537 строки
19 KiB
C
537 строки
19 KiB
C
/*
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* Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __XFS_TRANS_H__
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#define __XFS_TRANS_H__
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struct xfs_log_item;
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/*
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* This is the structure written in the log at the head of
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* every transaction. It identifies the type and id of the
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* transaction, and contains the number of items logged by
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* the transaction so we know how many to expect during recovery.
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*
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* Do not change the below structure without redoing the code in
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* xlog_recover_add_to_trans() and xlog_recover_add_to_cont_trans().
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*/
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typedef struct xfs_trans_header {
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uint th_magic; /* magic number */
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uint th_type; /* transaction type */
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__int32_t th_tid; /* transaction id (unused) */
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uint th_num_items; /* num items logged by trans */
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} xfs_trans_header_t;
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#define XFS_TRANS_HEADER_MAGIC 0x5452414e /* TRAN */
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/*
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* Log item types.
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*/
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#define XFS_LI_EFI 0x1236
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#define XFS_LI_EFD 0x1237
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#define XFS_LI_IUNLINK 0x1238
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#define XFS_LI_INODE 0x123b /* aligned ino chunks, var-size ibufs */
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#define XFS_LI_BUF 0x123c /* v2 bufs, variable sized inode bufs */
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#define XFS_LI_DQUOT 0x123d
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#define XFS_LI_QUOTAOFF 0x123e
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#define XFS_LI_TYPE_DESC \
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{ XFS_LI_EFI, "XFS_LI_EFI" }, \
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{ XFS_LI_EFD, "XFS_LI_EFD" }, \
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{ XFS_LI_IUNLINK, "XFS_LI_IUNLINK" }, \
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{ XFS_LI_INODE, "XFS_LI_INODE" }, \
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{ XFS_LI_BUF, "XFS_LI_BUF" }, \
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{ XFS_LI_DQUOT, "XFS_LI_DQUOT" }, \
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{ XFS_LI_QUOTAOFF, "XFS_LI_QUOTAOFF" }
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/*
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* Transaction types. Used to distinguish types of buffers.
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*/
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#define XFS_TRANS_SETATTR_NOT_SIZE 1
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#define XFS_TRANS_SETATTR_SIZE 2
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#define XFS_TRANS_INACTIVE 3
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#define XFS_TRANS_CREATE 4
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#define XFS_TRANS_CREATE_TRUNC 5
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#define XFS_TRANS_TRUNCATE_FILE 6
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#define XFS_TRANS_REMOVE 7
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#define XFS_TRANS_LINK 8
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#define XFS_TRANS_RENAME 9
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#define XFS_TRANS_MKDIR 10
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#define XFS_TRANS_RMDIR 11
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#define XFS_TRANS_SYMLINK 12
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#define XFS_TRANS_SET_DMATTRS 13
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#define XFS_TRANS_GROWFS 14
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#define XFS_TRANS_STRAT_WRITE 15
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#define XFS_TRANS_DIOSTRAT 16
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/* 17 was XFS_TRANS_WRITE_SYNC */
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#define XFS_TRANS_WRITEID 18
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#define XFS_TRANS_ADDAFORK 19
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#define XFS_TRANS_ATTRINVAL 20
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#define XFS_TRANS_ATRUNCATE 21
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#define XFS_TRANS_ATTR_SET 22
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#define XFS_TRANS_ATTR_RM 23
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#define XFS_TRANS_ATTR_FLAG 24
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#define XFS_TRANS_CLEAR_AGI_BUCKET 25
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#define XFS_TRANS_QM_SBCHANGE 26
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/*
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* Dummy entries since we use the transaction type to index into the
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* trans_type[] in xlog_recover_print_trans_head()
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*/
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#define XFS_TRANS_DUMMY1 27
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#define XFS_TRANS_DUMMY2 28
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#define XFS_TRANS_QM_QUOTAOFF 29
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#define XFS_TRANS_QM_DQALLOC 30
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#define XFS_TRANS_QM_SETQLIM 31
