * flags to track the state of the log item. It also tracks
+ * the amount of space needed to log the item it describes
+ * once we get to commit processing (see xfs_trans_commit()).
+ */
+struct xfs_log_item_desc {
+ struct xfs_log_item *lid_item;
+ struct list_head lid_trans;
+ unsigned char lid_flags;
+};
+
+#define XFS_LID_DIRTY 0x1
+
+#define XFS_TRANS_MAGIC 0x5452414E /* 'TRAN' */
+/*
+ * Values for t_flags.
+ */
+#define XFS_TRANS_DIRTY 0x01 /* something needs to be logged */
+#define XFS_TRANS_SB_DIRTY 0x02 /* superblock is modified */
+#define XFS_TRANS_PERM_LOG_RES 0x04 /* xact took a permanent log res */
+#define XFS_TRANS_SYNC 0x08 /* make commit synchronous */
+#define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */
+#define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */
+
+/*
+ * Values for call flags parameter.
+ */
+#define XFS_TRANS_RELEASE_LOG_RES 0x4
+#define XFS_TRANS_ABORT 0x8
+
+/*
+ * Field values for xfs_trans_mod_sb.
+ */
+#define XFS_TRANS_SB_ICOUNT 0x00000001
+#define XFS_TRANS_SB_IFREE 0x00000002
+#define XFS_TRANS_SB_FDBLOCKS 0x00000004
+#define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008
+#define XFS_TRANS_SB_FREXTENTS 0x00000010
+#define XFS_TRANS_SB_RES_FREXTENTS 0x00000020
+#define XFS_TRANS_SB_DBLOCKS 0x00000040
+#define XFS_TRANS_SB_AGCOUNT 0x00000080
+#define XFS_TRANS_SB_IMAXPCT 0x00000100
+#define XFS_TRANS_SB_REXTSIZE 0x00000200
+#define XFS_TRANS_SB_RBMBLOCKS 0x00000400
+#define XFS_TRANS_SB_RBLOCKS 0x00000800
+#define XFS_TRANS_SB_REXTENTS 0x00001000
+#define XFS_TRANS_SB_REXTSLOG 0x00002000
+
+
+/*
+ * Per-extent log reservation for the allocation btree changes
+ * involved in freeing or allocating an extent.
+ * 2 trees * (2 blocks/level * max depth - 1) * block size
+ */
+#define XFS_ALLOCFREE_LOG_RES(mp,nx) \
+ ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1)))
+#define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \
+ ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1)))
+
+/*
+ * Per-directory log reservation for any directory change.
+ * dir blocks: (1 btree block per level + data block + free block) * dblock size
+ * bmap btree: (levels + 2) * max depth * block size
+ * v2 directory blocks can be fragmented below the dirblksize down to the fsb
+ * size, so account for that in the DAENTER macros.
+ */
+#define XFS_DIROP_LOG_RES(mp) \
+ (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \
+ (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)))
+#define XFS_DIROP_LOG_COUNT(mp) \
+ (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \
+ XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)
+
+
+#define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write)
+#define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate)
+#define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename)
+#define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link)
+#define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove)
+#define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink)
+#define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create)
+#define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir)
+#define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree)
+#define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange)
+#define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata)
+#define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc)
+#define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero)
+#define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree)
+#define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
+/*
+ * Logging the inode timestamps on an fsync -- same as SWRITE
+ * as long as SWRITE logs the entire inode core
+ */
+#define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
+#define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
+#define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork)
+#define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval)
+#define XFS_ATTRSET_LOG_RES(mp, ext) \
+ ((mp)->m_reservations.tr_attrset + \
+ (ext * (mp)->m_sb.sb_sectsize) + \
+ (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \
+ (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))))
+#define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm)
+#define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi)
+
+
+/*
+ * Various log count values.
+ */
+#define XFS_DEFAULT_LOG_COUNT 1
+#define XFS_DEFAULT_PERM_LOG_COUNT 2
+#define XFS_ITRUNCATE_LOG_COUNT 2
+#define XFS_INACTIVE_LOG_COUNT 2
+#define XFS_CREATE_LOG_COUNT 2
+#define XFS_MKDIR_LOG_COUNT 3
+#define XFS_SYMLINK_LOG_COUNT 3
+#define XFS_REMOVE_LOG_COUNT 2
+#define XFS_LINK_LOG_COUNT 2
+#define XFS_RENAME_LOG_COUNT 2
+#define XFS_WRITE_LOG_COUNT 2
+#define XFS_ADDAFORK_LOG_COUNT 2
+#define XFS_ATTRINVAL_LOG_COUNT 1
+#define XFS_ATTRSET_LOG_COUNT 3
+#define XFS_ATTRRM_LOG_COUNT 3
+
+/*
+ * Here we centralize the specification of XFS meta-data buffer
+ * reference count values. This determine how hard the buffer
+ * cache tries to hold onto the buffer.
