projects / thirdparty / xfsprogs-dev.git / blame
| Commit | Line | Data |
|---|---|---|
| 959ef981 | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2bd0ea18 | 2 | /* |
| da23017d NS |
3 | * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. |
| 4 | * All Rights Reserved. | |
| 2bd0ea18 NS |
5 | */ |
| 6 | ||
| 7 | struct typ; | |
| 8 | ||
| 9 | #define BBMAP_SIZE (XFS_MAX_BLOCKSIZE / BBSIZE) | |
| 10 | typedef struct bbmap { | |
| 48e32b40 DC |
11 | int nmaps; |
| 12 | struct xfs_buf_map b[BBMAP_SIZE]; | |
| 2bd0ea18 NS |
13 | } bbmap_t; |
| 14 | ||
| 15 | typedef struct iocur { | |
| 14f8b681 | 16 | int64_t bb; /* BB number in filesystem of buf */ |
| 2bd0ea18 NS |
17 | int blen; /* length of "buf", bb's */ |
| 18 | int boff; /* data - buf */ | |
| 19 | void *buf; /* base address of buffer */ | |
| 20 | void *data; /* current interesting data */ | |
| 21 | xfs_ino_t dirino; /* current directory inode number */ | |
| 22 | xfs_ino_t ino; /* current inode number */ | |
| 23 | int len; /* length of "data", bytes */ | |
| 14f8b681 | 24 | uint16_t mode; /* current inode's mode */ |
| 2bd0ea18 NS |
25 | xfs_off_t off; /* fs offset of "data" in bytes */ |
| 26 | const struct typ *typ; /* type of "data" */ | |
| 72298d16 DC |
27 | bbmap_t *bbmap; /* map daddr if fragmented */ |
| 28 | struct xfs_buf *bp; /* underlying buffer */ | |
| 6a40ccc6 ES |
29 | bool ino_crc_ok; |
| 30 | bool ino_buf; | |
| 31 | bool dquot_buf; | |
| 32 | bool need_crc; | |
| 2bd0ea18 NS |
33 | } iocur_t; |
| 34 | ||
| 35 | #define DB_RING_ADD 1 /* add to ring on set_cur */ | |
| 36 | #define DB_RING_IGN 0 /* do not add to ring on set_cur */ | |
| 37 | ||
| 38 | extern iocur_t *iocur_base; /* base of stack */ | |
| 39 | extern iocur_t *iocur_top; /* top element of stack */ | |
| 40 | extern int iocur_sp; /* current top of stack */ | |
| 41 | extern int iocur_len; /* length of stack array */ | |
| 42 | ||
| 43 | extern void io_init(void); | |
| 44 | extern void off_cur(int off, int len); | |
| 45 | extern void pop_cur(void); | |
| 46 | extern void print_iocur(char *tag, iocur_t *ioc); | |
| 47 | extern void push_cur(void); | |
| 3540b418 | 48 | extern void push_cur_and_set_type(void); |
| 5dd33a51 | 49 | extern void write_cur(void); |
| db23e0f4 BD |
50 | extern void set_cur(const struct typ *type, xfs_daddr_t blknum, |
| 51 | int len, int ring_add, bbmap_t *bbmap); | |
| 2bd0ea18 | 52 | extern void ring_add(void); |
| db23e0f4 | 53 | extern void set_iocur_type(const struct typ *type); |
| c9f5e3db | 54 | extern void xfs_dummy_verify(struct xfs_buf *bp); |
| 86769b32 | 55 | extern void xfs_verify_recalc_crc(struct xfs_buf *bp); |
| 0522f1cc | 56 | |
| b511ff41 DC |
57 | /* |
| 58 | * returns -1 for unchecked, 0 for bad and 1 for good | |
| 59 | */ | |
| 60 | static inline int | |
| e66e9ee7 | 61 | iocur_crc_valid(void) |
| 0522f1cc | 62 | { |
| b511ff41 DC |
63 | if (!iocur_top->bp) |
| 64 | return -1; | |
| 65 | if (iocur_top->bp->b_flags & LIBXFS_B_UNCHECKED) | |
| 66 | return -1; | |
| 66fc04e0 | 67 | return (iocur_top->bp->b_error != -EFSBADCRC && |
| a73b88f2 | 68 | (!iocur_top->ino_buf || iocur_top->ino_crc_ok)); |
| 0522f1cc | 69 | } |