1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2004-2005 Silicon Graphics, Inc.
11 #include "xfs_errortag.h"
13 static cmdinfo_t inject_cmd
;
22 { XFS_ERRTAG_NOERROR
, "noerror" },
23 { XFS_ERRTAG_IFLUSH_1
, "iflush1" },
24 { XFS_ERRTAG_IFLUSH_2
, "iflush2" },
25 { XFS_ERRTAG_IFLUSH_3
, "iflush3" },
26 { XFS_ERRTAG_IFLUSH_4
, "iflush4" },
27 { XFS_ERRTAG_IFLUSH_5
, "iflush5" },
28 { XFS_ERRTAG_IFLUSH_6
, "iflush6" },
29 { XFS_ERRTAG_DA_READ_BUF
, "dareadbuf" },
30 { XFS_ERRTAG_BTREE_CHECK_LBLOCK
, "btree_chk_lblk" },
31 { XFS_ERRTAG_BTREE_CHECK_SBLOCK
, "btree_chk_sblk" },
32 { XFS_ERRTAG_ALLOC_READ_AGF
, "readagf" },
33 { XFS_ERRTAG_IALLOC_READ_AGI
, "readagi" },
34 { XFS_ERRTAG_ITOBP_INOTOBP
, "itobp" },
35 { XFS_ERRTAG_IUNLINK
, "iunlink" },
36 { XFS_ERRTAG_IUNLINK_REMOVE
, "iunlinkrm" },
37 { XFS_ERRTAG_DIR_INO_VALIDATE
, "dirinovalid" },
38 { XFS_ERRTAG_BULKSTAT_READ_CHUNK
, "bulkstat" },
39 { XFS_ERRTAG_IODONE_IOERR
, "logiodone" },
40 { XFS_ERRTAG_STRATREAD_IOERR
, "stratread" },
41 { XFS_ERRTAG_STRATCMPL_IOERR
, "stratcmpl" },
42 { XFS_ERRTAG_DIOWRITE_IOERR
, "diowrite" },
43 { XFS_ERRTAG_BMAPIFORMAT
, "bmapifmt" },
44 { XFS_ERRTAG_FREE_EXTENT
, "free_extent" },
45 { XFS_ERRTAG_RMAP_FINISH_ONE
, "rmap_finish_one" },
46 { XFS_ERRTAG_REFCOUNT_CONTINUE_UPDATE
, "refcount_continue_update" },
47 { XFS_ERRTAG_REFCOUNT_FINISH_ONE
, "refcount_finish_one" },
48 { XFS_ERRTAG_BMAP_FINISH_ONE
, "bmap_finish_one" },
49 { XFS_ERRTAG_AG_RESV_CRITICAL
, "ag_resv_critical" },
50 { XFS_ERRTAG_DROP_WRITES
, "drop_writes" },
51 { XFS_ERRTAG_LOG_BAD_CRC
, "log_bad_crc" },
52 { XFS_ERRTAG_LOG_ITEM_PIN
, "log_item_pin" },
53 { XFS_ERRTAG_BUF_LRU_REF
, "buf_lru_ref" },
54 { XFS_ERRTAG_FORCE_SCRUB_REPAIR
, "force_repair" },
55 { XFS_ERRTAG_FORCE_SUMMARY_RECALC
, "bad_summary" },
56 { XFS_ERRTAG_MAX
, NULL
}
61 * If this fails make sure every tag is defined in the array above,
62 * see xfs_errortag_attrs in kernelspace.
64 BUILD_BUG_ON(sizeof(eflags
) != (XFS_ERRTAG_MAX
+ 1) * sizeof(*e
));
66 /* Search for a name */
68 for (e
= eflags
; e
->name
; e
++)
69 if (strcmp(name
, e
->name
) == 0)
74 /* Dump all the names */
75 fputs("tags: [ ", stdout
);
76 for (count
= 0, e
= eflags
; e
->name
; e
++, count
++) {
80 fputs("\n\t", stdout
);
82 fputs(e
->name
, stdout
);
84 fputs(" ]\n", stdout
);
93 " inject errors into the filesystem of the currently open file\n"
96 " 'inject readagf' - cause errors on allocation group freespace reads\n"
98 " Causes the kernel to generate and react to errors within XFS, provided\n"
99 " the XFS kernel code has been built with debugging features enabled.\n"
100 " With no arguments, displays the list of error injection tags.\n"
109 xfs_error_injection_t error
;
110 int command
= XFS_IOC_ERROR_INJECTION
;
113 return error_tag(NULL
);
117 if ((error
.errtag
= error_tag(argv
[argc
])) < 0) {
118 fprintf(stderr
, _("no such tag -- %s\n"), argv
[1]);
121 if (error
.errtag
== XFS_ERRTAG_NOERROR
)
122 command
= XFS_IOC_ERROR_CLEARALL
;
123 if ((xfsctl(file
->name
, file
->fd
, command
, &error
)) < 0) {
124 perror("XFS_IOC_ERROR_INJECTION");
134 inject_cmd
.name
= "inject";
135 inject_cmd
.cfunc
= inject_f
;
136 inject_cmd
.argmin
= 0;
137 inject_cmd
.argmax
= -1;
138 inject_cmd
.flags
= CMD_NOMAP_OK
| CMD_FLAG_ONESHOT
;
139 inject_cmd
.args
= _("[tag ...]");
140 inject_cmd
.oneline
= _("inject errors into a filesystem");
141 inject_cmd
.help
= inject_help
;
144 add_command(&inject_cmd
);