| /* |
| * 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 */ |
| #define XFS_TRANS_FREEZE_PROT 0x40 /* Transaction has elevated writer |
| count in superblock */ |
| |
| /* |
| * 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_ATTRSETM_LOG_RES(mp) ((mp)->m_reservations.tr_attrsetm) |
| #define XFS_ATTRSETRT_LOG_RES(mp) ((mp)->m_reservations.tr_attrsetrt) |
| #define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm) |
| #define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi) |
| #define XFS_QM_SBCHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_qm_sbchange) |
| #define XFS_QM_SETQLIM_LOG_RES(mp) ((mp)->m_reservations.tr_qm_setqlim) |
| #define XFS_QM_DQALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_qm_dqalloc) |
| #define XFS_QM_QUOTAOFF_LOG_RES(mp) ((mp)->m_reservations.tr_qm_quotaoff) |
| #define XFS_QM_QUOTAOFF_END_LOG_RES(mp) ((mp)->m_reservations.tr_qm_equotaoff) |
| #define XFS_SB_LOG_RES(mp) ((mp)->m_reservations.tr_sb) |
| |
| /* |
| * 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_map(struct xfs_trans *tp, |
| struct xfs_buftarg *target, |
| struct xfs_buf_map *map, int nmaps, |
| uint flags); |
| |
| static inline struct xfs_buf * |
| xfs_trans_get_buf( |
| struct xfs_trans *tp, |
| struct xfs_buftarg *target, |
| xfs_daddr_t blkno, |
| int numblks, |
| uint flags) |
| { |
| DEFINE_SINGLE_BUF_MAP(map, blkno, numblks); |
| return xfs_trans_get_buf_map(tp, target, &map, 1, flags); |
| } |
| |
| int xfs_trans_read_buf_map(struct xfs_mount *mp, |
| struct xfs_trans *tp, |
| struct xfs_buftarg *target, |
| struct xfs_buf_map *map, int nmaps, |
| xfs_buf_flags_t flags, |
| struct xfs_buf **bpp, |
| const struct xfs_buf_ops *ops); |
| |
| static inline int |
| xfs_trans_read_buf( |
| struct xfs_mount *mp, |
| struct xfs_trans *tp, |
| struct xfs_buftarg *target, |
| xfs_daddr_t blkno, |
| int numblks, |
| xfs_buf_flags_t flags, |
| struct xfs_buf **bpp, |
| const struct xfs_buf_ops *ops) |
| { |
| DEFINE_SINGLE_BUF_MAP(map, blkno, numblks); |
| return xfs_trans_read_buf_map(mp, tp, target, &map, 1, |
| flags, bpp, ops); |
| } |
| |
| 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_buf_set_type(struct xfs_trans *, struct xfs_buf *, |
| uint); |
| void xfs_trans_buf_copy_type(struct xfs_buf *dst_bp, |
| struct xfs_buf *src_bp); |
| 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__ */ |