4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * included in the COPYING file that accompanied this code.
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23 * Copyright (c) 2012, 2013, Intel Corporation.
26 * lustre/include/lustre/lustre_lfsck_user.h
28 * Lustre LFSCK userspace interfaces.
30 * Author: Fan, Yong <fan.yong@intel.com>
33 #ifndef _LUSTRE_LFSCK_USER_H
34 # define _LUSTRE_LFSCK_USER_H
36 enum lfsck_param_flags {
37 /* Reset LFSCK iterator position to the device beginning. */
43 /* Dryrun mode, only check without modification */
46 /* LFSCK runs on all targets. */
49 /* Broadcast the command to other MDTs. Only valid on the sponsor MDT */
50 LPF_BROADCAST = 0x0010,
52 /* Handle orphan objects. */
57 /* For MDT-OST consistency check/repair. */
60 /* For MDT-MDT consistency check/repair. */
63 /* For FID-in-dirent and linkEA consistency check/repair. */
64 LT_NAMESPACE = 0x0004,
67 #define LFSCK_VERSION_V1 1
68 #define LFSCK_VERSION_V2 2
70 #define LFSCK_TYPES_ALL ((__u16)(~0))
71 #define LFSCK_TYPES_DEF ((__u16)0)
72 #define LFSCK_TYPES_SUPPORTED (LT_LAYOUT | LT_NAMESPACE)
74 #define LFSCK_SPEED_NO_LIMIT 0
75 #define LFSCK_SPEED_LIMIT_DEF LFSCK_SPEED_NO_LIMIT
76 #define LFSCK_ASYNC_WIN_DEFAULT 1024
77 #define LFSCK_ASYNC_WIN_MAX ((__u16)(~0))
79 enum lfsck_start_valid {
80 LSV_SPEED_LIMIT = 0x00000001,
81 LSV_ERROR_HANDLE = 0x00000002,
82 LSV_DRYRUN = 0x00000004,
83 LSV_ASYNC_WINDOWS = 0x00000008,
86 /* Arguments for starting lfsck. */
88 /* Which arguments are valid, see 'enum lfsck_start_valid'. */
91 /* How many items can be scanned at most per second. */
94 /* For compatibility between user space tools and kernel service. */
97 /* Which LFSCK components to be (have been) started. */
100 /* Flags for the LFSCK, see 'enum lfsck_param_flags'. */
103 /* The windows size for async requests pipeline. */
104 __u16 ls_async_windows;
110 __u16 ls_padding_1; /* For 64-bits aligned. */
114 #endif /* _LUSTRE_LFSCK_USER_H */