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@@ -18,6 +18,8 @@
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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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/*
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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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@@ -98,76 +100,6 @@ typedef struct xfs_trans_header {
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#define XFS_TRANS_TYPE_MAX 41
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/* new transaction types need to be reflected in xfs_logprint(8) */
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-
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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;
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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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-
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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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- 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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- struct xfs_item_ops *li_ops; /* function list */
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-} xfs_log_item_t;
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-
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-#define XFS_LI_IN_AIL 0x1
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-#define XFS_LI_ABORTED 0x2
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-
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-typedef 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);
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- void (*iop_unpin_remove)(xfs_log_item_t *, struct xfs_trans *);
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- uint (*iop_trylock)(xfs_log_item_t *);
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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_push)(xfs_log_item_t *);
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- void (*iop_pushbuf)(xfs_log_item_t *);
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- void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
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-} xfs_item_ops_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, flags) (*(ip)->li_ops->iop_unpin)(ip, flags)
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-#define IOP_UNPIN_REMOVE(ip,tp) (*(ip)->li_ops->iop_unpin_remove)(ip, tp)
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-#define IOP_TRYLOCK(ip) (*(ip)->li_ops->iop_trylock)(ip)
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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_PUSH(ip) (*(ip)->li_ops->iop_push)(ip)
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-#define IOP_PUSHBUF(ip) (*(ip)->li_ops->iop_pushbuf)(ip)
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-#define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn)
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-
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-/*
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- * Return values for the IOP_TRYLOCK() 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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-#define XFS_ITEM_PUSHBUF 4
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-
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-#endif /* __KERNEL__ */
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-
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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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@@ -176,7 +108,7 @@ typedef struct xfs_item_ops {
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* once we get to commit processing (see xfs_trans_commit()).
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*/
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typedef struct xfs_log_item_desc {
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- xfs_log_item_t *lid_item;
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+ struct xfs_log_item *lid_item;
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ushort lid_size;
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unsigned char lid_flags;
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unsigned char lid_index;
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@@ -276,94 +208,6 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp)
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(xfs_caddr_t)(((xfs_log_item_chunk_t*)0)->lic_descs));
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}
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-#ifdef __KERNEL__
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-/*
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- * This structure is used to maintain a list of block ranges that have been
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- * freed in the transaction. The ranges are listed in the perag[] busy list
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- * between when they're freed and the transaction is committed to disk.
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- */
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-
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-typedef struct xfs_log_busy_slot {
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- xfs_agnumber_t lbc_ag;
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- ushort lbc_idx; /* index in perag.busy[] */
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-} xfs_log_busy_slot_t;
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-
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-#define XFS_LBC_NUM_SLOTS 31
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-typedef struct xfs_log_busy_chunk {
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- struct xfs_log_busy_chunk *lbc_next;
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- uint lbc_free; /* free slots bitmask */
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- ushort lbc_unused; /* first unused */
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- xfs_log_busy_slot_t lbc_busy[XFS_LBC_NUM_SLOTS];
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-} xfs_log_busy_chunk_t;
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-
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-#define XFS_LBC_MAX_SLOT (XFS_LBC_NUM_SLOTS - 1)
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-#define XFS_LBC_FREEMASK ((1U << XFS_LBC_NUM_SLOTS) - 1)
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-
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-#define XFS_LBC_INIT(cp) ((cp)->lbc_free = XFS_LBC_FREEMASK)
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-#define XFS_LBC_CLAIM(cp, slot) ((cp)->lbc_free &= ~(1 << (slot)))
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-#define XFS_LBC_SLOT(cp, slot) (&((cp)->lbc_busy[(slot)]))
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-#define XFS_LBC_VACANCY(cp) (((cp)->lbc_free) & XFS_LBC_FREEMASK)
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-#define XFS_LBC_ISFREE(cp, slot) ((cp)->lbc_free & (1 << (slot)))
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-
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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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-/*
