diff options
Diffstat (limited to 'fs/xfs/xfs_trans.h')
| -rw-r--r-- | fs/xfs/xfs_trans.h | 301 |
1 files changed, 6 insertions, 295 deletions
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index 2b4946393e30..09cf40b89e8c 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -20,285 +20,9 @@ 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_ICREATE 0x123f - -#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_ICREATE 43 -#define XFS_TRANS_TYPE_MAX 43 -/* 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) - */ -#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) - * bmap btree: (levels + 2) * max depth - * 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_COUNT(mp) \ - (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \ - XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1) - +#include "xfs_trans_resv.h" -#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__ +/* kernel only transaction subsystem defines */ struct xfs_buf; struct xfs_buftarg; @@ -310,6 +34,7 @@ struct xfs_log_iovec; struct xfs_log_item_desc; struct xfs_mount; struct xfs_trans; +struct xfs_trans_res; struct xfs_dquot_acct; struct xfs_busy_extent; @@ -342,7 +67,7 @@ typedef struct xfs_log_item { { XFS_LI_ABORTED, "ABORTED" } struct xfs_item_ops { - uint (*iop_size)(xfs_log_item_t *); + void (*iop_size)(xfs_log_item_t *, int *, int *); 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); @@ -352,17 +77,8 @@ struct xfs_item_ops { 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. + * Return values for the iop_push() routines. */ #define XFS_ITEM_SUCCESS 0 #define XFS_ITEM_PINNED 1 @@ -446,7 +162,7 @@ typedef struct xfs_trans { 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, +int xfs_trans_reserve(struct xfs_trans *, struct xfs_trans_res *, uint, uint); void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t); @@ -528,9 +244,4 @@ 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__ */ |