+ */
+#define XFS_AGF_REF 4
+#define XFS_AGI_REF 4
+#define XFS_AGFL_REF 3
+#define XFS_INO_BTREE_REF 3
+#define XFS_ALLOC_BTREE_REF 2
+#define XFS_BMAP_BTREE_REF 2
+#define XFS_DIR_BTREE_REF 2
+#define XFS_INO_REF 2
+#define XFS_ATTR_BTREE_REF 1
+#define XFS_DQUOT_REF 1
+
+#ifdef __KERNEL__
+
+struct xfs_buf;
+struct xfs_buftarg;
+struct xfs_efd_log_item;
+struct xfs_efi_log_item;
+struct xfs_inode;
+struct xfs_item_ops;
+struct xfs_log_iovec;
+struct xfs_log_item_desc;
+struct xfs_mount;
+struct xfs_trans;
+struct xfs_dquot_acct;
+struct xfs_busy_extent;
+
+typedef struct xfs_log_item {
+ struct list_head li_ail; /* AIL pointers */
+ xfs_lsn_t li_lsn; /* last on-disk lsn */
+ struct xfs_log_item_desc *li_desc; /* ptr to current desc*/
+ struct xfs_mount *li_mountp; /* ptr to fs mount */
+ struct xfs_ail *li_ailp; /* ptr to AIL */
+ uint li_type; /* item type */
+ uint li_flags; /* misc flags */
+ struct xfs_log_item *li_bio_list; /* buffer item list */
+ void (*li_cb)(struct xfs_buf *,
+ struct xfs_log_item *);
+ /* buffer item iodone */
+ /* callback func */
+ const struct xfs_item_ops *li_ops; /* function list */
+
+ /* delayed logging */
+ struct list_head li_cil; /* CIL pointers */
+ struct xfs_log_vec *li_lv; /* active log vector */
+ xfs_lsn_t li_seq; /* CIL commit seq */
+} xfs_log_item_t;
+
+#define XFS_LI_IN_AIL 0x1
+#define XFS_LI_ABORTED 0x2
+
+#define XFS_LI_FLAGS \
+ { XFS_LI_IN_AIL, "IN_AIL" }, \
+ { XFS_LI_ABORTED, "ABORTED" }
+
+struct xfs_item_ops {
+ uint (*iop_size)(xfs_log_item_t *);
+ void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *);
+ void (*iop_pin)(xfs_log_item_t *);
+ void (*iop_unpin)(xfs_log_item_t *, int remove);
+ uint (*iop_trylock)(xfs_log_item_t *);
+ void (*iop_unlock)(xfs_log_item_t *);
+ xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t);
+ void (*iop_push)(xfs_log_item_t *);
+ bool (*iop_pushbuf)(xfs_log_item_t *);
+ void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
+};
+
+#define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip)
+#define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp)
+#define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip)
+#define IOP_UNPIN(ip, remove) (*(ip)->li_ops->iop_unpin)(ip, remove)
+#define IOP_TRYLOCK(ip) (*(ip)->li_ops->iop_trylock)(ip)
+#define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip)
+#define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn)
+#define IOP_PUSH(ip) (*(ip)->li_ops->iop_push)(ip)
+#define IOP_PUSHBUF(ip) (*(ip)->li_ops->iop_pushbuf)(ip)
+#define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn)
+
+/*
+ * Return values for the IOP_TRYLOCK() routines.
+ */
+#define XFS_ITEM_SUCCESS 0
+#define XFS_ITEM_PINNED 1
+#define XFS_ITEM_LOCKED 2
+#define XFS_ITEM_PUSHBUF 3
+
+/*
+ * This is the type of function which can be given to xfs_trans_callback()
+ * to be called upon the transaction's commit to disk.
+ */
+typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *);
+
+/*
+ * This is the structure maintained for every active transaction.