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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 */
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- 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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- xfs_log_ticket_t t_ticket; /* log mgr ticket */
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- xfs_lsn_t t_lsn; /* log seq num of start of
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- * transaction. */
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- xfs_lsn_t t_commit_lsn; /* log seq num of end of
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- * transaction. */
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- struct xfs_mount *t_mountp; /* ptr to fs mount struct */
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- struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */
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- xfs_trans_callback_t t_callback; /* transaction callback */
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- void *t_callarg; /* callback arg */
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- unsigned int t_flags; /* misc flags */
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- int64_t t_icount_delta; /* superblock icount change */
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- int64_t t_ifree_delta; /* superblock ifree change */
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- 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*/
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- int64_t t_res_frextents_delta; /* on-disk only chg */
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-#ifdef DEBUG
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- int64_t t_ag_freeblks_delta; /* debugging counter */
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- int64_t t_ag_flist_delta; /* debugging counter */
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- int64_t t_ag_btree_delta; /* debugging counter */
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-#endif
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- int64_t t_dblocks_delta;/* superblock dblocks change */
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- int64_t t_agcount_delta;/* superblock agcount change */
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- int64_t t_imaxpct_delta;/* superblock imaxpct change */
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- int64_t t_rextsize_delta;/* superblock rextsize chg */
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- int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */
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- int64_t t_rblocks_delta;/* superblock rblocks change */
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- int64_t t_rextents_delta;/* superblocks rextents chg */
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- int64_t t_rextslog_delta;/* superblocks rextslog chg */
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- unsigned int t_items_free; /* log item descs free */
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- xfs_log_item_chunk_t t_items; /* first log item desc chunk */
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- xfs_trans_header_t t_header; /* header for in-log trans */
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- unsigned int t_busy_free; /* busy descs free */
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- xfs_log_busy_chunk_t t_busy; /* busy/async free blocks */
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- unsigned long t_pflags; /* saved process flags state */
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-} xfs_trans_t;
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-
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-#endif /* __KERNEL__ */
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-
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-
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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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@@ -906,6 +750,156 @@ typedef struct xfs_trans {
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#define XFS_DQUOT_REF 1
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#ifdef __KERNEL__
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+
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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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+
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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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+ 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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+ struct xfs_item_ops *li_ops; /* function list */
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+} xfs_log_item_t;
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+
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+#define XFS_LI_IN_AIL 0x1
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+#define XFS_LI_ABORTED 0x2
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+
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+typedef 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);
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+ void (*iop_unpin_remove)(xfs_log_item_t *, struct xfs_trans *);
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+ uint (*iop_trylock)(xfs_log_item_t *);
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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_push)(xfs_log_item_t *);
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+ void (*iop_pushbuf)(xfs_log_item_t *);
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+ void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
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+} xfs_item_ops_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, flags) (*(ip)->li_ops->iop_unpin)(ip, flags)
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+#define IOP_UNPIN_REMOVE(ip,tp) (*(ip)->li_ops->iop_unpin_remove)(ip, tp)
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+#define IOP_TRYLOCK(ip) (*(ip)->li_ops->iop_trylock)(ip)
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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_PUSH(ip) (*(ip)->li_ops->iop_push)(ip)
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+#define IOP_PUSHBUF(ip) (*(ip)->li_ops->iop_pushbuf)(ip)
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+#define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn)
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+
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+/*
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+ * Return values for the IOP_TRYLOCK() 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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+#define XFS_ITEM_PUSHBUF 4
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+
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+/*
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+ * This structure is used to maintain a list of block ranges that have been
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+ * freed in the transaction. The ranges are listed in the perag[] busy list
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+ * between when they're freed and the transaction is committed to disk.
