projects / thirdparty / xfsprogs-dev.git / blame
| Commit | Line | Data |
|---|---|---|
| 37b3b4d6 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| a18e1f79 DW |
2 | /* |
| 3 | * Copyright (C) 2016 Oracle. All Rights Reserved. | |
| a18e1f79 | 4 | * Author: Darrick J. Wong <darrick.wong@oracle.com> |
| a18e1f79 DW |
5 | */ |
| 6 | #ifndef __XFS_DEFER_H__ | |
| 7 | #define __XFS_DEFER_H__ | |
| 8 | ||
| 9 | struct xfs_defer_op_type; | |
| 10 | ||
| 11 | /* | |
| 12 | * Save a log intent item and a list of extents, so that we can replay | |
| 13 | * whatever action had to happen to the extent list and file the log done | |
| 14 | * item. | |
| 15 | */ | |
| 16 | struct xfs_defer_pending { | |
| 17 | const struct xfs_defer_op_type *dfp_type; /* function pointers */ | |
| 18 | struct list_head dfp_list; /* pending items */ | |
| a18e1f79 | 19 | void *dfp_intent; /* log intent item */ |
| 11d87237 | 20 | void *dfp_done; /* log done item */ |
| a18e1f79 DW |
21 | struct list_head dfp_work; /* work items */ |
| 22 | unsigned int dfp_count; /* # extent items */ | |
| 23 | }; | |
| 24 | ||
| 25 | /* | |
| 26 | * Header for deferred operation list. | |
| a18e1f79 DW |
27 | */ |
| 28 | enum xfs_defer_ops_type { | |
| aeb88300 | 29 | XFS_DEFER_OPS_TYPE_BMAP, |
| 23a15a6c | 30 | XFS_DEFER_OPS_TYPE_REFCOUNT, |
| 589b52d6 | 31 | XFS_DEFER_OPS_TYPE_RMAP, |
| 31a6b02a | 32 | XFS_DEFER_OPS_TYPE_FREE, |
| d5c1b462 | 33 | XFS_DEFER_OPS_TYPE_AGFL_FREE, |
| a18e1f79 DW |
34 | XFS_DEFER_OPS_TYPE_MAX, |
| 35 | }; | |
| 36 | ||
| 21375e5d | 37 | void xfs_defer_add(struct xfs_trans *tp, enum xfs_defer_ops_type type, |
| a18e1f79 | 38 | struct list_head *h); |
| ca7e896f | 39 | int xfs_defer_finish_noroll(struct xfs_trans **tp); |
| ac0a2228 | 40 | int xfs_defer_finish(struct xfs_trans **tp); |
| 22913550 | 41 | void xfs_defer_cancel(struct xfs_trans *); |
| 76a3c33d | 42 | void xfs_defer_move(struct xfs_trans *dtp, struct xfs_trans *stp); |
| a18e1f79 DW |
43 | |
| 44 | /* Description of a deferred type. */ | |
| 45 | struct xfs_defer_op_type { | |
| 46 | enum xfs_defer_ops_type type; | |
| 47 | unsigned int max_items; | |
| 48 | void (*abort_intent)(void *); | |
| 49 | void *(*create_done)(struct xfs_trans *, void *, unsigned int); | |
| 7b3ab230 BF |
50 | int (*finish_item)(struct xfs_trans *, struct list_head *, void *, |
| 51 | void **); | |
| a18e1f79 DW |
52 | void (*finish_cleanup)(struct xfs_trans *, void *, int); |
| 53 | void (*cancel_item)(struct list_head *); | |
| 54 | int (*diff_items)(void *, struct list_head *, struct list_head *); | |
| 55 | void *(*create_intent)(struct xfs_trans *, uint); | |
| 56 | void (*log_item)(struct xfs_trans *, void *, struct list_head *); | |
| 57 | }; | |
| 58 | ||
| 59 | void xfs_defer_init_op_type(const struct xfs_defer_op_type *type); | |
| 60 | ||
| 61 | #endif /* __XFS_DEFER_H__ */ |