+ */
+typedef struct xfs_trans {
+ unsigned int t_magic; /* magic number */
+ xfs_log_callback_t t_logcb; /* log callback struct */
+ unsigned int t_type; /* transaction type */
+ unsigned int t_log_res; /* amt of log space resvd */
+ unsigned int t_log_count; /* count for perm log res */
+ unsigned int t_blk_res; /* # of blocks resvd */
+ unsigned int t_blk_res_used; /* # of resvd blocks used */
+ unsigned int t_rtx_res; /* # of rt extents resvd */
+ unsigned int t_rtx_res_used; /* # of resvd rt extents used */
+ struct xlog_ticket *t_ticket; /* log mgr ticket */
+ xfs_lsn_t t_lsn; /* log seq num of start of
+ * transaction. */
+ xfs_lsn_t t_commit_lsn; /* log seq num of end of
+ * transaction. */
+ struct xfs_mount *t_mountp; /* ptr to fs mount struct */
+ struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */
+ unsigned int t_flags; /* misc flags */
+ int64_t t_icount_delta; /* superblock icount change */
+ int64_t t_ifree_delta; /* superblock ifree change */
+ int64_t t_fdblocks_delta; /* superblock fdblocks chg */
+ int64_t t_res_fdblocks_delta; /* on-disk only chg */
+ int64_t t_frextents_delta;/* superblock freextents chg*/
+ int64_t t_res_frextents_delta; /* on-disk only chg */
+#ifdef DEBUG
+ int64_t t_ag_freeblks_delta; /* debugging counter */
+ int64_t t_ag_flist_delta; /* debugging counter */
+ int64_t t_ag_btree_delta; /* debugging counter */
+#endif
+ int64_t t_dblocks_delta;/* superblock dblocks change */
+ int64_t t_agcount_delta;/* superblock agcount change */
+ int64_t t_imaxpct_delta;/* superblock imaxpct change */
+ int64_t t_rextsize_delta;/* superblock rextsize chg */
+ int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */
+ int64_t t_rblocks_delta;/* superblock rblocks change */
+ int64_t t_rextents_delta;/* superblocks rextents chg */
+ int64_t t_rextslog_delta;/* superblocks rextslog chg */
+ struct list_head t_items; /* log item descriptors */
+ xfs_trans_header_t t_header; /* header for in-log trans */
+ struct list_head t_busy; /* list of busy extents */
+ unsigned long t_pflags; /* saved process flags state */
+} xfs_trans_t;
+
+/*
+ * XFS transaction mechanism exported interfaces that are
+ * actually macros.
+ */
+#define xfs_trans_get_log_res(tp) ((tp)->t_log_res)
+#define xfs_trans_get_log_count(tp) ((tp)->t_log_count)
+#define xfs_trans_get_block_res(tp) ((tp)->t_blk_res)
+#define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC)
+
+#ifdef DEBUG
+#define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d)
+#define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d)
+#define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d)
+#else
+#define xfs_trans_agblocks_delta(tp, d)
+#define xfs_trans_agflist_delta(tp, d)
+#define xfs_trans_agbtree_delta(tp, d)
+#endif
+
+/*
+ * XFS transaction mechanism exported interfaces.
+ */
+xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint);
+xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint, uint);
+xfs_trans_t *xfs_trans_dup(xfs_trans_t *);
+int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint,
+ uint, uint);
+void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
+struct xfs_buf *xfs_trans_get_buf(xfs_trans_t *, struct xfs_buftarg *, xfs_daddr_t,
+ int, uint);
+int xfs_trans_read_buf(struct xfs_mount *, xfs_trans_t *,
+ struct xfs_buftarg *, xfs_daddr_t, int, uint,
+ struct xfs_buf **);
+struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int);
+
+void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *);
+void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *);
+void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *);
+void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *);
+void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *);
+void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *);
+void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *);
+void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
+void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
+void xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int);
+void xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint);
+void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint);
+void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);
+struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint);
+void xfs_efi_release(struct xfs_efi_log_item *, uint);
+void xfs_trans_log_efi_extent(xfs_trans_t *,
+ struct xfs_efi_log_item *,
+ xfs_fsblock_t,
+ xfs_extlen_t);
+struct xfs_efd_log_item *xfs_trans_get_efd(xfs_trans_t *,
+ struct xfs_efi_log_item *,
+ uint);
+void xfs_trans_log_efd_extent(xfs_trans_t *,
+ struct xfs_efd_log_item *,
+ xfs_fsblock_t,
+ xfs_extlen_t);
+int xfs_trans_commit(xfs_trans_t *, uint flags);
+void xfs_trans_cancel(xfs_trans_t *, int);
+int xfs_trans_ail_init(struct xfs_mount *);
+void xfs_trans_ail_destroy(struct xfs_mount *);
+
+extern kmem_zone_t *xfs_trans_zone;
+extern kmem_zone_t *xfs_log_item_desc_zone;
+
+#endif /* __KERNEL__ */
+
+void xfs_trans_init(struct xfs_mount *);
+int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
+
+#endif /* __XFS_TRANS_H__ */