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linux-next/fs/xfs/xfs_trans.h
Al Viro 77ba78776e xfs: switch to proper __bitwise type for KM_... flags 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29 23:28:32 -04:00

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/*
* 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_push)(struct xfs_log_item *, struct list_head *);
void (*iop_unlock)(xfs_log_item_t *);
xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_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_PUSH(ip, list) (*(ip)->li_ops->iop_push)(ip, list)
#define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip)
#define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn)
#define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn)
/*
* Return values for the IOP_PUSH() routines.
*/
#define XFS_ITEM_SUCCESS 0
#define XFS_ITEM_PINNED 1
#define XFS_ITEM_LOCKED 2
#define XFS_ITEM_FLUSHING 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, xfs_km_flags_t);
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__ */
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