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#define XFS_TRANS_QM_DQCLUSTER 32
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#define XFS_TRANS_QM_QINOCREATE 33
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#define XFS_TRANS_QM_QUOTAOFF_END 34
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#define XFS_TRANS_SB_UNIT 35
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#define XFS_TRANS_FSYNC_TS 36
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#define XFS_TRANS_GROWFSRT_ALLOC 37
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#define XFS_TRANS_GROWFSRT_ZERO 38
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#define XFS_TRANS_GROWFSRT_FREE 39
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#define XFS_TRANS_SWAPEXT 40
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#define XFS_TRANS_SB_COUNT 41
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#define XFS_TRANS_CHECKPOINT 42
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#define XFS_TRANS_TYPE_MAX 42
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/* new transaction types need to be reflected in xfs_logprint(8) */
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#define XFS_TRANS_TYPES \
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{ XFS_TRANS_SETATTR_NOT_SIZE, "SETATTR_NOT_SIZE" }, \
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{ XFS_TRANS_SETATTR_SIZE, "SETATTR_SIZE" }, \
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{ XFS_TRANS_INACTIVE, "INACTIVE" }, \
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{ XFS_TRANS_CREATE, "CREATE" }, \
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{ XFS_TRANS_CREATE_TRUNC, "CREATE_TRUNC" }, \
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{ XFS_TRANS_TRUNCATE_FILE, "TRUNCATE_FILE" }, \
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{ XFS_TRANS_REMOVE, "REMOVE" }, \
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{ XFS_TRANS_LINK, "LINK" }, \
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{ XFS_TRANS_RENAME, "RENAME" }, \
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{ XFS_TRANS_MKDIR, "MKDIR" }, \
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{ XFS_TRANS_RMDIR, "RMDIR" }, \
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{ XFS_TRANS_SYMLINK, "SYMLINK" }, \
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{ XFS_TRANS_SET_DMATTRS, "SET_DMATTRS" }, \
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{ XFS_TRANS_GROWFS, "GROWFS" }, \
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{ XFS_TRANS_STRAT_WRITE, "STRAT_WRITE" }, \
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{ XFS_TRANS_DIOSTRAT, "DIOSTRAT" }, \
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{ XFS_TRANS_WRITEID, "WRITEID" }, \
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{ XFS_TRANS_ADDAFORK, "ADDAFORK" }, \
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{ XFS_TRANS_ATTRINVAL, "ATTRINVAL" }, \
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{ XFS_TRANS_ATRUNCATE, "ATRUNCATE" }, \
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{ XFS_TRANS_ATTR_SET, "ATTR_SET" }, \
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{ XFS_TRANS_ATTR_RM, "ATTR_RM" }, \
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{ XFS_TRANS_ATTR_FLAG, "ATTR_FLAG" }, \
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{ XFS_TRANS_CLEAR_AGI_BUCKET, "CLEAR_AGI_BUCKET" }, \
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{ XFS_TRANS_QM_SBCHANGE, "QM_SBCHANGE" }, \
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{ XFS_TRANS_QM_QUOTAOFF, "QM_QUOTAOFF" }, \
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{ XFS_TRANS_QM_DQALLOC, "QM_DQALLOC" }, \
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{ XFS_TRANS_QM_SETQLIM, "QM_SETQLIM" }, \
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{ XFS_TRANS_QM_DQCLUSTER, "QM_DQCLUSTER" }, \
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{ XFS_TRANS_QM_QINOCREATE, "QM_QINOCREATE" }, \
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{ XFS_TRANS_QM_QUOTAOFF_END, "QM_QOFF_END" }, \
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{ XFS_TRANS_SB_UNIT, "SB_UNIT" }, \
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{ XFS_TRANS_FSYNC_TS, "FSYNC_TS" }, \
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{ XFS_TRANS_GROWFSRT_ALLOC, "GROWFSRT_ALLOC" }, \
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{ XFS_TRANS_GROWFSRT_ZERO, "GROWFSRT_ZERO" }, \
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{ XFS_TRANS_GROWFSRT_FREE, "GROWFSRT_FREE" }, \
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{ XFS_TRANS_SWAPEXT, "SWAPEXT" }, \
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{ XFS_TRANS_SB_COUNT, "SB_COUNT" }, \
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{ XFS_TRANS_CHECKPOINT, "CHECKPOINT" }, \
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{ XFS_TRANS_DUMMY1, "DUMMY1" }, \
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{ XFS_TRANS_DUMMY2, "DUMMY2" }, \
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{ XLOG_UNMOUNT_REC_TYPE, "UNMOUNT" }
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/*
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* This structure is used to track log items associated with
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* a transaction. It points to the log item and keeps some
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* flags to track the state of the log item. It also tracks
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* the amount of space needed to log the item it describes
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* once we get to commit processing (see xfs_trans_commit()).
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*/
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struct xfs_log_item_desc {
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struct xfs_log_item *lid_item;
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struct list_head lid_trans;
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unsigned char lid_flags;
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};
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#define XFS_LID_DIRTY 0x1
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#define XFS_TRANS_MAGIC 0x5452414E /* 'TRAN' */
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/*
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* Values for t_flags.
