Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #ifndef	__XFS_TRANS_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #define	__XFS_TRANS_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) /* kernel only transaction subsystem defines */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) struct xfs_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) struct xfs_buftarg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) struct xfs_efd_log_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) struct xfs_efi_log_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) struct xfs_inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) struct xfs_item_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) struct xfs_log_iovec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) struct xfs_mount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) struct xfs_trans;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) struct xfs_trans_res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) struct xfs_dquot_acct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) struct xfs_rud_log_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) struct xfs_rui_log_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) struct xfs_btree_cur;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) struct xfs_cui_log_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) struct xfs_cud_log_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) struct xfs_bui_log_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) struct xfs_bud_log_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) struct xfs_log_item {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	struct list_head		li_ail;		/* AIL pointers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	struct list_head		li_trans;	/* transaction list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	xfs_lsn_t			li_lsn;		/* last on-disk lsn */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	struct xfs_mount		*li_mountp;	/* ptr to fs mount */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	struct xfs_ail			*li_ailp;	/* ptr to AIL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	uint				li_type;	/* item type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	unsigned long			li_flags;	/* misc flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	struct xfs_buf			*li_buf;	/* real buffer pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	struct list_head		li_bio_list;	/* buffer item list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	const struct xfs_item_ops	*li_ops;	/* function list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	/* delayed logging */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	struct list_head		li_cil;		/* CIL pointers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	struct xfs_log_vec		*li_lv;		/* active log vector */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	struct xfs_log_vec		*li_lv_shadow;	/* standby vector */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	xfs_lsn_t			li_seq;		/* CIL commit seq */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50)  * li_flags use the (set/test/clear)_bit atomic interfaces because updates can
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51)  * race with each other and we don't want to have to use the AIL lock to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52)  * serialise all updates.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) #define	XFS_LI_IN_AIL	0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) #define	XFS_LI_ABORTED	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) #define	XFS_LI_FAILED	2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) #define	XFS_LI_DIRTY	3	/* log item dirty in transaction */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) #define XFS_LI_FLAGS \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	{ (1 << XFS_LI_IN_AIL),		"IN_AIL" }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	{ (1 << XFS_LI_ABORTED),	"ABORTED" }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	{ (1 << XFS_LI_FAILED),		"FAILED" }, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	{ (1 << XFS_LI_DIRTY),		"DIRTY" }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) struct xfs_item_ops {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	unsigned flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	void (*iop_size)(struct xfs_log_item *, int *, int *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	void (*iop_format)(struct xfs_log_item *, struct xfs_log_vec *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	void (*iop_pin)(struct xfs_log_item *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	void (*iop_unpin)(struct xfs_log_item *, int remove);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	uint (*iop_push)(struct xfs_log_item *, struct list_head *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	void (*iop_committing)(struct xfs_log_item *, xfs_lsn_t commit_lsn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	void (*iop_release)(struct xfs_log_item *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	xfs_lsn_t (*iop_committed)(struct xfs_log_item *, xfs_lsn_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	int (*iop_recover)(struct xfs_log_item *lip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 			   struct list_head *capture_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	bool (*iop_match)(struct xfs_log_item *item, uint64_t id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	struct xfs_log_item *(*iop_relog)(struct xfs_log_item *intent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 			struct xfs_trans *tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) /* Is this log item a deferred action intent? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) static inline bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) xlog_item_is_intent(struct xfs_log_item *lip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	return lip->li_ops->iop_recover != NULL &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	       lip->li_ops->iop_match != NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) /* Is this a log intent-done item? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) static inline bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) xlog_item_is_intent_done(struct xfs_log_item *lip)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	return lip->li_ops->iop_unpin == NULL &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	       lip->li_ops->iop_push == NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99)  * Release the log item as soon as committed.  This is for items just logging
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)  * intents that never need to be written back in place.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #define XFS_ITEM_RELEASE_WHEN_COMMITTED	(1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) void	xfs_log_item_init(struct xfs_mount *mp, struct xfs_log_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 			  int type, const struct xfs_item_ops *ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)  * Return values for the iop_push() routines.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) #define XFS_ITEM_SUCCESS	0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) #define XFS_ITEM_PINNED		1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #define XFS_ITEM_LOCKED		2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) #define XFS_ITEM_FLUSHING	3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)  * Deferred operation item relogging limits.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) #define XFS_DEFER_OPS_NR_INODES	2	/* join up to two inodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) #define XFS_DEFER_OPS_NR_BUFS	2	/* join up to two buffers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)  * This is the structure maintained for every active transaction.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) typedef struct xfs_trans {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	unsigned int		t_magic;	/* magic number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	unsigned int		t_log_res;	/* amt of log space resvd */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	unsigned int		t_log_count;	/* count for perm log res */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	unsigned int		t_blk_res;	/* # of blocks resvd */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	unsigned int		t_blk_res_used;	/* # of resvd blocks used */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	unsigned int		t_rtx_res;	/* # of rt extents resvd */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	unsigned int		t_rtx_res_used;	/* # of resvd rt extents used */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	unsigned int		t_flags;	/* misc flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	xfs_fsblock_t		t_firstblock;	/* first block allocated */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	struct xlog_ticket	*t_ticket;	/* log mgr ticket */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	struct xfs_mount	*t_mountp;	/* ptr to fs mount struct */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	struct xfs_dquot_acct   *t_dqinfo;	/* acctg info for dquots */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	int64_t			t_icount_delta;	/* superblock icount change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	