projects / thirdparty / xfsprogs-dev.git / blame
| Commit | Line | Data |
|---|---|---|
| 959ef981 | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 360f4a2e ES |
2 | /* |
| 3 | * Copyright (c) 2015 Red Hat, Inc. | |
| 4 | * All Rights Reserved. | |
| 360f4a2e ES |
5 | */ |
| 6 | ||
| 7 | #ifndef _XR_DA_UTIL_H | |
| 8 | #define _XR_DA_UTIL_H | |
| 9 | ||
| 10 | struct da_level_state { | |
| 167137fe | 11 | struct xfs_buf *bp; /* block bp */ |
| 360f4a2e ES |
12 | xfs_dablk_t bno; /* file block number */ |
| 13 | xfs_dahash_t hashval; /* last verified hashval */ | |
| 14 | int index; /* current index in block */ | |
| 15 | int dirty; /* is buffer dirty ? (1 == yes) */ | |
| 16 | }; | |
| 17 | ||
| 18 | typedef struct da_bt_cursor { | |
| 19 | int active; /* highest level in tree (# levels-1) */ | |
| 20 | xfs_ino_t ino; | |
| 21 | xfs_dablk_t greatest_bno; | |
| 7328ea6e | 22 | struct xfs_dinode *dip; |
| 360f4a2e ES |
23 | struct da_level_state level[XFS_DA_NODE_MAXDEPTH]; |
| 24 | struct blkmap *blkmap; | |
| 25 | } da_bt_cursor_t; | |
| 26 | ||
| 360f4a2e ES |
27 | struct xfs_buf * |
| 28 | da_read_buf( | |
| 29 | xfs_mount_t *mp, | |
| 30 | int nex, | |
| 31 | bmap_ext_t *bmp, | |
| 32 | const struct xfs_buf_ops *ops); | |
| 33 | ||
| 34 | void | |
| 35 | release_da_cursor( | |
| 36 | xfs_mount_t *mp, | |
| 37 | da_bt_cursor_t *cursor, | |
| 38 | int prev_level); | |
| 39 | ||
| 40 | void | |
| 41 | err_release_da_cursor( | |
| 42 | xfs_mount_t *mp, | |
| 43 | da_bt_cursor_t *cursor, | |
| 44 | int prev_level); | |
| 45 | ||
| 46 | int | |
| 47 | traverse_int_dablock( | |
| 48 | xfs_mount_t *mp, | |
| 49 | da_bt_cursor_t *da_cursor, | |
| 50 | xfs_dablk_t *rbno, | |
| 51 | int whichfork); | |
| 52 | ||
| 53 | int | |
| 54 | verify_da_path( | |
| 55 | xfs_mount_t *mp, | |
| 56 | da_bt_cursor_t *cursor, | |
| 57 | const int p_level, | |
| 58 | int whichfork); | |
| 59 | ||
| 60 | int | |
| 61 | verify_final_da_path( | |
| 62 | xfs_mount_t *mp, | |
| 63 | da_bt_cursor_t *cursor, | |
| 5cd3b070 ES |
64 | const int p_level, |
| 65 | int whichfork); | |
| 360f4a2e | 66 | #endif /* _XR_DA_UTIL_H */ |