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*/
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#define XFS_TRANS_DIRTY 0x01 /* something needs to be logged */
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#define XFS_TRANS_SB_DIRTY 0x02 /* superblock is modified */
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#define XFS_TRANS_PERM_LOG_RES 0x04 /* xact took a permanent log res */
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#define XFS_TRANS_SYNC 0x08 /* make commit synchronous */
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#define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */
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#define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */
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#define XFS_TRANS_FREEZE_PROT 0x40 /* Transaction has elevated writer
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count in superblock */
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/*
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* Values for call flags parameter.
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*/
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#define XFS_TRANS_RELEASE_LOG_RES 0x4
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#define XFS_TRANS_ABORT 0x8
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/*
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* Field values for xfs_trans_mod_sb.
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*/
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#define XFS_TRANS_SB_ICOUNT 0x00000001
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#define XFS_TRANS_SB_IFREE 0x00000002
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#define XFS_TRANS_SB_FDBLOCKS 0x00000004
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#define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008
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#define XFS_TRANS_SB_FREXTENTS 0x00000010
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#define XFS_TRANS_SB_RES_FREXTENTS 0x00000020
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#define XFS_TRANS_SB_DBLOCKS 0x00000040
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#define XFS_TRANS_SB_AGCOUNT 0x00000080
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#define XFS_TRANS_SB_IMAXPCT 0x00000100
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#define XFS_TRANS_SB_REXTSIZE 0x00000200
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#define XFS_TRANS_SB_RBMBLOCKS 0x00000400
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#define XFS_TRANS_SB_RBLOCKS 0x00000800
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#define XFS_TRANS_SB_REXTENTS 0x00001000
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#define XFS_TRANS_SB_REXTSLOG 0x00002000
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/*
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* Per-extent log reservation for the allocation btree changes
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* involved in freeing or allocating an extent.
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* 2 trees * (2 blocks/level * max depth - 1) * block size
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*/
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#define XFS_ALLOCFREE_LOG_RES(mp,nx) \
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((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1)))
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#define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \
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((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1)))
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/*
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* Per-directory log reservation for any directory change.
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* dir blocks: (1 btree block per level + data block + free block) * dblock size
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* bmap btree: (levels + 2) * max depth * block size
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* v2 directory blocks can be fragmented below the dirblksize down to the fsb
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* size, so account for that in the DAENTER macros.
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*/
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#define XFS_DIROP_LOG_RES(mp) \
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(XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \
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(XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)))
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#define XFS_DIROP_LOG_COUNT(mp) \
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(XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \
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XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)
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#define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write)
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#define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate)
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#define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename)
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#define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link)
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#define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove)
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#define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink)
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#define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create)
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#define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir)
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#define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree)
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#define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange)
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#define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata)
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#define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc)
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#define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero)
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#define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree)
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#define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
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/*
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* Logging the inode timestamps on an fsync -- same as SWRITE
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* as long as SWRITE logs the entire inode core
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*/
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#define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
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#define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
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#define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork)
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#define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval)
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#define XFS_ATTRSET_LOG_RES(mp, ext) \
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((mp)->m_reservations.tr_attrset + \
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(ext * (mp)->m_sb.sb_sectsize) + \
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(ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \
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(128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))))
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#define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm)
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#define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi)
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/*
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* Various log count values.
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*/
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#define XFS_DEFAULT_LOG_COUNT 1
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#define XFS_DEFAULT_PERM_LOG_COUNT 2
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#define XFS_ITRUNCATE_LOG_COUNT 2
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#define XFS_INACTIVE_LOG_COUNT 2
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#define XFS_CREATE_LOG_COUNT 2
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#define XFS_MKDIR_LOG_COUNT 3
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#define XFS_SYMLINK_LOG_COUNT 3
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#define XFS_REMOVE_LOG_COUNT 2
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#define XFS_LINK_LOG_COUNT 2
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#define XFS_RENAME_LOG_COUNT 2
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#define XFS_WRITE_LOG_COUNT 2
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#define XFS_ADDAFORK_LOG_COUNT 2
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#define XFS_ATTRINVAL_LOG_COUNT 1
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#define XFS_ATTRSET_LOG_COUNT 3
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#define XFS_ATTRRM_LOG_COUNT 3
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/*
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* Here we centralize the specification of XFS meta-data buffer
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* reference count values. This determine how hard the buffer
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* cache tries to hold onto the buffer.