int64_t			t_ifree_delta;	/* superblock ifree change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	int64_t			t_fdblocks_delta; /* superblock fdblocks chg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	int64_t			t_res_fdblocks_delta; /* on-disk only chg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	int64_t			t_frextents_delta;/* superblock freextents chg*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	int64_t			t_res_frextents_delta; /* on-disk only chg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) #if defined(DEBUG) || defined(XFS_WARN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	int64_t			t_ag_freeblks_delta; /* debugging counter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	int64_t			t_ag_flist_delta; /* debugging counter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	int64_t			t_ag_btree_delta; /* debugging counter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	int64_t			t_dblocks_delta;/* superblock dblocks change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	int64_t			t_agcount_delta;/* superblock agcount change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	int64_t			t_imaxpct_delta;/* superblock imaxpct change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	int64_t			t_rextsize_delta;/* superblock rextsize chg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	int64_t			t_rbmblocks_delta;/* superblock rbmblocks chg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	int64_t			t_rblocks_delta;/* superblock rblocks change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	int64_t			t_rextents_delta;/* superblocks rextents chg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	int64_t			t_rextslog_delta;/* superblocks rextslog chg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	struct list_head	t_items;	/* log item descriptors */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	struct list_head	t_busy;		/* list of busy extents */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	struct list_head	t_dfops;	/* deferred operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	unsigned long		t_pflags;	/* saved process flags state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) } xfs_trans_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)  * XFS transaction mechanism exported interfaces that are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)  * actually macros.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) #define	xfs_trans_set_sync(tp)		((tp)->t_flags |= XFS_TRANS_SYNC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) #if defined(DEBUG) || defined(XFS_WARN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) #define	xfs_trans_agblocks_delta(tp, d)	((tp)->t_ag_freeblks_delta += (int64_t)d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) #define	xfs_trans_agflist_delta(tp, d)	((tp)->t_ag_flist_delta += (int64_t)d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) #define	xfs_trans_agbtree_delta(tp, d)	((tp)->t_ag_btree_delta += (int64_t)d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) #define	xfs_trans_agblocks_delta(tp, d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) #define	xfs_trans_agflist_delta(tp, d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) #define	xfs_trans_agbtree_delta(tp, d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)  * XFS transaction mechanism exported interfaces.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) int		xfs_trans_alloc(struct xfs_mount *mp, struct xfs_trans_res *resp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 			uint blocks, uint rtextents, uint flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 			struct xfs_trans **tpp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) int		xfs_trans_alloc_empty(struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 			struct xfs_trans **tpp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) void		xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) int xfs_trans_get_buf_map(struct xfs_trans *tp, struct xfs_buftarg *target,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		struct xfs_buf_map *map, int nmaps, xfs_buf_flags_t flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		struct xfs_buf **bpp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) static inline int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) xfs_trans_get_buf(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	struct xfs_trans	*tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	struct xfs_buftarg	*target,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	xfs_daddr_t		blkno,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	int			numblks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	uint			flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	struct xfs_buf		**bpp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	return xfs_trans_get_buf_map(tp, target, &map, 1, flags, bpp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) int		xfs_trans_read_buf_map(struct xfs_mount *mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 				       struct xfs_trans *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 				       struct xfs_buftarg *target,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 				       struct xfs_buf_map *map, int nmaps,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 				       xfs_buf_flags_t flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 				       struct xfs_buf **bpp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 				       const struct xfs_buf_ops *ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) static inline int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) xfs_trans_read_buf(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	struct xfs_mount	*mp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	struct xfs_trans	*tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	struct xfs_buftarg	*target,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	xfs_daddr_t		blkno,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	int			numblks,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	xfs_buf_flags_t		flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	struct xfs_buf		**bpp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	const struct xfs_buf_ops *ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	return xfs_trans_read_buf_map(mp, tp, target, &map, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 				      flags, bpp, ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) struct xfs_buf	*xfs_trans_getsb(struct xfs_trans *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) void		xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) void		xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) void		xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) void		xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) void		xfs_trans_binval(xfs_trans_t *, struct xfs_buf *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) void		xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) void		xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) bool		xfs_trans_ordered_buf(xfs_trans_t *, struct xfs_buf *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) void		xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) void		xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) void		xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) void		xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) void		xfs_trans_log_buf(struct xfs_trans *, struct xfs_buf *, uint,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 				  uint);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) void		xfs_trans_dirty_buf(struct xfs_trans *, struct xfs_buf *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) bool		xfs_trans_buf_is_dirty(struct xfs_buf *bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) void		xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) int		xfs_trans_commit(struct xfs_trans *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) int		xfs_trans_roll(struct xfs_trans **);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) int		xfs_trans_roll_inode(struct xfs_trans **, struct xfs_inode *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) void		xfs_trans_cancel(xfs_trans_t *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) int		xfs_trans_ail_init(struct xfs_mount *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) void		xfs_trans_ail_destroy(struct xfs_mount *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) void		xfs_trans_buf_set_type(struct xfs_trans *, struct xfs_buf *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 				       enum xfs_blft);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) void		xfs_trans_buf_copy_type(struct xfs_buf *dst_bp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 					struct xfs_buf *src_bp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) extern kmem_zone_t	*xfs_trans_zone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) static inline struct xfs_log_item *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) xfs_trans_item_relog(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	struct xfs_log_item	*lip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	struct xfs_trans	*tp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	return lip->li_ops->iop_relog(lip, tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) #endif	/* __XFS_TRANS_H__ */