fs/xfs/xfs_trans.h

1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
34 	xfs_lsn_t			li_lsn;		/* last on-disk lsn */
71 	void (*iop_size)(struct xfs_log_item *, int *, int *);
74 	void (*iop_unpin)(struct xfs_log_item *, int remove);
76 	int (*iop_precommit)(struct xfs_trans *tp, struct xfs_log_item *lip);
99 	return lip->li_ops->flags & XFS_ITEM_INTENT;  in xlog_item_is_intent()
105 	return lip->li_ops->flags & XFS_ITEM_INTENT_DONE;  in xlog_item_is_intent_done()
109 			  int type, const struct xfs_item_ops *ops);
123 	unsigned int		t_magic;	/* magic number */
124 	unsigned int		t_log_res;	/* amt of log space resvd */
125 	unsigned int		t_log_count;	/* count for perm log res */
126 	unsigned int		t_blk_res;	/* # of blocks resvd */
127 	unsigned int		t_blk_res_used;	/* # of resvd blocks used */
128 	unsigned int		t_rtx_res;	/* # of rt extents resvd */
129 	unsigned int		t_rtx_res_used;	/* # of resvd rt extents used */
130 	unsigned int		t_flags;	/* misc flags */
137 	int64_t			t_fdblocks_delta; /* superblock fdblocks chg */
138 	int64_t			t_res_fdblocks_delta; /* on-disk only chg */
139 	int64_t			t_frextents_delta;/* superblock freextents chg*/
140 	int64_t			t_res_frextents_delta; /* on-disk only chg */
144 	int64_t			t_rextsize_delta;/* superblock rextsize chg */
145 	int64_t			t_rbmblocks_delta;/* superblock rbmblocks chg */
147 	int64_t			t_rextents_delta;/* superblocks rextents chg */
148 	int64_t			t_rextslog_delta;/* superblocks rextslog chg */
159 #define	xfs_trans_set_sync(tp)		((tp)->t_flags |= XFS_TRANS_SYNC)
164 int		xfs_trans_alloc(struct xfs_mount *mp, struct xfs_trans_res *resp,
167 int		xfs_trans_reserve_more(struct xfs_trans *tp,
168 			unsigned int blocks, unsigned int rtextents);
169 int		xfs_trans_alloc_empty(struct xfs_mount *mp,
173 int xfs_trans_get_buf_map(struct xfs_trans *tp, struct xfs_buftarg *target,
174 		struct xfs_buf_map *map, int nmaps, xfs_buf_flags_t flags,
177 static inline int
182 	int			numblks,  in xfs_trans_get_buf()
190 int		xfs_trans_read_buf_map(struct xfs_mount *mp,
193 				       struct xfs_buf_map *map, int nmaps,
198 static inline int
204 	int			numblks,  in xfs_trans_read_buf()
226 void		xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int);
234 int		xfs_trans_commit(struct xfs_trans *);
235 int		xfs_trans_roll(struct xfs_trans **);
236 int		xfs_trans_roll_inode(struct xfs_trans **, struct xfs_inode *);
238 int		xfs_trans_ail_init(struct xfs_mount *);
250 int xfs_trans_alloc_inode(struct xfs_inode *ip, struct xfs_trans_res *resv,
251 		unsigned int dblocks, unsigned int rblocks, bool force,
253 int xfs_trans_reserve_more_inode(struct xfs_trans *tp, struct xfs_inode *ip,
254 		unsigned int dblocks, unsigned int rblocks, bool force_quota);
255 int xfs_trans_alloc_icreate(struct xfs_mount *mp, struct xfs_trans_res *resv,
257 		struct xfs_dquot *pdqp, unsigned int dblocks,
259 int xfs_trans_alloc_ichange(struct xfs_inode *ip, struct xfs_dquot *udqp,
262 int xfs_trans_alloc_dir(struct xfs_inode *dp, struct xfs_trans_res *resv,
263 		struct xfs_inode *ip, unsigned int *dblocks,
264 		struct xfs_trans **tpp, int *nospace_error);
270 	ASSERT(current->journal_info == NULL);  in xfs_trans_set_context()
271 	tp->t_pflags = memalloc_nofs_save();  in xfs_trans_set_context()
272 	current->journal_info = tp;  in xfs_trans_set_context()
279 	if (current->journal_info == tp) {  in xfs_trans_clear_context()
280 		memalloc_nofs_restore(tp->t_pflags);  in xfs_trans_clear_context()
281 		current->journal_info = NULL;  in xfs_trans_clear_context()
290 	ASSERT(current->journal_info == old_tp);  in xfs_trans_switch_context()
291 	new_tp->t_pflags = old_tp->t_pflags;  in xfs_trans_switch_context()
292 	old_tp->t_pflags = 0;  in xfs_trans_switch_context()
293 	current->journal_info = new_tp;  in xfs_trans_switch_context()