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*/
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#define XFS_AGF_REF 4
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#define XFS_AGI_REF 4
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#define XFS_AGFL_REF 3
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#define XFS_INO_BTREE_REF 3
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#define XFS_ALLOC_BTREE_REF 2
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#define XFS_BMAP_BTREE_REF 2
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#define XFS_DIR_BTREE_REF 2
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#define XFS_INO_REF 2
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#define XFS_ATTR_BTREE_REF 1
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#define XFS_DQUOT_REF 1
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#ifdef __KERNEL__
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struct xfs_buf;
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struct xfs_buftarg;
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struct xfs_efd_log_item;
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struct xfs_efi_log_item;
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struct xfs_inode;
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struct xfs_item_ops;
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struct xfs_log_iovec;
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struct xfs_log_item_desc;
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struct xfs_mount;
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struct xfs_trans;
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struct xfs_dquot_acct;
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struct xfs_busy_extent;
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typedef struct xfs_log_item {
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struct list_head li_ail; /* AIL pointers */
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xfs_lsn_t li_lsn; /* last on-disk lsn */
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struct xfs_log_item_desc *li_desc; /* ptr to current desc*/
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struct xfs_mount *li_mountp; /* ptr to fs mount */
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struct xfs_ail *li_ailp; /* ptr to AIL */
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uint li_type; /* item type */
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uint li_flags; /* misc flags */
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struct xfs_log_item *li_bio_list; /* buffer item list */
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void (*li_cb)(struct xfs_buf *,
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struct xfs_log_item *);
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/* buffer item iodone */
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/* callback func */
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const struct xfs_item_ops *li_ops; /* function list */
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/* delayed logging */
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struct list_head li_cil; /* CIL pointers */
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struct xfs_log_vec *li_lv; /* active log vector */
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xfs_lsn_t li_seq; /* CIL commit seq */
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} xfs_log_item_t;
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#define XFS_LI_IN_AIL 0x1
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#define XFS_LI_ABORTED 0x2
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#define XFS_LI_FLAGS \
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{ XFS_LI_IN_AIL, "IN_AIL" }, \
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{ XFS_LI_ABORTED, "ABORTED" }
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struct xfs_item_ops {
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uint (*iop_size)(xfs_log_item_t *);
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void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *);
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void (*iop_pin)(xfs_log_item_t *);
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void (*iop_unpin)(xfs_log_item_t *, int remove);
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uint (*iop_push)(struct xfs_log_item *, struct list_head *);
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void (*iop_unlock)(xfs_log_item_t *);
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xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t);
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void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
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};
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#define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip)
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#define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp)
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#define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip)
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#define IOP_UNPIN(ip, remove) (*(ip)->li_ops->iop_unpin)(ip, remove)
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#define IOP_PUSH(ip, list) (*(ip)->li_ops->iop_push)(ip, list)
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#define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip)
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#define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn)
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#define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn)
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/*
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* Return values for the IOP_PUSH() routines.
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*/
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#define XFS_ITEM_SUCCESS 0
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#define XFS_ITEM_PINNED 1
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#define XFS_ITEM_LOCKED 2
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#define XFS_ITEM_FLUSHING 3
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/*
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* This is the type of function which can be given to xfs_trans_callback()
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* to be called upon the transaction's commit to disk.
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*/
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typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *);
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/*
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* This is the structure maintained for every active transaction.
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*/
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typedef struct xfs_trans {
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unsigned int t_magic; /* magic number */
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xfs_log_callback_t t_logcb; /* log callback struct */
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unsigned int t_type; /* transaction type */
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|
unsigned int t_log_res; /* amt of log space resvd */
|
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unsigned int t_log_count; /* count for perm log res */
|
|
unsigned int t_blk_res; /* # of blocks resvd */
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|
unsigned int t_blk_res_used; /* # of resvd blocks used */
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|
unsigned int t_rtx_res; /* # of rt extents resvd */
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|
unsigned int t_rtx_res_used; /* # of resvd rt extents used */
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|
struct xlog_ticket *t_ticket; /* log mgr ticket */
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|
xfs_lsn_t t_lsn; /* log seq num of start of
|
|
* transaction. */
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|
xfs_lsn_t t_commit_lsn; /* log seq num of end of
|
|
* transaction. */
|
|
struct xfs_mount *t_mountp; /* ptr to fs mount struct */
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|
struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */
|
|
unsigned int t_flags; /* misc flags */
|
|
int64_t t_icount_delta; /* superblock icount change */
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|
int64_t t_ifree_delta; /* superblock ifree change */
|
|
int64_t t_fdblocks_delta; /* superblock fdblocks chg */
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|
int64_t t_res_fdblocks_delta; /* on-disk only chg */
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|
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 */
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|
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_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__ */
|