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+ */
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+
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+typedef struct xfs_log_busy_slot {
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+ xfs_agnumber_t lbc_ag;
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+ ushort lbc_idx; /* index in perag.busy[] */
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+} xfs_log_busy_slot_t;
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+
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+#define XFS_LBC_NUM_SLOTS 31
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+typedef struct xfs_log_busy_chunk {
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+ struct xfs_log_busy_chunk *lbc_next;
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+ uint lbc_free; /* free slots bitmask */
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+ ushort lbc_unused; /* first unused */
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+ xfs_log_busy_slot_t lbc_busy[XFS_LBC_NUM_SLOTS];
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+} xfs_log_busy_chunk_t;
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+
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+#define XFS_LBC_MAX_SLOT (XFS_LBC_NUM_SLOTS - 1)
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+#define XFS_LBC_FREEMASK ((1U << XFS_LBC_NUM_SLOTS) - 1)
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+
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+#define XFS_LBC_INIT(cp) ((cp)->lbc_free = XFS_LBC_FREEMASK)
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+#define XFS_LBC_CLAIM(cp, slot) ((cp)->lbc_free &= ~(1 << (slot)))
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+#define XFS_LBC_SLOT(cp, slot) (&((cp)->lbc_busy[(slot)]))
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+#define XFS_LBC_VACANCY(cp) (((cp)->lbc_free) & XFS_LBC_FREEMASK)
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+#define XFS_LBC_ISFREE(cp, slot) ((cp)->lbc_free & (1 << (slot)))
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+
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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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+/*
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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 */
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+ 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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+ xfs_log_ticket_t t_ticket; /* log mgr ticket */
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+ xfs_lsn_t t_lsn; /* log seq num of start of
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+ * transaction. */
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+ xfs_lsn_t t_commit_lsn; /* log seq num of end of
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+ * transaction. */
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+ struct xfs_mount *t_mountp; /* ptr to fs mount struct */
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+ struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */
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+ xfs_trans_callback_t t_callback; /* transaction callback */
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+ void *t_callarg; /* callback arg */
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+ unsigned int t_flags; /* misc flags */
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+ int64_t t_icount_delta; /* superblock icount change */
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+ int64_t t_ifree_delta; /* superblock ifree change */
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+ 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*/
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+ int64_t t_res_frextents_delta; /* on-disk only chg */
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+#ifdef DEBUG
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+ int64_t t_ag_freeblks_delta; /* debugging counter */
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+ int64_t t_ag_flist_delta; /* debugging counter */
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+ int64_t t_ag_btree_delta; /* debugging counter */
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+#endif
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+ int64_t t_dblocks_delta;/* superblock dblocks change */
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+ int64_t t_agcount_delta;/* superblock agcount change */
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+ int64_t t_imaxpct_delta;/* superblock imaxpct change */
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+ int64_t t_rextsize_delta;/* superblock rextsize chg */
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+ int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */
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+ int64_t t_rblocks_delta;/* superblock rblocks change */
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+ int64_t t_rextents_delta;/* superblocks rextents chg */
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+ int64_t t_rextslog_delta;/* superblocks rextslog chg */
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+ unsigned int t_items_free; /* log item descs free */
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+ xfs_log_item_chunk_t t_items; /* first log item desc chunk */
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+ xfs_trans_header_t t_header; /* header for in-log trans */
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+ unsigned int t_busy_free; /* busy descs free */
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+ xfs_log_busy_chunk_t t_busy; /* busy/async free blocks */
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+ unsigned long t_pflags; /* saved process flags state */
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+} xfs_trans_t;
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+
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/*
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* XFS transaction mechanism exported interfaces that are
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* actually macros.
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@@ -928,7 +922,6 @@ typedef struct xfs_trans {
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/*
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* XFS transaction mechanism exported interfaces.
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*/
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-void xfs_trans_init(struct xfs_mount *);
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xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint);
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xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint);
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xfs_trans_t *xfs_trans_dup(xfs_trans_t *);
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@@ -975,7 +968,6 @@ int _xfs_trans_commit(xfs_trans_t *,
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int *);
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#define xfs_trans_commit(tp, flags) _xfs_trans_commit(tp, flags, NULL)
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void xfs_trans_cancel(xfs_trans_t *, int);
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-int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
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int xfs_trans_ail_init(struct xfs_mount *);
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void xfs_trans_ail_destroy(struct xfs_mount *);
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void xfs_trans_push_ail(struct xfs_mount *, xfs_lsn_t);
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@@ -990,4 +982,7 @@ extern kmem_zone_t *xfs_trans_zone;
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#endif /* __KERNEL__ */
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+void xfs_trans_init(struct xfs_mount *);
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+int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
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+
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#endif /* __XFS_TRANS_H__ */
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Barry Naujok